3v4l.org

run code in 300+ PHP versions simultaneously
<?php function delta() { static $lastmem; $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)
8.3.60.0130.00316.50
8.3.50.0220.00822.11
8.3.40.0120.00318.79
8.3.30.0070.01119.23
8.3.20.0000.00920.34
8.3.10.0040.00423.48
8.3.00.0060.00320.90
8.2.180.0160.00316.88
8.2.170.0090.00622.96
8.2.160.0110.00420.53
8.2.150.0000.00824.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0060.00319.49
8.2.110.0030.00720.47
8.2.100.0030.01017.84
8.2.90.0060.00319.21
8.2.80.0000.00817.97
8.2.70.0030.00617.75
8.2.60.0000.00818.16
8.2.50.0000.00818.10
8.2.40.0000.01217.92
8.2.30.0000.00718.36
8.2.20.0000.00817.88
8.2.10.0000.00818.02
8.2.00.0050.00319.59
8.1.280.0040.01125.92
8.1.270.0050.00322.20
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0180.00423.92
8.1.230.0110.00017.81
8.1.220.0000.00817.74
8.1.210.0060.00318.77
8.1.200.0030.00617.35
8.1.190.0030.00517.23
8.1.180.0080.00018.10
8.1.170.0090.00018.50
8.1.160.0040.00422.01
8.1.150.0030.00618.53
8.1.140.0030.00517.56
8.1.130.0040.00417.83
8.1.120.0000.00817.34
8.1.110.0040.00417.39
8.1.100.0050.00317.39
8.1.90.0070.00017.43
8.1.80.0030.00517.49
8.1.70.0070.00017.41
8.1.60.0040.00417.54
8.1.50.0050.00317.44
8.1.40.0040.00417.51
8.1.30.0080.00017.68
8.1.20.0000.00917.65
8.1.10.0030.00517.55
8.1.00.0060.00317.39
8.0.300.0040.00419.97
8.0.290.0000.00816.75
8.0.280.0080.00018.48
8.0.270.0030.00317.33
8.0.260.0070.00017.22
8.0.250.0040.00417.06
8.0.240.0070.00016.96
8.0.230.0070.00016.96
8.0.220.0070.00016.87
8.0.210.0040.00417.01
8.0.200.0030.00317.03
8.0.190.0050.00317.00
8.0.180.0000.00816.95
8.0.170.0000.00816.87
8.0.160.0050.00216.88
8.0.150.0070.00016.95
8.0.140.0000.00816.97
8.0.130.0060.00013.41
8.0.120.0050.00316.98
8.0.110.0050.00317.04
8.0.100.0030.00616.91
8.0.90.0040.00416.86
8.0.80.0060.01616.88
8.0.70.0060.00316.93
8.0.60.0020.00516.88
8.0.50.0070.00016.86
8.0.30.0170.00617.15
8.0.20.0120.00917.42
8.0.10.0000.00817.10
8.0.00.0220.00716.83
7.4.330.0040.00415.00
7.4.320.0000.00616.55
7.4.300.0060.00016.44
7.4.290.0050.00216.55
7.4.280.0040.00416.61
7.4.270.0000.00716.61
7.4.260.0000.00816.44
7.4.250.0000.00816.61
7.4.240.0020.00616.59
7.4.230.0000.00716.45
7.4.220.0180.00016.50
7.4.210.0040.01416.67
7.4.200.0050.00316.46
7.4.160.0040.01616.66
7.4.150.0200.00617.40
7.4.140.0190.00417.86
7.4.130.0110.00916.58
7.4.120.0150.00616.53
7.4.110.0180.00716.56
7.4.100.0070.01316.65
7.4.90.0030.02316.46
7.4.80.0070.01119.39
7.4.70.0110.00716.62
7.4.60.0070.01116.46
7.4.50.0040.00016.23
7.4.40.0140.00316.63
7.4.30.0100.01416.44
7.4.00.0030.01515.22
7.3.330.0000.00513.47
7.3.320.0000.00513.26
7.3.310.0040.00416.43
7.3.300.0040.00416.40
7.3.290.0190.00016.43
7.3.280.0060.01116.37
7.3.270.0140.00317.40
7.3.260.0120.01716.80
7.3.250.0100.01116.49
7.3.240.0080.01116.49
7.3.230.0170.00216.46
7.3.210.0130.01416.52
7.3.200.0070.01419.39
7.3.190.0100.01016.45
7.3.180.0100.01016.65
7.3.170.0160.00316.52
7.3.160.0000.01716.43
7.3.120.0060.00915.00
7.3.10.0130.00616.62
7.3.00.0090.00916.49
7.2.330.0110.01216.85
7.2.320.0120.00616.59
7.2.310.0160.01016.93
7.2.300.0160.00316.88
7.2.290.0160.00616.72
7.2.130.0120.00416.83
7.2.120.0100.00317.00
7.2.110.0110.00416.65
7.2.100.0070.00416.98
7.2.90.0130.00616.88
7.2.80.0030.00916.95
7.2.70.0130.00717.03
7.2.60.0110.00616.93
7.2.50.0020.01317.00
7.2.40.0090.00916.73
7.2.30.0160.00716.62
7.2.20.0090.00916.70
7.2.10.0000.01816.72
7.2.00.0070.01016.87
7.1.250.0030.00515.75
7.1.200.0040.00715.82
7.1.100.0030.01518.04
7.1.70.0030.00517.22
7.1.60.0030.01019.70
7.1.50.0090.01516.63
7.1.00.0030.07322.51
7.0.200.0000.00716.69
7.0.140.0030.07322.10
7.0.60.0030.08319.83
7.0.50.0030.09017.88
7.0.40.0100.04020.26
7.0.30.0370.04720.12
7.0.20.0170.08720.39
7.0.10.0130.08020.23
7.0.00.0130.05720.30
5.6.280.0070.07021.08
5.6.210.0070.08720.64
5.6.200.0100.06018.29
5.6.190.0070.05720.46
5.6.180.4070.04020.39
5.6.170.0230.04720.51
5.6.160.0100.06720.39
5.6.150.0070.08318.19
5.6.140.0070.05718.15
5.6.130.0030.09018.21
5.6.120.0070.08721.17
5.6.110.0130.08021.05
5.6.100.0070.04021.03
5.6.90.0100.04721.04
5.6.80.0100.08020.57
5.6.70.4530.04320.43
5.5.350.0030.08020.42
5.5.340.0030.07017.98
5.5.330.0070.03720.19
5.5.320.0230.05020.25
5.5.310.0330.05720.37
5.5.300.0000.06718.00
5.5.290.0030.08718.08
5.5.280.0130.03721.00
5.5.270.0100.06720.82
5.5.260.0070.04320.90
5.5.250.0230.07020.53
5.5.240.0230.07720.40
5.4.450.0370.02331.25
5.4.440.0370.03329.32
5.4.430.0330.05029.29
5.4.420.0330.04029.28
5.4.410.0170.04729.14
5.4.400.0170.04326.75
5.4.390.0300.04725.65
5.4.380.0570.05718.87
5.4.370.0830.04718.85
5.4.360.0730.05718.71
5.4.350.0730.06318.70
5.4.340.0600.06018.79
5.4.320.0100.03512.64
5.4.310.0100.03912.63
5.4.300.0100.04412.64
5.4.290.0100.04012.64
5.4.280.0130.03712.54
5.4.270.0120.03412.54
5.4.260.0070.04412.54
5.4.250.0090.03612.54
5.4.240.0050.03912.54
5.4.230.0100.03612.52
5.4.220.0060.03712.53
5.4.210.0100.03512.52
5.4.200.0060.04412.53
5.4.190.0040.04412.52
5.4.180.0060.03912.52
5.4.170.0090.04312.54
5.4.160.0090.03912.52
5.4.150.0080.03612.53
5.4.140.0090.03812.21
5.4.130.0070.03712.20
5.4.120.0080.03612.15
5.4.110.0070.03712.14
5.4.100.0080.04312.14
5.4.90.0050.03912.14
5.4.80.0090.03512.14
5.4.70.0080.03412.14
5.4.60.0110.03112.15
5.4.50.0070.03612.14
5.4.40.0060.03612.14
5.4.30.0060.03712.13
5.4.20.0090.03412.13
5.4.10.0070.03512.13
5.4.00.0080.03611.63
5.3.290.0090.04312.88
5.3.280.0060.03912.81
5.3.270.0080.03912.82
5.3.260.0070.04012.82
5.3.250.0070.03912.82
5.3.240.0070.03812.82
5.3.230.0100.03712.81
5.3.220.0070.03812.78
5.3.210.0060.04212.78
5.3.200.0030.04112.78
5.3.190.0080.03712.78
5.3.180.0070.04612.78
5.3.170.0050.04112.78
5.3.160.0080.03812.78
5.3.150.0070.04012.78
5.3.140.0090.03612.77
5.3.130.0080.03912.77
5.3.120.0090.04112.77
5.3.110.0080.03912.77
5.3.100.0100.03512.25
5.3.90.0110.03912.23
5.3.80.0070.03612.22
5.3.70.0100.04112.23
5.3.60.0110.04812.21
5.3.50.0050.04212.15
5.3.40.0090.03712.16
5.3.30.0050.03812.11
5.3.20.0050.03811.89
5.3.10.0050.03811.86
5.3.00.0050.04011.85
5.2.170.0060.0359.34
5.2.160.0070.0299.34
5.2.150.0120.0409.34
5.2.140.0070.0349.34
5.2.130.0080.0309.30
5.2.120.0070.0379.30
5.2.110.0060.0309.31
5.2.100.0060.0299.30
5.2.90.0070.0319.30
5.2.80.0060.0359.30
5.2.70.0040.0329.30
5.2.60.0090.0309.25
5.2.50.0050.0339.22
5.2.40.0040.0319.20
5.2.30.0060.0319.17
5.2.20.0080.0349.16
5.2.10.0070.0309.07
5.2.00.0030.0328.88
5.1.60.0040.0258.17
5.1.50.0030.0268.16
5.1.40.0050.0248.15
5.1.30.0050.0288.50
5.1.20.0080.0248.52
5.1.10.0070.0258.24
5.1.00.0050.0258.24
5.0.50.0020.0236.73
5.0.40.0030.0226.59
5.0.30.0050.0306.40
5.0.20.0020.0216.36
5.0.10.0040.0196.34
5.0.00.0040.0306.34
4.4.90.0030.0154.78
4.4.80.0050.0134.76
4.4.70.0030.0154.76
4.4.60.0010.0174.75
4.4.50.0030.0154.77
4.4.40.0020.0274.72
4.4.30.0020.0174.76
4.4.20.0040.0144.85
4.4.10.0020.0164.85
4.4.00.0010.0284.76
4.3.110.0010.0184.67
4.3.100.0030.0154.66
4.3.90.0060.0114.64
4.3.80.0040.0234.63
4.3.70.0010.0164.63
4.3.60.0040.0144.63
4.3.50.0040.0144.63
4.3.40.0040.0294.57
4.3.30.0000.0193.38
4.3.20.0030.0153.36
4.3.10.0010.0213.32
4.3.00.0070.01324.50

preferences:
48.51 ms | 400 KiB | 5 Q