- var_dump: documentation ( source)
- explode: documentation ( source)
- preg_split: documentation ( source)
- preg_replace: documentation ( source)
<?php
var_dump(PREG_SPLIT_NO_EMPTY);
var_dump( preg_split( '/[^a-z]+/i', 'Class::function', PREG_SPLIT_NO_EMPTY));
var_dump( preg_replace( '/[^a-z]+/i', '_', 'Class::function'));
var_dump( explode('::','Class::function'));