3v4l.org

run code in 300+ PHP versions simultaneously
<?php gc_enable(); class x { public $value; public $y; public function __construct($value) { $this->value = $value; $this->y = new y(); } } class y { } $array = array(); for($i = 0; $i < 50000; $i++) { $array[] = new x(md5('Hallo')); } var_dump(number_format(memory_get_usage(), 0, ',', '.')) . "\n"; var_dump(number_format(memory_get_usage(true), 0,',','.')) . "\n"; unset($array); var_dump(number_format(memory_get_usage(), 0, ',', '.')) . "\n"; var_dump(number_format(memory_get_usage(true), 0,',','.')) . "\n";

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)
7.4.10.0100.04625.93
7.4.00.0130.04225.78
7.3.130.0190.03226.00
7.3.120.0230.03325.99
7.3.110.0160.04126.05
7.3.100.0130.03025.68
7.3.90.0140.03125.81
7.3.80.0100.02825.66
7.3.70.0140.02826.02
7.3.60.0060.03225.71
7.3.50.0160.02925.97
7.3.40.0110.02925.54
7.3.30.0070.03025.83
7.3.20.0070.03028.82
7.3.10.0030.02828.88
7.3.00.0180.02828.69
7.2.260.0100.04126.32
7.2.250.0100.05126.49
7.2.240.0030.03726.34
7.2.230.0100.04126.43
7.2.220.0130.03326.20
7.2.210.0030.04226.29
7.2.200.0100.03326.20
7.2.190.0070.03826.47
7.2.180.0070.03426.50
7.2.170.0070.04126.21
7.2.160.0160.02926.48
7.2.150.0070.03429.00
7.2.140.0000.04228.91
7.2.130.0160.02928.86
7.2.120.0110.04428.94
7.2.110.0150.03329.22
7.2.100.0120.03028.89
7.2.90.0180.03629.00
7.2.80.0100.04228.98
7.2.70.0130.03328.88
7.2.60.0160.03429.08
7.2.50.0080.03729.00
7.2.40.0170.03229.14
7.2.30.0140.03529.05
7.2.20.0210.03328.99
7.2.10.0130.04128.90
7.2.00.0130.02929.81
7.1.330.0090.03528.02
7.1.320.0070.04427.94
7.1.310.0070.04327.81
7.1.300.0030.04627.91
7.1.290.0100.04027.66
7.1.280.0070.03827.71
7.1.270.0070.04027.68
7.1.260.0030.04427.95
7.1.250.0100.04527.96
7.1.240.0100.04828.05
7.1.230.0130.04127.79
7.1.220.0130.04227.96
7.1.210.0150.04227.97
7.1.200.0120.05127.88
7.1.190.0080.04527.91
7.1.180.0120.04127.92
7.1.170.0140.03927.81
7.1.160.0110.04127.91
7.1.150.0170.04627.77
7.1.140.0170.05027.98
7.1.130.0080.04727.89
7.1.120.0210.03927.62
7.1.110.0160.04127.90
7.1.100.0210.04127.90
7.1.90.0080.05227.81
7.1.80.0100.04927.70
7.1.70.0060.04728.33
7.1.60.0190.04328.45
7.1.50.0090.05228.33
7.1.40.0130.04527.90
7.1.30.0100.04827.75
7.1.20.0140.04327.89
7.1.10.0110.05427.86
7.1.00.0120.06429.90
7.0.330.0130.04527.58
7.0.320.0100.05527.66
7.0.310.0120.05227.58
7.0.300.0150.03827.73
7.0.290.0140.04127.60
7.0.280.0150.04527.45
7.0.270.0070.04827.46
7.0.260.0170.04027.60
7.0.250.0100.04727.40
7.0.240.0050.05027.74
7.0.230.0150.04227.51
7.0.220.0100.04827.52
7.0.210.0120.04627.45
7.0.200.0080.04428.08
7.0.190.0110.04427.59
7.0.180.0150.04127.71
7.0.170.0110.04027.84
7.0.160.0110.04127.58
7.0.150.0070.04927.74
7.0.140.0110.06129.80
7.0.130.0170.04927.50
7.0.120.0080.04927.46
7.0.110.0160.04527.65
7.0.100.0150.04927.62
7.0.90.0130.05027.67
7.0.80.0070.05127.66
7.0.70.0090.04727.67
7.0.60.0110.07528.73
7.0.50.0120.06028.09
7.0.40.0090.05817.54
7.0.30.0190.06117.49
7.0.20.0130.06917.64
7.0.10.0040.06717.73
7.0.00.0050.05917.67
5.6.400.0260.09941.61
5.6.390.0200.08141.70
5.6.380.0150.08141.67
5.6.370.0130.08441.18
5.6.360.0130.09041.67
5.6.350.0210.09441.64
5.6.340.0170.09541.64
5.6.330.0180.08341.43
5.6.320.0240.09241.58
5.6.310.0150.08641.13
5.6.300.0260.07641.51
5.6.290.0120.09841.37
5.6.280.0280.09843.83
5.6.270.0190.08341.56
5.6.260.0180.09541.74
5.6.250.0250.07541.50
5.6.240.0170.08641.70
5.6.230.0180.08441.35
5.6.220.0180.09741.57
5.6.210.0290.10143.50
5.6.200.0180.10642.83
5.6.190.0140.09343.38
5.6.180.0240.08943.36
5.6.170.0260.08943.19
5.6.160.0250.08143.49
5.6.150.0230.10442.72
5.6.140.0190.08942.81
5.6.130.0220.10342.71
5.6.120.0230.10143.64
5.6.110.0230.09043.38
5.6.100.0240.09443.60
5.6.90.0180.10243.71
5.6.80.0180.10643.49
5.6.70.1750.09543.36
5.6.60.0160.09241.69
5.6.50.0230.10241.60
5.6.40.0100.10141.43
5.6.30.0290.07841.40
5.6.20.0190.11441.16
5.6.10.0210.10041.44
5.6.00.0240.09541.35
5.5.380.0080.09539.89
5.5.370.0170.08139.86
5.5.360.0230.10339.56
5.5.350.0290.08542.43
5.5.340.0180.09941.62
5.5.330.0190.10642.33
5.5.320.0160.10942.38
5.5.310.0240.10442.38
5.5.300.0260.09341.43
5.5.290.0140.11641.57
5.5.280.0120.09742.47
5.5.270.0220.09942.61
5.5.260.0140.10142.56
5.5.250.0270.10542.45
5.5.240.0300.09042.34
5.5.230.0180.09139.71
5.5.220.0110.10739.79
5.5.210.0100.10540.01
5.5.200.0120.09939.79
5.5.190.0230.09539.94
5.5.180.0230.10139.87
5.5.170.0160.09039.96
5.5.160.0250.08539.89
5.5.150.0140.08839.94
5.5.140.0190.09040.04
5.5.130.0250.10439.92
5.5.120.0220.08439.87
5.5.110.0120.09039.87
5.5.100.0230.08640.01
5.5.90.0220.08739.81
5.5.80.0180.10539.84
5.5.70.0150.09539.91
5.5.60.0280.08239.87
5.5.50.0140.08839.88
5.5.40.0290.08539.72
5.5.30.0200.09839.83
5.5.20.0180.08739.86
5.5.10.0200.08139.74
5.5.00.0190.08639.63
5.4.450.0610.10740.81
5.4.440.0610.13340.91
5.4.430.0540.11141.04
5.4.420.0560.12341.04
5.4.410.0490.10740.84
5.4.400.0470.10740.60
5.4.390.0480.11740.76
5.4.380.0470.11840.86
5.4.370.0570.13340.68
5.4.360.0510.10840.69
5.4.350.0520.10240.88
5.4.340.0130.10138.50
5.4.330.0220.07938.11
5.4.320.0160.09738.63
5.4.310.0200.08938.55
5.4.300.0190.08938.54
5.4.290.0200.09938.63
5.4.280.0140.09538.54
5.4.270.0130.09038.54
5.4.260.0140.09038.57
5.4.250.0220.08538.45
5.4.240.0170.09738.52
5.4.230.0150.10938.62
5.4.220.0170.08838.61
5.4.210.0190.08638.61
5.4.200.0180.08738.62
5.4.190.0220.10038.51
5.4.180.0140.09238.52
5.4.170.0130.10438.62
5.4.160.0170.08938.54
5.4.150.0150.09238.67
5.4.140.0160.09038.55
5.4.130.0180.09738.39
5.4.120.0230.08538.44
5.4.110.0140.09538.45
5.4.100.0200.08938.53
5.4.90.0180.08838.46
5.4.80.0110.09438.47
5.4.70.0200.08738.59
5.4.60.0130.09938.43
5.4.50.0200.09038.49
5.4.40.0220.09638.35
5.4.30.0140.10038.39
5.4.20.0150.09138.37
5.4.10.0120.09638.55
5.4.00.0190.08438.42
5.3.290.0190.14561.26
5.3.280.0220.15361.15
5.3.270.0240.14461.14
5.3.260.0240.14661.13
5.3.250.0320.13961.17
5.3.240.0250.15161.09
5.3.230.0250.15361.08
5.3.220.0210.14961.08
5.3.210.0220.15461.07
5.3.200.0240.14861.08
5.3.190.0270.14961.14
5.3.180.0180.15161.04
5.3.170.0300.15261.06
5.3.160.0200.14961.04
5.3.150.0210.15561.00
5.3.140.0270.13861.13
5.3.130.0240.14761.11
5.3.120.0240.16061.03
5.3.110.0220.15460.96
5.3.100.0270.14060.84
5.3.90.0210.15160.86
5.3.80.0240.14760.72
5.3.70.0270.15060.73
5.3.60.0230.15360.64
5.3.50.0300.15460.65
5.3.40.0290.13960.68
5.3.30.0170.14860.76
5.3.20.0270.14460.54
5.3.10.0250.13660.47
5.3.00.0230.14160.42
5.2.170.0050.01710.21
5.2.160.0050.01610.21
5.2.150.0060.01610.21
5.2.140.0040.01810.21
5.2.130.0050.01610.18
5.2.120.0030.01910.18
5.2.110.0060.01610.19
5.2.100.0030.01710.19
5.2.90.0050.01810.18
5.2.80.0030.01810.18
5.2.70.0040.01710.18
5.2.60.0050.01510.16
5.2.50.0030.01910.14
5.2.40.0040.01610.13
5.2.30.0030.01910.12
5.2.20.0080.01410.11
5.2.10.0060.01510.07
5.2.00.0040.02110.00
5.1.60.0040.0159.64
5.1.50.0050.0139.64
5.1.40.0030.0139.63
5.1.30.0050.0169.81
5.1.20.0020.0179.81
5.1.10.0040.0159.68
5.1.00.0050.0139.68
5.0.50.0030.0128.92
5.0.40.0050.0108.85
5.0.30.0020.0198.75
5.0.20.0020.0128.74
5.0.10.0030.0108.72
5.0.00.0030.0178.72
4.4.90.0020.0097.98
4.4.80.0020.0097.97
4.4.70.0030.0097.97
4.4.60.0030.0077.96
4.4.50.0030.0087.97
4.4.40.0010.0157.94
4.4.30.0030.0087.97
4.4.20.0010.0118.01
4.4.10.0040.0078.01
4.4.00.0030.0147.96
4.3.110.0020.0107.92
4.3.100.0050.0077.92
4.3.90.0040.0077.90
4.3.80.0010.0147.88
4.3.70.0020.0087.90
4.3.60.0040.0077.90
4.3.50.0020.0107.90
4.3.40.0020.0147.86
4.3.30.0010.0127.24
4.3.20.0010.0107.23
4.3.10.0040.0077.21
4.3.00.0050.0149.33

preferences:
44.29 ms | 401 KiB | 5 Q