3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo md5(crypt($_SERVER["REMOTE_ADDR"], 'a'));?>
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
Warning: Undefined array key "REMOTE_ADDR" in /in/AoKA8 on line 1 Deprecated: crypt(): Passing null to parameter #1 ($string) of type string is deprecated in /in/AoKA8 on line 1 99b983892094b5c6d2fc3736e15da7d1
Output for 8.0.0 - 8.0.30
Warning: Undefined array key "REMOTE_ADDR" in /in/AoKA8 on line 1 99b983892094b5c6d2fc3736e15da7d1
Output for 7.0.0 - 7.0.33, 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
Notice: Undefined index: REMOTE_ADDR in /in/AoKA8 on line 1 Deprecated: crypt(): Supplied salt is not valid for DES. Possible bug in provided salt format. in /in/AoKA8 on line 1 99b983892094b5c6d2fc3736e15da7d1
Output for 7.3.32 - 7.3.33, 7.4.26
99b983892094b5c6d2fc3736e15da7d1
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Notice: Undefined index: REMOTE_ADDR in /in/AoKA8 on line 1 99b983892094b5c6d2fc3736e15da7d1
Output for 5.3.2 - 5.3.29, 5.4.0 - 5.4.45
Notice: Undefined index: REMOTE_ADDR in /in/AoKA8 on line 1 9a09837c4b3017f666b56963ab029292
Output for 5.3.0 - 5.3.1
Notice: Undefined index: REMOTE_ADDR in /in/AoKA8 on line 1 a9a0c9e00ca66ac844d7ec544873df80
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
Notice: Undefined index: REMOTE_ADDR in /in/AoKA8 on line 1
Process exited with code 139.

preferences:
298.37 ms | 402 KiB | 461 Q