3v4l.org

run code in 500+ PHP versions simultaneously
<?php $secret = "3d3d516343746d4d6d6c315669563362"; // original method was base64 encode -> strrev -> bin2hex // new method will be hex2bin -> strrev -> base64 decode echo base64_decode(strrev(hex2bin($secret))); ?>

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)
8.5.80.0130.00416.64
8.5.70.0170.00616.55
8.5.60.0200.00616.67
8.5.50.0200.00616.43
8.5.40.0230.00616.44
8.5.30.0230.00717.12
8.5.20.0240.00617.29
8.5.10.0200.00616.87
8.5.00.0140.00617.09
8.4.230.0110.00719.52
8.4.220.0130.00720.24
8.4.210.0130.00619.41
8.4.200.0160.00419.37
8.4.190.0190.00719.47
8.4.180.0140.00821.03
8.4.170.0170.00820.39
8.4.160.0200.00719.73
8.4.150.0200.00518.35
8.4.140.0250.00917.30
8.4.130.0230.00717.37
8.4.120.0240.00617.84
8.4.110.0270.00618.35
8.4.100.0270.00817.51
8.4.90.0300.00917.63
8.4.80.0250.00817.75
8.4.70.0230.00717.77
8.4.60.0250.00717.79
8.4.50.0310.00717.64
8.4.40.0270.00817.53
8.4.30.0300.00717.77
8.4.20.0290.00817.70
8.4.10.0290.00717.45
8.3.320.0090.00518.35
8.3.310.0150.00418.21
8.3.300.0180.00619.24
8.3.290.0170.00618.73
8.3.280.0210.00618.11
8.3.270.0260.00716.48
8.3.260.0270.00716.43
8.3.250.0270.00816.65
8.3.240.0260.00616.52
8.3.230.0300.00716.44
8.3.220.0260.00716.74
8.3.210.0210.00716.39
8.3.200.0240.00716.45
8.3.190.0260.00616.70
8.3.180.0240.00616.65
8.3.170.0290.00616.32
8.3.160.0270.00716.56
8.3.150.0260.00816.43
8.3.140.0260.00716.60
8.3.130.0230.00616.68
8.3.120.0220.00716.79
8.3.110.0210.00616.75
8.3.100.0260.00718.54
8.3.90.0250.00618.99
8.3.80.0270.00618.31
8.3.70.0260.00718.08
8.3.60.0250.00719.26
8.3.50.0220.00619.05
8.3.40.0220.00619.91
8.3.30.0200.00619.86
8.3.20.0170.00720.20
8.3.10.0190.00620.24
8.3.00.0170.00620.79
8.2.320.0170.00317.76
8.2.310.0130.00617.97
8.2.300.0230.00817.79
8.2.290.0220.00716.36
8.2.280.0210.00616.41
8.2.270.0220.00616.45
8.2.260.0190.00616.47
8.2.250.0180.00616.41
8.2.240.0210.00516.45
8.2.230.0210.00516.81
8.2.220.0200.00519.60
8.2.210.0190.00618.82
8.2.200.0200.00417.99
8.2.190.0190.00718.00
8.2.180.0200.00719.53
8.2.170.0230.00720.00
8.2.160.0220.00720.20
8.2.150.0230.00620.40
8.2.140.0240.00620.28
8.2.130.0230.00720.85
8.2.120.0220.00720.85
8.2.110.0230.00720.60
8.2.100.0220.00720.48
8.2.90.0210.00720.23
8.2.80.0210.00720.18
8.2.70.0190.00719.85
8.2.60.0210.00619.87
8.2.50.0190.00819.88
8.2.40.0180.00720.02
8.2.30.0190.00619.96
8.2.20.0190.00720.09
8.2.10.0170.00819.90
8.2.00.0190.00619.96
8.1.340.0230.00717.35
8.1.330.0220.00615.84
8.1.320.0200.00715.99
8.1.310.0190.00616.23
8.1.300.0190.00716.09
8.1.290.0210.00517.88
8.1.280.0210.00619.35
8.1.270.0230.00620.21
8.1.260.0200.00720.73
8.1.250.0210.00620.84
8.1.240.0200.00620.50
8.1.230.0200.00620.21
8.1.220.0190.00720.03
8.1.210.0180.00720.01
8.1.200.0190.00519.59
8.1.190.0190.00519.55
8.1.180.0180.00719.56
8.1.170.0180.00719.75
8.1.160.0190.00619.72
8.1.150.0190.00619.69
8.1.140.0180.00719.64
8.1.130.0200.00519.71
8.1.120.0200.00519.72
8.1.110.0190.00619.67
8.1.100.0190.00719.68
8.1.90.0200.00619.67
8.1.80.0200.00719.71
8.1.70.0180.00619.77
8.1.60.0190.00619.80
8.1.50.0190.00719.70
8.1.40.0210.00619.76
8.1.30.0220.00619.83
8.1.20.0210.00619.81
8.1.10.0220.00619.71
8.1.00.0210.00719.68
8.0.300.0210.00619.62
8.0.290.0210.00619.29
8.0.280.0190.00519.45
8.0.270.0200.00719.29
8.0.260.0210.00519.31
8.0.250.0190.00519.30
8.0.240.0200.00619.29
8.0.230.0190.00619.36
8.0.220.0190.00719.20
8.0.210.0210.00419.23
8.0.200.0190.00619.26
8.0.190.0180.00719.26
8.0.180.0180.00619.34
8.0.170.0200.00719.24
8.0.160.0210.00619.26
8.0.150.0200.00619.34
8.0.140.0190.00719.29
8.0.130.0210.00619.01
8.0.120.0210.00618.75
8.0.110.0190.00618.77
8.0.100.0200.00618.72
8.0.90.0200.00618.73
8.0.80.0200.00618.75
8.0.70.0220.00518.70
8.0.60.0210.00618.75
8.0.50.0210.00518.75
8.0.30.0220.00518.77
8.0.20.0190.00618.83
8.0.10.0190.00618.84
8.0.00.0200.00618.89
7.4.330.0190.00619.04
7.4.320.0210.00619.07
7.4.300.0200.00519.03
7.4.290.0210.00519.10
7.4.280.0200.00519.04
7.4.270.0180.00719.14
7.4.260.0200.00518.90
7.4.250.0190.00518.57
7.4.240.0190.00518.68
7.4.230.0210.00418.60
7.4.220.0190.00518.65
7.4.210.0190.00618.61
7.4.200.0200.00518.58
7.4.190.0190.00618.64
7.4.180.0190.00518.63
7.4.160.0200.00518.61
7.4.150.0190.00518.59
7.4.140.0190.00618.53
7.4.130.0180.00618.58
7.4.120.0190.00518.61
7.4.110.0190.00418.54
7.4.100.0180.00718.53
7.4.90.0190.00518.57
7.4.80.0190.00518.52
7.4.70.0190.00618.54
7.4.60.0190.00618.55
7.4.50.0200.00518.58
7.4.40.0180.00518.51
7.4.30.0170.00518.53
7.4.20.0170.00518.62
7.4.10.0170.00618.53
7.4.00.0170.00518.54
7.3.330.0170.00618.81
7.3.320.0170.00618.41
7.3.310.0190.00518.48
7.3.300.0190.00518.48
7.3.290.0200.00518.42
7.3.280.0190.00418.40
7.3.270.0180.00618.46
7.3.260.0190.00618.44
7.3.250.0190.00518.42
7.3.240.0190.00618.42
7.3.230.0190.00518.44
7.3.220.0210.00518.38
7.3.210.0200.00518.37
7.3.200.0200.00618.39
7.3.190.0200.00418.37
7.3.180.0190.00618.39
7.3.170.0180.00518.38
7.3.160.0190.00518.38
7.3.150.0190.00518.35
7.3.140.0180.00618.38
7.3.130.0180.00618.38
7.3.120.0170.00618.38
7.3.110.0190.00418.36
7.3.100.0170.00618.32
7.3.90.0180.00518.54
7.3.80.0190.00518.34
7.3.70.0190.00518.49
7.3.60.0190.00518.52
7.3.50.0180.00518.51
7.3.40.0170.00618.54
7.3.30.0180.00518.50
7.3.20.0200.00519.29
7.3.10.0230.00419.24
7.3.00.0190.00519.24

preferences:
58.7 ms | 1431 KiB | 5 Q