3v4l.org

run code in 300+ PHP versions simultaneously
<?php $user_agent = $_SERVER['HTTP_USER_AGENT']; //user browser $ip_address = $_SERVER["REMOTE_ADDR"]; // user ip adderss $page_name = $_SERVER["SCRIPT_NAME"]; // page the user looking $query_string = $_SERVER["QUERY_STRING"]; // what query he used $current_page = $page_name."?".$query_string; ?>
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
Warning: Undefined array key "HTTP_USER_AGENT" in /in/4lK5g on line 2 Warning: Undefined array key "REMOTE_ADDR" in /in/4lK5g on line 3 Warning: Undefined array key "QUERY_STRING" in /in/4lK5g on line 5
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined index: HTTP_USER_AGENT in /in/4lK5g on line 2 Notice: Undefined index: REMOTE_ADDR in /in/4lK5g on line 3 Notice: Undefined index: QUERY_STRING in /in/4lK5g on line 5
Output for 7.3.32 - 7.3.33
Output for 5.2.3 - 5.2.17
Notice: Undefined index: HTTP_USER_AGENT in /in/4lK5g on line 2 Notice: Undefined index: REMOTE_ADDR in /in/4lK5g on line 3 Notice: Undefined index: QUERY_STRING in /in/4lK5g on line 5
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 - 5.2.2
Notice: Undefined index: HTTP_USER_AGENT in /in/4lK5g on line 2 Notice: Undefined index: REMOTE_ADDR in /in/4lK5g on line 3 Notice: Undefined index: SCRIPT_NAME in /in/4lK5g on line 4 Notice: Undefined index: QUERY_STRING in /in/4lK5g on line 5
preferences:
267.85 ms | 403 KiB | 313 Q