3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace Foo; var_dump($_SERVER); define('Foo\\true', false); if (true) { echo "TRUE"; } else { echo "FALSE!!!"; }
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 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
array(17) { ["TERM"]=> string(5) "xterm" ["PATH"]=> string(13) "/usr/bin:/bin" ["LANG"]=> string(1) "C" ["SHELL"]=> string(7) "/bin/sh" ["MAIL"]=> string(16) "/var/mail/nobody" ["LOGNAME"]=> string(6) "nobody" ["USER"]=> string(6) "nobody" ["HOME"]=> string(4) "/tmp" ["PHP_SELF"]=> string(9) "/in/3urJ0" ["SCRIPT_NAME"]=> string(9) "/in/3urJ0" ["SCRIPT_FILENAME"]=> string(9) "/in/3urJ0" ["PATH_TRANSLATED"]=> string(9) "/in/3urJ0" ["DOCUMENT_ROOT"]=> string(0) "" ["REQUEST_TIME_FLOAT"]=> float(1358767653.0001) ["REQUEST_TIME"]=> int(1358767653) ["argv"]=> array(1) { [0]=> string(9) "/in/3urJ0" } ["argc"]=> int(1) } TRUE
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
array(17) { ["TERM"]=> string(5) "xterm" ["PATH"]=> string(13) "/usr/bin:/bin" ["LANG"]=> string(1) "C" ["SHELL"]=> string(7) "/bin/sh" ["MAIL"]=> string(16) "/var/mail/nobody" ["LOGNAME"]=> string(6) "nobody" ["USER"]=> string(6) "nobody" ["HOME"]=> string(4) "/tmp" ["PHP_SELF"]=> string(9) "/in/3urJ0" ["SCRIPT_NAME"]=> string(9) "/in/3urJ0" ["SCRIPT_FILENAME"]=> string(9) "/in/3urJ0" ["PATH_TRANSLATED"]=> string(9) "/in/3urJ0" ["DOCUMENT_ROOT"]=> string(0) "" ["REQUEST_TIME_FLOAT"]=> float(1358767653.0001) ["REQUEST_TIME"]=> int(1358767653) ["argv"]=> array(1) { [0]=> string(9) "/in/3urJ0" } ["argc"]=> int(1) } FALSE!!!
Output for 5.3.0 - 5.3.29
array(16) { ["TERM"]=> string(5) "xterm" ["PATH"]=> string(13) "/usr/bin:/bin" ["LANG"]=> string(1) "C" ["SHELL"]=> string(7) "/bin/sh" ["MAIL"]=> string(16) "/var/mail/nobody" ["LOGNAME"]=> string(6) "nobody" ["USER"]=> string(6) "nobody" ["HOME"]=> string(4) "/tmp" ["PHP_SELF"]=> string(9) "/in/3urJ0" ["SCRIPT_NAME"]=> string(9) "/in/3urJ0" ["SCRIPT_FILENAME"]=> string(9) "/in/3urJ0" ["PATH_TRANSLATED"]=> string(9) "/in/3urJ0" ["DOCUMENT_ROOT"]=> string(0) "" ["REQUEST_TIME"]=> int(1358767653) ["argv"]=> array(1) { [0]=> string(9) "/in/3urJ0" } ["argc"]=> int(1) } FALSE!!!
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_STRING in /in/3urJ0 on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_STRING in /in/3urJ0 on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/3urJ0 on line 2
Process exited with code 255.

preferences:
309.89 ms | 401 KiB | 465 Q