3v4l.org

run code in 300+ PHP versions simultaneously
<?php if (!empty($_SERVER['HTTP_CLIENT_IP'])) //check ip from share internet { $ipaddress = $_SERVER['HTTP_CLIENT_IP']."\r\n"; } elseif (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) //to check if ip is pass from proxy { $ipaddress = $_SERVER['HTTP_X_FORWARDED_FOR']."\r\n"; } else { $ipaddress = $_SERVER['REMOTE_ADDR']."\r\n"; } $file = 'filename.txt'; //this is the file to which the IP address will be written; name it your way. $fp = fopen($file, 'a'); fwrite($fp, $ipaddress); fclose($fp); ?>
Output for 8.3.0 - 8.3.7
Warning: Undefined array key "REMOTE_ADDR" in /in/eVFLg on line 13 Warning: fopen(): open_basedir restriction in effect. File(filename.txt) is not within the allowed path(s): (/tmp:/in:/etc) in /in/eVFLg on line 18 Warning: fopen(filename.txt): Failed to open stream: Operation not permitted in /in/eVFLg on line 18 Fatal error: Uncaught TypeError: fwrite(): Argument #1 ($stream) must be of type resource, false given in /in/eVFLg:20 Stack trace: #0 /in/eVFLg(20): fwrite(false, '\r\n') #1 {main} thrown in /in/eVFLg on line 20
Process exited with code 255.
Output for 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18
Warning: Undefined array key "REMOTE_ADDR" in /in/eVFLg on line 13 Warning: fopen(): open_basedir restriction in effect. File(filename.txt) is not within the allowed path(s): (/tmp:/in:/etc) in /in/eVFLg on line 18 Warning: fopen(filename.txt): Failed to open stream: Operation not permitted in /in/eVFLg on line 18 Fatal error: Uncaught TypeError: fwrite(): Argument #1 ($stream) must be of type resource, bool given in /in/eVFLg:20 Stack trace: #0 /in/eVFLg(20): fwrite(false, '\r\n') #1 {main} thrown in /in/eVFLg on line 20
Process exited with code 255.
Output for 8.0.13
Warning: Undefined array key "REMOTE_ADDR" in /in/eVFLg on line 13 Warning: fopen(filename.txt): Failed to open stream: Read-only file system in /in/eVFLg on line 18 Fatal error: Uncaught TypeError: fwrite(): Argument #1 ($stream) must be of type resource, bool given in /in/eVFLg:20 Stack trace: #0 /in/eVFLg(20): fwrite(false, '\r\n') #1 {main} thrown in /in/eVFLg on line 20
Process exited with code 255.
Output for 7.4.33
Notice: Undefined index: REMOTE_ADDR in /in/eVFLg on line 13 Warning: fopen(filename.txt): failed to open stream: Read-only file system in /in/eVFLg on line 18 Warning: fwrite() expects parameter 1 to be resource, bool given in /in/eVFLg on line 20 Warning: fclose() expects parameter 1 to be resource, bool given in /in/eVFLg on line 22
Output for 7.3.12 - 7.3.31, 7.4.0 - 7.4.32
Notice: Undefined index: REMOTE_ADDR in /in/eVFLg on line 13 Warning: fopen(): open_basedir restriction in effect. File(filename.txt) is not within the allowed path(s): (/tmp:/in:/etc) in /in/eVFLg on line 18 Warning: fopen(filename.txt): failed to open stream: Operation not permitted in /in/eVFLg on line 18 Warning: fwrite() expects parameter 1 to be resource, bool given in /in/eVFLg on line 20 Warning: fclose() expects parameter 1 to be resource, bool given in /in/eVFLg on line 22
Output for 7.3.32 - 7.3.33
Warning: fopen(filename.txt): failed to open stream: Read-only file system in /in/eVFLg on line 18 Warning: fwrite() expects parameter 1 to be resource, bool given in /in/eVFLg on line 20 Warning: fclose() expects parameter 1 to be resource, bool given in /in/eVFLg on line 22
Output for 7.2.29 - 7.2.33
Notice: Undefined index: REMOTE_ADDR in /in/eVFLg on line 13 Warning: fopen(): open_basedir restriction in effect. File(filename.txt) is not within the allowed path(s): (/tmp:/in:/etc) in /in/eVFLg on line 18 Warning: fopen(filename.txt): failed to open stream: Operation not permitted in /in/eVFLg on line 18 Warning: fwrite() expects parameter 1 to be resource, boolean given in /in/eVFLg on line 20 Warning: fclose() expects parameter 1 to be resource, boolean given in /in/eVFLg on line 22
Output for 7.1.20, 7.2.6
Notice: Undefined index: REMOTE_ADDR in /in/eVFLg on line 13 Warning: fopen(): open_basedir restriction in effect. File(filename.txt) is not within the allowed path(s): (/tmp:/in) in /in/eVFLg on line 18 Warning: fopen(filename.txt): failed to open stream: Operation not permitted in /in/eVFLg on line 18 Warning: fwrite() expects parameter 1 to be resource, boolean given in /in/eVFLg on line 20 Warning: fclose() expects parameter 1 to be resource, boolean given in /in/eVFLg on line 22
Output for 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 - 7.1.10, 7.2.0
Notice: Undefined index: REMOTE_ADDR in /in/eVFLg on line 13 Warning: fopen(filename.txt): failed to open stream: Permission denied in /in/eVFLg on line 18 Warning: fwrite() expects parameter 1 to be resource, boolean given in /in/eVFLg on line 20 Warning: fclose() expects parameter 1 to be resource, boolean given in /in/eVFLg on line 22
Output for 4.3.2 - 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/eVFLg on line 13 Warning: fopen(filename.txt): failed to open stream: Permission denied in /in/eVFLg on line 18 Warning: fwrite(): supplied argument is not a valid stream resource in /in/eVFLg on line 20 Warning: fclose(): supplied argument is not a valid stream resource in /in/eVFLg on line 22
Output for 4.3.1
Notice: Undefined index: REMOTE_ADDR in /in/eVFLg on line 13 Warning: fopen(filename.txt) [http://www.php.net/function.fopen]: failed to create stream: Permission denied in /in/eVFLg on line 18 Warning: fwrite(): supplied argument is not a valid stream resource in /in/eVFLg on line 20 Warning: fclose(): supplied argument is not a valid stream resource in /in/eVFLg on line 22
Output for 4.3.0
Notice: Undefined index: REMOTE_ADDR in /in/eVFLg on line 13 Warning: fopen(filename.txt) [http://www.php.net/function.fopen]: failed to create stream: Read-only file system in /in/eVFLg on line 18 Warning: fwrite(): supplied argument is not a valid stream resource in /in/eVFLg on line 20 Warning: fclose(): supplied argument is not a valid stream resource in /in/eVFLg on line 22
preferences:
189.76 ms | 402 KiB | 315 Q