<?php $string = 'This is a string of words with multiple vowels.'; function asdf($string){ for ($i=strlen($string); $i >= 0 ; $i--) { if (strpos("aeiouAEIOU", substr($string, $i, 1)) !== false) { return substr_replace($string, "", $i, 1); } } return $string; } echo asdf($string);
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