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); sleep(1); 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)
7.2.00.0100.02431.27
7.1.70.0070.05629.38
7.1.60.0100.04329.38
7.1.50.0170.05429.34
7.1.00.0100.10734.43
7.0.200.0030.04528.97
7.0.140.0000.11034.27
7.0.60.0200.12331.14
7.0.50.0030.09728.95
7.0.40.0170.07321.65
7.0.30.0300.07321.50
7.0.20.0270.07021.66
7.0.10.0070.12021.78
7.0.00.0100.11721.63
5.6.280.0130.14749.15
5.6.210.0170.13347.77
5.6.200.0070.10045.25
5.6.190.0270.13747.44
5.6.180.0270.10047.45
5.6.170.0430.08747.46
5.6.160.0200.08747.41
5.6.150.0570.07745.22
5.6.140.0130.11745.29
5.6.130.0130.15345.17
5.6.120.0300.10048.03
5.6.110.0100.15747.94
5.6.100.0300.14348.01
5.6.90.0230.13348.18
5.6.80.0230.11047.59
5.6.70.6200.08047.42
5.5.350.0230.11347.41
5.5.340.0230.14344.82
5.5.330.0170.10347.08
5.5.320.0400.13347.25
5.5.310.0430.14047.20
5.5.300.0100.15744.98
5.5.290.0230.08045.09
5.5.280.0170.14047.83
5.5.270.0170.15047.82
5.5.260.0200.12747.93
5.5.250.0130.15047.52
5.5.240.0330.11347.25
5.4.450.1200.13746.62
5.4.440.1870.13046.47
5.4.430.1370.13046.33
5.4.420.0370.11746.52
5.4.410.1170.13346.32
5.4.400.0930.13746.30
5.4.390.1330.13046.04
5.4.380.1200.13346.13
5.4.370.1470.11346.18
5.4.360.1030.16046.13
5.4.350.1300.11346.00
5.4.340.0190.09139.06
5.4.320.0160.10439.55
5.4.310.0170.08839.55
5.4.300.0160.09139.55
5.4.290.0180.08839.54
5.4.280.0180.08739.44
5.4.270.0180.09939.45
5.4.260.0180.11539.44
5.4.250.0190.11239.45
5.4.240.0150.12439.45
5.4.230.0150.09439.42
5.4.220.0110.09239.43
5.4.210.0160.08939.43
5.4.200.0170.08639.43
5.4.190.0150.09839.43
5.4.180.0160.10539.43
5.4.170.0070.10739.44
5.4.160.0160.09839.44
5.4.150.0200.09439.44
5.4.140.0160.11739.12
5.4.130.0250.12739.11
5.4.120.0230.14039.07
5.4.110.0190.10639.07
5.4.100.0220.10139.07
5.4.90.0200.09239.07
5.4.80.0190.09439.07
5.4.70.0130.09039.06
5.4.60.0150.09539.06
5.4.50.0150.09239.06
5.4.40.0130.09439.05
5.4.30.0170.09539.04
5.4.20.0140.09739.05
5.4.10.0140.09839.04
5.4.00.0170.09438.53
5.3.290.0220.13562.30
5.3.280.0290.13362.23
5.3.270.0220.14162.25
5.3.260.0250.14362.24
5.3.250.0270.14462.24
5.3.240.0250.14562.24
5.3.230.0110.15262.23
5.3.220.0210.13862.21
5.3.210.0280.14462.20
5.3.200.0270.14162.20
5.3.190.0200.14062.20
5.3.180.0300.13662.20
5.3.170.0250.16862.20
5.3.160.0260.13162.20
5.3.150.0220.13262.20
5.3.140.0190.13662.19
5.3.130.0210.13262.18
5.3.120.0230.13462.18
5.3.110.0260.14062.18
5.3.100.0280.13561.67
5.3.90.0260.15461.66
5.3.80.0260.13461.64
5.3.70.0230.14661.64
5.3.60.0250.14161.63
5.3.50.0200.14261.57
5.3.40.0210.14561.57
5.3.30.0270.13461.54
5.3.20.0200.15161.32
5.3.10.0340.14161.28
5.3.00.0330.12261.27
5.2.170.0030.0329.23
5.2.160.0050.0289.24
5.2.150.0060.0299.24
5.2.140.0050.0299.23
5.2.130.0050.0289.20
5.2.120.0050.0309.20
5.2.110.0050.0299.20
5.2.100.0050.0299.20
5.2.90.0080.0279.20
5.2.80.0010.0359.20
5.2.70.0040.0319.20
5.2.60.0050.0299.14
5.2.50.0050.0299.11
5.2.40.0040.0299.09
5.2.30.0050.0299.07
5.2.20.0030.0309.05
5.2.10.0040.0288.96
5.2.00.0050.0298.82
5.1.60.0070.0278.11
5.1.50.0040.0258.10
5.1.40.0050.0258.08
5.1.30.0040.0268.43
5.1.20.0040.0278.46
5.1.10.0060.0258.18
5.1.00.0050.0248.18
5.0.50.0040.0206.66
5.0.40.0030.0196.52
5.0.30.0040.0316.33
5.0.20.0070.0156.30
5.0.10.0020.0216.28
5.0.00.0040.0306.27
4.4.90.0010.0174.78
4.4.80.0040.0144.76
4.4.70.0030.0154.75
4.4.60.0040.0144.75
4.4.50.0040.0144.77
4.4.40.0050.0234.70
4.4.30.0040.0144.76
4.4.20.0030.0154.84
4.4.10.0040.0144.84
4.4.00.0020.0264.76
4.3.110.0030.0154.67
4.3.100.0050.0124.67
4.3.90.0030.0154.64
4.3.80.0050.0244.59
4.3.70.0060.0114.63
4.3.60.0030.0144.63
4.3.50.0010.0174.63
4.3.40.0030.0234.54
4.3.30.0030.0163.30
4.3.20.0040.0143.28
4.3.10.0020.0173.24
4.3.00.0200.0237.49

preferences:
35.38 ms | 401 KiB | 5 Q