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run code in 150+ php & hhvm versions
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<?php $needle = array('THIS', 'test', 'hello', 'A', 'is'); $haystack = array('helloTHISisAblindtest'); foreach ($arr as $a) { $target = []; foreach ($haystack as $h) { $target = array_merge($target, explode($a, $h)); } $haystack = $target; } var_dump($haystack);
Output for 5.4.0 - 7.1.0
Notice: Undefined variable: arr in /in/AVRjf on line 7 Warning: Invalid argument supplied for foreach() in /in/AVRjf on line 7 array(1) { [0]=> string(21) "helloTHISisAblindtest" }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/AVRjf on line 8
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/AVRjf on line 8
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/AVRjf on line 8
Process exited with code 255.