<?php $valid_strings = array("<p>"," ","</p>"); $test1 = '<p>asdasdasdasdasdasdasd</p>'; $test2 = '<p> </p>'; echo ContainsAnythingElseThan($test1,$valid_strings); echo ContainsAnythingElseThan($test2,$valid_strings); function ContainsAnythingElseThan($the_string,$the_valid_strings_array) { echo count(str_replace($the_valid_strings_array,'',$the_string)); }
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