--- /dev/null
+--TEST--
+Test array_diff_key() : basic functionality
+--FILE--
+<?php
+/*
+* proto array array_diff_key(array arr1, array arr2 [, array ...])
+* Function is implemented in ext/standard/array.c
+*/
+$array1 = array('blue' => 1, 'red' => 2, 'green' => 3, 'purple' => 4);
+$array2 = array('green' => 5, 'blue' => 6, 'yellow' => 7, 'cyan' => 8);
+var_dump(array_diff_key($array1, $array2));
+?>
+--EXPECT--
+array(2) {
+ ["red"]=>
+ int(2)
+ ["purple"]=>
+ int(4)
+}
\ No newline at end of file
--- /dev/null
+--TEST--
+array_diff_key() : type variations
+--FILE--
+<?php
+/*
+* proto array array_diff_key(array arr1, array arr2 [, array ...])
+* Function is implemented in ext/standard/array.c
+*/
+/*
+* Testing how array_diff_key treats keys that are numbers, floating point numbers or strings.
+*/
+$arr1 = array(1 => 'a', 2 => 'b', 3 => 'c', 'key1' => 'value');
+$arr2 = array(1.00 => 'a', 2.00 => 'b', 3.00 => 'c', 'key2' => 'value');
+$arr3 = array('1' => 'a', '2' => 'b', '3' => 'c', 'key3' => 'value');
+$arr4 = array('1.00' => 'a', '2.00' => 'b', '3.00' => 'c', 'key4' => 'value'); //$arr4 looks different to the other three arrays.
+print "Result of comparing integers and floating point value:\n"; //1 and 1.00 are treated as the same thing
+print_r(array_diff_key($arr1, $arr2));
+print_r(array_diff_key($arr2, $arr1));
+print "Result of comparing integers and strings containing an integers:\n"; //1 and the string 1 are treated as the same thing
+print_r(array_diff_key($arr1, $arr3));
+print_r(array_diff_key($arr3, $arr1));
+print "Result of comparing integers and strings containing floating points:\n"; //1 and the string 1.00 are not treated as the same thing
+print_r(array_diff_key($arr1, $arr4));
+print_r(array_diff_key($arr4, $arr1));
+print "Result of comparing floating points and strings containing integers:\n";
+print_r(array_diff_key($arr2, $arr3)); //1.00 and the string 1 are treated as the same thing
+print_r(array_diff_key($arr3, $arr2));
+print "Result of comparing strings containing integers and strings containing floating points:\n"; //the strings 1 and 1.00 are not treated as the same thing.
+print_r(array_diff_key($arr3, $arr4));
+print_r(array_diff_key($arr4, $arr3));
+?>
+--EXPECTF--
+Result of comparing integers and floating point value:
+Array
+(
+ [key1] => value
+)
+Array
+(
+ [key2] => value
+)
+Result of comparing integers and strings containing an integers:
+Array
+(
+ [key1] => value
+)
+Array
+(
+ [key3] => value
+)
+Result of comparing integers and strings containing floating points:
+Array
+(
+ [1] => a
+ [2] => b
+ [3] => c
+ [key1] => value
+)
+Array
+(
+ [1.00] => a
+ [2.00] => b
+ [3.00] => c
+ [key4] => value
+)
+Result of comparing floating points and strings containing integers:
+Array
+(
+ [key2] => value
+)
+Array
+(
+ [key3] => value
+)
+Result of comparing strings containing integers and strings containing floating points:
+Array
+(
+ [1] => a
+ [2] => b
+ [3] => c
+ [key3] => value
+)
+Array
+(
+ [1.00] => a
+ [2.00] => b
+ [3.00] => c
+ [key4] => value
+)
--- /dev/null
+--TEST--
+array_diff_uassoc(): Basic test
+--FILE--
+<?php
+/*
+* array array_diff_uassoc ( array $array1, array $array2 [, array $..., callback $key_compare_func] )
+* Function is implemented in ext/standard/array.c
+*/
+function key_compare_func($a, $b) {
+ if ($a === $b) {
+ return 0;
+ }
+ return ($a > $b) ? 1 : -1;
+}
+$array1 = array("a" => "green", "b" => "brown", "c" => "blue", "red");
+$array2 = array("a" => "green", "yellow", "red");
+$result = array_diff_uassoc($array1, $array2, "key_compare_func");
+var_dump($result);
+?>
+--EXPECT--
+array(3) {
+ ["b"]=>
+ string(5) "brown"
+ ["c"]=>
+ string(4) "blue"
+ [0]=>
+ string(3) "red"
+}
\ No newline at end of file
--- /dev/null
+--TEST--
+array_diff_ukey() : Basic test.
+--FILE--
+<?php
+/*
+* proto array array_diff_ukey ( array $array1, array $array2 [, array $ ..., callback $key_compare_func] )
+* Function is implemented in ext/standard/array.c
+*/
+function key_compare_func($key1, $key2) {
+ if ($key1 == $key2) return 0;
+ else if ($key1 > $key2) return 1;
+ else return -1;
+}
+$array1 = array('blue' => 1, 'red' => 2, 'green' => 3, 'purple' => 4);
+$array2 = array('green' => 5, 'blue' => 6, 'yellow' => 7, 'cyan' => 8);
+var_dump(array_diff_ukey($array1, $array2, 'key_compare_func'));
+?>
+--EXPECT--
+array(2) {
+ ["red"]=>
+ int(2)
+ ["purple"]=>
+ int(4)
+}
--- /dev/null
+--TEST--
+array_intersect_key(): Basic Test
+--FILE--
+<?php
+/*
+* proto array array_intersect_key(array arr1, array arr2 [, array ...])
+* Function is implemented in ext/standard/array.c
+*/
+$array1 = array('blue' => 1, 'red' => 2, 'green' => 3, 'purple' => 4);
+$array2 = array('green' => 5, 'blue' => 6, 'yellow' => 7, 'cyan' => 8);
+var_dump(array_intersect_key($array1, $array2));
+?>
+--EXPECT--
+array(2) {
+ ["blue"]=>
+ int(1)
+ ["green"]=>
+ int(3)
+}
\ No newline at end of file
--- /dev/null
+--TEST--
+array_intersect_uassoc(): Basic test
+--FILE--
+<?php
+/*
+* array array_intersect_uassoc ( array $array1, array $array2 [, array $..., callback $key_compare_func] )
+* Function is implemented in ext/standard/array.c
+*/
+function key_compare_func($a, $b) {
+ if ($a === $b) {
+ return 0;
+ }
+ return ($a > $b) ? 1 : -1;
+}
+$array1 = array("a" => "green", "b" => "brown", "c" => "blue", "red");
+$array2 = array("a" => "green", "yellow", "red");
+$result = array_intersect_uassoc($array1, $array2, "key_compare_func");
+var_dump($result);
+?>
+--EXPECT--
+array(1) {
+ ["a"]=>
+ string(5) "green"
+}
\ No newline at end of file
--- /dev/null
+--TEST--
+array_intersect_ukey(): Basic test.
+--FILE--
+<?php
+/*
+* proto array array_intersect_ukey ( array $array1, array $array2 [, array $ ..., callback $key_compare_func] )
+* Function is implemented in ext/standard/array.c
+*/
+function key_compare_func($key1, $key2) {
+ if ($key1 == $key2) return 0;
+ else if ($key1 > $key2) return 1;
+ else return -1;
+}
+$array1 = array('blue' => 1, 'red' => 2, 'green' => 3, 'purple' => 4);
+$array2 = array('green' => 5, 'blue' => 6, 'yellow' => 7, 'cyan' => 8);
+var_dump(array_intersect_ukey($array1, $array2, 'key_compare_func'));
+?>
+--EXPECT--
+array(2) {
+ ["blue"]=>
+ int(1)
+ ["green"]=>
+ int(3)
+}
--- /dev/null
+--TEST--
+array_udiff_assoc(): Test return type and value for expected input
+--FILE--
+<?php
+/*
+* proto array array_udiff_assoc ( array $array1, array $array2 [, array $ ..., callback $data_compare_func] )
+* Function is implemented in ext/standard/array.c
+*/
+class cr {
+ private $priv_member;
+ function cr($val) {
+ $this->priv_member = $val;
+ }
+ static function comp_func_cr($a, $b) {
+ if ($a->priv_member === $b->priv_member) return 0;
+ return ($a->priv_member > $b->priv_member) ? 1 : -1;
+ }
+}
+$a = array("0.1" => new cr(9), "0.5" => new cr(12), 0 => new cr(23), 1 => new cr(4), 2 => new cr(-15),);
+$b = array("0.2" => new cr(9), "0.5" => new cr(22), 0 => new cr(3), 1 => new cr(4), 2 => new cr(-15),);
+$result = array_udiff_assoc($a, $b, array("cr", "comp_func_cr"));
+var_dump($result);
+?>
+--EXPECTF--
+array(3) {
+ ["0.1"]=>
+ object(cr)#%d (1) {
+ ["priv_member":"cr":private]=>
+ int(9)
+ }
+ ["0.5"]=>
+ object(cr)#%d (1) {
+ ["priv_member":"cr":private]=>
+ int(12)
+ }
+ [0]=>
+ object(cr)#%d (1) {
+ ["priv_member":"cr":private]=>
+ int(23)
+ }
+}
\ No newline at end of file
--- /dev/null
+--TEST--
+array_udiff():Test return type and value for expected input
+--FILE--
+<?php
+/*
+* proto array array_udiff ( array $array1, array $array2 [, array $ ..., callback $data_compare_func] )
+* Function is implemented in ext/standard/array.c
+*/
+class cr {
+ private $priv_member;
+ function cr($val) {
+ $this->priv_member = $val;
+ }
+ static function comp_func_cr($a, $b) {
+ if ($a->priv_member === $b->priv_member) return 0;
+ return ($a->priv_member > $b->priv_member) ? 1 : -1;
+ }
+}
+$a = array("0.1" => new cr(9), "0.5" => new cr(12), 0 => new cr(23), 1 => new cr(4), 2 => new cr(-15),);
+$b = array("0.2" => new cr(9), "0.5" => new cr(22), 0 => new cr(3), 1 => new cr(4), 2 => new cr(-15),);
+$result = array_udiff($a, $b, array("cr", "comp_func_cr"));
+var_dump($result);
+?>
+--EXPECTF--
+array(2) {
+ ["0.5"]=>
+ object(cr)#%d (1) {
+ ["priv_member":"cr":private]=>
+ int(12)
+ }
+ [0]=>
+ object(cr)#%d (1) {
+ ["priv_member":"cr":private]=>
+ int(23)
+ }
+}
\ No newline at end of file
--- /dev/null
+--TEST--
+array_udiff_uassoc(): Test return type and value for expected input
+--FILE--
+<?php
+/*
+* proto array array_udiff_assoc ( array $array1, array $array2 [, array $ ..., callback $data_compare_func] )
+* Function is implemented in ext/standard/array.c
+*/
+class cr {
+ private $priv_member;
+ function cr($val) {
+ $this->priv_member = $val;
+ }
+ static function comp_func_cr($a, $b) {
+ if ($a->priv_member === $b->priv_member) return 0;
+ return ($a->priv_member > $b->priv_member) ? 1 : -1;
+ }
+ static function comp_func_key($a, $b) {
+ if ($a === $b) return 0;
+ return ($a > $b) ? 1 : -1;
+ }
+}
+$a = array("0.1" => new cr(9), "0.5" => new cr(12), 0 => new cr(23), 1 => new cr(4), 2 => new cr(-15),);
+$b = array("0.2" => new cr(9), "0.5" => new cr(22), 0 => new cr(3), 1 => new cr(4), 2 => new cr(-15),);
+$result = array_udiff_uassoc($a, $b, array("cr", "comp_func_cr"), array("cr", "comp_func_key"));
+var_dump($result);
+?>
+--EXPECTF--
+array(3) {
+ ["0.1"]=>
+ object(cr)#%d (1) {
+ ["priv_member":"cr":private]=>
+ int(9)
+ }
+ ["0.5"]=>
+ object(cr)#%d (1) {
+ ["priv_member":"cr":private]=>
+ int(12)
+ }
+ [0]=>
+ object(cr)#%d (1) {
+ ["priv_member":"cr":private]=>
+ int(23)
+ }
+}
\ No newline at end of file
--- /dev/null
+--TEST--
+array_uintersect_assoc(): Test return type and value for expected input
+--FILE--
+<?php
+/*
+* proto array array_uintersect_assoc ( array $array1, array $array2 [, array $ ..., callback $data_compare_func] )
+* Function is implemented in ext/standard/array.c
+*/
+class cr {
+ private $priv_member;
+ function cr($val) {
+ $this->priv_member = $val;
+ }
+ static function comp_func_cr($a, $b) {
+ if ($a->priv_member === $b->priv_member) return 0;
+ return ($a->priv_member > $b->priv_member) ? 1 : -1;
+ }
+}
+$a = array("0.1" => new cr(9), "0.5" => new cr(12), 0 => new cr(23), 1 => new cr(4), 2 => new cr(-15),);
+$b = array("0.2" => new cr(9), "0.5" => new cr(22), 0 => new cr(3), 1 => new cr(4), 2 => new cr(-15),);
+$result = array_uintersect_assoc($a, $b, array("cr", "comp_func_cr"));
+var_dump($result);
+?>
+--EXPECTF--
+array(2) {
+ [1]=>
+ object(cr)#%d (1) {
+ ["priv_member":"cr":private]=>
+ int(4)
+ }
+ [2]=>
+ object(cr)#%d (1) {
+ ["priv_member":"cr":private]=>
+ int(-15)
+ }
+}
\ No newline at end of file
--- /dev/null
+--TEST--
+array_uintersect(): Test return type and value for expected input
+--FILE--
+<?php
+/*
+* proto array array_uintersect ( array $array1, array $array2 [, array $ ..., callback $data_compare_func] )
+* Function is implemented in ext/standard/array.c
+*/
+class cr {
+ private $priv_member;
+ function cr($val) {
+ $this->priv_member = $val;
+ }
+ static function comp_func_cr($a, $b) {
+ if ($a->priv_member === $b->priv_member) return 0;
+ return ($a->priv_member > $b->priv_member) ? 1 : -1;
+ }
+}
+$a = array("0.1" => new cr(9), "0.5" => new cr(12), 0 => new cr(23), 1 => new cr(4), 2 => new cr(-15),);
+$b = array("0.2" => new cr(9), "0.5" => new cr(22), 0 => new cr(3), 1 => new cr(4), 2 => new cr(-15),);
+$result = array_uintersect($a, $b, array("cr", "comp_func_cr"));
+var_dump($result);
+?>
+--EXPECTF--
+array(3) {
+ ["0.1"]=>
+ object(cr)#%d (1) {
+ ["priv_member":"cr":private]=>
+ int(9)
+ }
+ [1]=>
+ object(cr)#%d (1) {
+ ["priv_member":"cr":private]=>
+ int(4)
+ }
+ [2]=>
+ object(cr)#%d (1) {
+ ["priv_member":"cr":private]=>
+ int(-15)
+ }
+}
\ No newline at end of file
--- /dev/null
+--TEST--
+array_uintersect_uassoc(): Test return type and value for expected input
+--FILE--
+<?php
+/*
+* proto array array_uintersect_assoc ( array $array1, array $array2 [, array $ ..., callback $data_compare_func] )
+* Function is implemented in ext/standard/array.c
+*/
+class cr {
+ private $priv_member;
+ function cr($val) {
+ $this->priv_member = $val;
+ }
+ static function comp_func_cr($a, $b) {
+ if ($a->priv_member === $b->priv_member) return 0;
+ return ($a->priv_member > $b->priv_member) ? 1 : -1;
+ }
+ static function comp_func_key($a, $b) {
+ if ($a === $b) return 0;
+ return ($a > $b) ? 1 : -1;
+ }
+}
+$a = array("0.1" => new cr(9), "0.5" => new cr(12), 0 => new cr(23), 1 => new cr(4), 2 => new cr(-15),);
+$b = array("0.2" => new cr(9), "0.5" => new cr(22), 0 => new cr(3), 1 => new cr(4), 2 => new cr(-15),);
+$result = array_uintersect_uassoc($a, $b, array("cr", "comp_func_cr"), array("cr", "comp_func_key"));
+var_dump($result);
+?>
+--EXPECTF--
+array(2) {
+ [1]=>
+ object(cr)#%d (1) {
+ ["priv_member":"cr":private]=>
+ int(4)
+ }
+ [2]=>
+ object(cr)#%d (1) {
+ ["priv_member":"cr":private]=>
+ int(-15)
+ }
+}
\ No newline at end of file