3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php preg_match_all("|<[^>]+>(.)</[^>]+>|U", "<b>example: </b><div align=left>this is a test</div>", $out, PREG_PATTERN_ORDER); echo $out[0][0].", ".$out[0][1]."\n"; echo $out[1][0].", ".$out[1][1]."\n"; ?>
Output for 5.3.0 - 7.1.0
Notice: Undefined offset: 0 in /in/rWtHt on line 5 Notice: Undefined offset: 1 in /in/rWtHt on line 5 , Notice: Undefined offset: 0 in /in/rWtHt on line 6 Notice: Undefined offset: 1 in /in/rWtHt on line 6 ,
Output for 4.3.0 - 5.2.17
Notice: Undefined offset: 0 in /in/rWtHt on line 5 Notice: Undefined offset: 1 in /in/rWtHt on line 5 , Notice: Undefined offset: 0 in /in/rWtHt on line 6 Notice: Undefined offset: 1 in /in/rWtHt on line 6 ,