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run code in 500+ PHP versions simultaneously
<?php $array = Array ( "[", " [", " [", "Test", "Server1", null, "Server2", null, "", "stopped", " ]", " ]", "]" ); $res = preg_grep("/^\h*[][]\h*$/", $array, PREG_GREP_INVERT); var_export($res);
Output for 7.1.26 - 7.1.33, 7.2.17 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
array ( 3 => 'Test', 4 => 'Server1', 5 => NULL, 6 => 'Server2', 7 => NULL, 8 => '', 9 => 'stopped', )
preferences:
121.87 ms | 1442 KiB | 4 Q