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run code in 150+ php & hhvm versions
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<?php $names = ['[foo]bar', 'baz', '[blarg]blah']; foreach($names as $name) { preg_match('/^(\[.*?\])?(.*?)$/', $name, $match); var_dump($match[1]); }
Output for 5.4.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
string(5) "[foo]" string(0) "" string(7) "[blarg]"
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/ectJ3 on line 3
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/ectJ3 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/ectJ3 on line 3
Process exited with code 255.