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(); 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)
7.2.00.0090.01923.55
7.1.70.0060.02221.10
7.1.60.0030.02021.28
7.1.50.0160.03320.98
7.1.00.0100.09026.35
7.0.200.0090.01220.73
7.0.140.0030.08726.00
7.0.60.0070.06724.79
7.0.50.0230.08722.67
7.0.40.0100.10721.17
7.0.30.0500.09721.84
7.0.20.0100.08021.10
7.0.10.0100.07321.96
7.0.00.0070.05021.16
5.6.280.0070.10730.72
5.6.210.0130.10030.21
5.6.200.0270.09727.70
5.6.190.0130.10730.17
5.6.180.0370.05330.11
5.6.170.0200.05730.12
5.6.160.0030.08030.01
5.6.150.0170.10727.84
5.6.140.0100.11327.76
5.6.130.0200.10027.84
5.6.120.0170.11030.84
5.6.110.0130.10730.71
5.6.100.0030.11030.80
5.6.90.0200.10030.66
5.6.80.0070.09730.12
5.6.70.4530.05730.10
5.5.350.0100.11330.13
5.5.340.0170.10327.64
5.5.330.0130.11030.00
5.5.320.0430.07729.66
5.5.310.0200.10029.92
5.5.300.0000.07727.73
5.5.290.0070.06727.69
5.5.280.0030.07030.50
5.5.270.0130.10330.54
5.5.260.0200.10330.54
5.5.250.0070.06330.28
5.5.240.0100.05729.96
5.4.450.0930.09329.21
5.4.440.1070.09729.23
5.4.430.0170.08329.01
5.4.420.0630.09329.04
5.4.410.0900.08029.20
5.4.400.0970.07329.01
5.4.390.0170.08328.93
5.4.380.1070.07728.48
5.4.370.0800.08328.88
5.4.360.1000.08328.77
5.4.350.1130.07728.79
5.4.340.0100.05321.71
5.4.320.0150.05422.20
5.4.310.0040.06422.19
5.4.300.0090.05522.20
5.4.290.0080.05822.19
5.4.280.0100.05922.09
5.4.270.0090.05622.09
5.4.260.0070.05922.09
5.4.250.0080.06622.09
5.4.240.0130.06022.09
5.4.230.0110.06822.08
5.4.220.0060.05922.08
5.4.210.0030.06022.09
5.4.200.0140.05322.08
5.4.190.0100.05522.08
5.4.180.0110.05522.08
5.4.170.0080.06522.09
5.4.160.0060.06222.09
5.4.150.0070.06222.08
5.4.140.0120.05921.76
5.4.130.0030.06621.75
5.4.120.0090.05621.71
5.4.110.0090.05821.70
5.4.100.0070.05821.71
5.4.90.0110.05721.71
5.4.80.0100.05721.71
5.4.70.0090.05521.70
5.4.60.0080.05821.71
5.4.50.0060.06021.70
5.4.40.0080.05621.69
5.4.30.0100.06021.69
5.4.20.0080.05821.69
5.4.10.0100.05421.69
5.4.00.0100.05521.18
5.3.290.0050.06722.31
5.3.280.0090.06222.24
5.3.270.0070.07022.25
5.3.260.0100.08022.25
5.3.250.0100.06622.25
5.3.240.0110.06622.25
5.3.230.0070.06822.24
5.3.220.0090.05922.21
5.3.210.0060.06822.21
5.3.200.0070.06222.21
5.3.190.0100.06622.21
5.3.180.0070.06622.21
5.3.170.0080.06622.21
5.3.160.0100.07122.21
5.3.150.0090.06122.21
5.3.140.0110.05922.20
5.3.130.0130.06022.20
5.3.120.0060.06722.19
5.3.110.0070.06722.20
5.3.100.0090.06121.68
5.3.90.0070.06021.66
5.3.80.0090.05921.65
5.3.70.0100.05721.65
5.3.60.0020.06421.64
5.3.50.0070.06121.59
5.3.40.0050.06221.59
5.3.30.0080.05821.55
5.3.20.0110.06621.33
5.3.10.0090.05921.29
5.3.00.0110.06721.28
5.2.170.0050.0309.23
5.2.160.0060.0279.23
5.2.150.0070.0279.24
5.2.140.0030.0329.23
5.2.130.0040.0289.20
5.2.120.0040.0289.20
5.2.110.0070.0269.20
5.2.100.0060.0279.20
5.2.90.0080.0299.20
5.2.80.0060.0369.19
5.2.70.0050.0309.19
5.2.60.0050.0299.14
5.2.50.0040.0309.11
5.2.40.0030.0299.08
5.2.30.0030.0309.06
5.2.20.0040.0289.05
5.2.10.0040.0288.96
5.2.00.0070.0268.83
5.1.60.0020.0288.10
5.1.50.0050.0288.10
5.1.40.0030.0258.08
5.1.30.0030.0278.43
5.1.20.0020.0328.46
5.1.10.0030.0278.17
5.1.00.0060.0238.18
5.0.50.0050.0186.66
5.0.40.0030.0196.51
5.0.30.0020.0356.33
5.0.20.0050.0186.30
5.0.10.0020.0216.27
5.0.00.0050.0386.27
4.4.90.0020.0154.78
4.4.80.0030.0144.75
4.4.70.0020.0164.76
4.4.60.0050.0134.75
4.4.50.0050.0134.77
4.4.40.0040.0274.71
4.4.30.0030.0154.76
4.4.20.0010.0174.84
4.4.10.0040.0214.84
4.4.00.0020.0264.76
4.3.110.0010.0174.67
4.3.100.0050.0174.67
4.3.90.0040.0174.63
4.3.80.0000.0274.58
4.3.70.0040.0154.63
4.3.60.0020.0194.63
4.3.50.0040.0234.63
4.3.40.0010.0254.53
4.3.30.0010.0193.30
4.3.20.0020.0173.28
4.3.10.0020.0163.23
4.3.00.0200.0207.49

preferences:
35.87 ms | 401 KiB | 5 Q