- var_dump: documentation ( source)
- trim: documentation ( source)
<?php
$str = " five";
$str2 = " five";
$wspace = trim($str);
$wspace2=trim($str2);
var_dump($str == $str2); // true
var_dump($c1 = count($wspace),$c2 = count($wspace2),$c1 == $c2);