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25 lines
636 B
PHP
25 lines
636 B
PHP
--TEST--
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array_diff_ukey() : Basic test.
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--FILE--
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<?php
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/*
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* proto array array_diff_ukey ( array $array1, array $array2 [, array $ ..., callback $key_compare_func] )
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* Function is implemented in ext/standard/array.c
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*/
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function key_compare_func($key1, $key2) {
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if ($key1 == $key2) return 0;
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else if ($key1 > $key2) return 1;
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else return -1;
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}
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$array1 = array('blue' => 1, 'red' => 2, 'green' => 3, 'purple' => 4);
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$array2 = array('green' => 5, 'blue' => 6, 'yellow' => 7, 'cyan' => 8);
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var_dump(array_diff_ukey($array1, $array2, 'key_compare_func'));
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?>
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--EXPECT--
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array(2) {
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["red"]=>
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int(2)
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["purple"]=>
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int(4)
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}
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