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dadb92ea35
The only case here that might be *somewhat* sensible is the userdata argument of array_walk(), which could be used to keep persistent state between callback invokations -- with the WTF moment that the final result after the walk finishes will be unchanged. Nowdays, this is much better achieved using a closure with a use-by-reference.
59 lines
927 B
PHP
59 lines
927 B
PHP
--TEST--
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Bug #28739 (*diff() and *intersect() not clearing the fci cache before work)
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--FILE--
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<?php
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class p {
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public $x;
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function __construct($x){$this->x=$x;}
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}
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function a($a, $b){var_dump(__FUNCTION__);return $a->x - $b->x;}
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function b($a, $b){var_dump(__FUNCTION__);return $a->x - $b->x;}
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$p1 = array(new p(2), new p(1), new p(0));
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$p2 = array(new p(0), new p(2), new p(3));
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uasort($p1, 'a');
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print_r($p1);
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echo "Now diffing:\n";
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print_r(array_udiff($p1,$p2, 'b'));
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?>
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--EXPECT--
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string(1) "a"
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string(1) "a"
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Array
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(
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[2] => p Object
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(
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[x] => 0
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)
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[1] => p Object
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(
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[x] => 1
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)
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[0] => p Object
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(
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[x] => 2
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)
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)
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Now diffing:
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string(1) "b"
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string(1) "b"
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string(1) "b"
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string(1) "b"
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string(1) "b"
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string(1) "b"
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string(1) "b"
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string(1) "b"
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string(1) "b"
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Array
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(
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[1] => p Object
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(
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[x] => 1
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)
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)
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