3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace a; a(); function a() { function b() { echo 'b'; } b(); }

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)
8.3.60.0070.01016.50
8.3.50.0100.01321.92
8.3.40.0100.01018.55
8.3.30.0040.01118.65
8.3.20.0070.00020.16
8.3.10.0070.00023.71
8.3.00.0060.00319.85
8.2.180.0150.00018.41
8.2.170.0130.00722.96
8.2.160.0040.01120.34
8.2.150.0000.00824.18
8.2.140.0000.00724.66
8.2.130.0000.00920.53
8.2.120.0080.00026.35
8.2.110.0090.00020.54
8.2.100.0070.00417.91
8.2.90.0000.00819.27
8.2.80.0080.00017.97
8.2.70.0000.00817.50
8.2.60.0030.00617.80
8.2.50.0040.00418.07
8.2.40.0000.00821.02
8.2.30.0000.00720.68
8.2.20.0040.00417.67
8.2.10.0000.00717.89
8.2.00.0070.00017.97
8.1.280.0120.00325.92
8.1.270.0000.00823.91
8.1.260.0000.00728.09
8.1.250.0080.00028.09
8.1.240.0000.00822.02
8.1.230.0050.00519.00
8.1.220.0050.00317.74
8.1.210.0050.00318.77
8.1.200.0070.00317.22
8.1.190.0020.00517.57
8.1.180.0000.00718.10
8.1.170.0080.00018.52
8.1.160.0070.00022.02
8.1.150.0030.00518.73
8.1.140.0080.00019.48
8.1.130.0080.00017.57
8.1.120.0040.00417.44
8.1.110.0000.00717.34
8.1.100.0040.00417.24
8.1.90.0080.00017.23
8.1.80.0040.00417.32
8.1.70.0000.00817.34
8.1.60.0000.00717.57
8.1.50.0050.00517.44
8.1.40.0030.00617.48
8.1.30.0050.00317.65
8.1.20.0040.00417.57
8.1.10.0030.00517.37
8.1.00.0040.00417.23
8.0.300.0040.00418.77
8.0.290.0040.00416.63
8.0.280.0000.00718.40
8.0.270.0030.00317.04
8.0.260.0000.00717.10
8.0.250.0030.00516.95
8.0.240.0070.00016.93
8.0.230.0000.00716.77
8.0.220.0050.00316.71
8.0.210.0000.00716.75
8.0.200.0000.00616.79
8.0.190.0030.00516.80
8.0.180.0040.00416.73
8.0.170.0000.00716.73
8.0.160.0040.00416.68
8.0.150.0040.00416.80
8.0.140.0000.00816.68
8.0.130.0030.00313.13
8.0.120.0040.00416.82
8.0.110.0000.00716.83
8.0.100.0000.00816.71
8.0.90.0070.00016.79
8.0.80.0100.00716.84
8.0.70.0000.00816.69
8.0.60.0070.00016.72
8.0.50.0000.00716.68
8.0.30.0140.00516.94
8.0.20.0100.00917.40
8.0.10.0070.00016.99
8.0.00.0100.00816.59
7.4.330.0050.00016.84
7.4.320.0070.00016.44
7.4.300.0000.00616.44
7.4.290.0020.00516.46
7.4.280.0030.00616.53
7.4.270.0060.00316.55
7.4.260.0030.00316.52
7.4.250.0000.00716.41
7.4.240.0040.00316.41
7.4.230.0030.00316.50
7.4.220.0100.01616.56
7.4.210.0080.00816.56
7.4.200.0030.00316.41
7.4.160.0040.01216.46
7.4.150.0090.01617.40
7.4.140.0060.01217.86
7.4.130.0130.01016.47
7.4.120.0100.00716.49
7.4.110.0130.00316.36
7.4.100.0070.01116.58
7.4.90.0070.01116.58
7.4.80.0090.00919.39
7.4.70.0100.00616.49
7.4.60.0090.00916.44
7.4.50.0070.00516.31
7.4.40.0130.00316.47
7.4.30.0080.00816.57
7.4.00.0110.00314.57
7.3.330.0050.00013.09
7.3.320.0020.00213.19
7.3.310.0000.00716.26
7.3.300.0030.00316.09
7.3.290.0000.00716.13
7.3.280.0070.01216.22
7.3.270.0140.00317.40
7.3.260.0120.01316.17
7.3.250.0110.00616.34
7.3.240.0090.00916.39
7.3.230.0080.00816.39
7.3.210.0030.01316.17
7.3.200.0060.00916.25
7.3.190.0120.00316.45
7.3.180.0060.00916.30
7.3.170.0060.01016.27
7.3.160.0030.01416.52
7.2.330.0090.00916.47
7.2.320.0030.00816.25
7.2.310.0070.01016.42
7.2.300.0030.01516.67
7.2.290.0120.00816.36
7.2.60.0100.00616.93
7.2.00.0070.01118.80
7.1.200.0030.01015.77
7.1.100.0030.01018.03
7.1.70.0070.00317.11
7.1.60.0110.01419.50
7.1.50.0040.00716.67
7.1.00.0070.07322.42
7.0.200.0000.00716.38
7.0.60.0130.03720.06
7.0.50.0000.08017.87
7.0.40.0170.05720.18
7.0.30.0370.04020.26
7.0.20.0270.06320.30
7.0.10.0030.05020.23
7.0.00.0000.09020.32
5.6.280.0030.03320.90
5.6.210.0100.07020.65
5.6.200.0030.05718.26
5.6.190.0100.05320.69
5.6.180.0470.07020.49
5.6.170.0200.05320.48
5.6.160.0000.05020.54
5.6.150.0030.08318.27
5.6.140.0130.07718.28
5.6.130.0100.04318.29
5.6.120.0070.05721.05
5.6.110.0130.07320.96
5.6.100.0100.07720.96
5.6.90.0130.07720.96
5.6.80.0100.07720.30
5.5.350.0370.07020.53
5.5.340.0070.03718.05
5.5.330.0170.07320.40
5.5.320.0100.08320.30
5.5.310.0400.06320.34
5.5.300.0030.05717.96
5.5.290.0130.03318.03
5.5.280.0030.04320.84
5.5.270.0070.06320.77
5.5.260.0030.08720.89
5.5.250.0100.08020.71
5.5.240.0170.04020.24

preferences:
41.16 ms | 401 KiB | 5 Q