3v4l.org

run code in 300+ PHP versions simultaneously
<?php gc_disable(); 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)
7.4.10.0130.04426.42
7.4.00.0130.04026.25
7.3.130.0160.04126.44
7.3.120.0170.04026.18
7.3.110.0120.04026.00
7.3.100.0110.03526.27
7.3.90.0100.03726.14
7.3.80.0140.03525.97
7.3.70.0160.02726.01
7.3.60.0120.03326.22
7.3.50.0130.02826.14
7.3.40.0060.03425.96
7.3.30.0130.02825.99
7.3.20.0060.02928.86
7.3.10.0090.02728.64
7.3.00.0080.02628.93
7.2.260.0220.03626.34
7.2.250.0160.04126.16
7.2.240.0130.03426.44
7.2.230.0110.03226.40
7.2.220.0120.03426.25
7.2.210.0150.02826.20
7.2.200.0080.03326.28
7.2.190.0080.03626.22
7.2.180.0210.02126.20
7.2.170.0130.02626.24
7.2.160.0100.03226.29
7.2.150.0100.02928.98
7.2.140.0160.02528.89
7.2.130.0100.03229.02
7.2.120.0030.03128.95
7.2.110.0070.02629.11
7.2.100.0100.02929.07
7.2.90.0100.03129.18
7.2.80.0040.03228.93
7.2.70.0030.03129.11
7.2.60.0030.04729.14
7.2.50.0100.03029.20
7.2.40.0160.02229.23
7.2.30.0100.03328.84
7.2.20.0070.02729.15
7.2.10.0040.03228.85
7.2.00.0080.02530.18
7.1.330.0100.03628.14
7.1.320.0060.03927.93
7.1.310.0070.04528.06
7.1.300.0060.04727.98
7.1.290.0070.04127.88
7.1.280.0070.04327.96
7.1.270.0060.04427.92
7.1.260.0080.03928.01
7.1.250.0030.04927.93
7.1.240.0030.04428.13
7.1.230.0100.03827.76
7.1.220.0070.03428.13
7.1.210.0100.03628.01
7.1.200.0030.03728.05
7.1.190.0100.03728.03
7.1.180.0100.04827.87
7.1.170.0030.05327.67
7.1.160.0070.04227.93
7.1.150.0070.04027.84
7.1.140.0060.04228.00
7.1.130.0040.04227.92
7.1.120.0070.04828.05
7.1.110.0070.04428.16
7.1.100.0070.04228.03
7.1.90.0100.04028.06
7.1.80.0070.03727.96
7.1.70.0250.03028.55
7.1.60.0110.03628.71
7.1.50.0080.04528.55
7.1.40.0030.04227.77
7.1.30.0070.03627.71
7.1.20.0070.04127.88
7.1.10.0070.03727.68
7.1.00.0100.07231.08
7.0.330.0100.03627.65
7.0.320.0030.04227.70
7.0.310.0100.03627.63
7.0.300.0070.03627.27
7.0.290.0130.03327.61
7.0.280.0000.04627.58
7.0.270.0120.02827.75
7.0.260.0100.03627.81
7.0.250.0070.03827.67
7.0.240.0060.05227.77
7.0.230.0160.03127.47
7.0.220.0070.03727.42
7.0.210.0030.04827.79
7.0.200.0060.03928.11
7.0.190.0030.05127.65
7.0.180.0070.04327.80
7.0.170.0030.04027.56
7.0.160.0000.04427.66
7.0.150.0090.03827.68
7.0.140.0100.06730.82
7.0.130.0160.03527.38
7.0.120.0030.04527.78
7.0.110.0030.04327.66
7.0.100.0100.04927.52
7.0.90.0030.05427.62
7.0.80.0090.03827.73
7.0.70.0160.03527.71
7.0.60.0080.07129.57
7.0.50.0120.06528.40
7.0.40.0170.07018.78
7.0.30.0330.07018.71
7.0.20.0170.06518.66
7.0.10.0080.05418.64
7.0.00.0130.06818.73
5.6.400.0200.08141.80
5.6.390.0200.06641.67
5.6.380.0230.07141.33
5.6.370.0130.07441.95
5.6.360.0130.08441.69
5.6.350.0230.07241.36
5.6.340.0230.07341.71
5.6.330.0100.07641.71
5.6.320.0130.09141.53
5.6.310.0130.09441.57
5.6.300.0300.07941.33
5.6.290.0200.06741.39
5.6.280.0100.08641.43
5.6.270.0230.08241.34
5.6.260.0100.08641.67
5.6.250.0160.09841.53
5.6.240.0170.08841.79
5.6.230.0160.07841.77
5.6.220.0030.08141.45
5.6.210.0220.10244.62
5.6.200.0170.07343.29
5.6.190.0180.10444.55
5.6.180.0280.11344.37
5.6.170.0200.08344.60
5.6.160.0200.10244.37
5.6.150.0180.08543.44
5.6.140.0170.08443.42
5.6.130.0320.09143.54
5.6.120.0130.08944.89
5.6.110.0220.10744.78
5.6.100.0220.10844.85
5.6.90.0220.10744.83
5.6.80.0170.10544.55
5.6.70.2450.07944.46
5.6.60.0100.09441.67
5.6.50.0200.06641.52
5.6.40.0230.07341.39
5.6.30.0270.06441.46
5.6.20.0230.09941.75
5.6.10.0000.10041.34
5.6.00.0270.05741.25
5.5.380.0100.08241.12
5.5.370.0260.07541.27
5.5.360.0200.07041.76
5.5.350.0170.09244.60
5.5.340.0210.09943.16
5.5.330.0200.09444.52
5.5.320.0350.09344.42
5.5.310.0300.10744.36
5.5.300.0170.11643.28
5.5.290.0180.08043.18
5.5.280.0260.11044.93
5.5.270.0200.10144.53
5.5.260.0170.07744.85
5.5.250.0130.11544.49
5.5.240.0250.11444.49
5.5.230.0140.07841.66
5.5.220.0200.09841.60
5.5.210.0230.10341.69
5.5.200.0170.08641.64
5.5.190.0130.08741.31
5.5.180.0130.07541.48
5.5.170.0170.07441.34
5.5.160.0240.07841.48
5.5.150.0070.08541.51
5.5.140.0170.08141.59
5.5.130.0170.08141.52
5.5.120.0130.09141.20
5.5.110.0270.06741.27
5.5.100.0100.08341.37
5.5.90.0170.07041.55
5.5.80.0200.09741.50
5.5.70.0270.07641.32
5.5.60.0170.09941.56
5.5.50.0260.07241.28
5.5.40.0170.07141.41
5.5.30.0200.07841.51
5.5.20.0140.08541.27
5.5.10.0230.09341.39
5.5.00.0130.08441.51
5.4.450.0700.09742.10
5.4.440.0370.11642.53
5.4.430.0770.10642.30
5.4.420.0830.10742.39
5.4.410.0550.10642.24
5.4.400.0680.10342.28
5.4.390.0620.09942.19
5.4.380.0580.10042.13
5.4.370.0630.11542.08
5.4.360.0650.10942.13
5.4.350.0650.12042.22
5.4.340.0230.07038.67
5.4.330.0230.08338.38
5.4.320.0160.08238.91
5.4.310.0110.08238.72
5.4.300.0160.08238.96
5.4.290.0180.07938.71
5.4.280.0130.08038.88
5.4.270.0130.08138.82
5.4.260.0170.08238.91
5.4.250.0120.09338.82
5.4.240.0160.07838.79
5.4.230.0150.08338.76
5.4.220.0120.08238.67
5.4.210.0200.08038.86
5.4.200.0150.07938.82
5.4.190.0220.07438.74
5.4.180.0210.08738.78
5.4.170.0120.09538.83
5.4.160.0220.09838.65
5.4.150.0240.07738.77
5.4.140.0150.08438.71
5.4.130.0160.08638.73
5.4.120.0130.08438.61
5.4.110.0180.08538.68
5.4.100.0140.08038.59
5.4.90.0150.08538.55
5.4.80.0120.08538.54
5.4.70.0110.08438.63
5.4.60.0090.09538.50
5.4.50.0150.08638.63
5.4.40.0150.07738.61
5.4.30.0200.11338.69
5.4.20.0140.08638.51
5.4.10.0180.07738.63
5.4.00.0170.08038.38
5.3.290.0220.12062.30
5.3.280.0200.12762.23
5.3.270.0180.13162.24
5.3.260.0280.12862.24
5.3.250.0300.13762.24
5.3.240.0250.13262.24
5.3.230.0230.13162.23
5.3.220.0250.12862.20
5.3.210.0220.14962.20
5.3.200.0210.12262.20
5.3.190.0210.13762.20
5.3.180.0200.13162.20
5.3.170.0200.12562.20
5.3.160.0250.11962.20
5.3.150.0220.14362.20
5.3.140.0300.14362.19
5.3.130.0270.12562.18
5.3.120.0380.20862.18
5.3.110.0290.13562.19
5.3.100.0290.12261.67
5.3.90.0330.13161.66
5.3.80.0320.13561.64
5.3.70.0190.12661.64
5.3.60.0300.17161.63
5.3.50.0380.13361.58
5.3.40.0250.14261.57
5.3.30.0170.12461.54
5.3.20.0330.16561.32
5.3.10.0220.16461.28
5.3.00.0310.12761.26
5.2.170.0080.0409.23
5.2.160.0070.0409.24
5.2.150.0050.0439.24
5.2.140.0050.0339.23
5.2.130.0080.0449.19
5.2.120.0090.0379.20
5.2.110.0070.0389.20
5.2.100.0060.0389.20
5.2.90.0030.0319.20
5.2.80.0020.0339.18
5.2.70.0050.0319.19
5.2.60.0080.0329.14
5.2.50.0070.0319.11
5.2.40.0090.0309.09
5.2.30.0030.0349.06
5.2.20.0030.0309.05
5.2.10.0040.0278.96
5.2.00.0060.0278.83
5.1.60.0050.0238.10
5.1.50.0040.0258.10
5.1.40.0030.0258.08
5.1.30.0060.0268.44
5.1.20.0050.0268.45
5.1.10.0010.0298.18
5.1.00.0060.0248.18
5.0.50.0030.0216.66
5.0.40.0040.0186.52
5.0.30.0020.0336.33
5.0.20.0020.0206.30
5.0.10.0050.0186.28
5.0.00.0020.0316.27
4.4.90.0050.0134.78
4.4.80.0030.0154.75
4.4.70.0030.0164.75
4.4.60.0030.0174.75
4.4.50.0060.0124.77
4.4.40.0020.0264.71
4.4.30.0050.0174.76
4.4.20.0040.0144.84
4.4.10.0010.0194.85
4.4.00.0000.0274.76
4.3.110.0040.0194.66
4.3.100.0020.0154.66
4.3.90.0030.0144.64
4.3.80.0030.0244.59
4.3.70.0030.0154.63
4.3.60.0020.0164.63
4.3.50.0030.0164.63
4.3.40.0040.0254.54
4.3.30.0010.0173.30
4.3.20.0030.0153.28
4.3.10.0030.0143.23
4.3.00.0200.0207.48

preferences:
44.45 ms | 401 KiB | 5 Q