3v4l.org

run code in 300+ PHP versions simultaneously
<?php $len=\x10\x00\x00\x00; $len = unpack("V", $len); print $len ?>

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)
8.3.60.0110.00416.63
8.3.50.0090.00616.36
8.3.40.0070.00718.53
8.3.30.0200.00018.84
8.3.20.0040.00420.34
8.3.10.0080.00021.88
8.3.00.0040.00423.52
8.2.180.0120.00918.54
8.2.170.0070.00718.91
8.2.160.0100.00722.96
8.2.150.0000.00825.66
8.2.140.0080.00024.66
8.2.130.0090.00019.82
8.2.120.0040.00426.35
8.2.110.0100.01020.53
8.2.100.0110.00017.72
8.2.90.0040.00419.25
8.2.80.0000.00818.04
8.2.70.0060.00317.59
8.2.60.0060.00317.98
8.2.50.0040.00418.07
8.2.40.0050.00322.14
8.2.30.0040.00420.55
8.2.20.0060.00317.62
8.2.10.0000.00818.08
8.2.00.0000.00717.93
8.1.280.0120.00625.92
8.1.270.0080.00323.92
8.1.260.0000.00828.09
8.1.250.0040.00428.09
8.1.240.0060.00323.92
8.1.230.0070.00320.85
8.1.220.0030.00617.74
8.1.210.0030.00518.77
8.1.200.0090.00017.25
8.1.190.0040.00417.10
8.1.180.0040.00418.10
8.1.170.0000.00918.64
8.1.160.0070.00020.57
8.1.150.0040.00418.82
8.1.140.0040.00419.52
8.1.130.0070.00017.65
8.1.120.0040.00417.42
8.1.110.0040.00417.34
8.1.100.0050.00217.39
8.1.90.0000.00817.34
8.1.80.0040.00417.42
8.1.70.0000.00717.37
8.1.60.0080.00317.41
8.1.50.0040.00417.38
8.1.40.0000.00817.33
8.1.30.0050.00317.50
8.1.20.0040.00417.53
8.1.10.0000.00717.52
8.1.00.0080.00017.49
8.0.300.0050.00318.77
8.0.290.0070.00016.63
8.0.280.0030.00318.44
8.0.270.0050.00217.19
8.0.260.0000.00617.29
8.0.250.0030.00317.07
8.0.240.0080.00016.99
8.0.230.0040.00417.04
8.0.220.0000.00816.92
8.0.210.0000.00716.94
8.0.200.0000.00717.07
8.0.190.0040.00416.98
8.0.180.0050.00216.95
8.0.170.0000.00916.95
8.0.160.0000.00716.94
8.0.150.0070.00016.86
8.0.140.0000.00716.93
8.0.130.0050.00013.39
8.0.120.0040.00416.96
8.0.110.0040.00416.87
8.0.100.0040.00417.00
8.0.90.0040.00416.89
8.0.80.0100.00616.99
8.0.70.0050.00316.95
8.0.60.0000.00716.95
8.0.50.0000.00816.96
8.0.30.0120.00717.17
8.0.20.0100.01017.40
8.0.10.0050.00316.80
8.0.00.0060.01116.75
7.4.330.0020.00216.69
7.4.320.0030.00316.45
7.4.300.0060.00016.54
7.4.290.0000.00716.54
7.4.280.0060.00316.36
7.4.270.0000.00716.54
7.4.260.0040.00416.30
7.4.250.0080.00016.51
7.4.240.0000.00716.49
7.4.230.0070.00016.28
7.4.220.0100.01016.56
7.4.210.0050.00816.51
7.4.200.0040.00416.43
7.4.160.0120.00316.54
7.4.150.0140.00317.40
7.4.140.0100.00917.86
7.4.130.0080.01016.51
7.4.120.0100.00816.58
7.4.110.0070.01016.56
7.4.100.0000.01716.52
7.4.90.0070.01816.43
7.4.80.0100.00719.39
7.4.70.0070.01016.52
7.4.60.0120.01216.37
7.4.50.0120.00516.59
7.4.40.0120.01216.46
7.4.30.0100.01016.58
7.4.00.0000.01215.10
7.3.330.0020.00513.15
7.3.320.0020.00213.01
7.3.310.0060.00016.16
7.3.300.0060.00016.28
7.3.290.0040.00416.28
7.3.280.0050.01016.28
7.3.270.0120.00617.40
7.3.260.0130.00416.35
7.3.250.0130.00716.39
7.3.240.0070.00916.39
7.3.230.0150.00816.39
7.3.210.0130.00316.42
7.3.200.0070.01019.39
7.3.190.0060.01216.54
7.3.180.0070.01016.47
7.3.170.0160.00016.36
7.3.160.0080.00816.39
7.2.330.0060.01216.48
7.2.320.0100.00716.56
7.2.310.0030.01816.31
7.2.300.0030.01316.47
7.2.290.0060.00916.48
7.2.60.0030.01016.46
7.2.00.0030.00919.40
7.1.200.0030.01015.73
7.1.100.0060.00617.94
7.1.70.0080.00317.09
7.1.60.0130.00319.21
7.1.50.0130.01316.93
7.1.00.0000.08022.28
7.0.200.0080.00316.85
7.0.60.0000.03321.63
7.0.50.0170.07017.77
7.0.40.0030.06019.96
7.0.30.0300.06020.30
7.0.20.0400.07320.09
7.0.10.0130.06320.17
7.0.00.0000.04320.09
5.6.280.0000.03320.86
5.6.210.0100.05020.70
5.6.200.0170.07718.22
5.6.190.0100.04320.64
5.6.180.0230.05320.35
5.6.170.0330.06320.38
5.6.160.0030.06320.41
5.6.150.0070.08318.13
5.6.140.0070.05018.16
5.6.130.0000.08718.11
5.6.120.0100.08021.11
5.6.110.0130.07720.88
5.6.100.0030.09021.12
5.6.90.0230.06721.02
5.6.80.0130.06720.52
5.5.350.0200.07020.45
5.5.340.0030.04018.00
5.5.330.0000.05020.46
5.5.320.0530.04320.20
5.5.310.0300.05020.31
5.5.300.0030.04017.89
5.5.290.0030.07317.98
5.5.280.0070.05320.63
5.5.270.0100.08020.60
5.5.260.0170.07320.86
5.5.250.0130.05320.70
5.5.240.0270.04320.15

preferences:
48.54 ms | 401 KiB | 5 Q