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116 lines
1.5 KiB
PHP
116 lines
1.5 KiB
PHP
--TEST--
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Bug #29493 (extract(EXTR_REFS) fails if array has multiple referrals)
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--FILE--
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<?php
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function t1()
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{
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$a = array('foo' => 'aaa');
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// refcount($a) = 1
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// refcount($a['foo']) = 1
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$b = $a;
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// refcount($a) = 2
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// refcount($a['foo']) = 1
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$b['foo'] = 'bbb';
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// refcount($a) = 1
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// refcount($a['foo']) = 1
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var_dump($a, $b);
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extract($a, EXTR_REFS);
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$foo = 'noo';
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var_dump($a, $b);
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}
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function t2()
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{
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$a = array('foo' => 'aaa');
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// refcount($a) = 1
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// refcount($a['foo']) = 1
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$b = &$a;
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// refcount($a) = 2
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// is_ref($a) = true
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// refcount($a['foo']) = 1
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$b['foo'] = 'bbb';
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// refcount($a) = 2
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// refcount($a['foo']) = 1
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var_dump($a, $b);
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extract($a, EXTR_REFS);
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$foo = 'noo';
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var_dump($a, $b);
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}
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function t3()
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{
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$a = array('foo' => 'aaa');
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// refcount($a) = 1
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// refcount($a['foo']) = 1
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$b = &$a;
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// refcount($a) = 2
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// is_ref($a) = true
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// refcount($a['foo']) = 1
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unset($b);
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// refcount($a) = 1
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// is_ref($a) = true
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// refcount($a['foo']) = 1
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var_dump($a);
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extract($a, EXTR_REFS);
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$foo = 'noo';
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var_dump($a);
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}
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t1();
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t2();
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t3();
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?>
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--EXPECT--
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array(1) {
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["foo"]=>
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string(3) "aaa"
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}
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array(1) {
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["foo"]=>
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string(3) "bbb"
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}
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array(1) {
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["foo"]=>
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&string(3) "noo"
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}
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array(1) {
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["foo"]=>
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string(3) "bbb"
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}
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array(1) {
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["foo"]=>
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string(3) "bbb"
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}
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array(1) {
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["foo"]=>
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string(3) "bbb"
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}
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array(1) {
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["foo"]=>
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&string(3) "noo"
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}
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array(1) {
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["foo"]=>
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&string(3) "noo"
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}
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array(1) {
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["foo"]=>
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string(3) "aaa"
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}
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array(1) {
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["foo"]=>
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&string(3) "noo"
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}
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