--- /dev/null
+--TEST--
+Test arsort() function : error conditions
+--FILE--
+<?php
+/* Prototype : bool arsort(array &array_arg [, int sort_flags])
+ * Description: Sort an array
+ * Source code: ext/standard/array.c
+*/
+
+/*
+* Testing arsort() function with all possible error conditions
+*/
+
+echo "*** Testing arsort() : error conditions ***\n";
+
+// Zero arguments
+echo "\n-- Testing arsort() function with Zero arguments --\n";
+var_dump( arsort() );
+
+//Test arsort with more than the expected number of arguments
+echo "\n-- Testing arsort() function with more than expected no. of arguments --\n";
+$array_arg = array(1, 2);
+$flags = array("SORT_REGULAR" => SORT_REGULAR, "SORT_STRING" => SORT_STRING, "SORT_NUMERIC" => SORT_NUMERIC);
+$extra_arg = 10;
+
+// loop through $flag_value array and setting all possible flag values
+foreach($flags as $key => $flag){
+ echo "\nSort flag = $key\n";
+ var_dump( arsort($array_arg,$flag, $extra_arg) );
+
+ // dump the input array to ensure that it wasn't changed
+ var_dump($array_arg);
+}
+
+echo "Done";
+?>
+--EXPECTF--
+*** Testing arsort() : error conditions ***
+
+-- Testing arsort() function with Zero arguments --
+
+Warning: arsort() expects at least 1 parameter, 0 given in %sarsort_error.php on line %d
+bool(false)
+
+-- Testing arsort() function with more than expected no. of arguments --
+
+Sort flag = SORT_REGULAR
+
+Warning: arsort() expects at most 2 parameters, 3 given in %sarsort_error.php on line %d
+bool(false)
+array(2) {
+ [0]=>
+ int(1)
+ [1]=>
+ int(2)
+}
+
+Sort flag = SORT_STRING
+
+Warning: arsort() expects at most 2 parameters, 3 given in %sarsort_error.php on line %d
+bool(false)
+array(2) {
+ [0]=>
+ int(1)
+ [1]=>
+ int(2)
+}
+
+Sort flag = SORT_NUMERIC
+
+Warning: arsort() expects at most 2 parameters, 3 given in %sarsort_error.php on line %d
+bool(false)
+array(2) {
+ [0]=>
+ int(1)
+ [1]=>
+ int(2)
+}
+Done
\ No newline at end of file
--- /dev/null
+--TEST--
+Test arsort() function : usage variations - unexpected values for 'array_arg' argument
+--FILE--
+<?php
+/* Prototype : bool arsort(array &array_arg [, int sort_flags])
+ * Description: Sort an array and maintain index association
+ Elements will be arranged from highest to lowest when this function has completed.
+ * Source code: ext/standard/array.c
+*/
+
+/*
+ * testing arsort() by providing different unexpected values for array argument with following flag values.
+ * 1. flag value as defualt
+ * 2. SORT_REGULAR - compare items normally
+ * 3. SORT_NUMERIC - compare items numerically
+ * 4. SORT_STRING - compare items as strings
+*/
+
+echo "*** Testing arsort() : usage variations ***\n";
+
+// get an unset variable
+$unset_var = 10;
+unset ($unset_var);
+
+// resource variable
+$fp = fopen(__FILE__, "r");
+
+//array of values with indices to iterate over
+$unexpected_values = array (
+
+ // int data
+ 0 => 0,
+ 1 => 1,
+ 2 => 12345,
+ 3 => -2345,
+
+ // float data
+ 4 => 10.5,
+ 5 => -10.5,
+ 6 => 10.5e3,
+ 7 => 10.6E-2,
+ 8 => .5,
+
+ // null data
+ 9 => NULL,
+ 10 => null,
+
+ // boolean data
+ 11 => true,
+ 12 => false,
+ 13 => TRUE,
+ 14 => FALSE,
+
+ // empty data
+ 15 => "",
+ 16 => '',
+
+ // string data
+ 17 => "string",
+ 18 => 'string',
+
+ // object data
+ 19 => new stdclass(),
+
+ // undefined data
+ 20 => @undefined_var,
+
+ // unset data
+ 21 => @unset_var,
+
+ // resource variable
+ 22 => $fp
+
+);
+
+// loop though each element of the array and check the working of arsort()
+// when $array arugment is supplied with different values from $unexpected_values
+echo "\n-- Testing arsort() by supplying different unexpected values for 'array' argument --\n";
+echo "\n-- Flag values are defualt, SORT_REGULAR, SORT_NUMERIC, SORT_STRING --\n";
+
+$counter = 1;
+for($index = 0; $index < count($unexpected_values); $index ++) {
+ echo "-- Iteration $counter --\n";
+ $value = $unexpected_values [$index];
+ var_dump( arsort($value) ); // expecting : bool(false)
+ var_dump( arsort($value, SORT_REGULAR) ); // expecting : bool(false)
+ var_dump( arsort($value, SORT_NUMERIC) ); // expecting : bool(false)
+ var_dump( arsort($value, SORT_STRING) ); // expecting : bool(false)
+ $counter++;
+}
+
+echo "Done";
+?>
+--EXPECTF--
+*** Testing arsort() : usage variations ***
+
+-- Testing arsort() by supplying different unexpected values for 'array' argument --
+
+-- Flag values are defualt, SORT_REGULAR, SORT_NUMERIC, SORT_STRING --
+-- Iteration 1 --
+
+Warning: arsort() expects parameter 1 to be array, integer given in %sarsort_variation1.php on line %d
+bool(false)
+
+Warning: arsort() expects parameter 1 to be array, integer given in %sarsort_variation1.php on line %d
+bool(false)
+
+Warning: arsort() expects parameter 1 to be array, integer given in %sarsort_variation1.php on line %d
+bool(false)
+
+Warning: arsort() expects parameter 1 to be array, integer given in %sarsort_variation1.php on line %d
+bool(false)
+-- Iteration 2 --
+
+Warning: arsort() expects parameter 1 to be array, integer given in %sarsort_variation1.php on line %d
+bool(false)
+
+Warning: arsort() expects parameter 1 to be array, integer given in %sarsort_variation1.php on line %d
+bool(false)
+
+Warning: arsort() expects parameter 1 to be array, integer given in %sarsort_variation1.php on line %d
+bool(false)
+
+Warning: arsort() expects parameter 1 to be array, integer given in %sarsort_variation1.php on line %d
+bool(false)
+-- Iteration 3 --
+
+Warning: arsort() expects parameter 1 to be array, integer given in %sarsort_variation1.php on line %d
+bool(false)
+
+Warning: arsort() expects parameter 1 to be array, integer given in %sarsort_variation1.php on line %d
+bool(false)
+
+Warning: arsort() expects parameter 1 to be array, integer given in %sarsort_variation1.php on line %d
+bool(false)
+
+Warning: arsort() expects parameter 1 to be array, integer given in %sarsort_variation1.php on line %d
+bool(false)
+-- Iteration 4 --
+
+Warning: arsort() expects parameter 1 to be array, integer given in %sarsort_variation1.php on line %d
+bool(false)
+
+Warning: arsort() expects parameter 1 to be array, integer given in %sarsort_variation1.php on line %d
+bool(false)
+
+Warning: arsort() expects parameter 1 to be array, integer given in %sarsort_variation1.php on line %d
+bool(false)
+
+Warning: arsort() expects parameter 1 to be array, integer given in %sarsort_variation1.php on line %d
+bool(false)
+-- Iteration 5 --
+
+Warning: arsort() expects parameter 1 to be array, double given in %sarsort_variation1.php on line %d
+bool(false)
+
+Warning: arsort() expects parameter 1 to be array, double given in %sarsort_variation1.php on line %d
+bool(false)
+
+Warning: arsort() expects parameter 1 to be array, double given in %sarsort_variation1.php on line %d
+bool(false)
+
+Warning: arsort() expects parameter 1 to be array, double given in %sarsort_variation1.php on line %d
+bool(false)
+-- Iteration 6 --
+
+Warning: arsort() expects parameter 1 to be array, double given in %sarsort_variation1.php on line %d
+bool(false)
+
+Warning: arsort() expects parameter 1 to be array, double given in %sarsort_variation1.php on line %d
+bool(false)
+
+Warning: arsort() expects parameter 1 to be array, double given in %sarsort_variation1.php on line %d
+bool(false)
+
+Warning: arsort() expects parameter 1 to be array, double given in %sarsort_variation1.php on line %d
+bool(false)
+-- Iteration 7 --
+
+Warning: arsort() expects parameter 1 to be array, double given in %sarsort_variation1.php on line %d
+bool(false)
+
+Warning: arsort() expects parameter 1 to be array, double given in %sarsort_variation1.php on line %d
+bool(false)
+
+Warning: arsort() expects parameter 1 to be array, double given in %sarsort_variation1.php on line %d
+bool(false)
+
+Warning: arsort() expects parameter 1 to be array, double given in %sarsort_variation1.php on line %d
+bool(false)
+-- Iteration 8 --
+
+Warning: arsort() expects parameter 1 to be array, double given in %sarsort_variation1.php on line %d
+bool(false)
+
+Warning: arsort() expects parameter 1 to be array, double given in %sarsort_variation1.php on line %d
+bool(false)
+
+Warning: arsort() expects parameter 1 to be array, double given in %sarsort_variation1.php on line %d
+bool(false)
+
+Warning: arsort() expects parameter 1 to be array, double given in %sarsort_variation1.php on line %d
+bool(false)
+-- Iteration 9 --
+
+Warning: arsort() expects parameter 1 to be array, double given in %sarsort_variation1.php on line %d
+bool(false)
+
+Warning: arsort() expects parameter 1 to be array, double given in %sarsort_variation1.php on line %d
+bool(false)
+
+Warning: arsort() expects parameter 1 to be array, double given in %sarsort_variation1.php on line %d
+bool(false)
+
+Warning: arsort() expects parameter 1 to be array, double given in %sarsort_variation1.php on line %d
+bool(false)
+-- Iteration 10 --
+
+Warning: arsort() expects parameter 1 to be array, null given in %sarsort_variation1.php on line %d
+bool(false)
+
+Warning: arsort() expects parameter 1 to be array, null given in %sarsort_variation1.php on line %d
+bool(false)
+
+Warning: arsort() expects parameter 1 to be array, null given in %sarsort_variation1.php on line %d
+bool(false)
+
+Warning: arsort() expects parameter 1 to be array, null given in %sarsort_variation1.php on line %d
+bool(false)
+-- Iteration 11 --
+
+Warning: arsort() expects parameter 1 to be array, null given in %sarsort_variation1.php on line %d
+bool(false)
+
+Warning: arsort() expects parameter 1 to be array, null given in %sarsort_variation1.php on line %d
+bool(false)
+
+Warning: arsort() expects parameter 1 to be array, null given in %sarsort_variation1.php on line %d
+bool(false)
+
+Warning: arsort() expects parameter 1 to be array, null given in %sarsort_variation1.php on line %d
+bool(false)
+-- Iteration 12 --
+
+Warning: arsort() expects parameter 1 to be array, boolean given in %sarsort_variation1.php on line %d
+bool(false)
+
+Warning: arsort() expects parameter 1 to be array, boolean given in %sarsort_variation1.php on line %d
+bool(false)
+
+Warning: arsort() expects parameter 1 to be array, boolean given in %sarsort_variation1.php on line %d
+bool(false)
+
+Warning: arsort() expects parameter 1 to be array, boolean given in %sarsort_variation1.php on line %d
+bool(false)
+-- Iteration 13 --
+
+Warning: arsort() expects parameter 1 to be array, boolean given in %sarsort_variation1.php on line %d
+bool(false)
+
+Warning: arsort() expects parameter 1 to be array, boolean given in %sarsort_variation1.php on line %d
+bool(false)
+
+Warning: arsort() expects parameter 1 to be array, boolean given in %sarsort_variation1.php on line %d
+bool(false)
+
+Warning: arsort() expects parameter 1 to be array, boolean given in %sarsort_variation1.php on line %d
+bool(false)
+-- Iteration 14 --
+
+Warning: arsort() expects parameter 1 to be array, boolean given in %sarsort_variation1.php on line %d
+bool(false)
+
+Warning: arsort() expects parameter 1 to be array, boolean given in %sarsort_variation1.php on line %d
+bool(false)
+
+Warning: arsort() expects parameter 1 to be array, boolean given in %sarsort_variation1.php on line %d
+bool(false)
+
+Warning: arsort() expects parameter 1 to be array, boolean given in %sarsort_variation1.php on line %d
+bool(false)
+-- Iteration 15 --
+
+Warning: arsort() expects parameter 1 to be array, boolean given in %sarsort_variation1.php on line %d
+bool(false)
+
+Warning: arsort() expects parameter 1 to be array, boolean given in %sarsort_variation1.php on line %d
+bool(false)
+
+Warning: arsort() expects parameter 1 to be array, boolean given in %sarsort_variation1.php on line %d
+bool(false)
+
+Warning: arsort() expects parameter 1 to be array, boolean given in %sarsort_variation1.php on line %d
+bool(false)
+-- Iteration 16 --
+
+Warning: arsort() expects parameter 1 to be array, string given in %sarsort_variation1.php on line %d
+bool(false)
+
+Warning: arsort() expects parameter 1 to be array, string given in %sarsort_variation1.php on line %d
+bool(false)
+
+Warning: arsort() expects parameter 1 to be array, string given in %sarsort_variation1.php on line %d
+bool(false)
+
+Warning: arsort() expects parameter 1 to be array, string given in %sarsort_variation1.php on line %d
+bool(false)
+-- Iteration 17 --
+
+Warning: arsort() expects parameter 1 to be array, string given in %sarsort_variation1.php on line %d
+bool(false)
+
+Warning: arsort() expects parameter 1 to be array, string given in %sarsort_variation1.php on line %d
+bool(false)
+
+Warning: arsort() expects parameter 1 to be array, string given in %sarsort_variation1.php on line %d
+bool(false)
+
+Warning: arsort() expects parameter 1 to be array, string given in %sarsort_variation1.php on line %d
+bool(false)
+-- Iteration 18 --
+
+Warning: arsort() expects parameter 1 to be array, string given in %sarsort_variation1.php on line %d
+bool(false)
+
+Warning: arsort() expects parameter 1 to be array, string given in %sarsort_variation1.php on line %d
+bool(false)
+
+Warning: arsort() expects parameter 1 to be array, string given in %sarsort_variation1.php on line %d
+bool(false)
+
+Warning: arsort() expects parameter 1 to be array, string given in %sarsort_variation1.php on line %d
+bool(false)
+-- Iteration 19 --
+
+Warning: arsort() expects parameter 1 to be array, string given in %sarsort_variation1.php on line %d
+bool(false)
+
+Warning: arsort() expects parameter 1 to be array, string given in %sarsort_variation1.php on line %d
+bool(false)
+
+Warning: arsort() expects parameter 1 to be array, string given in %sarsort_variation1.php on line %d
+bool(false)
+
+Warning: arsort() expects parameter 1 to be array, string given in %sarsort_variation1.php on line %d
+bool(false)
+-- Iteration 20 --
+
+Warning: arsort() expects parameter 1 to be array, object given in %sarsort_variation1.php on line %d
+bool(false)
+
+Warning: arsort() expects parameter 1 to be array, object given in %sarsort_variation1.php on line %d
+bool(false)
+
+Warning: arsort() expects parameter 1 to be array, object given in %sarsort_variation1.php on line %d
+bool(false)
+
+Warning: arsort() expects parameter 1 to be array, object given in %sarsort_variation1.php on line %d
+bool(false)
+-- Iteration 21 --
+
+Warning: arsort() expects parameter 1 to be array, string given in %sarsort_variation1.php on line %d
+bool(false)
+
+Warning: arsort() expects parameter 1 to be array, string given in %sarsort_variation1.php on line %d
+bool(false)
+
+Warning: arsort() expects parameter 1 to be array, string given in %sarsort_variation1.php on line %d
+bool(false)
+
+Warning: arsort() expects parameter 1 to be array, string given in %sarsort_variation1.php on line %d
+bool(false)
+-- Iteration 22 --
+
+Warning: arsort() expects parameter 1 to be array, string given in %sarsort_variation1.php on line %d
+bool(false)
+
+Warning: arsort() expects parameter 1 to be array, string given in %sarsort_variation1.php on line %d
+bool(false)
+
+Warning: arsort() expects parameter 1 to be array, string given in %sarsort_variation1.php on line %d
+bool(false)
+
+Warning: arsort() expects parameter 1 to be array, string given in %sarsort_variation1.php on line %d
+bool(false)
+-- Iteration 23 --
+
+Warning: arsort() expects parameter 1 to be array, resource given in %sarsort_variation1.php on line %d
+bool(false)
+
+Warning: arsort() expects parameter 1 to be array, resource given in %sarsort_variation1.php on line %d
+bool(false)
+
+Warning: arsort() expects parameter 1 to be array, resource given in %sarsort_variation1.php on line %d
+bool(false)
+
+Warning: arsort() expects parameter 1 to be array, resource given in %sarsort_variation1.php on line %d
+bool(false)
+Done
\ No newline at end of file
--- /dev/null
+--TEST--
+Test arsort() function : usage variations - sort octal values
+--FILE--
+<?php
+/* Prototype : bool arsort ( array &$array [, int $sort_flags] )
+ * Description: Sort an array and maintain index association.
+ Elements will be arranged from highest to lowest when this function has completed.
+ * Source code: ext/standard/array.c
+*/
+
+/*
+ * testing arsort() by providing different octal array for $array argument with following flag values
+ * 1.flag value as defualt
+ * 2.SORT_REGULAR - compare items normally
+ * 3.SORT_NUMERIC - compare items numerically
+*/
+
+echo "*** Testing arsort() : usage variations ***\n";
+
+// an array contains unsorted octal values
+$unsorted_oct_array = array (
+ 01235 => 01235, 0321 => 0321, 0345 => 0345, 066 => 066, 0772 => 0772,
+ 077 => 077, -066 => -066, -0345 => -0345, 0 => 0
+);
+
+echo "\n-- Testing arsort() by supplying octal value array, 'flag' value is defualt --\n";
+$temp_array = $unsorted_oct_array;
+var_dump( arsort($temp_array) ); // expecting : bool(true)
+var_dump($temp_array);
+
+echo "\n-- Testing arsort() by supplying octal value array, 'flag' value is SORT_REGULAR --\n";
+$temp_array = $unsorted_oct_array;
+var_dump( arsort($temp_array, SORT_REGULAR) ); // expecting : bool(true)
+var_dump($temp_array);
+
+echo "\n-- Testing arsort() by supplying octal value array, 'flag' value is SORT_NUMERIC --\n";
+$temp_array = $unsorted_oct_array;
+var_dump( arsort($temp_array, SORT_NUMERIC) ); // expecting : bool(true)
+var_dump($temp_array);
+
+echo "Done\n";
+?>
+--EXPECTF--
+*** Testing arsort() : usage variations ***
+
+-- Testing arsort() by supplying octal value array, 'flag' value is defualt --
+bool(true)
+array(9) {
+ [669]=>
+ int(669)
+ [506]=>
+ int(506)
+ [229]=>
+ int(229)
+ [209]=>
+ int(209)
+ [63]=>
+ int(63)
+ [54]=>
+ int(54)
+ [0]=>
+ int(0)
+ [-54]=>
+ int(-54)
+ [-229]=>
+ int(-229)
+}
+
+-- Testing arsort() by supplying octal value array, 'flag' value is SORT_REGULAR --
+bool(true)
+array(9) {
+ [669]=>
+ int(669)
+ [506]=>
+ int(506)
+ [229]=>
+ int(229)
+ [209]=>
+ int(209)
+ [63]=>
+ int(63)
+ [54]=>
+ int(54)
+ [0]=>
+ int(0)
+ [-54]=>
+ int(-54)
+ [-229]=>
+ int(-229)
+}
+
+-- Testing arsort() by supplying octal value array, 'flag' value is SORT_NUMERIC --
+bool(true)
+array(9) {
+ [669]=>
+ int(669)
+ [506]=>
+ int(506)
+ [229]=>
+ int(229)
+ [209]=>
+ int(209)
+ [63]=>
+ int(63)
+ [54]=>
+ int(54)
+ [0]=>
+ int(0)
+ [-54]=>
+ int(-54)
+ [-229]=>
+ int(-229)
+}
+Done
\ No newline at end of file
--- /dev/null
+--TEST--
+Test arsort() function : usage variations - unexpected values for 'sort_flags' argument
+--FILE--
+<?php
+/* Prototype : proto bool arsort(array &array_arg [, int sort_flags])
+ * Description: Sort an array and maintain index association
+ Elements will be arranged from highest to lowest when this function has completed.
+ * Source code: ext/standard/array.c
+*/
+
+/*
+ * Testing arsort() by providing different unexpected values for flag argument
+*/
+
+echo "*** Testing arsort() : usage variations ***\n";
+
+//get an unset variable
+$unset_var = 10;
+unset ($unset_var);
+
+// resource variable
+$fp = fopen(__FILE__, "r");
+
+// temperory array for checking unexpected behavior
+$unsorted_values = array(1 => 10, 2 => 2, 3 => 45);
+
+//array of values to iterate over
+$unexpected_values = array(
+
+ // int data
+/*1*/ -2345,
+
+ // float data
+/*2*/ 10.5,
+ -10.5,
+ 10.5e2,
+ 10.6E-2,
+ .5,
+
+ // null data
+/*7*/ NULL,
+ null,
+
+ // boolean data
+/*9*/ true,
+ false,
+ TRUE,
+ FALSE,
+
+ // empty data
+/*13*/ "",
+ '',
+
+ // string data
+/*15*/ "string",
+ 'string',
+
+ // object data
+/*16*/ new stdclass(),
+
+ // undefined data
+/*17*/ @undefined_var,
+
+ // unset data
+/*18*/ @unset_var,
+
+ // resource variable
+/*19*/ $fp
+
+);
+
+// loop though each element of the array and check the working of arsort()
+// when $flag arugment is supplied with different values from $unexpected_values
+echo "\n-- Testing arsort() by supplying different unexpected values for 'sort_flags' argument --\n";
+
+$counter = 1;
+for($index = 0; $index < count($unexpected_values); $index ++) {
+ echo "-- Iteration $counter --\n";
+ $value = $unexpected_values [$index];
+ $temp_array = $unsorted_values;
+ var_dump( arsort($temp_array, $value) );
+ var_dump($temp_array);
+ $counter++;
+}
+
+echo "Done";
+?>
+--EXPECTF--
+*** Testing arsort() : usage variations ***
+
+-- Testing arsort() by supplying different unexpected values for 'sort_flags' argument --
+-- Iteration 1 --
+bool(true)
+array(3) {
+ [3]=>
+ int(45)
+ [1]=>
+ int(10)
+ [2]=>
+ int(2)
+}
+-- Iteration 2 --
+bool(true)
+array(3) {
+ [3]=>
+ int(45)
+ [1]=>
+ int(10)
+ [2]=>
+ int(2)
+}
+-- Iteration 3 --
+bool(true)
+array(3) {
+ [3]=>
+ int(45)
+ [1]=>
+ int(10)
+ [2]=>
+ int(2)
+}
+-- Iteration 4 --
+bool(true)
+array(3) {
+ [3]=>
+ int(45)
+ [1]=>
+ int(10)
+ [2]=>
+ int(2)
+}
+-- Iteration 5 --
+bool(true)
+array(3) {
+ [3]=>
+ int(45)
+ [1]=>
+ int(10)
+ [2]=>
+ int(2)
+}
+-- Iteration 6 --
+bool(true)
+array(3) {
+ [3]=>
+ int(45)
+ [1]=>
+ int(10)
+ [2]=>
+ int(2)
+}
+-- Iteration 7 --
+bool(true)
+array(3) {
+ [3]=>
+ int(45)
+ [1]=>
+ int(10)
+ [2]=>
+ int(2)
+}
+-- Iteration 8 --
+bool(true)
+array(3) {
+ [3]=>
+ int(45)
+ [1]=>
+ int(10)
+ [2]=>
+ int(2)
+}
+-- Iteration 9 --
+bool(true)
+array(3) {
+ [3]=>
+ int(45)
+ [1]=>
+ int(10)
+ [2]=>
+ int(2)
+}
+-- Iteration 10 --
+bool(true)
+array(3) {
+ [3]=>
+ int(45)
+ [1]=>
+ int(10)
+ [2]=>
+ int(2)
+}
+-- Iteration 11 --
+bool(true)
+array(3) {
+ [3]=>
+ int(45)
+ [1]=>
+ int(10)
+ [2]=>
+ int(2)
+}
+-- Iteration 12 --
+bool(true)
+array(3) {
+ [3]=>
+ int(45)
+ [1]=>
+ int(10)
+ [2]=>
+ int(2)
+}
+-- Iteration 13 --
+
+Warning: arsort() expects parameter 2 to be long, string given in %sarsort_variation2.php on line %d
+bool(false)
+array(3) {
+ [1]=>
+ int(10)
+ [2]=>
+ int(2)
+ [3]=>
+ int(45)
+}
+-- Iteration 14 --
+
+Warning: arsort() expects parameter 2 to be long, string given in %sarsort_variation2.php on line %d
+bool(false)
+array(3) {
+ [1]=>
+ int(10)
+ [2]=>
+ int(2)
+ [3]=>
+ int(45)
+}
+-- Iteration 15 --
+
+Warning: arsort() expects parameter 2 to be long, string given in %sarsort_variation2.php on line %d
+bool(false)
+array(3) {
+ [1]=>
+ int(10)
+ [2]=>
+ int(2)
+ [3]=>
+ int(45)
+}
+-- Iteration 16 --
+
+Warning: arsort() expects parameter 2 to be long, string given in %sarsort_variation2.php on line %d
+bool(false)
+array(3) {
+ [1]=>
+ int(10)
+ [2]=>
+ int(2)
+ [3]=>
+ int(45)
+}
+-- Iteration 17 --
+
+Warning: arsort() expects parameter 2 to be long, object given in %sarsort_variation2.php on line %d
+bool(false)
+array(3) {
+ [1]=>
+ int(10)
+ [2]=>
+ int(2)
+ [3]=>
+ int(45)
+}
+-- Iteration 18 --
+
+Warning: arsort() expects parameter 2 to be long, string given in %sarsort_variation2.php on line %d
+bool(false)
+array(3) {
+ [1]=>
+ int(10)
+ [2]=>
+ int(2)
+ [3]=>
+ int(45)
+}
+-- Iteration 19 --
+
+Warning: arsort() expects parameter 2 to be long, string given in %sarsort_variation2.php on line %d
+bool(false)
+array(3) {
+ [1]=>
+ int(10)
+ [2]=>
+ int(2)
+ [3]=>
+ int(45)
+}
+-- Iteration 20 --
+
+Warning: arsort() expects parameter 2 to be long, resource given in %sarsort_variation2.php on line %d
+bool(false)
+array(3) {
+ [1]=>
+ int(10)
+ [2]=>
+ int(2)
+ [3]=>
+ int(45)
+}
+Done
\ No newline at end of file
--- /dev/null
+--TEST--
+Test arsort() function : usage variations - sort integer/float values
+--FILE--
+<?php
+/* Prototype : bool arsort ( array &$array [, int $sort_flags] )
+ * Description: Sort an array and maintain index association
+ Elements will be arranged from highest to lowest when this function has completed.
+ * Source code: ext/standard/array.c
+*/
+
+/*
+ * Testing arsort() by providing different integer/float value arrays for $array argument with following values
+ * 1. flag value as defualt
+ * 2. SORT_REGULAR - compare items normally
+ * 3. SORT_NUMERIC - compare items numerically
+*/
+
+echo "*** Testing arsort() : usage variations ***\n";
+
+// group of various arrays with indices
+$various_arrays = array(
+ // negative/posative integer array
+ array(1 => 11, 2 => -11, 3 => 21, 4 => -21, 5 => 31, 6 => -31, 7 => 0, 8 => 41, 10 =>-41),
+
+ // float value array
+ array(1 => 10.5, 2 => -10.5, 3 => 10.5e2, 4 => 10.6E-2, 5 => .5, 6 => .0001, 7 => -.1),
+
+ // mixed value array
+ array(1 => .0001, 2 => .0021, 3 => -.01, 4 => -1, 5 => 0, 6 => .09, 7 => 2, 8 => -.9, 9 => 10.6E-2, 10 => -10.6E-2, 11 => 33),
+
+ // array values contains minimum and maximum ranges
+ array(1 => 2147483647, 2 => 2147483648, 3 => -2147483647, 4 => -2147483648, 5 => -0, 6 => 0, 7 => -2147483649)
+);
+
+// set of possible flag values
+$flag_value = array("SORT_REGULAR" => SORT_REGULAR, "SORT_NUMERIC" => SORT_NUMERIC);
+
+$count = 1;
+echo "\n-- Testing arsort() by supplying various integer/float arrays --\n";
+
+// loop through to test arsort() with different arrays
+foreach ($various_arrays as $array) {
+ echo "\n-- Iteration $count --\n";
+
+ echo "- With default sort_flag -\n";
+ $temp_array = $array;
+ var_dump(arsort($temp_array) );
+ var_dump($temp_array);
+
+ // loop through $flag_value array and setting all possible flag values
+ foreach($flag_value as $key => $flag){
+ echo "- Sort_flag = $key -\n";
+ $temp_array = $array;
+ var_dump(arsort($temp_array, $flag) );
+ var_dump($temp_array);
+ }
+ $count++;
+}
+
+echo "Done\n";
+?>
--- /dev/null
+--TEST--
+Test arsort() function : usage variations - sort reference variables
+--FILE--
+<?php
+/* Prototype : bool arsort ( array &$array [, int $sort_flags] )
+ * Description: Sort an array and maintain index association.
+ Elements will be arranged from highest to lowest when this function has completed.
+ * Source code: ext/standard/array.c
+*/
+
+/*
+ * Testing arsort() by providing reference variable array with following flag values
+ * flag value as defualt
+ * SORT_REGULAR - compare items normally
+ * SORT_NUMERIC - compare items numerically
+*/
+
+echo "*** Testing arsort() :usage variations ***\n";
+
+$value1 = 100;
+$value2 = 33;
+$value3 = 555;
+
+// an array containing integer references
+$unsorted_numerics = array( 1 => &$value1 , 2 => &$value2, 3 => &$value3);
+
+echo "\n-- Testing arsort() by supplying reference variable array, 'flag' value is defualt --\n";
+$temp_array = $unsorted_numerics;
+var_dump( arsort($temp_array) ); // expecting : bool(true)
+var_dump( $temp_array);
+
+echo "\n-- Testing arsort() by supplying reference variable array, 'flag' = SORT_REGULAR --\n";
+$temp_array = &$unsorted_numerics;
+var_dump( arsort($temp_array, SORT_REGULAR) ); // expecting : bool(true)
+var_dump( $temp_array);
+
+echo "\n-- Testing arsort() by supplying reference variable array, 'flag' = SORT_NUMERIC --\n";
+$temp_array = &$unsorted_numerics;
+var_dump( arsort($temp_array, SORT_NUMERIC) ); // expecting : bool(true)
+var_dump( $temp_array);
+
+echo "Done\n";
+?>
+--EXPECTF--
+*** Testing arsort() :usage variations ***
+
+-- Testing arsort() by supplying reference variable array, 'flag' value is defualt --
+bool(true)
+array(3) {
+ [3]=>
+ &int(555)
+ [1]=>
+ &int(100)
+ [2]=>
+ &int(33)
+}
+
+-- Testing arsort() by supplying reference variable array, 'flag' = SORT_REGULAR --
+bool(true)
+array(3) {
+ [3]=>
+ &int(555)
+ [1]=>
+ &int(100)
+ [2]=>
+ &int(33)
+}
+
+-- Testing arsort() by supplying reference variable array, 'flag' = SORT_NUMERIC --
+bool(true)
+array(3) {
+ [3]=>
+ &int(555)
+ [1]=>
+ &int(100)
+ [2]=>
+ &int(33)
+}
+Done
\ No newline at end of file
--- /dev/null
+--TEST--
+Test arsort() function : usage variations - sort strings
+--FILE--
+<?php
+/* Prototype : bool arsort ( array &$array [, int $asort_flags] )
+ * Description: Sort an array and maintain index association
+ Elements will be arranged from highest to lowest when this function has completed.
+ * Source code: ext/standard/array.c
+*/
+
+/*
+ * testing arsort() by providing different string arrays for $array argument with following flag values
+ * flag value as defualt
+ * SORT_REGULAR - compare items normally
+ * SORT_STRING - compare items as strings
+*/
+
+echo "*** Testing arsort() : usage variations ***\n";
+
+$various_arrays = array (
+ // group of escape sequences
+ array ("null"=> null, "NULL" => NULL, "\a" => "\a", "\cx" => "\cx", "\e" => "\e",
+ "\f" => "\f", "\n" =>"\n", "\r" => "\r", "\t" => "\t", "\xhh" => "\xhh",
+ "\ddd" => "\ddd", "\v" => "\v"
+ ),
+
+ // array contains combination of capital/small letters
+ array ('l' => "lemoN", 'O' => "Orange", 'b' => "banana", 'a' => "apple", 'Te' => "Test",
+ 'T' => "TTTT", 't' => "ttt", 'w' => "ww", 'x' => "x", 'X' => "X", 'o' => "oraNGe",
+ 'B' => "BANANA"
+ )
+);
+
+$flags = array("SORT_REGULAR" => SORT_REGULAR, "SORT_STRING" => SORT_STRING);
+
+$count = 1;
+echo "\n-- Testing arsort() by supplying various string arrays --\n";
+
+// loop through to test arsort() with different arrays
+foreach ($various_arrays as $array) {
+ echo "\n-- Iteration $count --\n";
+
+ echo "- With default sort_flag -\n";
+ $temp_array = $array;
+ var_dump(arsort($temp_array) ); // expecting : bool(true)
+ var_dump($temp_array);
+
+ // loop through $flags array and setting all possible flag values
+ foreach($flags as $key => $flag){
+ echo "- Sort_flag = $key -\n";
+ $temp_array = $array;
+ var_dump(arsort($temp_array, $flag) ); // expecting : bool(true)
+ var_dump($temp_array);
+ }
+ $count++;
+}
+
+echo "Done\n";
+?>
+--EXPECTF--
+*** Testing arsort() : usage variations ***
+
+-- Testing arsort() by supplying various string arrays --
+
+-- Iteration 1 --
+- With default sort_flag -
+bool(true)
+array(12) {
+ ["\xhh"]=>
+ string(4) "\xhh"
+ ["\e"]=>
+ string(2) "\e"
+ ["\ddd"]=>
+ string(4) "\ddd"
+ ["\cx"]=>
+ string(3) "\cx"
+ ["\a"]=>
+ string(2) "\a"
+ ["
+"]=>
+ string(1) "
+"
+ ["\f"]=>
+ string(1) "\f"
+ ["\v"]=>
+ string(1) "\v"
+ ["
+"]=>
+ string(1) "
+"
+ [" "]=>
+ string(1) " "
+ ["null"]=>
+ NULL
+ ["NULL"]=>
+ NULL
+}
+- Sort_flag = SORT_REGULAR -
+bool(true)
+array(12) {
+ ["\xhh"]=>
+ string(4) "\xhh"
+ ["\e"]=>
+ string(2) "\e"
+ ["\ddd"]=>
+ string(4) "\ddd"
+ ["\cx"]=>
+ string(3) "\cx"
+ ["\a"]=>
+ string(2) "\a"
+ ["
+"]=>
+ string(1) "
+"
+ ["\f"]=>
+ string(1) "\f"
+ ["\v"]=>
+ string(1) "\v"
+ ["
+"]=>
+ string(1) "
+"
+ [" "]=>
+ string(1) " "
+ ["null"]=>
+ NULL
+ ["NULL"]=>
+ NULL
+}
+- Sort_flag = SORT_STRING -
+bool(true)
+array(12) {
+ ["\xhh"]=>
+ string(4) "\xhh"
+ ["\e"]=>
+ string(2) "\e"
+ ["\ddd"]=>
+ string(4) "\ddd"
+ ["\cx"]=>
+ string(3) "\cx"
+ ["\a"]=>
+ string(2) "\a"
+ ["
+"]=>
+ string(1) "
+"
+ ["\f"]=>
+ string(1) "\f"
+ ["\v"]=>
+ string(1) "\v"
+ ["
+"]=>
+ string(1) "
+"
+ [" "]=>
+ string(1) " "
+ ["null"]=>
+ NULL
+ ["NULL"]=>
+ NULL
+}
+
+-- Iteration 2 --
+- With default sort_flag -
+bool(true)
+array(12) {
+ ["x"]=>
+ string(1) "x"
+ ["w"]=>
+ string(2) "ww"
+ ["t"]=>
+ string(3) "ttt"
+ ["o"]=>
+ string(6) "oraNGe"
+ ["l"]=>
+ string(5) "lemoN"
+ ["b"]=>
+ string(6) "banana"
+ ["a"]=>
+ string(5) "apple"
+ ["X"]=>
+ string(1) "X"
+ ["Te"]=>
+ string(4) "Test"
+ ["T"]=>
+ string(4) "TTTT"
+ ["O"]=>
+ string(6) "Orange"
+ ["B"]=>
+ string(6) "BANANA"
+}
+- Sort_flag = SORT_REGULAR -
+bool(true)
+array(12) {
+ ["x"]=>
+ string(1) "x"
+ ["w"]=>
+ string(2) "ww"
+ ["t"]=>
+ string(3) "ttt"
+ ["o"]=>
+ string(6) "oraNGe"
+ ["l"]=>
+ string(5) "lemoN"
+ ["b"]=>
+ string(6) "banana"
+ ["a"]=>
+ string(5) "apple"
+ ["X"]=>
+ string(1) "X"
+ ["Te"]=>
+ string(4) "Test"
+ ["T"]=>
+ string(4) "TTTT"
+ ["O"]=>
+ string(6) "Orange"
+ ["B"]=>
+ string(6) "BANANA"
+}
+- Sort_flag = SORT_STRING -
+bool(true)
+array(12) {
+ ["x"]=>
+ string(1) "x"
+ ["w"]=>
+ string(2) "ww"
+ ["t"]=>
+ string(3) "ttt"
+ ["o"]=>
+ string(6) "oraNGe"
+ ["l"]=>
+ string(5) "lemoN"
+ ["b"]=>
+ string(6) "banana"
+ ["a"]=>
+ string(5) "apple"
+ ["X"]=>
+ string(1) "X"
+ ["Te"]=>
+ string(4) "Test"
+ ["T"]=>
+ string(4) "TTTT"
+ ["O"]=>
+ string(6) "Orange"
+ ["B"]=>
+ string(6) "BANANA"
+}
+Done
\ No newline at end of file
--- /dev/null
+--TEST--
+Test arsort() function : usage variations - sort hexadecimal values
+--FILE--
+<?php
+/* Prototype : bool arsort ( array &$array [, int $asort_flags] )
+ * Description: Sort an array and maintain index association.
+ Elements will be arranged from highest to lowest when this function has completed.
+ * Source code: ext/standard/array.c
+*/
+
+/*
+ * testing arsort() by providing different hexa-decimal array for $array argument with following flag values
+ * flag value as defualt
+ * SORT_REGULAR - compare items normally
+ * SORT_NUMERIC - compare items numerically
+*/
+
+echo "*** Testing arsort() : usage variations ***\n";
+
+// an array contains unsorted hexadecimal values
+// There are multiple keys which are duplicate and the later should be picked
+$unsorted_hex_array = array ( 0x1AB => 0x1AB, 0xFFF => 0xFFF, 0xF => 0xF, 0xFF => 0xFF, 0x2AA => 0x2AA, 0xBB => 0xBB,
+ 0x1ab => 0x1ab, 0xff => 0xff, -0xff => -0xFF, 0 => 0, -0x2aa => -0x2aa
+ );
+
+echo "\n-- Testing arsort() by supplying hexadecimal value array, 'flag' value is defualt --\n";
+$temp_array = $unsorted_hex_array;
+var_dump(arsort($temp_array) ); // expecting : bool(true)
+var_dump($temp_array);
+
+echo "\n-- Testing arsort() by supplying hexadecimal value array, 'flag' value is SORT_REGULAR --\n";
+$temp_array = $unsorted_hex_array;
+var_dump(arsort($temp_array, SORT_REGULAR) ); // expecting : bool(true)
+var_dump($temp_array);
+
+echo "\n-- Testing arsort() by supplying hexadecimal value array, 'flag' value is SORT_NUMERIC --\n";
+$temp_array = $unsorted_hex_array;
+var_dump(arsort($temp_array, SORT_NUMERIC) ); // expecting : bool(true)
+var_dump($temp_array);
+
+echo "Done\n";
+?>
+--EXPECTF--
+*** Testing arsort() : usage variations ***
+
+-- Testing arsort() by supplying hexadecimal value array, 'flag' value is defualt --
+bool(true)
+array(9) {
+ [4095]=>
+ int(4095)
+ [682]=>
+ int(682)
+ [427]=>
+ int(427)
+ [255]=>
+ int(255)
+ [187]=>
+ int(187)
+ [15]=>
+ int(15)
+ [0]=>
+ int(0)
+ [-255]=>
+ int(-255)
+ [-682]=>
+ int(-682)
+}
+
+-- Testing arsort() by supplying hexadecimal value array, 'flag' value is SORT_REGULAR --
+bool(true)
+array(9) {
+ [4095]=>
+ int(4095)
+ [682]=>
+ int(682)
+ [427]=>
+ int(427)
+ [255]=>
+ int(255)
+ [187]=>
+ int(187)
+ [15]=>
+ int(15)
+ [0]=>
+ int(0)
+ [-255]=>
+ int(-255)
+ [-682]=>
+ int(-682)
+}
+
+-- Testing arsort() by supplying hexadecimal value array, 'flag' value is SORT_NUMERIC --
+bool(true)
+array(9) {
+ [4095]=>
+ int(4095)
+ [682]=>
+ int(682)
+ [427]=>
+ int(427)
+ [255]=>
+ int(255)
+ [187]=>
+ int(187)
+ [15]=>
+ int(15)
+ [0]=>
+ int(0)
+ [-255]=>
+ int(-255)
+ [-682]=>
+ int(-682)
+}
+Done
\ No newline at end of file
--- /dev/null
+--TEST--
+Test arsort() function : usage variations - sort bool values
+--FILE--
+<?php
+/* Prototype : bool arsort ( array &$array [, int $sort_flags] )
+ * Description: This function arsorts an array.
+ Elements will be arranged from highest to lowest when this function has completed.
+ * Source code: ext/standard/array.c
+*/
+
+/*
+ * testing arsort() by providing bool value array for $array argument with following flag values.
+ * flag value as defualt
+ * SORT_REGULAR - compare items normally
+*/
+
+echo "*** Testing arsort() : usage variations ***\n";
+
+// bool value array
+$bool_values = array (1 => true, 2 => false, 3 => TRUE, 4 => FALSE);
+
+echo "\n-- Testing arsort() by supplying bool value array, 'flag' value is defualt --\n";
+$temp_array = $bool_values;
+var_dump(arsort($temp_array) );
+var_dump($temp_array);
+
+echo "\n-- Testing arsort() by supplying bool value array, 'flag' value is SORT_REGULAR --\n";
+$temp_array = $bool_values;
+var_dump(arsort($temp_array, SORT_REGULAR) );
+var_dump($temp_array);
+
+echo "\n-- Testing arsort() by supplying bool value array, 'flag' value is SORT_NUMERIC --\n";
+$temp_array = $bool_values;
+var_dump(arsort($temp_array, SORT_NUMERIC) );
+var_dump($temp_array);
+
+echo "\n-- Testing arsort() by supplying bool value array, 'flag' value is SORT_STRING --\n";
+$temp_array = $bool_values;
+var_dump(arsort($temp_array, SORT_STRING) );
+var_dump($temp_array);
+
+echo "Done\n";
+?>
+--EXPECTF--
+*** Testing arsort() : usage variations ***
+
+-- Testing arsort() by supplying bool value array, 'flag' value is defualt --
+bool(true)
+array(4) {
+ [3]=>
+ bool(true)
+ [1]=>
+ bool(true)
+ [4]=>
+ bool(false)
+ [2]=>
+ bool(false)
+}
+
+-- Testing arsort() by supplying bool value array, 'flag' value is SORT_REGULAR --
+bool(true)
+array(4) {
+ [3]=>
+ bool(true)
+ [1]=>
+ bool(true)
+ [4]=>
+ bool(false)
+ [2]=>
+ bool(false)
+}
+
+-- Testing arsort() by supplying bool value array, 'flag' value is SORT_NUMERIC --
+bool(true)
+array(4) {
+ [3]=>
+ bool(true)
+ [1]=>
+ bool(true)
+ [4]=>
+ bool(false)
+ [2]=>
+ bool(false)
+}
+
+-- Testing arsort() by supplying bool value array, 'flag' value is SORT_STRING --
+bool(true)
+array(4) {
+ [3]=>
+ bool(true)
+ [1]=>
+ bool(true)
+ [4]=>
+ bool(false)
+ [2]=>
+ bool(false)
+}
+Done
\ No newline at end of file
--- /dev/null
+--TEST--
+Test arsort() function : usage variations - sort array with diff. sub arrays, 'sort_flags' as default/SORT_REGULAR
+--FILE--
+<?php
+/* Prototype : bool arsort ( array &$array [, int $sort_flags] )
+ * Description: Sort an array and maintain index association.
+ Elements will be arranged from highest to lowest when this function has completed.
+ * Source code: ext/standard/array.c
+*/
+
+/*
+ * testing arsort() by providing arrays contains sub arrays for $array argument with flowing flag values
+ * flag value as default
+ * SORT_REGULAR - compare items normally
+ * Note: arrays are sorted based on total count of elements inside it, when all the elements are arrays
+*/
+
+echo "*** Testing arsort() : usage variations ***\n";
+
+// array of arrays
+$various_arrays = array (
+ // null array
+ "array[0]" => array(),
+
+ // array contains null sub array
+ "array[1]" => array( "sub_array[1][0]" => array() ),
+
+ // array of arrays along with some values
+ "array[2]" => array("data[2,0]" => 44, "data[2,1]" => 11, "sub_array[2][0] " => array(64,61) ),
+
+ // array contains sub arrays
+ "array[3]" => array ( "sub_array[3][0]" => array(33,-5,6), "sub_array[3][1]" => array(11),
+ "sub_array[3][2]" => array(22,-55), "sub_array[3][3]" => array() )
+);
+
+
+$count = 1;
+echo "\n-- Testing arsort() by supplying various arrays containing sub arrays --\n";
+
+// loop through to test arsort() with different arrays
+foreach ($various_arrays as $array) {
+
+ echo "\n-- Iteration $count --\n";
+ // testing arsort() function by supplying different arrays, flag value is default
+ echo "- With default sort_flag -\n";
+ $temp_array = $array;
+ var_dump(arsort($temp_array) );
+ var_dump($temp_array);
+
+ // testing arsort() function by supplying different arrays, flag value = SORT_REGULAR
+ echo "- Sort_flag = SORT_REGULAR -\n";
+ $temp_array = $array;
+ var_dump(arsort($temp_array, SORT_REGULAR) );
+ var_dump($temp_array);
+ $count++;
+}
+
+echo "Done\n";
+?>
+--EXPECTF--
+*** Testing arsort() : usage variations ***
+
+-- Testing arsort() by supplying various arrays containing sub arrays --
+
+-- Iteration 1 --
+- With default sort_flag -
+bool(true)
+array(0) {
+}
+- Sort_flag = SORT_REGULAR -
+bool(true)
+array(0) {
+}
+
+-- Iteration 2 --
+- With default sort_flag -
+bool(true)
+array(1) {
+ ["sub_array[1][0]"]=>
+ array(0) {
+ }
+}
+- Sort_flag = SORT_REGULAR -
+bool(true)
+array(1) {
+ ["sub_array[1][0]"]=>
+ array(0) {
+ }
+}
+
+-- Iteration 3 --
+- With default sort_flag -
+bool(true)
+array(3) {
+ ["sub_array[2][0] "]=>
+ array(2) {
+ [0]=>
+ int(64)
+ [1]=>
+ int(61)
+ }
+ ["data[2,0]"]=>
+ int(44)
+ ["data[2,1]"]=>
+ int(11)
+}
+- Sort_flag = SORT_REGULAR -
+bool(true)
+array(3) {
+ ["sub_array[2][0] "]=>
+ array(2) {
+ [0]=>
+ int(64)
+ [1]=>
+ int(61)
+ }
+ ["data[2,0]"]=>
+ int(44)
+ ["data[2,1]"]=>
+ int(11)
+}
+
+-- Iteration 4 --
+- With default sort_flag -
+bool(true)
+array(4) {
+ ["sub_array[3][0]"]=>
+ array(3) {
+ [0]=>
+ int(33)
+ [1]=>
+ int(-5)
+ [2]=>
+ int(6)
+ }
+ ["sub_array[3][2]"]=>
+ array(2) {
+ [0]=>
+ int(22)
+ [1]=>
+ int(-55)
+ }
+ ["sub_array[3][1]"]=>
+ array(1) {
+ [0]=>
+ int(11)
+ }
+ ["sub_array[3][3]"]=>
+ array(0) {
+ }
+}
+- Sort_flag = SORT_REGULAR -
+bool(true)
+array(4) {
+ ["sub_array[3][0]"]=>
+ array(3) {
+ [0]=>
+ int(33)
+ [1]=>
+ int(-5)
+ [2]=>
+ int(6)
+ }
+ ["sub_array[3][2]"]=>
+ array(2) {
+ [0]=>
+ int(22)
+ [1]=>
+ int(-55)
+ }
+ ["sub_array[3][1]"]=>
+ array(1) {
+ [0]=>
+ int(11)
+ }
+ ["sub_array[3][3]"]=>
+ array(0) {
+ }
+}
+Done
\ No newline at end of file
--- /dev/null
+--TEST--
+Test arsort() function : usage variations - sorting arrays with/without keys, 'sort_flags' as default/SORT_REGULAR
+--FILE--
+<?php
+/* Prototype : bool arsort ( array &$array [, int $sort_flags] )
+ * Description: Sort an array and maintain index association.
+ Elements will be arranged from highest to lowest when this function has completed.
+ * Source code: ext/standard/array.c
+*/
+
+/*
+ * Testing arsort() by providing arrays with key values for $array argument with following flag values.
+ * 1.flag value as default
+ * 2.SORT_REGULAR - compare items normally
+ */
+
+echo "*** Testing arsort() : usage variations ***\n";
+
+// list of arrays with/without key values
+$various_arrays = array (
+ array(5 => 55, 66, 22, 33, 11),
+ array ("a" => "orange", "banana", "c" => "apple"),
+ array(1, 2, 3, 4, 5, 6),
+ array("first", 5 => "second", "third"),
+ array(1, 1, 8 => 1, 4 => 1, 19, 3 => 13),
+ array('bar' => 'baz', "foo" => 1),
+ array('a'=>1,'b'=>array('e'=>2,'f'=>3),'c'=>array('g'=>4),'d'=>5),
+);
+
+$count = 1;
+echo "\n-- Testing arsort() by supplying various arrays with key values --\n";
+
+// loop through to test arsort() with different arrays,
+// to test the new keys for the elements in the sorted array
+foreach ($various_arrays as $array) {
+ echo "\n-- Iteration $count --\n";
+
+ echo "- With default sort_flag -\n";
+ $temp_array = $array;
+ var_dump(arsort($temp_array) );
+ var_dump($temp_array);
+
+ echo "- Sort_flag = SORT_REGULAR -\n";
+ $temp_array = $array;
+ var_dump(arsort($temp_array, SORT_REGULAR) );
+ var_dump($temp_array);
+ $count++;
+}
+
+echo "Done\n";
+?>
+--EXPECTF--
+*** Testing arsort() : usage variations ***
+
+-- Testing arsort() by supplying various arrays with key values --
+
+-- Iteration 1 --
+- With default sort_flag -
+bool(true)
+array(5) {
+ [6]=>
+ int(66)
+ [5]=>
+ int(55)
+ [8]=>
+ int(33)
+ [7]=>
+ int(22)
+ [9]=>
+ int(11)
+}
+- Sort_flag = SORT_REGULAR -
+bool(true)
+array(5) {
+ [6]=>
+ int(66)
+ [5]=>
+ int(55)
+ [8]=>
+ int(33)
+ [7]=>
+ int(22)
+ [9]=>
+ int(11)
+}
+
+-- Iteration 2 --
+- With default sort_flag -
+bool(true)
+array(3) {
+ ["a"]=>
+ string(6) "orange"
+ [0]=>
+ string(6) "banana"
+ ["c"]=>
+ string(5) "apple"
+}
+- Sort_flag = SORT_REGULAR -
+bool(true)
+array(3) {
+ ["a"]=>
+ string(6) "orange"
+ [0]=>
+ string(6) "banana"
+ ["c"]=>
+ string(5) "apple"
+}
+
+-- Iteration 3 --
+- With default sort_flag -
+bool(true)
+array(6) {
+ [5]=>
+ int(6)
+ [4]=>
+ int(5)
+ [3]=>
+ int(4)
+ [2]=>
+ int(3)
+ [1]=>
+ int(2)
+ [0]=>
+ int(1)
+}
+- Sort_flag = SORT_REGULAR -
+bool(true)
+array(6) {
+ [5]=>
+ int(6)
+ [4]=>
+ int(5)
+ [3]=>
+ int(4)
+ [2]=>
+ int(3)
+ [1]=>
+ int(2)
+ [0]=>
+ int(1)
+}
+
+-- Iteration 4 --
+- With default sort_flag -
+bool(true)
+array(3) {
+ [6]=>
+ string(5) "third"
+ [5]=>
+ string(6) "second"
+ [0]=>
+ string(5) "first"
+}
+- Sort_flag = SORT_REGULAR -
+bool(true)
+array(3) {
+ [6]=>
+ string(5) "third"
+ [5]=>
+ string(6) "second"
+ [0]=>
+ string(5) "first"
+}
+
+-- Iteration 5 --
+- With default sort_flag -
+bool(true)
+array(6) {
+ [9]=>
+ int(19)
+ [3]=>
+ int(13)
+ [4]=>
+ int(1)
+ [8]=>
+ int(1)
+ [1]=>
+ int(1)
+ [0]=>
+ int(1)
+}
+- Sort_flag = SORT_REGULAR -
+bool(true)
+array(6) {
+ [9]=>
+ int(19)
+ [3]=>
+ int(13)
+ [4]=>
+ int(1)
+ [8]=>
+ int(1)
+ [1]=>
+ int(1)
+ [0]=>
+ int(1)
+}
+
+-- Iteration 6 --
+- With default sort_flag -
+bool(true)
+array(2) {
+ ["foo"]=>
+ int(1)
+ ["bar"]=>
+ string(3) "baz"
+}
+- Sort_flag = SORT_REGULAR -
+bool(true)
+array(2) {
+ ["foo"]=>
+ int(1)
+ ["bar"]=>
+ string(3) "baz"
+}
+
+-- Iteration 7 --
+- With default sort_flag -
+bool(true)
+array(4) {
+ ["b"]=>
+ array(2) {
+ ["e"]=>
+ int(2)
+ ["f"]=>
+ int(3)
+ }
+ ["c"]=>
+ array(1) {
+ ["g"]=>
+ int(4)
+ }
+ ["d"]=>
+ int(5)
+ ["a"]=>
+ int(1)
+}
+- Sort_flag = SORT_REGULAR -
+bool(true)
+array(4) {
+ ["b"]=>
+ array(2) {
+ ["e"]=>
+ int(2)
+ ["f"]=>
+ int(3)
+ }
+ ["c"]=>
+ array(1) {
+ ["g"]=>
+ int(4)
+ }
+ ["d"]=>
+ int(5)
+ ["a"]=>
+ int(1)
+}
+Done
\ No newline at end of file