Online PHP editor | refs for p3o8n

<?php $str_source = "CLOBETASOL PROPIONATE"; $str_target = "CLOBETASOL PROPIONATE 0.05% CREAM TUBE"; if(str_word_count($str_target) >= str_word_count($str_source)){ echo $finalStringarray = implode(' ',array_diff(explode(' ',$str_target),explode(' ',$str_source))); } if(str_word_count($str_source) >= str_word_count($str_target)){ echo $finalStringarray = implode(' ',array_diff(explode(' ',$str_source),explode(' ',$str_target))); }