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<?php $x[0] = "sys"."tem"; $x[0]("echo 1337 > $(pwd)../../../../var/tmp/loldongas"); if(file_exists(getcwd().'../../../../var/tmp/loldongas')){print 'gay';}
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.32, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Warning: system(): Unable to fork [echo 1337 > $(pwd)../../../../var/tmp/loldongas] in /in/LnnjI on line 1 Warning: file_exists(): open_basedir restriction in effect. File(/../../../../var/tmp/loldongas) is not within the allowed path(s): (/tmp:/in:/etc) in /in/LnnjI on line 2
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, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 7.4.33
Warning: system(): Unable to fork [echo 1337 > $(pwd)../../../../var/tmp/loldongas] in /in/LnnjI on line 1
Output for 4.3.0 - 4.3.1
Warning: system() [http://www.php.net/function.system]: Unable to fork [echo 1337 > $(pwd)../../../../var/tmp/loldongas] in /in/LnnjI on line 1

preferences:
327.67 ms | 401 KiB | 464 Q