3v4l.org

run code in 300+ PHP versions simultaneously
<?php gc_disable(); 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)
7.4.00.0140.02419.44
7.3.120.0160.02219.40
7.3.110.0070.02619.46
7.3.100.0100.02719.55
7.3.90.0120.02219.60
7.3.80.0080.01919.35
7.3.70.0110.01219.66
7.3.60.0070.02119.46
7.3.50.0050.02819.54
7.3.40.0070.02019.42
7.3.30.0090.02019.29
7.3.20.0060.02120.65
7.3.10.0080.01620.45
7.3.00.0050.02020.26
7.2.250.0110.02819.63
7.2.240.0140.02419.76
7.2.230.0100.02519.55
7.2.220.0120.02319.96
7.2.210.0050.02219.76
7.2.200.0060.01919.56
7.2.190.0050.02119.67
7.2.180.0110.02119.79
7.2.170.0050.02519.61
7.2.00.0070.02123.36
7.1.330.0050.02619.51
7.1.320.0050.02319.84
7.1.310.0090.02119.56
7.1.300.0030.02919.66
7.1.290.0050.02819.45
7.1.280.0020.03019.84
7.1.270.0130.01819.69
7.1.260.0070.02419.75
7.1.70.0000.02820.91
7.1.60.0030.02421.23
7.1.50.0030.04320.79
7.1.00.0070.09326.19
7.0.200.0000.04020.70
7.0.140.0030.09326.15
7.0.100.0030.06024.83
7.0.90.0130.04724.71
7.0.80.0030.05724.69
7.0.70.0100.08324.79
7.0.60.0200.05024.58
7.0.50.0230.05325.11
7.0.40.0070.10021.23
7.0.30.0300.08721.29
7.0.20.0200.05721.42
7.0.10.0070.07321.35
7.0.00.0130.09021.25
5.6.280.0130.10030.80
5.6.250.0100.05730.24
5.6.240.0170.05330.16
5.6.230.0100.05330.36
5.6.220.0130.09730.22
5.6.210.0000.12030.20
5.6.200.0200.12330.71
5.6.190.0070.11330.58
5.6.180.0070.08730.66
5.6.170.0200.12330.82
5.6.160.0100.11030.75
5.6.150.0170.06730.70
5.6.140.0170.11030.69
5.6.130.0100.08730.68
5.6.120.0100.07330.67
5.6.110.0130.11730.72
5.6.100.0070.10030.65
5.6.90.0070.07730.56
5.6.80.0100.08029.98
5.6.70.0200.09330.20
5.6.60.0230.11030.05
5.6.50.0170.09329.98
5.6.40.0170.10730.09
5.6.30.0070.10730.02
5.6.20.0130.10030.07
5.6.10.0130.10330.02
5.6.00.0200.11730.00
5.5.380.0070.06730.07
5.5.370.0100.05330.06
5.5.360.0230.04730.14
5.5.350.0130.11730.03
5.5.340.0100.07730.47
5.5.330.0170.10030.51
5.5.320.0130.07030.45
5.5.310.0100.07030.57
5.5.300.0130.10730.25
5.5.290.0130.07330.44
5.5.280.0100.11030.47
5.5.270.0130.10330.35
5.5.260.0230.10030.46
5.5.250.0130.12330.35
5.5.240.0200.11029.80
5.5.230.0100.10329.95
5.5.220.0130.10329.95
5.5.210.0170.11329.93
5.5.200.0070.07729.91
5.5.190.0070.12029.64
5.5.180.0200.08729.88
5.5.160.0300.09029.73
5.5.150.0070.06029.73
5.5.140.0230.08029.89
5.5.130.0070.08729.91
5.5.120.0200.10329.91
5.5.110.0100.09029.78
5.5.100.0130.07329.70
5.5.90.0070.07329.59
5.5.80.0130.07329.79
5.5.70.0100.08729.80
5.5.60.0130.06729.80
5.5.50.0030.06729.78
5.5.40.0170.07729.73
5.5.30.0170.11029.70
5.5.20.0130.10729.67
5.5.10.0270.08729.71
5.5.00.0170.07029.71
5.4.450.0130.09029.07
5.4.440.0100.09329.02
5.4.430.0100.08728.97
5.4.420.0200.07328.98
5.4.410.0070.06028.71
5.4.400.0070.10028.73
5.4.390.0100.06328.67
5.4.380.0130.08728.73
5.4.370.0130.09728.73
5.4.360.0130.08028.84
5.4.350.0030.11028.47
5.4.340.0170.07728.58
5.4.320.0230.09028.52
5.4.310.0100.06328.74
5.4.300.0030.10328.62
5.4.290.0100.10028.74
5.4.280.0100.08728.67
5.4.270.0170.10028.73
5.4.260.0030.11028.71
5.4.250.0070.08328.51
5.4.240.0100.10028.72
5.4.230.0330.08328.67
5.4.220.0070.08728.65
5.4.210.0130.05728.53
5.4.200.0100.07728.62
5.4.190.0030.07728.80
5.4.180.0130.10328.67
5.4.170.0170.05028.63
5.4.160.0170.08028.46
5.4.150.0200.09028.66
5.4.140.0130.11726.02
5.4.130.0170.08726.02
5.4.120.0000.07025.80
5.4.110.0270.08726.18
5.4.100.0230.08326.14
5.4.90.0100.08325.97
5.4.80.0170.08726.13
5.4.70.0130.08326.09
5.4.60.0100.10326.08
5.4.50.0100.10326.16
5.4.40.0200.09326.07
5.4.30.0170.10326.14
5.4.20.0100.10026.07
5.4.10.0100.09326.13
5.4.00.0100.10725.41
5.3.290.0070.10024.07
5.3.280.0100.08724.01
5.3.270.0030.11724.13
5.3.260.0170.12324.11
5.3.250.0100.08723.96
5.3.240.0170.11724.14
5.3.230.0170.12024.04
5.3.220.0030.10323.94
5.3.210.0070.09023.97
5.3.200.0130.10024.02
5.3.190.0100.11324.02
5.3.180.0130.09324.08
5.3.170.0100.07724.00
5.3.160.0170.09024.07
5.3.150.0100.10323.98
5.3.140.0170.10023.96
5.3.130.0070.12323.95
5.3.120.0000.10724.00
5.3.110.0130.11023.96
5.3.100.0130.10323.45
5.3.90.0070.06723.52
5.3.80.0100.10023.47
5.3.70.0100.10023.46
5.3.60.0070.10023.30
5.3.50.0130.09723.35
5.3.40.0070.08723.32
5.3.30.0100.10323.22
5.3.20.0070.09723.00
5.3.10.0170.09023.00
5.3.00.0100.09023.04
5.2.170.0030.05712.19
5.2.160.0070.07312.19
5.2.150.0030.03712.19
5.2.140.0130.05712.19
5.2.130.0100.05012.19
5.2.120.0100.05712.19
5.2.110.0070.05712.19
5.2.100.0130.05312.19
5.2.90.0100.05712.19
5.2.80.0070.05312.19
5.2.70.0070.06012.19
5.2.60.0070.05712.19
5.2.50.0030.06312.19
5.2.40.0030.05712.19
5.2.30.0030.03712.19
5.2.20.0070.05312.19
5.2.10.0030.06312.19
5.2.00.0100.05312.19
5.1.60.0030.05712.19
5.1.50.0070.05712.19
5.1.40.0100.05012.19
5.1.30.0130.05312.19
5.1.20.0070.05012.19
5.1.10.0100.05012.19
5.1.00.0170.04012.19
5.0.50.0000.05012.19
5.0.40.0000.04712.19
5.0.30.0070.05312.19
5.0.20.0100.03712.19
5.0.10.0030.02312.19
5.0.00.0070.03712.19
4.4.90.0030.03012.19
4.4.80.0030.03312.19
4.4.70.0070.03012.19
4.4.60.0030.03312.19
4.4.50.0030.03712.19
4.4.40.0070.05012.19
4.4.30.0130.02312.19
4.4.20.0000.04012.19
4.4.10.0100.03012.19
4.4.00.0000.05012.19
4.3.110.0000.03712.19
4.3.100.0070.03012.19
4.3.90.0000.03012.19
4.3.80.0000.04712.19
4.3.70.0000.03012.19
4.3.60.0070.03012.19
4.3.50.0000.03712.19
4.3.40.0030.03712.19
4.3.30.0030.02012.19
4.3.20.0000.03712.19
4.3.10.0030.03312.19
4.3.00.0000.02712.19

preferences:
33.34 ms | 401 KiB | 5 Q