- var_dump: documentation ( source)
- ucwords: documentation ( source)
- implode: documentation ( source)
- array_filter: documentation ( source)
- preg_split: documentation ( source)
<?php
$sentence = 'y HeloWerld';
$werds = array_filter(preg_split('/(?=[A-Z])/',$sentence));
var_dump(ucwords(implode(' ',$werds)));