--TEST--
-Test array_slice() function : usage variations - Pass different data types as $input arg
+Test array_slice() - Third parameter (NULL vs 0)
--FILE--
<?php
-/* Prototype : array array_slice(array $input, int $offset [, int $length [, bool $preserve_keys]])
- * Description: Returns elements specified by offset and length
- * Source code: ext/standard/array.c
- */
-/*
- * Pass different arguments as $input argument to array_slice() to test behaviour
- */
+var_dump(array_slice(range(1, 3), 0, NULL, 1));
+var_dump(array_slice(range(1, 3), 0, 0, 1));
+var_dump(array_slice(range(1, 3), 0, NULL));
+var_dump(array_slice(range(1, 3), 0, 0));
-echo "*** Testing array_slice() : usage variations ***\n";
+var_dump(array_slice(range(1, 3), -1, 0));
+var_dump(array_slice(range(1, 3), -1, 0, 1));
+var_dump(array_slice(range(1, 3), -1, NULL));
+var_dump(array_slice(range(1, 3), -1, NULL, 1));
-// Initialise function arguments not being substituted
-$offset = 2;
-//get an unset variable
-$unset_var = 10;
-unset ($unset_var);
+$a = 'foo';
+var_dump(array_slice(range(1, 3), 0, $a));
+var_dump(array_slice(range(1, 3), 0, $a));
+var_dump($a);
-// get a class
-class classA
-{
- public function __toString() {
- return "Class A object";
- }
-}
-
-// heredoc string
-$heredoc = <<<EOT
-hello world
-EOT;
-
-// get a resource variable
-$fp = fopen(__FILE__, "r");
-
-// unexpected values to be passed to $input argument
-$inputs = array(
-
- // int data
-/*1*/ 0,
- 1,
- 12345,
- -2345,
-
- // float data
-/*5*/ 10.5,
- -10.5,
- 12.3456789000e10,
- 12.3456789000E-10,
- .5,
-
- // null data
-/*10*/ NULL,
- null,
-
- // boolean data
-/*12*/ true,
- false,
- TRUE,
- FALSE,
-
- // empty data
-/*16*/ "",
- '',
- array(),
-
- // string data
-/*19*/ "string",
- 'string',
- $heredoc,
-
- // object data
-/*22*/ new classA(),
-
- // undefined data
-/*23*/ @$undefined_var,
-
- // unset data
-/*24*/ @$unset_var,
-
- // resource variable
-/*25*/ $fp
-);
-
-// loop through each element of $inputs to check the behavior of array_slice()
-$iterator = 1;
-foreach($inputs as $input) {
- echo "\n-- Iteration $iterator --\n";
- var_dump( array_slice($input, $offset) );
- $iterator++;
-};
-
-fclose($fp);
-
-echo "Done";
?>
--EXPECTF--
-*** Testing array_slice() : usage variations ***
-
--- Iteration 1 --
-
-Warning: array_slice() expects parameter 1 to be array, integer given in %s on line %d
-NULL
-
--- Iteration 2 --
-
-Warning: array_slice() expects parameter 1 to be array, integer given in %s on line %d
-NULL
-
--- Iteration 3 --
-
-Warning: array_slice() expects parameter 1 to be array, integer given in %s on line %d
-NULL
-
--- Iteration 4 --
-
-Warning: array_slice() expects parameter 1 to be array, integer given in %s on line %d
-NULL
-
--- Iteration 5 --
-
-Warning: array_slice() expects parameter 1 to be array, double given in %s on line %d
-NULL
-
--- Iteration 6 --
-
-Warning: array_slice() expects parameter 1 to be array, double given in %s on line %d
-NULL
-
--- Iteration 7 --
-
-Warning: array_slice() expects parameter 1 to be array, double given in %s on line %d
-NULL
-
--- Iteration 8 --
-
-Warning: array_slice() expects parameter 1 to be array, double given in %s on line %d
-NULL
-
--- Iteration 9 --
-
-Warning: array_slice() expects parameter 1 to be array, double given in %s on line %d
-NULL
-
--- Iteration 10 --
-
-Warning: array_slice() expects parameter 1 to be array, null given in %s on line %d
-NULL
-
--- Iteration 11 --
-
-Warning: array_slice() expects parameter 1 to be array, null given in %s on line %d
-NULL
-
--- Iteration 12 --
-
-Warning: array_slice() expects parameter 1 to be array, boolean given in %s on line %d
-NULL
-
--- Iteration 13 --
-
-Warning: array_slice() expects parameter 1 to be array, boolean given in %s on line %d
-NULL
-
--- Iteration 14 --
-
-Warning: array_slice() expects parameter 1 to be array, boolean given in %s on line %d
-NULL
-
--- Iteration 15 --
-
-Warning: array_slice() expects parameter 1 to be array, boolean given in %s on line %d
-NULL
-
--- Iteration 16 --
-
-Warning: array_slice() expects parameter 1 to be array, string given in %s on line %d
-NULL
-
--- Iteration 17 --
-
-Warning: array_slice() expects parameter 1 to be array, string given in %s on line %d
-NULL
-
--- Iteration 18 --
+array(3) {
+ [0]=>
+ int(1)
+ [1]=>
+ int(2)
+ [2]=>
+ int(3)
+}
array(0) {
}
-
--- Iteration 19 --
-
-Warning: array_slice() expects parameter 1 to be array, string given in %s on line %d
-NULL
-
--- Iteration 20 --
-
-Warning: array_slice() expects parameter 1 to be array, string given in %s on line %d
-NULL
-
--- Iteration 21 --
-
-Warning: array_slice() expects parameter 1 to be array, string given in %s on line %d
-NULL
-
--- Iteration 22 --
-
-Warning: array_slice() expects parameter 1 to be array, object given in %s on line %d
-NULL
-
--- Iteration 23 --
-
-Warning: array_slice() expects parameter 1 to be array, null given in %s on line %d
-NULL
-
--- Iteration 24 --
-
-Warning: array_slice() expects parameter 1 to be array, null given in %s on line %d
-NULL
-
--- Iteration 25 --
-
-Warning: array_slice() expects parameter 1 to be array, resource given in %s on line %d
-NULL
-Done
\ No newline at end of file
+array(3) {
+ [0]=>
+ int(1)
+ [1]=>
+ int(2)
+ [2]=>
+ int(3)
+}
+array(0) {
+}
+array(0) {
+}
+array(0) {
+}
+array(1) {
+ [0]=>
+ int(3)
+}
+array(1) {
+ [2]=>
+ int(3)
+}
+array(0) {
+}
+array(0) {
+}
+string(3) "foo"
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