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run code in 300+ PHP versions simultaneously
<?php //$link = mysql_connect('localhost', 'root', '') or die('ERROR: ' . mysql_error()); //$sel = mysql_select_db(DB_NAME, $link) or die('ERROR: ' . mysql_error()); echo 'Hello World'; echo $_SERVER['HTTP_USER_AGENT']; echo 'Hello World'; ?>
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Hello World Warning: Undefined array key "HTTP_USER_AGENT" in /in/7HnrN on line 7 Hello World
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.37, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
Hello World Notice: Undefined index: HTTP_USER_AGENT in /in/7HnrN on line 7 Hello World
Output for 7.3.32 - 7.3.33, 7.4.26
Hello WorldHello World
Output for 4.3.0 - 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
Hello World Notice: Undefined index: HTTP_USER_AGENT in /in/7HnrN on line 7 Hello World
preferences:
250.54 ms | 402 KiB | 393 Q