3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $comment = ' <!--This is a comment. <!--This is a comment. Comments are not displayed in the browser --><!--This is a comment. Comments are not displayed in the browser--> Comments are not displayed in the browser-->'; preg_match_all('/(\<!--\s*.*?((--\>)|$))/imsx', $comment, $matches); var_dump($matches);
Output for 4.3.0 - 7.1.0
array(4) { [0]=> array(2) { [0]=> string(91) "<!--This is a comment. <!--This is a comment. Comments are not displayed in the browser -->" [1]=> string(67) "<!--This is a comment. Comments are not displayed in the browser-->" } [1]=> array(2) { [0]=> string(91) "<!--This is a comment. <!--This is a comment. Comments are not displayed in the browser -->" [1]=> string(67) "<!--This is a comment. Comments are not displayed in the browser-->" } [2]=> array(2) { [0]=> string(3) "-->" [1]=> string(3) "-->" } [3]=> array(2) { [0]=> string(3) "-->" [1]=> string(3) "-->" } }