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)
8.3.60.0090.00616.63
8.3.50.0140.00521.19
8.3.40.0000.01418.59
8.3.30.0100.00718.62
8.3.20.0000.00819.95
8.3.10.0070.00021.72
8.3.00.0060.00323.65
8.2.180.0140.00718.29
8.2.170.0150.00619.08
8.2.160.0070.01422.96
8.2.150.0040.00425.66
8.2.140.0050.00324.66
8.2.130.0070.00019.85
8.2.120.0000.00726.35
8.2.110.0100.00019.37
8.2.100.0040.00817.93
8.2.90.0040.00419.18
8.2.80.0060.00318.04
8.2.70.0030.00617.50
8.2.60.0080.00017.93
8.2.50.0050.00318.07
8.2.40.0000.00822.36
8.2.30.0080.00020.61
8.2.20.0000.00817.77
8.2.10.0030.00518.16
8.2.00.0040.00418.09
8.1.280.0130.00625.92
8.1.270.0060.00323.85
8.1.260.0050.00328.09
8.1.250.0080.00028.09
8.1.240.0060.00319.15
8.1.230.0060.00619.23
8.1.220.0040.00417.74
8.1.210.0030.00518.77
8.1.200.0080.00017.23
8.1.190.0000.00817.13
8.1.180.0070.00018.10
8.1.170.0040.00418.46
8.1.160.0030.00320.70
8.1.150.0030.00518.85
8.1.140.0040.00419.37
8.1.130.0000.00717.68
8.1.120.0040.00417.41
8.1.110.0030.00517.38
8.1.100.0070.00017.40
8.1.90.0040.00417.39
8.1.80.0040.00417.37
8.1.70.0030.00317.31
8.1.60.0050.00517.42
8.1.50.0000.00817.32
8.1.40.0000.00817.39
8.1.30.0030.00517.53
8.1.20.0040.00417.61
8.1.10.0000.00817.41
8.1.00.0000.00817.42
8.0.300.0070.00318.77
8.0.290.0040.00416.88
8.0.280.0000.00718.30
8.0.270.0000.00717.22
8.0.260.0030.00317.10
8.0.250.0040.00416.98
8.0.240.0030.00317.04
8.0.230.0070.00016.83
8.0.220.0050.00316.91
8.0.210.0040.00416.88
8.0.200.0030.00316.90
8.0.190.0070.00316.95
8.0.180.0040.00416.86
8.0.170.0080.00316.92
8.0.160.0030.00416.87
8.0.150.0070.00016.77
8.0.140.0000.00716.87
8.0.130.0050.00013.25
8.0.120.0050.00316.75
8.0.110.0030.00416.78
8.0.100.0050.00316.91
8.0.90.0000.00716.94
8.0.80.0070.01316.85
8.0.70.0030.00516.66
8.0.60.0000.00716.88
8.0.50.0040.00416.75
8.0.30.0080.00817.07
8.0.20.0060.01117.40
8.0.10.0020.00516.86
8.0.00.0110.01016.78
7.4.330.0000.00516.83
7.4.320.0000.00616.52
7.4.300.0060.00016.54
7.4.290.0070.00016.42
7.4.280.0030.00716.52
7.4.270.0060.00016.47
7.4.260.0030.00316.31
7.4.250.0000.00716.38
7.4.240.0020.00516.41
7.4.230.0000.00716.17
7.4.220.0060.01316.42
7.4.210.0060.00616.54
7.4.200.0000.00716.51
7.4.160.0160.00016.29
7.4.150.0090.00917.40
7.4.140.0100.00817.86
7.4.130.0110.00716.49
7.4.120.0110.00616.54
7.4.110.0140.00416.36
7.4.100.0070.01016.22
7.4.90.0100.00716.32
7.4.80.0060.01219.39
7.4.70.0070.01316.34
7.4.60.0060.01016.39
7.4.50.0070.01116.40
7.4.40.0090.01516.55
7.4.30.0130.00716.57
7.4.00.0090.00614.84
7.3.330.0000.00613.16
7.3.320.0030.00312.99
7.3.310.0030.00316.21
7.3.300.0030.00316.24
7.3.290.0120.00316.24
7.3.280.0080.01016.24
7.3.270.0080.00817.40
7.3.260.0060.01016.13
7.3.250.0060.01316.42
7.3.240.0140.00716.25
7.3.230.0060.01016.39
7.3.210.0100.00716.41
7.3.200.0090.00919.39
7.3.190.0050.01116.30
7.3.180.0070.01116.46
7.3.170.0060.00916.29
7.3.160.0110.00516.30
7.2.330.0070.01016.45
7.2.320.0090.01316.53
7.2.310.0090.01216.50
7.2.300.0060.01016.64
7.2.290.0090.00916.29
7.2.60.0120.00316.94
7.2.00.0070.00319.31
7.1.200.0120.00015.90
7.1.100.0030.00618.24
7.1.70.0050.00317.13
7.1.60.0140.00319.21
7.1.50.0160.01016.79
7.1.00.0000.08022.30
7.0.200.0040.00716.41
7.0.60.0100.04021.88
7.0.50.0070.05017.80
7.0.40.0170.08020.30
7.0.30.0530.06720.21
7.0.20.0370.05320.33
7.0.10.0130.08020.02
7.0.00.0030.08720.29
5.6.280.0030.03021.12
5.6.210.0030.08020.55
5.6.200.0030.08718.13
5.6.190.0100.08020.68
5.6.180.0300.08320.39
5.6.170.0370.03320.50
5.6.160.0070.08720.48
5.6.150.0000.05018.11
5.6.140.0130.05018.18
5.6.130.0130.07318.22
5.6.120.0000.05020.98
5.6.110.0130.08020.96
5.6.100.0100.05721.02
5.6.90.0030.09021.05
5.6.80.0070.08320.39
5.5.350.0100.08020.51
5.5.340.0070.05317.91
5.5.330.0100.08320.28
5.5.320.0500.05020.29
5.5.310.0200.07720.50
5.5.300.0070.03717.93
5.5.290.0070.05717.87
5.5.280.0070.09020.88
5.5.270.0100.08020.63
5.5.260.0130.05020.86
5.5.250.0130.08020.79
5.5.240.0200.07020.23

preferences:
47.08 ms | 401 KiB | 5 Q