- var_dump: documentation ( source)
- preg_replace: documentation ( source)
<?php
function searchfield($s)
{
return preg_replace(array('/[^a-z0-9]/si', '/^\s*/s', '/\s*$/s', '/\s+/s'),
array(" ", "", "", " "), $s);
}
var_dump(searchfields("Ek soek die volgende"));