3v4l.org

run code in 300+ PHP versions simultaneously
<?php function delta() { static $lastmem=0; $delta = memory_get_peak_usage() - $lastmem; $lastmem = memory_get_peak_usage(); return $delta; } $a=range(1, 500); foreach($a as $k=>$v) { } var_dump(memory_get_peak_usage()); foreach($a as $k=>$v) { echo $v; } echo "\n"; var_dump('foreach loop and echo delta: '.delta()); for($x=0;$x<sizeof($a);$x++) { $a[$x]++; } var_dump('for loop and increment delta:'.delta()); foreach($a as $k=>$v) { $a[$k]++; } var_dump('foreach loop and increment delta: '.delta());

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)
8.3.60.0060.01016.63
8.3.50.0170.01121.99
8.3.40.0100.01018.79
8.3.30.0040.01219.08
8.3.20.0000.00820.34
8.3.10.0060.00323.67
8.3.00.0090.00021.01
8.2.180.0130.00716.50
8.2.170.0090.01322.96
8.2.160.0110.00420.19
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0000.00826.16
8.2.120.0030.00619.49
8.2.110.0030.00722.11
8.2.100.0110.00018.09
8.2.90.0080.00019.22
8.2.80.0090.00017.97
8.2.70.0030.00617.63
8.2.60.0040.00718.05
8.2.50.0040.00418.07
8.2.40.0120.00018.16
8.2.30.0040.00418.43
8.2.20.0050.00317.88
8.2.10.0040.00418.18
8.2.00.0040.00419.59
8.1.280.0060.00925.92
8.1.270.0090.00022.05
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0060.00323.67
8.1.230.0030.00919.15
8.1.220.0050.00317.74
8.1.210.0090.00018.77
8.1.200.0090.00017.23
8.1.190.0000.00817.23
8.1.180.0050.00318.10
8.1.170.0080.00018.64
8.1.160.0000.00722.05
8.1.150.0050.00318.57
8.1.140.0060.00317.53
8.1.130.0060.00317.78
8.1.120.0040.00417.49
8.1.110.0000.00817.48
8.1.100.0030.00517.47
8.1.90.0030.00517.50
8.1.80.0030.00617.36
8.1.70.0040.00417.46
8.1.60.0090.00017.51
8.1.50.0030.00517.44
8.1.40.0000.00817.55
8.1.30.0000.00817.72
8.1.20.0040.00417.71
8.1.10.0030.00517.44
8.1.00.0040.00417.31
8.0.300.0000.00818.77
8.0.290.0090.00016.75
8.0.280.0040.00418.53
8.0.270.0040.00417.23
8.0.260.0060.00317.30
8.0.250.0070.00016.95
8.0.240.0000.00817.09
8.0.230.0040.00417.07
8.0.220.0050.00316.95
8.0.210.0040.00416.91
8.0.200.0000.00717.02
8.0.190.0030.00517.04
8.0.180.0040.00416.96
8.0.170.0060.00316.93
8.0.160.0040.00416.95
8.0.150.0050.00216.91
8.0.140.0050.00216.96
8.0.130.0000.00613.38
8.0.120.0060.00316.97
8.0.110.0080.00016.98
8.0.100.0000.00816.86
8.0.90.0000.00716.80
8.0.80.0130.00416.95
8.0.70.0030.00716.98
8.0.60.0000.00716.84
8.0.50.0030.00516.91
8.0.30.0150.01217.17
8.0.20.0110.01117.40
8.0.10.0030.00517.18
8.0.00.0090.01116.75
7.4.330.0070.00015.00
7.4.320.0030.00316.59
7.4.300.0000.00616.48
7.4.290.0020.00516.59
7.4.280.0000.00716.57
7.4.270.0000.00816.66
7.4.260.0000.00716.54
7.4.250.0040.00416.62
7.4.240.0050.00216.51
7.4.230.0040.00416.66
7.4.220.0060.01316.61
7.4.210.0100.00916.57
7.4.200.0040.00416.74
7.4.160.0110.01116.33
7.4.150.0030.01817.40
7.4.140.0180.00917.86
7.4.130.0130.00916.63
7.4.120.0120.01016.66
7.4.110.0100.01016.51
7.4.100.0130.00716.56
7.4.90.0090.01216.54
7.4.80.0060.01919.39
7.4.70.0120.00916.39
7.4.60.0100.01016.38
7.4.50.0000.00416.58
7.4.40.0120.01216.45
7.4.30.0080.00816.52
7.4.00.0120.00915.02
7.3.330.0050.00013.26
7.3.320.0060.00013.21
7.3.310.0030.00516.35
7.3.300.0050.00216.46
7.3.290.0220.00516.45
7.3.280.0070.01116.36
7.3.270.0110.01117.40
7.3.260.0220.00016.71
7.3.250.0080.01316.48
7.3.240.0120.00816.53
7.3.230.0060.01516.39
7.3.210.0110.00716.64
7.3.200.0160.00319.39
7.3.190.0200.00616.41
7.3.180.0190.00016.42
7.3.170.0130.00616.66
7.3.160.0110.00716.68
7.3.120.0040.01114.90
7.2.330.0190.00716.69
7.2.320.0040.01616.60
7.2.310.0050.01816.62
7.2.300.0120.00716.48
7.2.290.0120.01516.58
7.2.60.0110.00417.05
7.2.00.0070.00719.54
7.1.200.0000.01316.01
7.1.100.0080.00418.15
7.1.70.0000.00917.25
7.1.60.0100.01419.70
7.1.50.0100.01016.59
7.1.00.0070.07322.36
7.0.200.0030.00716.16
7.0.140.0100.07022.04
7.0.60.0070.08319.94
7.0.50.0030.09017.88
7.0.40.0100.04320.13
7.0.30.0370.05720.13
7.0.20.0200.04720.05
7.0.10.0070.07320.06
7.0.00.0100.07720.22
5.6.210.0070.05020.74
5.6.200.0070.04018.27
5.6.190.0100.04020.59
5.6.180.0830.03720.34
5.6.170.0300.07720.64
5.6.160.0070.08320.50
5.6.150.0070.08718.28
5.6.140.0070.05018.16
5.6.130.0000.04318.23
5.6.120.0130.04021.02
5.6.110.0030.06721.01
5.6.100.0070.08321.14
5.6.90.0170.07720.91
5.6.80.0070.06020.42
5.5.350.0400.06720.44
5.5.340.0030.04018.00
5.5.330.0130.08020.43
5.5.320.0100.05020.30
5.5.310.0170.04320.34
5.5.300.0070.06718.08
5.5.290.0100.05018.08
5.5.280.0100.06020.93
5.5.270.0030.04320.92
5.5.260.0000.04720.79
5.5.250.0030.04320.73
5.5.240.0070.07320.19
5.4.450.0670.05019.41
5.4.440.0700.05319.46
5.4.430.0770.06319.34
5.4.420.1100.05719.47
5.4.410.0830.06019.43
5.4.400.0730.05319.06
5.4.390.0570.06019.23
5.4.380.0830.04318.60
5.4.370.0730.05018.86
5.4.360.0600.06018.82
5.4.350.0770.05018.82
5.4.340.0630.06018.82
5.4.320.0070.04212.64
5.4.310.0070.03712.64
5.4.300.0060.03712.64
5.4.290.0070.03812.64
5.4.280.0070.04012.54
5.4.270.0060.03812.54
5.4.260.0050.03912.54
5.4.250.0090.03612.53
5.4.240.0070.03812.53
5.4.230.0100.03412.53
5.4.220.0070.03612.53
5.4.210.0090.04012.53
5.4.200.0090.03912.53
5.4.190.0050.03812.53
5.4.180.0060.03612.53
5.4.170.0050.03812.54
5.4.160.0060.03612.53
5.4.150.0080.03412.52
5.4.140.0070.03812.21
5.4.130.0080.03412.19
5.4.120.0070.03912.15
5.4.110.0050.03612.15
5.4.100.0060.04612.15
5.4.90.0070.03612.15
5.4.80.0120.03912.14
5.4.70.0080.03612.15
5.4.60.0070.03712.15
5.4.50.0080.03412.14
5.4.40.0030.03812.13
5.4.30.0080.03412.13
5.4.20.0070.03512.13
5.4.10.0040.04212.13
5.4.00.0070.03611.62
5.3.290.0080.04812.88
5.3.280.0070.04112.80
5.3.270.0060.04212.82
5.3.260.0070.04012.82
5.3.250.0050.03912.82
5.3.240.0050.03912.82
5.3.230.0100.03512.81
5.3.220.0100.03812.78
5.3.210.0080.04512.78
5.3.200.0120.04112.78
5.3.190.0070.03812.78
5.3.180.0070.03712.78
5.3.170.0070.04412.77
5.3.160.0100.03812.77
5.3.150.0060.03912.78
5.3.140.0110.03712.77
5.3.130.0080.04212.76
5.3.120.0080.04412.76
5.3.110.0040.04312.76
5.3.100.0070.03712.25
5.3.90.0090.03612.23
5.3.80.0060.03712.22
5.3.70.0090.04512.22
5.3.60.0080.04012.21
5.3.50.0080.04012.15
5.3.40.0060.03812.16
5.3.30.0070.03512.12
5.3.20.0070.03511.89
5.3.10.0120.03311.86
5.3.00.0080.03511.85
5.2.170.0050.0339.35
5.2.160.0040.0329.34
5.2.150.0040.0349.34
5.2.140.0050.0329.34
5.2.130.0060.0329.30
5.2.120.0060.0289.30
5.2.110.0040.0349.31
5.2.100.0060.0289.30
5.2.90.0090.0259.30
5.2.80.0110.0369.30
5.2.70.0100.0389.30
5.2.60.0120.0299.25
5.2.50.0090.0319.22
5.2.40.0050.0309.20
5.2.30.0060.0309.17
5.2.20.0050.0309.16
5.2.10.0040.0309.07
5.2.00.0040.0298.88
5.1.60.0050.0288.17
5.1.50.0050.0288.17
5.1.40.0030.0328.15
5.1.30.0030.0288.50
5.1.20.0040.0268.52
5.1.10.0050.0258.25
5.1.00.0060.0238.25
5.0.50.0030.0216.73
5.0.40.0040.0196.59
5.0.30.0050.0296.40
5.0.20.0040.0196.36
5.0.10.0050.0186.34
5.0.00.0020.0316.34
4.4.90.0010.0164.78
4.4.80.0040.0144.75
4.4.70.0030.0204.75
4.4.60.0000.0214.75
4.4.50.0020.0264.77
4.4.40.0020.0264.72
4.4.30.0010.0174.75
4.4.20.0020.0164.85
4.4.10.0030.0154.85
4.4.00.0020.0264.76
4.3.110.0040.0154.67
4.3.100.0040.0144.66
4.3.90.0020.0164.63
4.3.80.0030.0254.63
4.3.70.0020.0164.63
4.3.60.0040.0134.62
4.3.50.0020.0204.62
4.3.40.0000.0264.58
4.3.30.0030.0153.39
4.3.20.0020.0173.37
4.3.10.0010.0173.32
4.3.00.0000.02023.83

preferences:
41.28 ms | 401 KiB | 5 Q