3v4l.org

run code in 300+ PHP versions simultaneously
<?php gc_enable(); class x { public $value; public function __construct($value) { $this->value = $value; } } $array = array(); for($i = 0; $i < 50000; $i++) { $array[] = md5('Hallo'); } $x = new x($array); var_dump(number_format(memory_get_usage(), 0, ',', '.')) . "\n"; var_dump(number_format(memory_get_usage(true), 0,',','.')) . "\n"; unset($array); unset($x); 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)
7.4.00.0090.02219.41
7.3.120.0100.02719.58
7.3.110.0030.02719.55
7.3.100.0150.01219.45
7.3.90.0120.01219.43
7.3.80.0140.01119.46
7.3.70.0100.01719.67
7.3.60.0130.01719.38
7.3.50.0060.02219.43
7.3.40.0100.01619.57
7.3.30.0120.01519.27
7.3.20.0100.01320.34
7.3.10.0060.02020.48
7.3.00.0080.01820.52
7.2.250.0130.02719.55
7.2.240.0060.03519.62
7.2.230.0070.02719.35
7.2.220.0190.01319.73
7.2.210.0100.02019.94
7.2.200.0140.01719.91
7.2.190.0100.02019.83
7.2.180.0150.01219.70
7.2.170.0100.01719.84
7.2.130.0040.02120.91
7.2.120.0030.02020.80
7.2.110.0070.02120.84
7.2.100.0100.02620.96
7.2.90.0140.01720.85
7.2.80.0170.01720.70
7.2.70.0070.01620.87
7.2.60.0070.02120.95
7.2.50.0070.02620.85
7.2.40.0060.01820.87
7.2.30.0130.02320.81
7.2.20.0070.02720.74
7.2.10.0030.02420.98
7.2.00.0080.01722.03
7.1.330.0060.02919.50
7.1.320.0040.02519.62
7.1.310.0030.02419.91
7.1.300.0100.02319.72
7.1.290.0090.02219.82
7.1.280.0060.02219.56
7.1.270.0040.02519.68
7.1.260.0030.02919.69
7.1.250.0060.02219.70
7.1.70.0000.01921.04
7.1.60.0100.01920.86
7.1.50.0030.01920.94
7.1.00.0000.09726.37
7.0.200.0030.01920.61
7.0.140.0070.09026.00
7.0.100.0230.10324.75
7.0.90.0630.06324.99
7.0.80.0030.12024.77
7.0.70.0070.07724.75
7.0.60.0170.10724.75
7.0.50.0170.09325.21
7.0.40.0100.05021.38
7.0.30.0370.10321.46
7.0.20.0170.07321.33
7.0.10.0300.06721.42
7.0.00.0170.09321.31
5.6.280.0130.09730.77
5.6.250.0130.10330.30
5.6.240.0130.11030.39
5.6.230.0200.09330.36
5.6.220.0170.06330.39
5.6.210.0100.07330.32
5.6.200.0170.10330.72
5.6.190.0130.07030.80
5.6.180.0200.10030.74
5.6.170.0130.07730.74
5.6.160.0130.11330.64
5.6.150.0100.06330.80
5.6.140.0130.06730.64
5.6.130.0070.06730.84
5.6.120.0070.08030.70
5.6.110.0130.05730.80
5.6.100.0100.06030.77
5.6.90.0030.07030.78
5.6.80.0130.05330.13
5.6.70.0100.05730.08
5.6.60.0070.07330.00
5.6.50.0070.06030.00
5.6.40.0030.06330.06
5.6.30.0130.05330.02
5.6.20.0000.06730.06
5.6.10.0000.06330.13
5.6.00.0130.05330.21
5.5.380.0170.06730.20
5.5.370.0230.10330.13
5.5.360.0130.11730.13
5.5.350.0130.09730.13
5.5.340.0330.08730.60
5.5.330.0130.11030.31
5.5.320.0070.11030.59
5.5.310.0100.11030.61
5.5.300.0200.05730.49
5.5.290.0130.06030.57
5.5.280.0070.06330.60
5.5.270.0030.07730.61
5.5.260.0100.06030.50
5.5.250.0030.06330.34
5.5.240.0030.06329.98
5.5.230.0000.06729.93
5.5.220.0130.09030.02
5.5.210.0170.05029.88
5.5.200.0070.06029.84
5.5.190.0100.09029.91
5.5.180.0030.06729.85
5.5.160.0030.06329.96
5.5.150.0070.05729.68
5.5.140.0130.05029.97
5.5.130.0130.08729.90
5.5.120.0070.05729.82
5.5.110.0100.08029.68
5.5.100.0100.06729.86
5.5.90.0130.05729.63
5.5.80.0070.11329.79
5.5.70.0200.09729.81
5.5.60.0170.07729.75
5.5.50.0030.09029.75
5.5.40.0030.06729.73
5.5.30.0100.06029.75
5.5.20.0030.07029.85
5.5.10.0070.08029.71
5.5.00.0200.10729.80
5.4.450.0070.06029.00
5.4.440.0030.06328.84
5.4.430.0100.07329.16
5.4.420.0030.06728.85
5.4.410.0030.06029.04
5.4.400.0100.07328.51
5.4.390.0070.05728.84
5.4.380.0070.05728.64
5.4.370.0130.04728.70
5.4.360.0030.06328.65
5.4.350.0070.07328.70
5.4.340.0030.08328.66
5.4.320.0000.06328.84
5.4.310.0030.06028.81
5.4.300.0130.05028.64
5.4.290.0130.04328.63
5.4.280.0130.05028.65
5.4.270.0100.06028.68
5.4.260.0000.06328.69
5.4.250.0100.06328.64
5.4.240.0100.05328.72
5.4.230.0170.10328.48
5.4.220.0100.12328.64
5.4.210.0130.11028.57
5.4.200.0130.06328.72
5.4.190.0170.09728.66
5.4.180.0030.12028.79
5.4.170.0170.10728.83
5.4.160.0070.09728.75
5.4.150.0070.08328.48
5.4.140.0130.04725.83
5.4.130.0000.09325.85
5.4.120.0100.05026.00
5.4.110.0070.05726.02
5.4.100.0100.10726.01
5.4.90.0130.08726.02
5.4.80.0070.10026.08
5.4.70.0070.09726.01
5.4.60.0170.08725.98
5.4.50.0100.09326.13
5.4.40.0030.10025.95
5.4.30.0070.11326.07
5.4.20.0070.11026.09
5.4.10.0230.08725.97
5.4.00.0130.09725.57
5.3.290.0030.06024.04
5.3.280.0230.09724.11
5.3.270.0030.11724.13
5.3.260.0100.12024.09
5.3.250.0100.07024.05
5.3.240.0170.11724.05
5.3.230.0130.06024.12
5.3.220.0030.10024.10
5.3.210.0000.06024.04
5.3.200.0130.10724.07
5.3.190.0000.10323.94
5.3.180.0100.05324.01
5.3.170.0170.09723.93
5.3.160.0100.09723.97
5.3.150.0070.10023.94
5.3.140.0070.11023.93
5.3.130.0030.12324.06
5.3.120.0170.10324.01
5.3.110.0170.10023.98
5.3.100.0100.11323.51
5.3.90.0100.08023.46
5.3.80.0200.09323.33
5.3.70.0100.09723.48
5.3.60.0030.06723.38
5.3.50.0230.07723.29
5.3.40.0070.09723.36
5.3.30.0230.06323.24
5.3.20.0100.09323.14
5.3.10.0200.08023.00
5.3.00.0170.08723.10
5.2.170.0070.06011.66
5.2.160.0100.05311.66
5.2.150.0030.06311.66
5.2.140.0000.06311.66
5.2.130.0070.04011.66
5.2.120.0070.06011.66
5.2.110.0070.06311.66
5.2.100.0030.03311.66
5.2.90.0100.06011.66
5.2.80.0030.06011.66
5.2.70.0070.05711.66
5.2.60.0030.06311.66
5.2.50.0030.06011.66
5.2.40.0070.03011.66
5.2.30.0000.05711.66
5.2.20.0030.04311.66
5.2.10.0070.05711.66
5.2.00.0030.06011.66
5.1.60.0030.03011.66
5.1.50.0030.02711.66
5.1.40.0100.04711.66
5.1.30.0000.06311.66
5.1.20.0070.05711.66
5.1.10.0070.05711.66
5.1.00.0030.03011.66
5.0.50.0030.04711.66
5.0.40.0030.04311.66
5.0.30.0100.05711.66
5.0.20.0030.04011.66
5.0.10.0070.02311.66
5.0.00.0000.03711.66
4.4.90.0070.02711.66
4.4.80.0030.03711.66
4.4.70.0070.03311.66
4.4.60.0030.02711.66
4.4.50.0000.04011.66
4.4.40.0030.05011.66
4.4.30.0130.00711.66
4.4.20.0030.02011.66
4.4.10.0030.01311.66
4.4.00.0070.03011.66
4.3.110.0000.02011.66
4.3.100.0000.03711.66
4.3.90.0000.02711.66
4.3.80.0030.03011.66
4.3.70.0000.03311.66
4.3.60.0000.03311.66
4.3.50.0030.02711.66
4.3.40.0130.03011.66
4.3.30.0030.03311.66
4.3.20.0030.02011.66
4.3.10.0030.01711.66
4.3.00.0000.02011.66

preferences:
38.67 ms | 401 KiB | 5 Q