3v4l.org

run code in 300+ PHP versions simultaneously
<?php function delta() { static $lastmem; $delta = memory_get_peak_usage() - $lastmem; if ($lastmem == 0) $delta = 0; $lastmem = memory_get_peak_usage(); return $delta; } $a=range(1, 500); for($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)
8.3.60.0100.01016.63
8.3.50.0150.00422.11
8.3.40.0150.00018.68
8.3.30.0100.00319.12
8.3.20.0070.00020.34
8.3.10.0030.00623.61
8.3.00.0080.00019.00
8.2.180.0110.00416.50
8.2.170.0040.01522.96
8.2.160.0080.00818.91
8.2.150.0060.00324.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0090.00019.48
8.2.110.0040.00820.47
8.2.100.0040.00818.03
8.2.90.0040.00419.26
8.2.80.0040.00417.97
8.2.70.0080.00017.73
8.2.60.0090.00318.04
8.2.50.0060.00318.07
8.2.40.0100.00020.07
8.2.30.0000.00718.43
8.2.20.0040.00417.88
8.2.10.0040.00418.15
8.2.00.0000.00819.40
8.1.280.0110.00725.92
8.1.270.0040.00422.19
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0100.00323.82
8.1.230.0110.00023.91
8.1.220.0030.00517.74
8.1.210.0030.00518.77
8.1.200.0040.00417.47
8.1.190.0000.00817.10
8.1.180.0050.00318.10
8.1.170.0030.00618.55
8.1.160.0040.00422.04
8.1.150.0070.00018.65
8.1.140.0040.00417.48
8.1.130.0030.00317.77
8.1.120.0070.00017.50
8.1.110.0000.00817.50
8.1.100.0000.00717.50
8.1.90.0040.00417.39
8.1.80.0030.00417.37
8.1.70.0040.00417.43
8.1.60.0030.00617.62
8.1.50.0040.00417.46
8.1.40.0030.00617.41
8.1.30.0000.00817.75
8.1.20.0050.00317.63
8.1.10.0040.00417.38
8.1.00.0000.00817.34
8.0.300.0000.00718.77
8.0.290.0080.00016.88
8.0.280.0070.00018.38
8.0.270.0050.00317.24
8.0.260.0000.00817.29
8.0.250.0030.00316.96
8.0.240.0040.00416.91
8.0.230.0050.00216.89
8.0.220.0000.00817.00
8.0.210.0050.00216.88
8.0.200.0000.00616.91
8.0.190.0040.00417.02
8.0.180.0000.00817.02
8.0.170.0000.00816.89
8.0.160.0030.00316.92
8.0.150.0000.00716.80
8.0.140.0000.00716.91
8.0.130.0060.00013.44
8.0.120.0030.00516.92
8.0.110.0060.00316.94
8.0.100.0030.00616.93
8.0.90.0030.00516.96
8.0.80.0110.00616.95
8.0.70.0030.00616.85
8.0.60.0040.00416.87
8.0.50.0020.00516.99
8.0.30.0100.01217.17
8.0.20.0110.01017.40
8.0.10.0050.00317.16
8.0.00.0090.00716.81
7.4.330.0000.00815.00
7.4.320.0000.00616.40
7.4.300.0060.00016.58
7.4.290.0070.00016.52
7.4.280.0050.00316.52
7.4.270.0030.00316.64
7.4.260.0030.00516.52
7.4.250.0000.00716.60
7.4.240.0070.00016.52
7.4.230.0030.00316.45
7.4.220.0060.01316.48
7.4.210.0090.00616.57
7.4.200.0000.00816.63
7.4.160.0140.00316.43
7.4.150.0100.00717.40
7.4.140.0070.01317.86
7.4.130.0150.00616.69
7.4.120.0100.00716.56
7.4.110.0070.01016.44
7.4.100.0060.01116.64
7.4.90.0080.00816.54
7.4.80.0150.00419.39
7.4.70.0040.01416.61
7.4.60.0200.00016.50
7.4.50.0000.00416.44
7.4.40.0110.00516.42
7.4.30.0110.00416.45
7.4.00.0080.00315.15
7.3.330.0030.00313.35
7.3.320.0060.00013.26
7.3.310.0040.00416.45
7.3.300.0000.00716.39
7.3.290.0030.01516.32
7.3.280.0060.01216.33
7.3.270.0100.00717.40
7.3.260.0130.01016.76
7.3.250.0060.01216.44
7.3.240.0100.01316.39
7.3.230.0080.00816.39
7.3.210.0130.00316.47
7.3.200.0080.00919.39
7.3.190.0150.00416.68
7.3.180.0100.00616.31
7.3.170.0090.00916.44
7.3.160.0120.00616.51
7.3.120.0060.01015.18
7.3.10.0040.01116.74
7.3.00.0090.00316.67
7.2.330.0120.00916.86
7.2.320.0090.01316.51
7.2.310.0100.00716.51
7.2.300.0030.01416.79
7.2.290.0060.01616.60
7.2.130.0100.00716.69
7.2.120.0030.00616.94
7.2.110.0000.01616.76
7.2.100.0040.01116.71
7.2.90.0060.00916.94
7.2.80.0000.01316.87
7.2.70.0070.00717.01
7.2.60.0100.00417.02
7.2.50.0030.01017.01
7.2.40.0000.01516.93
7.2.30.0030.00716.96
7.2.20.0000.01417.04
7.2.10.0030.01017.09
7.2.00.0020.01218.14
7.1.250.0110.00316.02
7.1.200.0030.01015.74
7.1.100.0100.00318.21
7.1.70.0000.00817.38
7.1.60.0060.00619.70
7.1.50.0040.01516.82
7.1.00.0070.07322.57
7.0.200.0000.01016.31
7.0.140.0000.07022.05
7.0.60.0230.04019.99
7.0.50.0030.04017.91
7.0.40.0030.05020.30
7.0.30.0270.04020.30
7.0.20.0230.09720.33
7.0.10.0100.05020.26
7.0.00.0100.04320.10
5.6.280.0030.07020.93
5.6.210.0100.05720.48
5.6.200.0070.04318.26
5.6.190.0100.05720.42
5.6.180.0300.05020.73
5.6.170.0270.07320.71
5.6.160.0100.08020.61
5.6.150.0230.06718.14
5.6.140.0170.07318.24
5.6.130.0070.04018.17
5.6.120.0130.07721.05
5.6.110.0030.09021.02
5.6.100.0100.06721.02
5.6.90.0070.08021.16
5.6.80.0170.07320.40
5.5.350.0300.07320.41
5.5.340.0070.08717.97
5.5.330.0070.03720.19
5.5.320.0200.04320.29
5.5.310.0230.07720.34
5.5.300.0100.06317.95
5.5.290.0030.06318.00
5.5.280.0030.05020.83
5.5.270.0100.05320.71
5.5.260.0100.04720.86
5.5.250.0100.07720.58
5.5.240.0070.07720.16
5.4.450.4300.03719.26
5.4.440.0030.08019.43
5.4.430.0030.07319.32
5.4.420.4630.04319.55
5.4.410.4300.03319.26
5.4.400.4100.03719.25
5.4.390.4070.03719.22
5.4.380.4130.03319.17
5.4.370.4500.03719.13
5.4.360.3870.04019.06
5.4.350.4170.06719.04
5.4.340.4100.04018.98
5.4.320.0170.04019.24
5.4.310.0130.05019.15
5.4.300.0200.03719.24
5.4.290.0270.03018.93
5.4.280.0170.04018.98
5.4.270.0230.03319.14
5.4.260.0170.04019.22
5.4.250.0230.03319.17
5.4.240.0130.05019.16
5.4.230.0230.03719.03
5.4.220.0200.03719.14
5.4.210.0270.03319.11
5.4.200.0100.05019.10
5.4.190.0230.03719.20
5.4.180.0200.04319.14
5.4.170.0200.03719.05
5.4.160.0370.04018.92
5.4.150.0270.04018.97
5.4.140.0300.02716.60
5.4.130.0130.04016.44
5.4.120.0230.03716.44
5.4.110.0270.03716.60
5.4.100.0170.03716.61
5.4.90.0170.03716.51
5.4.80.0230.03316.48
5.4.70.0170.05016.59
5.4.60.0270.03016.55
5.4.50.0270.07016.50
5.4.40.0370.06016.55
5.4.30.0300.05316.58
5.4.20.0230.05016.58
5.4.10.0200.04016.57
5.4.00.0270.04315.75
5.3.290.0230.03314.84
5.3.280.0230.04014.73
5.3.270.0230.03714.88
5.3.260.0200.04314.75
5.3.250.0230.03014.79
5.3.240.0270.02714.73
5.3.230.0170.04314.62
5.3.220.0170.03714.70
5.3.210.0230.03314.86
5.3.200.0200.03714.75
5.3.190.0170.04314.74
5.3.180.0270.03014.70
5.3.170.0130.04014.76
5.3.160.0200.04314.69
5.3.150.0170.04314.70
5.3.140.0270.07014.68
5.3.130.0200.05314.60
5.3.120.0270.03314.75
5.3.110.0330.04314.75
5.3.100.0300.07014.22
5.3.90.0300.07314.14
5.3.80.0230.04014.09
5.3.70.0300.05714.31
5.3.60.0300.06014.08
5.3.50.0270.07313.99
5.3.40.0230.04714.03
5.3.30.0370.05014.05
5.3.20.0330.06713.83
5.3.10.0330.05313.80
5.3.00.0300.06713.74
5.2.170.0270.05711.16
5.2.160.0230.06011.42
5.2.150.0270.05711.27
5.2.140.0230.06011.28
5.2.130.0230.05011.23
5.2.120.0270.04311.14
5.2.110.0200.06311.26
5.2.100.0230.03711.26
5.2.90.0270.03311.24
5.2.80.0330.04011.23
5.2.70.0230.03711.28
5.2.60.0400.04711.14
5.2.50.0230.05711.06
5.2.40.0170.04311.12
5.2.30.0300.05011.14
5.2.20.0330.04711.11
5.2.10.0200.05710.89
5.2.00.0200.05710.79
5.1.60.0170.03010.04
5.1.50.0270.0439.98
5.1.40.0330.03010.07
5.1.30.0230.05010.35
5.1.20.0200.02710.51
5.1.10.0200.04010.29
5.1.00.0230.05710.16
5.0.50.0100.0478.70
5.0.40.0130.0238.70
5.0.30.0170.0338.70
5.0.20.0130.0438.70
5.0.10.0130.0438.70
5.0.00.0100.0378.70
4.4.90.0070.0378.70
4.4.80.0100.0378.70
4.4.70.0100.0378.70
4.4.60.0130.0208.70
4.4.50.0130.0338.70
4.4.40.0100.0308.70
4.4.30.0130.0338.70
4.4.20.0070.0238.70
4.4.10.0130.0208.70
4.4.00.0100.0408.70
4.3.110.0100.0208.70
4.3.100.0130.0338.70
4.3.90.0100.0208.70
4.3.80.0100.0538.70
4.3.70.0130.0338.70
4.3.60.0130.0308.70
4.3.50.0100.0238.70
4.3.40.0100.0538.70
4.3.30.0070.0338.70
4.3.20.0030.0308.70
4.3.10.0030.0278.70
4.3.00.0100.0178.70

preferences:
37 ms | 401 KiB | 5 Q