3v4l.org

run code in 300+ PHP versions simultaneously
<?php gc_enable(); 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(gc_collect_cycles()) . "\n"; 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)
7.2.00.0000.03731.60
7.1.70.0000.05129.23
7.1.60.0070.03329.38
7.1.50.0090.04429.29
7.1.00.0070.11034.49
7.0.200.0060.02328.90
7.0.140.0000.11034.17
7.0.60.0100.11731.18
7.0.50.0070.06729.19
7.0.40.0100.11321.67
7.0.30.0270.09721.59
7.0.20.0230.11021.66
7.0.10.0030.10021.61
7.0.00.0130.07721.75
5.6.280.0070.15048.32
5.6.210.0200.14047.81
5.6.200.0130.09045.20
5.6.190.0130.14747.44
5.6.180.0430.13047.43
5.6.170.0200.09047.49
5.6.160.0100.13047.45
5.6.150.0170.14345.25
5.6.140.0030.09345.14
5.6.130.0330.13345.04
5.6.120.0170.08048.11
5.6.110.0100.08748.05
5.6.100.0130.09048.05
5.6.90.0200.09048.01
5.6.80.0200.12347.32
5.6.70.5370.09347.46
5.5.350.0500.13047.43
5.5.340.0200.09345.05
5.5.330.0170.11747.08
5.5.320.0200.13747.25
5.5.310.0330.12347.22
5.5.300.0230.12345.00
5.5.290.0200.12044.92
5.5.280.0070.10047.86
5.5.270.0200.10747.85
5.5.260.0170.08347.85
5.5.250.0230.12347.77
5.5.240.0370.12347.21
5.4.450.1330.14746.46
5.4.440.1270.13746.15
5.4.430.1300.14746.45
5.4.420.1100.18346.56
5.4.410.1230.14746.29
5.4.400.1630.16746.29
5.4.390.1200.17346.14
5.4.380.1670.12346.04
5.4.370.1100.13346.15
5.4.360.1500.18046.34
5.4.350.1330.13745.86
5.4.340.0160.09439.07
5.4.320.0120.08839.55
5.4.310.0120.09039.55
5.4.300.0170.08239.55
5.4.290.0170.08539.55
5.4.280.0080.09239.45
5.4.270.0160.08639.45
5.4.260.0140.09339.44
5.4.250.0120.09239.45
5.4.240.0150.10339.44
5.4.230.0130.09339.43
5.4.220.0150.09039.44
5.4.210.0140.08939.44
5.4.200.0170.09639.44
5.4.190.0130.09239.43
5.4.180.0160.09839.43
5.4.170.0110.10439.45
5.4.160.0170.09839.44
5.4.150.0080.10139.44
5.4.140.0140.09439.12
5.4.130.0140.09339.11
5.4.120.0140.08839.07
5.4.110.0200.09839.06
5.4.100.0180.08539.07
5.4.90.0150.08939.06
5.4.80.0120.09439.07
5.4.70.0050.09539.06
5.4.60.0120.09439.05
5.4.50.0180.10139.06
5.4.40.0160.08539.05
5.4.30.0100.09339.05
5.4.20.0070.09539.04
5.4.10.0160.09039.05
5.4.00.0140.10038.54
5.3.290.0190.13862.30
5.3.280.0210.13162.23
5.3.270.0270.14262.25
5.3.260.0220.14362.24
5.3.250.0220.16062.24
5.3.240.0300.13062.24
5.3.230.0210.13562.23
5.3.220.0240.13062.20
5.3.210.0200.14062.20
5.3.200.0200.13462.20
5.3.190.0250.13562.20
5.3.180.0170.13962.20
5.3.170.0240.13562.20
5.3.160.0310.12862.20
5.3.150.0200.13562.20
5.3.140.0200.13462.20
5.3.130.0140.13762.18
5.3.120.0190.13662.19
5.3.110.0140.14162.18
5.3.100.0240.13761.67
5.3.90.0220.12861.66
5.3.80.0170.13961.64
5.3.70.0160.13461.64
5.3.60.0170.13161.63
5.3.50.0230.13261.57
5.3.40.0190.14661.58
5.3.30.0210.12461.54
5.3.20.0280.13761.32
5.3.10.0190.14861.28
5.3.00.0240.14361.26
5.2.170.0050.0309.24
5.2.160.0050.0289.23
5.2.150.0060.0339.23
5.2.140.0040.0329.23
5.2.130.0030.0309.20
5.2.120.0040.0299.19
5.2.110.0040.0329.20
5.2.100.0070.0269.20
5.2.90.0040.0309.20
5.2.80.0030.0319.20
5.2.70.0030.0319.19
5.2.60.0040.0319.14
5.2.50.0000.0349.11
5.2.40.0050.0289.09
5.2.30.0050.0299.07
5.2.20.0020.0329.05
5.2.10.0020.0308.96
5.2.00.0050.0278.82
5.1.60.0030.0248.10
5.1.50.0040.0248.10
5.1.40.0040.0248.09
5.1.30.0020.0278.43
5.1.20.0030.0278.46
5.1.10.0050.0248.18
5.1.00.0060.0238.18
5.0.50.0030.0206.66
5.0.40.0020.0206.52
5.0.30.0010.0376.33
5.0.20.0040.0216.30
5.0.10.0040.0186.28
5.0.00.0020.0316.27
4.4.90.0040.0134.78
4.4.80.0030.0164.75
4.4.70.0030.0154.76
4.4.60.0040.0154.75
4.4.50.0020.0164.77
4.4.40.0030.0244.71
4.4.30.0040.0184.75
4.4.20.0030.0194.85
4.4.10.0030.0154.85
4.4.00.0010.0264.75
4.3.110.0020.0184.67
4.3.100.0020.0174.66
4.3.90.0030.0154.63
4.3.80.0040.0244.58
4.3.70.0020.0154.63
4.3.60.0030.0144.62
4.3.50.0020.0154.63
4.3.40.0060.0294.54
4.3.30.0040.0163.30
4.3.20.0020.0163.28
4.3.10.0020.0153.23
4.3.00.0170.0237.49

preferences:
35.04 ms | 400 KiB | 5 Q