3v4l.org

run code in 300+ PHP versions simultaneously
<?php $ar = [1, 2, 3]; foreach ($ar as $k => &$v) { } var_dump($ar); echo $ar[2];

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)
8.3.60.0100.01018.43
8.3.50.0130.00821.94
8.3.40.0150.00018.97
8.3.30.0070.00719.08
8.3.20.0040.00420.31
8.3.10.0040.00420.31
8.3.00.0050.00317.50
8.2.180.0100.01016.38
8.2.170.0110.00722.96
8.2.160.0100.00320.52
8.2.150.0080.00024.18
8.2.140.0000.00824.66
8.2.130.0030.00526.16
8.2.120.0070.00022.06
8.2.110.0100.00720.52
8.2.100.0050.00517.72
8.2.90.0040.00418.28
8.2.80.0000.00917.97
8.2.70.0050.00517.50
8.2.60.0060.00317.93
8.2.50.0030.00518.07
8.2.40.0080.00018.22
8.2.30.0000.00819.12
8.2.20.0050.00317.72
8.2.10.0030.00518.14
8.2.00.0030.00517.74
8.1.280.0140.00725.92
8.1.270.0040.00424.02
8.1.260.0040.00426.35
8.1.250.0050.00328.09
8.1.240.0060.00322.02
8.1.230.0030.00820.97
8.1.220.0000.00817.76
8.1.210.0000.00818.91
8.1.200.0060.00317.35
8.1.190.0000.00817.23
8.1.180.0060.00618.10
8.1.170.0040.00418.66
8.1.160.0040.00422.03
8.1.150.0040.00418.87
8.1.140.0040.00417.36
8.1.130.0030.00317.86
8.1.120.0000.00717.50
8.1.110.0070.00017.45
8.1.100.0050.00317.51
8.1.90.0050.00317.48
8.1.80.0070.00017.35
8.1.70.0030.00317.41
8.1.60.0030.00517.62
8.1.50.0080.00017.56
8.1.40.0040.00417.57
8.1.30.0030.00517.70
8.1.20.0050.00317.67
8.1.10.0080.00017.66
8.1.00.0050.00217.52
8.0.300.0000.00720.09
8.0.290.0040.00416.75
8.0.280.0000.00818.35
8.0.270.0000.00717.12
8.0.260.0030.00317.21
8.0.250.0070.00016.99
8.0.240.0000.00816.90
8.0.230.0050.00216.83
8.0.220.0030.00316.88
8.0.210.0000.00716.85
8.0.200.0000.00816.83
8.0.190.0040.00317.01
8.0.180.0000.00816.82
8.0.170.0030.00516.93
8.0.160.0040.00416.75
8.0.150.0030.00316.78
8.0.140.0040.00416.83
8.0.130.0000.00513.28
8.0.120.0040.00416.88
8.0.110.0000.00816.89
8.0.100.0040.00416.68
8.0.90.0070.00016.77
8.0.80.0070.01116.80
8.0.70.0040.00416.77
8.0.60.0040.00416.77
8.0.50.0000.00716.83
8.0.30.0110.01616.94
8.0.20.0080.01117.40
8.0.10.0040.00417.02
8.0.00.0100.00816.86
7.4.330.0020.00215.09
7.4.320.0030.00316.59
7.4.300.0030.00316.60
7.4.290.0000.00716.45
7.4.280.0040.00416.63
7.4.270.0030.00316.58
7.4.260.0000.00716.59
7.4.250.0020.00516.32
7.4.240.0050.00216.54
7.4.230.0030.00316.66
7.4.220.0090.00916.52
7.4.210.0030.01116.59
7.4.200.0060.00316.69
7.4.160.0090.00616.51
7.4.150.0120.01217.40
7.4.140.0080.00917.86
7.4.130.0060.01116.31
7.4.120.0070.01016.55
7.4.110.0180.00616.48
7.4.100.0100.00716.53
7.4.90.0120.00616.37
7.4.80.0060.01319.04
7.4.70.0080.00816.51
7.4.60.0090.01016.40
7.4.50.0030.00616.40
7.4.40.0050.01416.31
7.4.30.0110.00516.64
7.4.00.0090.00814.88
7.3.330.0000.00513.17
7.3.320.0050.00013.07
7.3.310.0000.00716.42
7.3.300.0000.00716.11
7.3.290.0120.00616.25
7.3.280.0120.00616.31
7.3.270.0110.00817.40
7.3.260.0060.01216.31
7.3.250.0040.01316.45
7.3.240.0100.00716.37
7.3.230.0040.01216.39
7.3.210.0060.01016.50
7.3.200.0090.00619.39
7.3.190.0060.00916.54
7.3.180.0150.00016.35
7.3.170.0120.00916.40
7.3.160.0030.01316.52
7.3.120.0000.01914.86
7.3.110.0070.01115.00
7.3.100.0070.00714.80
7.3.90.0060.00914.86
7.3.80.0000.01014.98
7.3.70.0030.01014.85
7.3.60.0030.00814.71
7.3.50.0070.01014.63
7.3.40.0110.00414.80
7.3.30.0150.00014.71
7.3.20.0030.00916.78
7.3.10.0070.00616.59
7.3.00.0060.00516.61
7.2.330.0090.00916.65
7.2.320.0130.00316.54
7.2.310.0050.01116.64
7.2.300.0070.01016.57
7.2.290.0160.00616.82
7.2.250.0030.01614.88
7.2.240.0100.01014.91
7.2.230.0030.01414.88
7.2.220.0060.01014.98
7.2.210.0070.00714.95
7.2.200.0030.00814.88
7.2.190.0100.00614.98
7.2.180.0090.00315.21
7.2.170.0070.01015.12
7.2.130.0130.00317.06
7.2.120.0000.01216.66
7.2.110.0060.00616.76
7.2.100.0030.00716.94
7.2.90.0040.00816.81
7.2.80.0110.00016.92
7.2.70.0000.01216.49
7.2.60.0050.00516.84
7.2.50.0070.00717.02
7.2.40.0090.00617.04
7.2.30.0090.00316.88
7.2.20.0070.00717.05
7.2.10.0030.00916.90
7.2.00.0030.00818.10
7.1.330.0030.00915.97
7.1.320.0040.00715.93
7.1.310.0030.00715.67
7.1.300.0090.00315.89
7.1.290.0000.01215.78
7.1.280.0110.00315.53
7.1.270.0090.00615.86
7.1.260.0030.00715.45
7.1.250.0060.00615.57
7.1.200.0000.01615.61
7.1.100.0110.00418.05
7.1.70.0030.00717.24
7.1.60.0130.01019.32
7.1.50.0070.01417.04
7.1.00.0070.07022.33
7.0.200.0000.01016.68
7.0.140.0030.07322.01
7.0.60.0130.08019.97
7.0.50.0070.07717.91
7.0.40.0130.05720.07
7.0.30.0300.05720.01
7.0.20.0300.04320.16
7.0.10.0070.06020.02
7.0.00.0070.04320.19
5.6.280.0170.06021.07
5.6.210.0070.07720.69
5.6.200.0030.07018.18
5.6.190.0030.05020.48
5.6.180.0230.04320.41
5.6.170.0230.05320.71
5.6.160.0100.08020.40
5.6.150.0130.07318.18
5.6.140.0070.05018.07
5.6.130.0030.04318.11
5.6.120.0170.06720.87
5.6.110.0100.06721.14
5.6.100.0170.03321.13
5.6.90.0100.07721.12
5.6.80.0100.04720.40
5.5.350.0200.07320.41
5.5.340.0100.04317.95
5.5.330.0070.04020.44
5.5.320.0500.06320.20
5.5.310.0270.06020.30
5.5.300.0030.08318.04
5.5.290.0100.04317.91
5.5.280.0130.07720.76
5.5.270.0130.08020.77
5.5.260.0070.08020.85
5.5.250.0070.03720.79
5.5.240.0130.07020.04
5.4.450.0100.04019.42
5.4.440.0770.06319.13
5.4.430.0570.05719.47
5.4.420.0630.00019.49
5.4.410.0630.00019.21
5.4.400.0600.00019.20
5.4.390.0630.00019.16
5.4.380.1200.04718.53
5.4.370.1030.05318.73
5.4.360.1370.08018.57
5.4.350.1100.05718.68
5.4.340.1030.05318.47
5.4.320.0070.03512.46
5.4.310.0060.03812.45
5.4.300.0050.03712.46
5.4.290.0050.03912.45
5.4.280.0080.03312.35
5.4.270.0090.04412.35
5.4.260.0090.03812.35
5.4.250.0060.04512.35
5.4.240.0090.03912.35
5.4.230.0040.03912.34
5.4.220.0080.05012.34
5.4.210.0080.03912.34
5.4.200.0070.03712.34
5.4.190.0030.04012.34
5.4.180.0050.03712.34
5.4.170.0060.03712.35
5.4.160.0030.03812.34
5.4.150.0050.03612.34
5.4.140.0040.03712.03
5.4.130.0080.03212.01
5.4.120.0060.03511.97
5.4.110.0080.03211.96
5.4.100.0050.03511.96
5.4.90.0080.03811.96
5.4.80.0060.03711.96
5.4.70.0060.03711.96
5.4.60.0070.03211.96
5.4.50.0070.03311.96
5.4.40.0060.03411.95
5.4.30.0060.03511.95
5.4.20.0070.03311.95
5.4.10.0020.03711.95
5.4.00.0060.03511.44
5.3.290.0070.04012.80
5.3.280.0080.03912.71
5.3.270.0040.04212.72
5.3.260.0050.04112.72
5.3.250.0090.03312.72
5.3.240.0050.03812.72
5.3.230.0070.03612.70
5.3.220.0060.03712.68
5.3.210.0040.04112.68
5.3.200.0070.03512.68
5.3.190.0040.03912.68
5.3.180.0040.03812.67
5.3.170.0090.03312.67
5.3.160.0040.03712.68
5.3.150.0050.03812.67
5.3.140.0090.03312.66
5.3.130.0080.03912.66
5.3.120.0060.03812.66
5.3.110.0090.03512.65
5.3.100.0030.04012.12
5.3.90.0070.03412.08
5.3.80.0040.03712.08
5.3.70.0070.03612.07
5.3.60.0070.04112.06
5.3.50.0060.03712.00
5.3.40.0100.03512.00
5.3.30.0080.03611.95
5.3.20.0060.03411.73
5.3.10.0060.03411.70
5.3.00.0090.05611.68
5.2.170.0050.0369.18
5.2.160.0080.0279.18
5.2.150.0090.0279.18
5.2.140.0060.0299.18
5.2.130.0020.0319.14
5.2.120.0070.0309.14
5.2.110.0040.0299.14
5.2.100.0070.0299.14
5.2.90.0060.0279.14
5.2.80.0050.0289.14
5.2.70.0030.0309.14
5.2.60.0050.0309.09
5.2.50.0050.0299.06
5.2.40.0060.0289.04
5.2.30.0070.0379.01
5.2.20.0050.0289.00
5.2.10.0050.0278.93
5.2.00.0070.0308.78
5.1.60.0070.0288.07
5.1.50.0050.0288.07
5.1.40.0030.0258.05
5.1.30.0060.0238.40
5.1.20.0030.0278.41
5.1.10.0040.0328.14
5.1.00.0090.0288.14
5.0.50.0060.0266.63
5.0.40.0020.0206.48
5.0.30.0070.0276.29
5.0.20.0050.0196.27
5.0.10.0020.0226.24
5.0.00.0050.0296.23
4.4.90.0030.0154.78
4.4.80.0030.0144.75
4.4.70.0040.0144.75
4.4.60.0010.0174.75
4.4.50.0010.0254.77
4.4.40.0050.0234.71
4.4.30.0010.0174.76
4.4.20.0020.0164.85
4.4.10.0010.0174.85
4.4.00.0060.0214.76
4.3.110.0050.0134.67
4.3.100.0030.0154.66
4.3.90.0040.0134.63
4.3.80.0020.0254.58
4.3.70.0040.0134.63
4.3.60.0020.0154.63
4.3.50.0020.0164.63
4.3.40.0040.0234.54
4.3.30.0020.0163.28
4.3.20.0030.0153.26
4.3.10.0010.0163.21
4.3.00.0000.04015.60

preferences:
80.77 ms | 401 KiB | 5 Q