<?php function contains_prohibited($string, $chars) { return strcspn($string, $chars) < strlen($string); } $string = "Prohibited symbols are ampersands, dollar signs, and semicolons."; var_dump(contains_prohibited($string, "&$;")); $string .= "And commas."; var_dump(contains_prohibited($string, "&$;,"));
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Value for `_results` contains invalid data `array`