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); gc_collect_cycles(); sleep(1); 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)
7.2.00.0030.02323.29
7.1.70.0060.02221.11
7.1.60.0070.02421.07
7.1.50.0030.04620.89
7.1.00.0030.09726.31
7.0.200.0040.01820.84
7.0.140.0100.08726.15
7.0.110.0170.10024.86
7.0.100.0100.09724.68
7.0.90.0130.09724.75
7.0.80.0200.09724.74
7.0.70.0130.09324.84
7.0.60.0070.09024.46
7.0.50.0170.09325.23
7.0.40.0170.10321.31
7.0.30.0070.08021.45
7.0.20.0100.06321.41
7.0.10.0030.09321.30
7.0.00.0200.08721.23
5.6.260.0200.10330.22
5.6.250.0230.10330.24
5.6.240.0070.10330.26
5.6.230.0200.09030.50
5.6.220.0130.11330.20
5.6.210.0130.10330.33
5.6.200.0100.11330.86
5.6.190.0070.11030.85
5.6.180.0030.08030.78
5.6.170.0100.09730.73
5.6.160.0270.10030.80
5.6.150.0100.11030.99
5.6.140.0270.10030.75
5.6.130.0230.10730.82
5.6.120.0130.11330.64
5.6.110.0070.10730.82
5.6.100.0100.10730.67
5.6.90.0100.10030.83
5.6.80.0200.09730.07
5.6.70.0100.10030.21
5.6.60.0100.10330.12
5.6.50.0130.11030.28
5.6.40.0100.10029.95
5.6.30.0230.09730.21
5.6.20.0200.10730.18
5.6.10.0130.11030.27
5.6.00.0170.10030.16
5.5.380.0230.10730.12
5.5.370.0130.10330.00
5.5.360.0130.11330.16
5.5.350.0070.12030.09
5.5.340.0170.09730.55
5.5.330.0230.10730.62
5.5.320.0070.06330.74
5.5.310.0130.09330.54
5.5.300.0170.10030.69
5.5.290.0200.10330.60
5.5.280.0070.11730.60
5.5.270.0200.09030.60
5.5.260.0130.10730.39
5.5.250.0170.09730.45
5.5.240.0230.10029.89
5.5.230.0170.09029.78
5.5.220.0130.10730.11
5.5.210.0130.09330.09
5.5.200.0170.10330.04
5.5.190.0170.11029.83
5.5.180.0070.10029.99
5.5.160.0130.11329.86
5.5.150.0130.08329.84
5.5.140.0070.11330.02
5.5.130.0100.10029.95
5.5.120.0170.10330.03
5.5.110.0230.09329.88
5.5.100.0030.12029.93
5.5.90.0070.10329.75
5.5.80.0100.10029.75
5.5.70.0130.09029.83
5.5.60.0230.10329.73
5.5.50.0270.08729.76
5.5.40.0070.11029.86
5.5.30.0100.11729.85
5.5.20.0170.10329.73
5.5.10.0200.12029.88
5.5.00.0400.08329.70
5.4.450.0100.11328.92
5.4.440.0130.10328.94
5.4.430.0230.08728.94
5.4.420.0170.10328.91
5.4.410.0130.11028.91
5.4.400.0070.10728.62
5.4.390.0130.10328.81
5.4.380.0100.11028.64
5.4.370.0300.09028.79
5.4.360.0130.11028.80
5.4.350.0100.11028.99
5.4.340.0130.09728.67
5.4.320.0070.11028.69
5.4.310.0070.06028.66
5.4.300.0070.05728.98
5.4.290.0100.07728.76
5.4.280.0100.11028.68
5.4.270.0170.10728.66
5.4.260.0230.09328.63
5.4.250.0200.07728.71
5.4.240.0070.11028.73
5.4.230.0200.09728.80
5.4.220.0130.10028.70
5.4.210.0270.10028.73
5.4.200.0070.11028.66
5.4.190.0130.08728.68
5.4.180.0100.11728.57
5.4.170.0130.11028.73
5.4.160.0000.11328.54
5.4.150.0170.08328.87
5.4.140.0130.10726.07
5.4.130.0130.08326.16
5.4.120.0100.10326.07
5.4.110.0100.10026.10
5.4.100.0200.08726.21
5.4.90.0170.09726.11
5.4.80.0070.10726.33
5.4.70.0100.05026.12
5.4.60.0170.10026.14
5.4.50.0130.07726.01
5.4.40.0100.08726.30
5.4.30.0200.09326.13
5.4.20.0300.08326.13
5.4.10.0170.08726.16
5.4.00.0070.09325.45
5.3.290.0170.09724.10
5.3.280.0200.10724.04
5.3.270.0070.12024.04
5.3.260.0100.07724.13
5.3.250.0170.08724.14
5.3.240.0130.11324.05
5.3.230.0170.11024.05
5.3.220.0000.08023.99
5.3.210.0100.11724.02
5.3.200.0200.10324.01
5.3.190.0070.10324.09
5.3.180.0070.07324.02
5.3.170.0070.08323.91
5.3.160.0070.05723.90
5.3.150.0070.06724.00
5.3.140.0130.08723.98
5.3.130.0030.11723.96
5.3.120.0170.09724.07
5.3.110.0200.09724.00
5.3.100.0100.10723.32
5.3.90.0130.08023.47
5.3.80.0200.09323.38
5.3.70.0230.09323.42
5.3.60.0170.09023.54
5.3.50.0070.11023.39
5.3.40.0170.06323.30
5.3.30.0070.07723.28
5.3.20.0430.06023.08
5.3.10.0030.11323.00
5.3.00.0100.10323.02
5.2.170.0100.04712.28
5.2.160.0030.06312.28
5.2.150.0100.06712.28
5.2.140.0070.06712.28
5.2.130.0100.04312.28
5.2.120.0070.05712.28
5.2.110.0070.05712.28
5.2.100.0030.06712.28
5.2.90.0100.04712.28
5.2.80.0030.03712.28
5.2.70.0000.06712.28
5.2.60.0070.05312.28
5.2.50.0070.05712.28
5.2.40.0070.06012.28
5.2.30.0030.03312.28
5.2.20.0130.05012.28
5.2.10.0030.06012.28
5.2.00.0030.04312.28
5.1.60.0100.05012.28
5.1.50.0070.04712.28
5.1.40.0000.04712.28
5.1.30.0100.05312.28
5.1.20.0100.05312.28
5.1.10.0000.06012.28
5.1.00.0030.03012.28
5.0.50.0100.03012.28
5.0.40.0030.04012.28
5.0.30.0000.06712.28
5.0.20.0030.04312.28
5.0.10.0100.03312.28
5.0.00.0030.04312.28
4.4.90.0030.01712.28
4.4.80.0000.03712.28
4.4.70.0000.03712.28
4.4.60.0000.03312.28
4.4.50.0000.02012.28
4.4.40.0030.04712.28
4.4.30.0030.03312.28
4.4.20.0030.03712.28
4.4.10.0030.03312.28
4.4.00.0030.05312.28
4.3.110.0000.04012.28
4.3.100.0130.02312.28
4.3.90.0070.02012.28
4.3.80.0000.04712.28
4.3.70.0030.01312.28
4.3.60.0030.03312.28
4.3.50.0070.03012.28
4.3.40.0070.04012.28
4.3.30.0030.01312.28
4.3.20.0000.03712.28
4.3.10.0000.03312.28
4.3.00.0030.01312.28

preferences:
40.66 ms | 400 KiB | 5 Q