3v4l.org

run code in 300+ PHP versions simultaneously
<?php function iter() { static $x = 200; var_dump($x); foreach ([1, 2, 3] as $x) { var_dump($x); } } iter(); iter();

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)
8.3.40.0100.00618.69
8.3.30.0110.00418.80
8.3.20.0040.00420.28
8.3.10.0080.00023.66
8.3.00.0080.00019.12
8.2.170.0110.00422.96
8.2.160.0030.01020.53
8.2.150.0070.00024.18
8.2.140.0000.00824.66
8.2.130.0000.00826.16
8.2.120.0040.00420.35
8.2.110.0060.00322.23
8.2.100.0110.00019.45
8.2.90.0040.00418.95
8.2.80.0000.00917.97
8.2.70.0040.00417.38
8.2.60.0060.00317.91
8.2.50.0000.00818.07
8.2.40.0050.00319.94
8.2.30.0030.00518.18
8.2.20.0050.00317.62
8.2.10.0000.00717.86
8.2.00.0000.00717.66
8.1.270.0040.00422.19
8.1.260.0080.00026.35
8.1.250.0050.00328.09
8.1.240.0030.00623.91
8.1.230.0040.00719.09
8.1.220.0080.00017.74
8.1.210.0000.00818.77
8.1.200.0000.00917.10
8.1.190.0000.00817.23
8.1.180.0040.00419.01
8.1.170.0000.00918.57
8.1.160.0000.00721.90
8.1.150.0040.00418.54
8.1.140.0000.00717.44
8.1.130.0070.00017.68
8.1.120.0040.00417.32
8.1.110.0000.00817.29
8.1.100.0050.00317.26
8.1.90.0000.00717.31
8.1.80.0040.00417.30
8.1.70.0000.00717.25
8.1.60.0060.00317.52
8.1.50.0040.00417.33
8.1.40.0040.00417.35
8.1.30.0040.00417.51
8.1.20.0000.00717.62
8.1.10.0000.00817.42
8.1.00.0040.00417.27
8.0.300.0020.00518.77
8.0.290.0070.00017.05
8.0.280.0030.00318.32
8.0.270.0070.00017.17
8.0.260.0000.00717.16
8.0.250.0030.00316.91
8.0.240.0040.00416.95
8.0.230.0030.00316.96
8.0.220.0060.00016.89
8.0.210.0030.00316.91
8.0.200.0000.00616.81
8.0.190.0000.00816.82
8.0.180.0040.00416.88
8.0.170.0000.00816.91
8.0.160.0000.00716.75
8.0.150.0000.00716.93
8.0.140.0040.00416.75
8.0.130.0030.00313.31
8.0.120.0040.00416.88
8.0.110.0000.00716.89
8.0.100.0000.00916.76
8.0.90.0040.00416.87
8.0.80.0030.01716.91
8.0.70.0040.00416.90
8.0.60.0040.00416.93
8.0.50.0000.00716.91
8.0.30.0080.01116.94
8.0.20.0080.01217.40
8.0.10.0000.00816.98
8.0.00.0120.00616.67
7.4.330.0040.00415.00
7.4.320.0000.00616.55
7.4.300.0000.00616.54
7.4.290.0000.00716.36
7.4.280.0060.00516.50
7.4.270.0040.00416.54
7.4.260.0000.00716.45
7.4.250.0060.00316.38
7.4.240.0020.00516.51
7.4.230.0040.00416.53
7.4.220.0140.00716.46
7.4.210.0100.00616.51
7.4.200.0070.00016.42
7.4.190.0040.00416.63
7.4.160.0120.00416.61
7.4.150.0040.01317.40
7.4.140.0130.00717.86
7.4.130.0100.00816.57
7.4.120.0090.00816.43
7.4.110.0030.01316.29
7.4.100.0030.01416.29
7.4.90.0000.01816.53
7.4.80.0100.01319.39
7.4.70.0120.00416.48
7.4.60.0130.00316.32
7.4.50.0030.00616.32
7.4.40.0120.00816.25
7.4.30.0090.00616.51
7.4.00.0070.01015.01
7.3.330.0000.00613.02
7.3.320.0000.00513.09
7.3.310.0030.00316.22
7.3.300.0030.00316.34
7.3.290.0200.00016.21
7.3.280.0080.00916.31
7.3.270.0070.01017.40
7.3.260.0040.01416.45
7.3.250.0080.01316.38
7.3.240.0100.00716.35
7.3.230.0030.01616.42
7.3.210.0080.00916.17
7.3.200.0100.01019.39
7.3.190.0070.01016.44
7.3.180.0060.00916.42
7.3.170.0120.00416.36
7.3.160.0090.00616.42
7.3.120.0000.01414.71
7.2.330.0100.00716.37
7.2.320.0110.00616.45
7.2.310.0120.00916.72
7.2.300.0050.01116.62
7.2.290.0120.00916.34
7.2.00.0030.01019.41
7.1.100.0080.00318.09
7.1.70.0000.00816.88
7.1.60.0100.01419.46
7.1.50.0180.00916.54
7.1.00.0100.07022.37
7.0.200.0020.00516.77
7.0.140.0000.07722.10
7.0.60.0130.04020.01
7.0.50.0030.04017.84
7.0.40.0070.05020.25
7.0.30.0230.07720.09
7.0.20.0200.05320.07
7.0.10.0170.07320.23
7.0.00.0030.08320.12
5.6.280.0030.07021.07
5.6.210.0030.05320.67
5.6.200.0030.04018.16
5.6.190.0070.05020.58
5.6.180.0200.03320.55
5.6.170.0400.06320.53
5.6.160.0070.08720.48
5.6.150.0030.08718.18
5.6.140.0000.09018.21
5.6.130.0030.07318.19
5.6.120.0070.07320.90
5.6.110.0070.05021.08
5.6.100.0100.04021.12
5.6.90.0100.08021.00
5.6.80.0000.08020.49
5.5.350.3930.04320.46
5.5.340.0030.04017.99
5.5.330.0000.04720.42
5.5.320.0330.06720.32
5.5.310.0430.07020.51
5.5.300.0100.04317.98
5.5.290.0070.06017.95
5.5.280.0070.04720.90
5.5.270.0070.05320.76
5.5.260.0070.08320.77
5.5.250.0000.06720.62
5.5.240.0100.06720.16
5.4.450.0670.06019.27
5.4.440.0870.05719.26
5.4.430.0100.08019.43
5.4.420.0970.07719.58
5.4.410.0200.05719.31
5.4.400.0800.05719.20
5.4.390.1100.06319.15
5.4.380.0170.05018.81
5.4.370.0000.06318.85
5.4.360.0130.05018.63
5.4.350.0130.05318.80
5.4.340.0130.05318.59
5.4.320.0070.03612.50
5.4.310.0070.04112.50
5.4.300.0090.05012.50
5.4.290.0100.05212.50
5.4.280.0060.05312.40
5.4.270.0090.04912.40
5.4.260.0050.05612.39
5.4.250.0080.05612.40
5.4.240.0060.05512.40
5.4.230.0130.05112.39
5.4.220.0060.05512.39
5.4.210.0060.05312.39
5.4.200.0100.05112.39
5.4.190.0050.05512.38
5.4.180.0070.05312.38
5.4.170.0090.05112.39
5.4.160.0120.04512.39
5.4.150.0080.04912.39
5.4.140.0070.05312.07
5.4.130.0070.04912.06
5.4.120.0100.04912.02
5.4.110.0100.04812.01
5.4.100.0100.04612.01
5.4.90.0080.05312.02
5.4.80.0070.06212.01
5.4.70.0090.05112.00
5.4.60.0120.04512.01
5.4.50.0090.05112.01
5.4.40.0070.04811.99
5.4.30.0100.04711.99
5.4.20.0140.04811.99
5.4.10.0060.05312.00
5.4.00.0070.05111.48
5.3.290.0100.04012.80
5.3.280.0110.05012.71
5.3.270.0090.05512.72
5.3.260.0120.05512.72
5.3.250.0060.05712.72
5.3.240.0110.06512.72
5.3.230.0170.05712.71
5.3.220.0100.06012.68
5.3.210.0050.04312.68
5.3.200.0100.04312.68
5.3.190.0070.04412.68
5.3.180.0080.03612.67
5.3.170.0070.03612.67
5.3.160.0110.03312.67
5.3.150.0070.04512.67
5.3.140.0060.04312.66
5.3.130.0070.04112.66
5.3.120.0070.04212.66
5.3.110.0090.04012.66
5.3.100.0110.04612.13
5.3.90.0100.04412.11
5.3.80.0080.03412.09
5.3.70.0090.03412.09
5.3.60.0060.03912.09
5.3.50.0110.04112.02
5.3.40.0090.05212.02
5.3.30.0140.04611.98
5.3.20.0080.04411.77
5.3.10.0090.03611.73
5.3.00.0050.04811.71
5.2.170.0060.0349.22
5.2.160.0070.0299.22
5.2.150.0040.0359.21
5.2.140.0040.0349.21
5.2.130.0060.0359.17
5.2.120.0080.0409.17
5.2.110.0090.0429.18
5.2.100.0050.0519.18
5.2.90.0060.0459.18
5.2.80.0090.0589.18
5.2.70.0060.0419.17
5.2.60.0070.0349.12
5.2.50.0060.0309.10
5.2.40.0050.0299.07
5.2.30.0040.0319.05
5.2.20.0070.0379.04
5.2.10.0050.0378.95
5.2.00.0090.0368.80
5.1.60.0060.0338.09
5.1.50.0080.0308.09
5.1.40.0070.0358.07
5.1.30.0050.0408.42
5.1.20.0030.0278.44
5.1.10.0070.0248.16
5.1.00.0040.0298.16
5.0.50.0050.0206.64
5.0.40.0080.0186.50
5.0.30.0040.0456.31
5.0.20.0050.0256.28
5.0.10.0040.0286.26
5.0.00.0030.0416.26
4.4.90.0030.0194.78
4.4.80.0030.0204.76
4.4.70.0030.0154.75
4.4.60.0040.0144.75
4.4.50.0030.0164.77
4.4.40.0060.0234.71
4.4.30.0050.0164.76
4.4.20.0070.0214.85
4.4.10.0040.0274.84
4.4.00.0040.0374.75
4.3.110.0020.0244.67
4.3.100.0050.0164.67
4.3.90.0070.0364.63
4.3.80.0040.0384.58
4.3.70.0040.0254.63
4.3.60.0050.0234.63
4.3.50.0060.0244.62
4.3.40.0040.0404.53
4.3.30.0030.0243.30
4.3.20.0040.0233.28
4.3.10.0040.0203.25
4.3.00.0100.0237.56

preferences:
38.67 ms | 400 KiB | 5 Q