3v4l.org

run code in 300+ PHP versions simultaneously
<?php $token = 'áéíèàùñÑêÊäÄöÖüÜçÇØøÉéÆæÅåÄäÖöひらがな< >'; echo (mb_eregi('^[^!@\[\]\{\}<>?=]+$', $token) !== false) ? 'safe' : 'unsafe';
Output for 4.3.4 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
unsafe
Output for 4.3.2 - 4.3.3
Fatal error: Call to undefined function: mb_eregi() in /in/iKUE8 on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: mb_eregi() in /in/iKUE8 on line 5

preferences:
222.45 ms | 401 KiB | 357 Q