3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 5; $b = null; unset($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)
8.3.60.0120.00318.24
8.3.50.0120.00821.09
8.3.40.0110.00418.62
8.3.30.0150.00418.58
8.3.20.0070.00020.18
8.3.10.0040.00421.73
8.3.00.0020.00523.61
8.2.180.0100.01016.63
8.2.170.0170.00322.96
8.2.160.0130.00020.35
8.2.150.0000.00724.18
8.2.140.0000.00824.66
8.2.130.0080.00019.54
8.2.120.0040.00426.35
8.2.110.0030.00722.31
8.2.100.0070.00317.72
8.2.90.0000.00817.62
8.2.80.0040.00418.61
8.2.70.0030.00519.27
8.2.60.0090.00317.50
8.2.50.0050.00317.40
8.2.40.0060.00317.62
8.2.30.0000.00717.68
8.2.20.0000.00717.48
8.2.10.0040.00417.92
8.2.00.0000.00718.03
8.1.280.0100.00325.92
8.1.270.0000.00823.80
8.1.260.0000.00828.09
8.1.250.0000.00728.09
8.1.240.0030.00620.70
8.1.230.0060.00617.70
8.1.220.0050.00217.74
8.1.210.0060.00318.77
8.1.200.0000.01017.35
8.1.190.0040.00417.22
8.1.180.0000.00918.10
8.1.170.0070.00017.62
8.1.160.0030.00518.69
8.1.150.0040.00418.81
8.1.140.0080.00019.48
8.1.130.0000.00717.62
8.1.120.0000.00717.37
8.1.110.0070.00017.27
8.1.100.0040.00417.27
8.1.90.0040.00417.30
8.1.80.0040.00417.40
8.1.70.0040.00417.40
8.1.60.0060.00317.55
8.1.50.0050.00317.33
8.1.40.0000.00917.45
8.1.30.0040.00417.62
8.1.20.0040.00417.57
8.1.10.0000.00717.45
8.1.00.0060.00617.40
8.0.300.0080.00018.77
8.0.290.0030.00616.63
8.0.280.0070.00017.80
8.0.270.0030.00517.89
8.0.260.0000.00617.19
8.0.250.0000.00716.92
8.0.240.0000.00716.87
8.0.230.0030.00316.76
8.0.220.0030.00316.74
8.0.210.0000.00816.87
8.0.200.0000.00616.79
8.0.190.0000.00816.84
8.0.180.0070.00016.80
8.0.170.0040.00416.73
8.0.160.0040.00416.85
8.0.150.0070.00016.65
8.0.140.0070.00016.61
8.0.130.0000.00513.27
8.0.120.0030.00616.79
8.0.110.0040.00416.75
8.0.100.0050.00216.64
8.0.90.0020.00516.79
8.0.80.0000.01416.86
8.0.70.0030.00616.87
8.0.60.0070.00016.64
8.0.50.0000.00716.76
8.0.30.0100.00617.15
8.0.20.0170.00717.40
8.0.10.0050.00216.81
8.0.00.0080.01216.71
7.4.330.0000.00516.73
7.4.320.0000.00616.34
7.4.300.0030.00716.46
7.4.290.0000.00716.44
7.4.280.0030.00616.50
7.4.270.0020.00516.41
7.4.260.0070.00016.40
7.4.250.0000.00816.38
7.4.240.0030.00316.53
7.4.230.0030.00316.42
7.4.220.0180.00616.64
7.4.210.0090.00816.49
7.4.200.0000.00716.33
7.4.160.0160.00016.30
7.4.150.0080.01117.40
7.4.140.0110.01117.86
7.4.130.0080.00816.29
7.4.120.0130.00316.46
7.4.110.0030.01416.55
7.4.100.0030.01716.50
7.4.90.0060.01216.38
7.4.80.0030.01519.39
7.4.70.0060.00916.29
7.4.60.0060.01116.40
7.4.50.0040.00816.33
7.4.40.0000.01616.53
7.4.30.0140.00316.33
7.4.00.0040.00814.96
7.3.330.0020.00213.04
7.3.320.0050.00012.86
7.3.310.0000.00616.00
7.3.300.0000.00716.06
7.3.290.0030.00316.03
7.3.280.0060.01016.14
7.3.270.0070.01417.40
7.3.260.0130.00416.38
7.3.250.0090.00916.18
7.3.240.0070.01116.12
7.3.230.0070.01016.39
7.3.210.0030.01416.09
7.3.200.0050.01319.39
7.3.190.0060.01216.26
7.3.180.0100.01016.11
7.3.170.0090.01216.36
7.3.160.0100.00716.43
7.3.10.0030.00816.41
7.3.00.0070.00716.36
7.2.330.0150.00916.22
7.2.320.0000.01616.50
7.2.310.0120.00416.28
7.2.300.0040.01216.44
7.2.290.0090.00916.42
7.2.130.0040.01116.72
7.2.120.0050.00816.50
7.2.110.0050.00516.64
7.2.100.0080.00616.69
7.2.90.0110.00516.46
7.2.80.0000.01216.42
7.2.70.0070.00616.52
7.2.60.0030.01216.49
7.2.50.0050.00816.61
7.2.40.0100.00116.66
7.2.30.0030.00816.71
7.2.20.0030.00816.43
7.2.10.0050.00916.72
7.2.00.0030.01117.47
7.1.250.0020.00815.57
7.1.100.0030.01318.14
7.1.70.0030.01217.10
7.1.60.0120.00919.30
7.1.50.0040.01116.88
7.1.00.0030.07722.45
7.0.200.0080.00016.69
7.0.60.0130.09321.88
7.0.50.0030.07717.82
7.0.40.0000.05020.03
7.0.30.0200.06720.18
7.0.20.0270.05020.32
7.0.10.0100.08720.30
7.0.00.0100.06320.20
5.6.280.0030.03020.77
5.6.210.0130.07020.66
5.6.200.0000.09318.17
5.6.190.0070.07320.45
5.6.180.0530.04020.31
5.6.170.0270.07320.33
5.6.160.0070.07720.43
5.6.150.0270.03018.12
5.6.140.0070.06718.11
5.6.130.0130.03018.11
5.6.120.0030.09021.13
5.6.110.0170.07720.97
5.6.100.0070.05320.97
5.6.90.0070.06321.00
5.6.80.0100.07320.47
5.5.350.0270.07320.36
5.5.340.0000.06317.89
5.5.330.0130.07320.06
5.5.320.0330.04720.14
5.5.310.0170.04320.12
5.5.300.0070.05317.98
5.5.290.0100.07717.92
5.5.280.0030.08720.68
5.5.270.0130.06720.87
5.5.260.0130.08020.83
5.5.250.0000.04320.59
5.5.240.0170.07320.05

preferences:
31.84 ms | 401 KiB | 5 Q