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run code in 150+ php & hhvm versions
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<?php $array = array('foo' => 123, 'bar' => true, 987 => 'test', '0' => 'blah', 'baz' => 'blah') ; $needle = 'bar'; echo array_search(array_search($needle,$array),array_keys($array);
Output for 5.3.0 - 5.4.20
Parse error: syntax error, unexpected ';' in /in/A50pa on line 6
Process exited with code 255.