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<!DOCTYPE html> <html> <body> <?php $input = [ "Red", "Pink", "Green", "Blue", "Purple" ]; $result = preg_grep("/^p/i", $input); print_r($result); ?> </body> <!-- Mirrored from www.w3schools.com/php/phptryit.asp?filename=tryphp_func_regex_preg_grep by HTTrack Website Copier/3.x [XR&CO'2014], Tue, 07 Jun 2022 20:30:06 GMT --> </html>
Array ( [1] => Pink [4] => Purple )