3v4l.org

run code in 300+ PHP versions simultaneously
<?php function GenerateKey($input) { return wordwrap($input, 4, '-', true); } echo GenerateKey('89E01E2E18753F636DA11532');

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)
8.5.30.0110.00619.60
8.5.20.0050.01320.20
8.5.10.0090.00819.43
8.5.00.0160.00919.80
8.4.180.0160.00519.63
8.4.170.0140.00823.56
8.4.160.0130.01023.87
8.4.150.0060.00416.83
8.4.140.0120.00917.37
8.4.130.0100.01017.71
8.4.120.0100.00920.49
8.4.110.0100.00919.02
8.4.100.0130.00817.56
8.4.90.0100.01018.70
8.4.80.0150.00517.71
8.4.70.0090.00617.69
8.4.60.0140.00618.43
8.4.50.0130.00717.75
8.4.40.0130.00317.46
8.4.30.0070.01323.80
8.4.20.0060.01319.41
8.4.10.0040.00419.24
8.3.300.0110.00922.73
8.3.290.0110.01020.78
8.3.280.0140.00520.65
8.3.270.0080.01116.34
8.3.260.0090.01116.65
8.3.250.0100.00818.79
8.3.240.0130.00718.36
8.3.230.0120.00816.41
8.3.220.0030.00517.04
8.3.210.0040.00316.43
8.3.200.0050.00616.65
8.3.190.0080.00718.91
8.3.180.0130.00718.29
8.3.170.0140.00416.94
8.3.160.0120.00618.84
8.3.150.0160.00317.11
8.3.140.0040.00416.63
8.3.130.0040.00416.71
8.3.120.0090.00920.58
8.3.110.0320.01116.45
8.3.100.0320.00716.52
8.3.90.0260.00816.56
8.3.80.0330.00816.32
8.3.70.0350.00916.32
8.3.60.0290.01116.48
8.3.50.0340.01216.45
8.3.40.0370.01217.36
8.3.30.0310.00617.33
8.3.20.0290.00117.26
8.3.10.0230.00417.21
8.3.00.0160.00918.23
8.2.300.0120.00822.21
8.2.290.0110.00922.17
8.2.280.0140.00518.51
8.2.270.0120.00616.67
8.2.260.0050.00316.46
8.2.250.0080.00016.24
8.2.240.0040.00417.23
8.2.230.0220.01316.39
8.2.220.0280.00516.50
8.2.210.0170.01116.38
8.2.200.0180.01116.48
8.2.190.0210.01316.29
8.2.180.0300.00416.36
8.2.170.0260.00917.49
8.2.160.0220.00917.57
8.2.150.0230.00917.41
8.2.140.0260.00517.49
8.2.130.0250.00617.31
8.2.120.0340.00517.53
8.2.110.0370.00417.34
8.2.100.0300.00817.41
8.2.90.0250.00517.33
8.2.80.0240.00517.15
8.2.70.0280.00317.23
8.2.60.0260.00217.46
8.2.50.0310.00417.31
8.2.40.0330.00517.36
8.2.30.0280.00917.09
8.2.20.0310.00717.36
8.2.10.0290.00917.06
8.2.00.0310.00917.17
8.1.340.0100.00917.48
8.1.330.0090.00922.01
8.1.320.0080.01116.11
8.1.310.0120.00616.61
8.1.300.0090.00618.48
8.1.290.0420.00416.18
8.1.280.0290.01016.18
8.1.270.0360.01117.01
8.1.260.0360.00217.14
8.1.250.0280.00517.18
8.1.240.0270.00717.19
8.1.230.0200.01217.15
8.1.220.0240.00617.20
8.1.210.0230.00817.07
8.1.200.0270.01017.08
8.1.190.0320.00716.87
8.1.180.0230.00516.88
8.1.170.0230.00417.21
8.1.160.0240.00317.04
8.1.150.0220.00616.95
8.1.140.0230.00416.93
8.1.130.0210.00617.02
8.1.120.0290.00817.07
8.1.110.0260.00817.08
8.1.100.0200.01217.06
8.1.90.0230.00917.11
8.1.80.0310.00717.02
8.1.70.0200.01417.19
8.1.60.0370.00417.32
8.1.50.0340.00617.17
8.1.40.0300.00917.25
8.1.30.0360.00417.47
8.1.20.0280.01217.36
8.1.10.0370.00617.24
8.1.00.0250.01417.10

preferences:
44.33 ms | 971 KiB | 5 Q