3v4l.org

run code in 300+ PHP versions simultaneously
<?php $goal = 'g'; function g($str = null){ echo "pwat"; $g = function ($str = null){ echo "pwet"; }; return $g; } return g()();

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)
8.3.60.0100.01018.39
8.3.50.0140.00721.99
8.3.40.0090.00618.48
8.3.30.0110.01119.23
8.3.20.0040.00420.34
8.3.10.0000.00823.71
8.3.00.0040.00417.78
8.2.180.0090.00618.29
8.2.170.0100.00722.96
8.2.160.0070.00720.52
8.2.150.0080.00024.18
8.2.140.0030.00624.66
8.2.130.0040.00426.16
8.2.120.0040.00421.04
8.2.110.0050.00522.13
8.2.100.0080.00417.55
8.2.90.0040.00419.28
8.2.80.0040.00417.97
8.2.70.0000.00817.50
8.2.60.0050.00317.90
8.2.50.0080.00018.07
8.2.40.0090.00018.16
8.2.30.0050.00418.11
8.2.20.0000.00717.68
8.2.10.0030.00518.10
8.2.00.0030.00517.75
8.1.280.0170.00025.92
8.1.270.0040.00423.88
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0000.00823.77
8.1.230.0070.00319.20
8.1.220.0060.00317.74
8.1.210.0030.00618.77
8.1.200.0060.00317.13
8.1.190.0040.00416.98
8.1.180.0030.00518.10
8.1.170.0040.00418.53
8.1.160.0050.00222.06
8.1.150.0000.01018.87
8.1.140.0000.00717.37
8.1.130.0000.00717.79
8.1.120.0040.00417.47
8.1.110.0040.00317.41
8.1.100.0000.00717.38
8.1.90.0000.00717.42
8.1.80.0040.00417.43
8.1.70.0030.00317.41
8.1.60.0030.00617.55
8.1.50.0050.00217.43
8.1.40.0000.00717.54
8.1.30.0000.00817.69
8.1.20.0000.00817.63
8.1.10.0070.00017.54
8.1.00.0000.00817.49
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0040.00418.37
8.0.270.0040.00417.15
8.0.260.0000.00817.15
8.0.250.0030.00416.93
8.0.240.0030.00316.87
8.0.230.0000.00716.88
8.0.220.0030.00316.85
8.0.210.0030.00316.79
8.0.200.0000.00616.86
8.0.190.0000.00716.86
8.0.180.0020.00516.95
8.0.170.0000.00816.73
8.0.160.0000.00716.86
8.0.150.0050.00316.80
8.0.140.0040.00416.81
8.0.130.0030.00313.35
8.0.120.0040.00416.87
8.0.110.0040.00416.85
8.0.100.0050.00216.78
8.0.90.0050.00216.85
8.0.80.0080.00816.84
8.0.70.0040.00416.75
8.0.60.0000.00716.95
8.0.50.0000.00716.68
8.0.30.0120.00717.00
8.0.20.0080.01117.40
8.0.10.0000.00717.01
8.0.00.0090.00916.70
7.4.330.0060.00015.09
7.4.320.0070.00016.45
7.4.300.0000.00716.51
7.4.290.0000.00716.39
7.4.280.0030.00516.52
7.4.270.0000.00816.51
7.4.260.0000.00716.43
7.4.250.0040.00416.45
7.4.240.0040.00416.57
7.4.230.0000.00716.69
7.4.220.0070.01016.55
7.4.210.0030.01316.42
7.4.200.0000.00716.40
7.4.160.0110.01116.57
7.4.150.0080.00817.40
7.4.140.0160.00317.86
7.4.130.0080.01016.51
7.4.120.0080.00816.49
7.4.110.0160.00616.49
7.4.100.0140.01016.62
7.4.90.0070.01016.38
7.4.80.0090.00919.39
7.4.70.0100.00716.39
7.4.60.0140.00416.62
7.4.50.0000.00416.32
7.4.40.0110.00616.41
7.4.30.0120.00416.30
7.4.00.0040.01214.84
7.3.330.0050.00013.22
7.3.320.0000.00513.09
7.3.310.0080.00016.28
7.3.300.0060.00016.27
7.3.290.0080.00616.32
7.3.280.0120.00416.22
7.3.270.0120.00617.40
7.3.260.0100.01016.63
7.3.250.0080.01116.32
7.3.240.0100.00616.36
7.3.230.0140.00416.48
7.3.210.0070.01016.43
7.3.200.0120.00919.39
7.3.190.0070.01316.23
7.3.180.0000.01616.49
7.3.170.0060.01216.54
7.3.160.0090.00616.57
7.3.120.0060.00914.85
7.2.330.0110.00716.76
7.2.320.0170.00016.70
7.2.310.0030.01416.72
7.2.300.0100.00716.70
7.2.290.0100.00716.55
7.2.60.0030.01216.71
7.2.50.0070.00716.86
7.2.00.0060.00919.10
7.1.200.0060.00915.75
7.1.70.0000.00717.22
7.1.60.0070.01619.70
7.1.50.0030.02016.94
7.1.00.0000.07322.37
7.0.200.0030.00316.40
7.0.140.0030.07322.19
7.0.60.0030.08319.96
7.0.50.0200.06717.87
7.0.40.0270.03320.11
7.0.30.0300.05320.25
7.0.20.0270.07720.22
7.0.10.0100.08320.07
7.0.00.0100.07720.25
5.6.280.0000.07720.93
5.6.210.0030.08320.73
5.6.200.0100.07718.23
5.6.190.0100.08020.52
5.6.180.0230.04020.62
5.6.170.0230.03720.40
5.6.160.0070.05720.54
5.6.150.0030.03718.15
5.6.140.0070.04718.23
5.6.130.0100.07718.18
5.6.120.0030.06021.01
5.6.110.0000.04321.00
5.6.100.0030.08720.96
5.6.90.0170.08020.86
5.6.80.0200.05020.38
5.6.70.4630.03320.39
5.5.350.0070.07020.31
5.5.340.0030.04318.04
5.5.330.0070.06720.25
5.5.320.0270.05020.19
5.5.310.0200.04720.28
5.5.300.0030.04017.93
5.5.290.0100.04317.98
5.5.280.0170.03320.81
5.5.270.0070.04720.88
5.5.260.0130.04020.65
5.5.250.0100.03720.71
5.5.240.0300.07720.36
5.4.450.0430.06019.20
5.4.440.0700.05319.45
5.4.430.0100.05719.21
5.4.420.0270.06319.52
5.4.410.0170.04718.74
5.4.400.0100.05718.81
5.4.390.0100.07318.73
5.4.380.0100.05718.73
5.4.370.0170.04018.60
5.4.360.0000.04318.47
5.4.350.0050.04212.04
5.4.340.0060.03412.03
5.4.320.0090.03812.52
5.4.310.0050.04112.52
5.4.300.0030.03812.52
5.4.290.0050.03812.52
5.4.280.0070.03712.42
5.4.270.0060.03912.41
5.4.260.0070.03612.42
5.4.250.0070.03512.41
5.4.240.0050.03612.41
5.4.230.0070.03712.41
5.4.220.0080.03412.41
5.4.210.0060.03512.41
5.4.200.0060.04012.41
5.4.190.0040.03812.41
5.4.180.0060.03512.40
5.4.170.0080.03412.41
5.4.160.0060.03612.40
5.4.150.0050.03712.40
5.4.140.0060.03812.09
5.4.130.0030.03812.07
5.4.120.0070.03412.04
5.4.110.0060.04312.04
5.4.100.0050.04112.04
5.4.90.0110.03612.04
5.4.80.0050.03812.04
5.4.70.0070.03212.03
5.4.60.0100.03212.03
5.4.50.0050.03912.03
5.4.40.0040.03612.02
5.4.30.0040.03712.01
5.4.20.0110.03412.02
5.4.10.0050.03612.01
5.4.00.0080.03711.51
5.3.290.0070.04412.80
5.3.280.0070.03612.71
5.3.270.0040.04012.73
5.3.260.0050.04212.72
5.3.250.0070.03712.72
5.3.240.0030.03912.72
5.3.230.0060.03712.71
5.3.220.0040.03812.68
5.3.210.0050.04012.68
5.3.200.0050.03812.68
5.3.190.0080.03612.68
5.3.180.0040.03712.68
5.3.170.0080.04512.67
5.3.160.0080.03412.67
5.3.150.0090.03612.67
5.3.140.0070.03512.66
5.3.130.0070.03812.66
5.3.120.0080.04112.66
5.3.110.0030.04212.66
5.3.100.0070.04112.13
5.3.90.0070.04112.11
5.3.80.0040.05012.10
5.3.70.0070.03612.11
5.3.60.0040.03812.08
5.3.50.0040.04812.03
5.3.40.0050.03812.03
5.3.30.0050.03611.99
5.3.20.0040.03711.77
5.3.10.0070.03711.73
5.3.00.0060.03611.72
5.2.170.0060.0309.21
5.2.160.0040.0309.21
5.2.150.0050.0309.22
5.2.140.0040.0319.21
5.2.130.0050.0299.18
5.2.120.0040.0309.17
5.2.110.0040.0319.18
5.2.100.0060.0359.18
5.2.90.0070.0309.18
5.2.80.0030.0329.18
5.2.70.0050.0309.17
5.2.60.0070.0359.13
5.2.50.0040.0309.09
5.2.40.0060.0329.07
5.2.30.0050.0309.05
5.2.20.0050.0289.04
5.2.10.0030.0308.94
5.2.00.0070.0268.80
5.1.60.0040.0328.09
5.1.50.0040.0248.08
5.1.40.0020.0268.07
5.1.30.0080.0228.41
5.1.20.0060.0258.43
5.1.10.0030.0278.17
5.1.00.0080.0228.17
5.0.50.0030.0216.64
5.0.40.0030.0196.50
5.0.30.0050.0376.31
5.0.20.0020.0216.28
5.0.10.0060.0176.27
5.0.00.0030.0316.26
4.4.90.0010.0184.78
4.4.80.0010.0164.76
4.4.70.0030.0154.75
4.4.60.0030.0184.75
4.4.50.0040.0144.77
4.4.40.0020.0264.71
4.4.30.0020.0164.76
4.4.20.0050.0134.85
4.4.10.0050.0154.85
4.4.00.0030.0244.76
4.3.110.0050.0184.67
4.3.100.0020.0174.66
4.3.90.0020.0154.63
4.3.80.0050.0274.59
4.3.70.0020.0154.63
4.3.60.0030.0144.63
4.3.50.0030.0154.63
4.3.40.0000.0264.54
4.3.30.0020.0153.30
4.3.20.0030.0143.28
4.3.10.0030.0173.24
4.3.00.0100.0237.14

preferences:
48.5 ms | 401 KiB | 5 Q