3v4l.org

run code in 300+ PHP versions simultaneously
<?php $atcode = '11F5796B61690196'; $sub1 = [ '0' => '2', '1' => '3', '2' => '0', '3' => '1', '4' => '6', '5' => '7', '7' => '5', '8' => 'A', '9' => 'B', 'A' => '8', 'B' => '9', 'C' => 'E', 'D' => 'F', 'E' => 'C', 'F' => 'D' ]; var_export( preg_replace_callback( '/.*(.)(.)/', fn($m) => str_repeat(strtr($m[1], $sub1) . $m[2], 2), $atcode ) );

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)
8.4.120.0100.01120.51
8.4.110.0120.00722.53
8.4.100.0110.00919.12
8.4.90.0100.01018.96
8.4.80.0080.00218.92
8.4.70.0090.00018.10
8.4.60.0100.01218.55
8.4.50.0080.01220.66
8.4.40.0130.00617.90
8.4.30.0040.01118.94
8.4.20.0030.01718.05
8.4.10.0030.00619.63
8.3.250.0100.00918.70
8.3.240.0090.01017.20
8.3.230.0110.00816.82
8.3.220.0040.00518.80
8.3.210.0090.00616.75
8.3.200.0050.00416.75
8.3.190.0110.00717.04
8.3.180.0100.00816.68
8.3.170.0120.00619.24
8.3.160.0060.01216.86
8.3.150.0150.00417.05
8.3.140.0120.00616.75
8.3.130.0100.00016.85
8.3.120.0090.00020.63
8.3.110.0130.00716.45
8.3.100.0060.00616.84
8.3.90.0070.00726.77
8.3.80.0060.00318.68
8.3.70.0090.01218.56
8.3.60.0180.00018.38
8.3.50.0120.00316.94
8.3.40.0030.01721.75
8.3.30.0130.00722.05
8.3.20.0120.00625.66
8.3.10.0110.00825.66
8.3.00.0110.00825.66
8.2.290.0100.00820.30
8.2.280.0090.00718.87
8.2.270.0070.00717.20
8.2.260.0100.00720.52
8.2.250.0060.00316.92
8.2.240.0160.00317.24
8.2.230.0060.00320.94
8.2.220.0070.00324.06
8.2.210.0080.00026.77
8.2.200.0030.00616.88
8.2.190.0030.01416.63
8.2.180.0150.00716.75
8.2.170.0070.00718.91
8.2.160.0070.00722.96
8.2.150.0120.00625.66
8.2.140.0120.00625.66
8.2.130.0040.01425.66
8.2.120.0070.01025.66
8.2.110.0090.00625.66
8.2.100.0060.00325.66
8.2.90.0000.00925.66
8.2.80.0110.01125.66
8.2.70.0160.00025.66
8.2.60.0080.00025.66
8.2.50.0080.00025.66
8.2.40.0080.00025.66
8.2.30.0080.00025.66
8.2.20.0050.00525.66
8.2.10.0030.00725.66
8.2.00.0030.00625.66
8.1.330.0090.01022.09
8.1.320.0100.01016.66
8.1.310.0070.01116.86
8.1.300.0090.00016.41
8.1.290.0030.00630.84
8.1.280.0070.00725.92
8.1.270.0030.00625.66
8.1.260.0040.00425.66
8.1.250.0000.00825.66
8.1.240.0060.00325.66
8.1.230.0000.00925.66
8.1.220.0000.00925.66
8.1.210.0080.00025.66
8.1.200.0040.00425.66
8.1.190.0040.00425.66
8.1.180.0080.00025.66
8.1.170.0040.00425.66
8.1.160.0000.00825.66
8.1.150.0080.00025.66
8.1.140.0040.00425.66
8.1.130.0000.00825.66
8.1.120.0050.00325.66
8.1.110.0060.00325.66
8.1.100.0060.00325.66
8.1.90.0030.00525.66
8.1.80.0080.00025.66
8.1.70.0040.00425.66
8.1.60.0040.00425.66
8.1.50.0050.00325.66
8.1.40.0030.00525.66
8.1.30.0050.00325.66
8.1.20.0050.00325.66
8.1.10.0050.00325.66
8.1.00.0080.00025.66

preferences:
27.09 ms | 403 KiB | 5 Q