3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [1,2,3,4]; foreach($array AS &$value){ $value = $value; } var_dump($array);

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)
8.3.60.0130.00716.63
8.3.50.0160.00716.42
8.3.40.0110.01418.73
8.3.30.0100.01018.73
8.3.20.0080.00018.56
8.3.10.0080.00020.53
8.3.00.0060.00319.13
8.2.180.0110.01125.92
8.2.170.0140.00018.82
8.2.160.0100.00722.96
8.2.150.0040.00425.66
8.2.140.0080.00024.66
8.2.130.0030.01026.16
8.2.120.0080.00020.83
8.2.110.0030.00721.12
8.2.100.0070.00417.71
8.2.90.0030.00619.27
8.2.80.0050.00219.34
8.2.70.0000.00817.63
8.2.60.0070.00317.68
8.2.50.0090.00019.16
8.2.40.0000.00718.22
8.2.30.0000.01017.93
8.2.20.0050.00217.61
8.2.10.0000.00717.72
8.2.00.0000.00717.67
8.1.280.0080.00625.92
8.1.270.0000.00724.66
8.1.260.0000.00826.35
8.1.250.0000.00728.09
8.1.240.0050.00522.48
8.1.230.0060.00620.95
8.1.220.0060.00317.74
8.1.210.0000.00919.00
8.1.200.0030.00617.36
8.1.190.0060.00317.65
8.1.180.0080.00018.10
8.1.170.0000.00818.84
8.1.160.0040.00418.81
8.1.150.0000.00718.64
8.1.140.0080.00017.46
8.1.130.0030.00317.89
8.1.120.0050.00317.36
8.1.110.0070.00017.48
8.1.100.0040.00417.35
8.1.90.0070.00017.49
8.1.80.0030.00317.34
8.1.70.0070.00017.48
8.1.60.0000.00817.59
8.1.50.0060.00317.35
8.1.40.0040.00417.54
8.1.30.0040.00417.67
8.1.20.0000.00817.57
8.1.10.0050.00317.55
8.1.00.0000.00717.32
8.0.300.0040.00420.03
8.0.290.0070.00016.63
8.0.280.0000.00718.43
8.0.270.0030.00317.32
8.0.260.0030.00316.80
8.0.250.0050.00216.97
8.0.240.0040.00416.89
8.0.230.0000.00716.97
8.0.220.0040.00416.96
8.0.210.0000.00716.96
8.0.200.0060.00316.89
8.0.190.0040.00416.86
8.0.180.0070.00016.92
8.0.170.0040.00416.91
8.0.160.0000.00816.94
8.0.150.0000.00816.90
8.0.140.0070.00016.78
8.0.130.0000.00513.31
8.0.120.0000.00716.88
8.0.110.0070.00016.79
8.0.100.0030.00316.86
8.0.90.0040.00416.84
8.0.80.0130.00916.87
8.0.70.0070.00016.88
8.0.60.0000.00716.75
8.0.50.0040.00416.80
8.0.30.0140.00617.22
8.0.20.0120.00816.88
8.0.10.0070.00017.00
8.0.00.0050.01316.70
7.4.330.0050.00013.11
7.4.320.0040.00416.52
7.4.300.0000.00716.41
7.4.290.0060.00016.43
7.4.280.0000.00716.60
7.4.270.0000.00616.65
7.4.260.0030.00213.34
7.4.250.0000.00816.48
7.4.240.0040.00316.56
7.4.230.0030.00316.67
7.4.220.0130.00316.69
7.4.210.0080.00716.57
7.4.200.0040.00416.51
7.4.190.0030.00316.55
7.4.160.0120.00316.66
7.4.150.0120.00616.38
7.4.140.0120.00516.53
7.4.130.0080.01116.44
7.4.120.0090.00816.51
7.4.110.0150.00616.51
7.4.100.0040.01416.51
7.4.90.0140.00416.48
7.4.80.0080.01219.39
7.4.70.0170.00016.39
7.4.60.0060.01516.50
7.4.50.0050.00316.32
7.4.40.0030.01416.18
7.4.30.0120.00916.58
7.4.00.0060.01015.09
7.3.330.0040.00413.31
7.3.320.0030.00313.24
7.3.310.0030.00316.30
7.3.300.0030.00316.33
7.3.290.0080.01116.26
7.3.280.0070.01116.33
7.3.270.0140.00716.39
7.3.260.0090.00916.32
7.3.250.0170.00816.28
7.3.240.0120.00616.32
7.3.230.0090.00616.62
7.3.210.0070.01016.42
7.3.200.0030.01416.45
7.3.190.0140.00416.39
7.3.180.0140.00316.46
7.3.170.0090.00916.30
7.3.160.0000.01616.31
7.3.120.0090.00614.95
7.2.330.0170.00216.57
7.2.320.0100.01316.64
7.2.310.0160.00816.41
7.2.300.0060.01016.64
7.2.290.0130.00416.33
7.2.00.0000.01519.45
7.1.100.0030.01217.92
7.1.70.0100.00516.73
7.1.60.0120.01219.40
7.1.50.0070.01416.70
7.1.00.0030.07022.25
7.0.200.0070.00016.48
7.0.140.0100.06721.95
7.0.120.0000.06022.13
7.0.60.0470.05720.06
7.0.50.0070.03717.80
7.0.40.0070.04020.19
7.0.30.0100.07020.27
7.0.20.0100.04320.27
7.0.10.0000.05720.09
7.0.00.0100.08320.12
5.6.210.0100.06720.50
5.6.200.0030.04318.21
5.6.190.0070.04320.63
5.6.180.0130.07320.63
5.6.170.0100.03720.33
5.6.160.0100.08720.66
5.6.150.0070.04020.15
5.6.140.0170.07320.32
5.6.130.0070.09020.17
5.6.120.0030.06720.13
5.6.110.0170.07020.14
5.6.100.0070.08720.39
5.6.90.0000.05320.08
5.6.80.0070.04319.71
5.6.70.0170.05719.82
5.6.60.0030.07019.81
5.6.50.0130.07319.76
5.6.40.0070.04719.81
5.6.30.0070.07319.80
5.6.20.0000.08719.76
5.6.10.0000.04719.79
5.6.00.0030.04019.48
5.5.350.0030.07320.41
5.5.340.0170.05717.96
5.5.330.0070.05720.29
5.5.320.0030.04320.47
5.5.310.0070.08020.25
5.5.300.0070.04319.89
5.5.290.0100.06019.91
5.5.280.0030.07320.15
5.5.270.0070.04320.20
5.5.260.0130.04020.06
5.5.250.0030.05719.89
5.5.240.0100.08319.37
5.5.230.0030.07019.31
5.5.220.0030.04319.49
5.5.210.0070.06719.28
5.5.200.0030.06019.60
5.5.190.0000.08319.58
5.5.180.0030.06019.51
5.5.160.0030.06319.57
5.5.150.0070.04319.42
5.5.140.0100.04019.27
5.5.130.0070.06719.51
5.5.120.0000.06019.25
5.5.110.0070.06019.26
5.5.100.0070.06719.14
5.5.90.0100.04019.43
5.5.80.0070.04019.45
5.5.70.0100.04319.50
5.5.60.0100.07019.36
5.5.50.0130.07319.31
5.5.40.0130.07319.48
5.5.30.0030.04319.46
5.5.20.0030.04719.15
5.5.10.0070.04019.39
5.5.00.0030.07719.55
5.4.450.0000.08319.50
5.4.440.0070.07719.11
5.4.430.0130.07019.40
5.4.420.0100.06319.46
5.4.410.0000.04318.99
5.4.400.0070.07018.81
5.4.390.0170.05719.15
5.4.380.0100.05019.08
5.4.370.0130.05018.79
5.4.360.0070.06019.11
5.4.350.0130.06319.12
5.4.340.0000.08019.11
5.4.320.0030.08019.14
5.4.310.0100.07318.79
5.4.300.0030.05319.11
5.4.290.0000.07318.79
5.4.280.0130.07018.92
5.4.270.0070.04018.78
5.4.260.0100.06719.15
5.4.250.0070.07318.91
5.4.240.0030.06718.91
5.4.230.0000.07319.07
5.4.220.0000.08019.14
5.4.210.0070.07019.20
5.4.200.0070.04718.91
5.4.190.0070.05719.16
5.4.180.0000.04019.06
5.4.170.0100.04319.08
5.4.160.0030.04719.00
5.4.150.0070.07019.16
5.4.140.0070.07316.37
5.4.130.0100.06316.24
5.4.120.0070.06716.24
5.4.110.0000.04316.32
5.4.100.0100.06716.30
5.4.90.0130.06716.28
5.4.80.0100.05716.27
5.4.70.0100.06716.38
5.4.60.0070.05316.34
5.4.50.0130.06016.17
5.4.40.0100.04716.38
5.4.30.0070.06716.29
5.4.20.0070.07316.57
5.4.10.0000.04016.21
5.4.00.0030.03715.62
5.3.290.0030.04714.59
5.3.280.0100.03314.52
5.3.270.0000.04014.55
5.3.260.0130.07014.42
5.3.250.0000.08314.57
5.3.240.0230.03014.70
5.3.230.0030.08314.52
5.3.220.0070.04714.54
5.3.210.0100.07314.52
5.3.200.0070.03714.51
5.3.190.0170.05714.50
5.3.180.0030.07714.46
5.3.170.0100.04014.36
5.3.160.0100.03714.46
5.3.150.0070.07714.49
5.3.140.0030.07314.45
5.3.130.0070.04314.48
5.3.120.0000.04714.49
5.3.110.0030.06714.47
5.3.100.0100.03313.93
5.3.90.0000.05313.98
5.3.80.0030.04013.83
5.3.70.0100.03013.99
5.3.60.0030.05713.93
5.3.50.0070.05013.96
5.3.40.0100.07013.96
5.3.30.0100.03013.84
5.3.20.0100.03313.63
5.3.10.0070.04713.59
5.3.00.0030.03713.45
5.2.170.0030.03711.15
5.2.160.0070.03711.04
5.2.150.0000.04011.07
5.2.140.0030.03011.02
5.2.130.0030.06011.08
5.2.120.0000.03011.03
5.2.110.0070.06011.08
5.2.100.0030.06711.00
5.2.90.0070.04711.11
5.2.80.0030.05011.00
5.2.70.0000.04711.09
5.2.60.0000.05011.03
5.2.50.0030.06310.97
5.2.40.0070.05710.95
5.2.30.0030.06711.14
5.2.20.0000.05711.11
5.2.10.0070.04010.86
5.2.00.0030.06310.67
5.1.60.0100.0379.90
5.1.50.0000.0379.83
5.1.40.0030.0509.96
5.1.30.0070.05710.32
5.1.20.0070.05310.34
5.1.10.0030.05710.13
5.1.00.0130.04310.13
5.0.50.0100.0308.39
5.0.40.0030.0438.38
5.0.30.0100.0578.18
5.0.20.0030.0438.34
5.0.10.0070.0438.22
5.0.00.0030.0678.20
4.4.90.0070.0337.69
4.4.80.0070.0337.69
4.4.70.0030.0207.69
4.4.60.0030.0237.69
4.4.50.0030.0377.69
4.4.40.0070.0507.69
4.4.30.0070.0107.69
4.4.20.0000.0377.69
4.4.10.0070.0237.69
4.4.00.0000.0577.69
4.3.110.0030.0277.69
4.3.100.0000.0277.69
4.3.90.0030.0277.69
4.3.80.0000.0537.69
4.3.70.0000.0407.69
4.3.60.0000.0277.69
4.3.50.0000.0207.69
4.3.40.0030.0507.69
4.3.30.0030.0337.69
4.3.20.0000.0337.69
4.3.10.0030.0307.69
4.3.00.0030.0337.69

preferences:
39.91 ms | 401 KiB | 5 Q