3v4l.org

run code in 300+ PHP versions simultaneously
<?php gc_enable(); class x { public $value; public function __construct($value) { $this->value = $value; } public function __unset($arg){ echo "Working"; unset($this->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)
7.3.120.0070.02319.79
7.3.110.0030.02419.54
7.3.100.0100.02019.48
7.3.90.0030.02719.43
7.3.80.0100.01319.48
7.3.70.0110.01819.22
7.3.60.0120.01619.44
7.3.50.0070.02119.60
7.3.40.0070.02119.27
7.3.30.0100.01419.62
7.3.20.0100.02020.41
7.3.10.0040.02120.43
7.3.00.0100.01920.65
7.2.240.0070.02419.98
7.2.230.0090.02119.73
7.2.220.0100.02019.64
7.2.210.0100.02019.89
7.2.200.0070.02119.36
7.2.190.0030.02719.73
7.2.180.0170.01019.88
7.2.170.0030.02419.63
7.2.160.0190.01319.56
7.2.150.0030.02220.95
7.2.140.0130.01320.75
7.2.130.0100.02421.00
7.2.120.0030.02620.82
7.2.110.0070.02320.55
7.2.100.0110.01820.72
7.2.90.0100.02120.58
7.2.80.0000.02820.64
7.2.70.0100.01620.70
7.2.60.0070.02120.60
7.2.50.0100.02120.73
7.2.40.0090.02120.62
7.2.30.0070.02120.61
7.2.20.0030.02120.77
7.2.10.0110.02120.57
7.2.00.0060.02122.09
7.1.330.0000.02919.80
7.1.320.0100.02419.89
7.1.310.0100.02419.98
7.1.300.0070.02719.86
7.1.290.0100.02119.55
7.1.280.0030.03019.59
7.1.270.0030.02719.73
7.1.260.0070.02919.48
7.1.250.0070.02319.72
7.1.70.0030.01721.04
7.1.60.0100.03620.95
7.1.50.0030.03520.82
7.1.00.0070.09026.31
7.0.200.0030.01620.77
7.0.140.0070.09025.97
7.0.60.0100.09324.88
7.0.50.0200.08722.70
7.0.40.0070.05720.99
7.0.30.0230.06721.10
7.0.20.0230.10321.23
7.0.10.0100.10321.22
7.0.00.0130.09721.08
5.6.280.0030.10730.82
5.6.210.0070.12030.38
5.6.200.0030.06027.93
5.6.190.0030.07030.19
5.6.180.0330.10730.11
5.6.170.0270.10030.04
5.6.160.0130.07030.05
5.6.150.0100.06727.70
5.6.140.0100.06027.79
5.6.130.0130.07027.80
5.6.120.0130.07730.72
5.6.110.0170.09330.71
5.6.100.0170.10030.68
5.6.90.0330.05730.78
5.6.80.0130.10030.11
5.6.70.4230.05330.20
5.5.350.0130.05730.03
5.5.340.0100.11327.64
5.5.330.0030.07729.93
5.5.320.0400.09729.82
5.5.310.0100.07729.80
5.5.300.0130.10327.64
5.5.290.0030.06327.64
5.5.280.0100.11330.59
5.5.270.0000.08730.47
5.5.260.0130.07330.64
5.5.250.0130.10730.29
5.5.240.0270.06330.07
5.4.450.0900.09028.96
5.4.440.1030.10029.21
5.4.430.0830.09728.97
5.4.420.1130.11029.21
5.4.410.0800.09328.84
5.4.400.0700.08328.79
5.4.390.1570.08728.79
5.4.380.0800.08028.75
5.4.370.1030.08728.65
5.4.360.0730.08728.61
5.4.350.0800.10728.48
5.4.340.0060.05921.72
5.4.320.0090.06022.20
5.4.310.0090.05922.20
5.4.300.0130.05822.20
5.4.290.0100.05922.20
5.4.280.0070.06122.09
5.4.270.0090.05822.09
5.4.260.0070.06122.09
5.4.250.0080.06222.09
5.4.240.0120.05722.09
5.4.230.0100.05822.09
5.4.220.0090.05722.08
5.4.210.0060.06022.09
5.4.200.0150.06322.09
5.4.190.0050.06522.08
5.4.180.0090.05822.08
5.4.170.0070.06422.09
5.4.160.0070.06322.09
5.4.150.0110.06922.08
5.4.140.0100.07421.77
5.4.130.0090.06421.76
5.4.120.0090.05721.71
5.4.110.0110.05721.71
5.4.100.0060.06121.71
5.4.90.0110.05821.71
5.4.80.0130.05521.71
5.4.70.0080.05821.71
5.4.60.0110.05421.71
5.4.50.0100.05921.71
5.4.40.0090.06021.70
5.4.30.0120.05621.69
5.4.20.0080.06121.70
5.4.10.0100.05821.69
5.4.00.0110.06721.18
5.3.290.0100.06822.32
5.3.280.0120.06522.25
5.3.270.0140.07322.26
5.3.260.0080.06922.25
5.3.250.0050.06922.25
5.3.240.0080.06622.25
5.3.230.0140.07422.25
5.3.220.0130.06022.21
5.3.210.0110.08522.21
5.3.200.0110.08022.21
5.3.190.0100.06222.21
5.3.180.0090.06222.21
5.3.170.0070.06522.21
5.3.160.0110.06122.21
5.3.150.0080.06522.21
5.3.140.0130.05822.21
5.3.130.0060.07222.20
5.3.120.0090.07022.19
5.3.110.0120.06222.20
5.3.100.0050.06821.68
5.3.90.0120.05721.66
5.3.80.0090.07621.65
5.3.70.0130.06721.65
5.3.60.0070.06521.64
5.3.50.0100.06521.59
5.3.40.0080.06421.59
5.3.30.0060.06721.55
5.3.20.0090.06121.33
5.3.10.0060.06221.29
5.3.00.0090.06021.28
5.2.170.0050.0319.24
5.2.160.0030.0319.23
5.2.150.0050.0309.23
5.2.140.0040.0319.23
5.2.130.0060.0299.19
5.2.120.0020.0319.19
5.2.110.0040.0299.20
5.2.100.0070.0319.20
5.2.90.0060.0369.20
5.2.80.0010.0379.19
5.2.70.0070.0289.19
5.2.60.0050.0309.14
5.2.50.0050.0309.11
5.2.40.0030.0309.08
5.2.30.0050.0349.07
5.2.20.0020.0329.05
5.2.10.0060.0338.96
5.2.00.0060.0388.82
5.1.60.0060.0238.10
5.1.50.0080.0248.10
5.1.40.0050.0238.09
5.1.30.0050.0258.43
5.1.20.0030.0288.46
5.1.10.0050.0248.18
5.1.00.0060.0248.18
5.0.50.0020.0216.66
5.0.40.0030.0196.52
5.0.30.0020.0326.33
5.0.20.0040.0186.30
5.0.10.0040.0196.28
5.0.00.0030.0306.27
4.4.90.0020.0164.78
4.4.80.0020.0164.76
4.4.70.0030.0164.75
4.4.60.0030.0154.75
4.4.50.0020.0164.77
4.4.40.0030.0254.71
4.4.30.0020.0174.76
4.4.20.0030.0154.85
4.4.10.0040.0144.85
4.4.00.0040.0234.76
4.3.110.0010.0174.67
4.3.100.0000.0184.66
4.3.90.0050.0124.63
4.3.80.0020.0254.58
4.3.70.0020.0164.63
4.3.60.0050.0124.63
4.3.50.0040.0144.63
4.3.40.0020.0244.54
4.3.30.0030.0153.30
4.3.20.0000.0183.28
4.3.10.0040.0173.23
4.3.00.0200.0176.93

preferences:
34.51 ms | 401 KiB | 5 Q