3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $_email_pattern = '#[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,6}#i'; $author = ''; $author_email = 'jackjohnson@gmail.com'; if ((empty($author)) && (!empty($author_email))) { $_try_author = $author_email; if (strpos($_try_author, '@') !== false) { echo "valid email detected\n"; $_try_author = trim(preg_replace($_email_pattern, '', $_try_author)); $_try_author = trim(preg_replace('#[<()>\[\]._%+-]#',' ',$_try_author)); } else { echo "invalid email detected\n"; $author_email = ''; // not a valid email } $author = $_try_author; } echo 'AUTHOR: '.$author."\n"; echo 'AUTHOR EMAIL: '.$author_email."\n";
based on JLDrg
Output for 4.3.0 - 7.2.0
valid email detected AUTHOR: AUTHOR EMAIL: jackjohnson@gmail.com