Online PHP editor | refs for 1cXXS

<?php $sentence = str_replace("{","", $sentence); $sentence = str_replace("}","", $sentence); $sentence_iter = explode("|", $sentence); $key_upper = "{"; for ($iMatch = 0; iMatch < count($sentence_iter); ++$iMatch) { $key_upper = $key_upper ."|". preg_replace_callback('/(?<=\s|^)[a-z]/', function($match) { return strtoupper($match[0]); }, $sentence_iter[$iMatch]); } $key_upper .= "}"; $key_upper = str_replace("{|", "{", $key_upper); echo $key_upper;