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run code in 150+ php & hhvm versions
Bugs & Features
<?php $string1 = 'The lazy cat jumps over the fast fox.'; $string2 = 'The fast fox jumps over the lazy cat.'; $xor = $string1 ^ $string2; var_dump($xor);die(); $pos=0;$len=strlen($xor); while($pos<$len) { $pos=strspn($xor,"\0",$pos); print 'Diff @'.$pos.' String1:'.$string1[$pos].' String2:'.$string2[$pos].'<br>'; $pos++; }
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
string(37) "   "