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run code in 200+ php & hhvm versions
Bugs & Features
<?php $result = array('José', 'Jósê', 'Jose_', 'Jõse', 'Josè'); print_r( preg_grep("/[[:alpha:]]+/i", "José", $result) );
based on XPciE
Output for 5.2.0 - 7.2.0
Warning: preg_grep() expects parameter 2 to be array, string given in /in/GkouG on line 5
Output for 4.3.11 - 5.1.6
Warning: preg_grep(): Second argument to preg_grep() should be an array in /in/GkouG on line 5
Output for 4.3.0 - 4.3.10
Warning: Second argument to preg_grep() should be an array in /in/GkouG on line 5