3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array('a', 'b'); foreach ($arr as &$a) { var_dump($a); } foreach ($arr as &$a) { var_dump($a); }

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)
8.3.60.0070.01418.16
8.3.50.0130.01022.08
8.3.40.0120.00918.70
8.3.30.0000.01418.79
8.3.20.0060.00320.07
8.3.10.0030.00520.40
8.3.00.0060.00319.25
8.2.180.0090.00916.50
8.2.170.0140.00722.96
8.2.160.0160.00020.39
8.2.150.0000.00724.18
8.2.140.0070.00024.66
8.2.130.0070.00026.16
8.2.120.0070.00022.10
8.2.110.0060.00321.05
8.2.100.0150.00217.78
8.2.90.0040.00417.78
8.2.80.0000.00818.03
8.2.70.0000.00917.79
8.2.60.0080.00018.16
8.2.50.0080.00018.10
8.2.40.0040.00419.38
8.2.30.0000.00719.43
8.2.20.0000.00717.61
8.2.10.0030.00518.16
8.2.00.0040.00417.73
8.1.280.0080.00625.92
8.1.270.0060.00322.20
8.1.260.0040.00426.35
8.1.250.0060.00328.09
8.1.240.0040.00422.14
8.1.230.0070.00422.82
8.1.220.0060.00317.79
8.1.210.0000.00819.10
8.1.200.0000.01117.35
8.1.190.0080.00017.36
8.1.180.0000.00818.10
8.1.170.0080.00018.49
8.1.160.0040.00422.00
8.1.150.0050.00218.89
8.1.140.0070.00017.45
8.1.130.0030.00317.82
8.1.120.0070.00017.35
8.1.110.0020.00517.44
8.1.100.0040.00417.41
8.1.90.0030.00717.40
8.1.80.0030.00417.45
8.1.70.0000.00717.43
8.1.60.0000.00817.43
8.1.50.0040.00417.50
8.1.40.0050.00317.39
8.1.30.0030.00517.59
8.1.20.0040.00417.63
8.1.10.0050.00217.46
8.1.00.0000.00717.39
8.0.300.0060.00322.00
8.0.290.0060.00316.75
8.0.280.0070.00018.47
8.0.270.0040.00417.12
8.0.260.0000.00617.30
8.0.250.0030.00316.94
8.0.240.0000.00816.98
8.0.230.0030.00317.01
8.0.220.0030.00316.88
8.0.210.0000.00616.79
8.0.200.0040.00416.95
8.0.190.0000.00716.96
8.0.180.0000.00716.82
8.0.170.0040.00416.91
8.0.160.0000.00716.92
8.0.150.0040.00416.84
8.0.140.0040.00316.75
8.0.130.0050.00013.35
8.0.120.0060.00316.75
8.0.110.0000.00716.89
8.0.100.0040.00416.90
8.0.90.0040.00416.86
8.0.80.0150.00416.85
8.0.70.0050.00316.82
8.0.60.0040.00416.95
8.0.50.0040.00416.91
8.0.30.0060.01217.02
8.0.20.0130.00717.40
8.0.10.0000.00716.96
8.0.00.0120.01216.75
7.4.330.0000.00515.00
7.4.320.0070.00016.60
7.4.300.0030.00316.49
7.4.290.0030.00316.50
7.4.280.0070.00016.59
7.4.270.0070.00016.35
7.4.260.0000.00816.38
7.4.250.0040.00416.50
7.4.240.0040.00416.56
7.4.230.0000.00716.59
7.4.220.0060.01216.61
7.4.210.0120.00616.63
7.4.200.0050.00316.70
7.4.160.0160.00316.44
7.4.150.0090.00917.40
7.4.140.0090.01017.86
7.4.130.0080.00816.58
7.4.120.0110.00716.47
7.4.110.0130.00416.52
7.4.100.0130.01016.45
7.4.90.0160.00016.40
7.4.80.0070.01016.55
7.4.70.0190.00016.58
7.4.60.0080.00816.34
7.4.50.0040.00416.27
7.4.40.0130.00516.65
7.4.30.0030.01316.57
7.4.00.0010.01414.69
7.3.330.0030.00313.16
7.3.320.0040.00313.10
7.3.310.0070.00016.26
7.3.300.0000.00616.34
7.3.290.0120.00316.20
7.3.280.0120.00716.22
7.3.270.0130.01017.40
7.3.260.0100.01016.30
7.3.250.0120.00616.18
7.3.240.0000.01916.52
7.3.230.0070.01016.39
7.3.210.0080.01116.57
7.3.200.0150.00319.39
7.3.190.0120.01316.45
7.3.180.0080.00816.34
7.3.170.0140.00316.52
7.3.160.0090.01216.60
7.3.120.0110.00814.92
7.3.110.0050.01014.69
7.3.100.0100.00514.76
7.3.90.0040.00714.95
7.3.80.0080.00615.04
7.3.70.0020.01214.69
7.3.60.0070.00914.84
7.3.50.0060.00414.68
7.3.40.0080.00514.64
7.3.30.0040.01114.64
7.3.20.0010.01116.71
7.3.10.0080.00516.46
7.3.00.0090.00516.80
7.2.330.0070.01016.42
7.2.320.0070.01016.66
7.2.310.0070.01116.79
7.2.300.0030.01416.65
7.2.290.0060.01016.64
7.2.250.0090.00915.10
7.2.240.0050.01214.91
7.2.230.0070.00614.89
7.2.220.0030.01515.07
7.2.210.0030.01215.07
7.2.200.0090.00614.96
7.2.190.0020.00814.94
7.2.180.0020.01214.98
7.2.170.0080.00314.93
7.2.160.0030.01415.00
7.2.150.0030.00616.74
7.2.140.0060.00916.93
7.2.130.0080.00816.72
7.2.120.0040.01216.91
7.2.110.0040.01216.89
7.2.100.0050.00516.63
7.2.90.0030.00917.04
7.2.80.0060.00316.78
7.2.70.0080.00617.04
7.2.60.0070.00716.86
7.2.50.0040.00817.04
7.2.40.0070.00716.80
7.2.30.0040.01117.08
7.2.20.0030.01016.62
7.2.10.0030.00916.94
7.2.00.0040.00717.83
7.1.330.0110.00615.71
7.1.320.0090.00815.81
7.1.310.0060.00615.68
7.1.300.0030.01215.81
7.1.290.0100.00515.74
7.1.280.0060.00515.81
7.1.270.0050.00915.76
7.1.260.0050.00615.80
7.1.250.0030.00715.54
7.1.100.0150.00018.05
7.1.70.0050.01016.95
7.1.60.0110.01419.32
7.1.50.0100.01316.76
7.1.00.0030.07322.33
7.0.200.0290.00014.75
7.0.140.0070.07022.09
7.0.60.0300.07020.03
7.0.50.0170.07017.81
7.0.40.0130.08020.12
7.0.30.0270.07720.00
7.0.20.0300.06720.11
7.0.10.0070.08720.02
7.0.00.0070.04020.16
5.6.280.0030.07321.10
5.6.210.0070.05720.71
5.6.200.0000.04318.16
5.6.190.0170.07020.43
5.6.180.0400.04020.45
5.6.170.0300.07320.46
5.6.160.0070.06720.70
5.6.150.0070.07718.21
5.6.140.0070.06018.07
5.6.130.0100.06018.07
5.6.120.0070.07721.14
5.6.110.0000.07020.98
5.6.100.0070.07020.95
5.6.90.0130.07720.96
5.6.80.0100.07720.37
5.5.350.0170.08020.32
5.5.340.0030.04317.88
5.5.330.0070.07720.20
5.5.320.0430.07720.21
5.5.310.0270.06020.12
5.5.300.0000.05717.88
5.5.290.0170.06717.92
5.5.280.0100.06020.73
5.5.270.0000.04320.93
5.5.260.0170.05720.64
5.5.250.0070.08020.68
5.5.240.0200.05320.07
5.4.450.1430.04319.21
5.4.440.1270.03319.45
5.4.430.1470.02719.45
5.4.420.0770.03019.56
5.4.410.0170.04019.14
5.4.400.0430.03718.91
5.4.390.0630.03718.80
5.4.380.0500.05318.67
5.4.370.0300.05018.79
5.4.360.0230.05318.75
5.4.350.0370.06018.46
5.4.340.0370.05018.66
5.4.320.0070.03812.46
5.4.310.0050.04012.45
5.4.300.0080.04912.46
5.4.290.0070.03812.45
5.4.280.0030.03812.35
5.4.270.0070.03612.35
5.4.260.0060.04112.35
5.4.250.0070.03712.35
5.4.240.0080.03412.35
5.4.230.0100.04912.34
5.4.220.0080.04312.34
5.4.210.0060.03712.34
5.4.200.0090.03912.34
5.4.190.0060.04612.34
5.4.180.0080.04012.34
5.4.170.0050.04012.35
5.4.160.0080.05012.35
5.4.150.0100.04012.34
5.4.140.0040.05712.02
5.4.130.0090.04012.02
5.4.120.0090.03711.97
5.4.110.0040.04311.97
5.4.100.0090.04311.97
5.4.90.0060.04111.97
5.4.80.0080.04611.96
5.4.70.0040.03611.96
5.4.60.0060.03411.96
5.4.50.0060.03411.96
5.4.40.0100.03811.95
5.4.30.0040.03611.95
5.4.20.0100.04111.95
5.4.10.0050.03411.95
5.4.00.0040.03911.44
5.3.290.0050.04712.80
5.3.280.0030.04112.71
5.3.270.0090.04212.73
5.3.260.0080.04212.71
5.3.250.0050.03712.72
5.3.240.0080.03412.71
5.3.230.0050.03812.71
5.3.220.0080.03412.68
5.3.210.0050.04512.68
5.3.200.0030.03812.68
5.3.190.0080.03612.68
5.3.180.0070.04312.68
5.3.170.0040.03712.67
5.3.160.0100.03912.67
5.3.150.0040.03812.67
5.3.140.0060.04412.66
5.3.130.0060.03812.66
5.3.120.0060.03912.66
5.3.110.0060.03912.65
5.3.100.0050.04312.12
5.3.90.0050.03612.08
5.3.80.0070.03912.07
5.3.70.0020.04112.07
5.3.60.0080.03312.07
5.3.50.0050.03612.00
5.3.40.0050.03912.00
5.3.30.0070.03411.94
5.3.20.0050.03511.72
5.3.10.0050.03411.69
5.3.00.0050.03611.67
5.2.170.0060.0299.18
5.2.160.0050.0319.18
5.2.150.0020.0339.17
5.2.140.0050.0299.17
5.2.130.0040.0299.14
5.2.120.0030.0309.14
5.2.110.0070.0359.14
5.2.100.0050.0279.14
5.2.90.0030.0329.14
5.2.80.0050.0299.13
5.2.70.0030.0379.13
5.2.60.0040.0389.09
5.2.50.0070.0319.05
5.2.40.0030.0299.04
5.2.30.0030.0319.01
5.2.20.0050.0449.00
5.2.10.0060.0348.92
5.2.00.0030.0308.77
5.1.60.0030.0398.06
5.1.50.0010.0278.06
5.1.40.0030.0258.04
5.1.30.0050.0318.39
5.1.20.0050.0268.41
5.1.10.0040.0258.14
5.1.00.0030.0278.13
5.0.50.0030.0216.61
5.0.40.0010.0216.48
5.0.30.0040.0306.29
5.0.20.0030.0196.26
5.0.10.0030.0206.23
5.0.00.0010.0336.23
4.4.90.0040.0144.78
4.4.80.0050.0204.75
4.4.70.0030.0224.76
4.4.60.0040.0204.76
4.4.50.0020.0224.77
4.4.40.0050.0244.71
4.4.30.0030.0184.76
4.4.20.0010.0174.84
4.4.10.0050.0194.85
4.4.00.0070.0314.76
4.3.110.0050.0164.67
4.3.100.0020.0154.66
4.3.90.0060.0154.63
4.3.80.0030.0404.59
4.3.70.0050.0114.63
4.3.60.0060.0124.63
4.3.50.0020.0174.63
4.3.40.0040.0224.54
4.3.30.0020.0163.29
4.3.20.0020.0163.27
4.3.10.0020.0153.22
4.3.00.0000.02016.39

preferences:
41.3 ms | 401 KiB | 5 Q