3v4l.org

run code in 300+ PHP versions simultaneously
<?php gc_enable(); class x { private $value; public function __construct($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); 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)
7.2.00.0000.02623.10
7.1.70.0070.02221.07
7.1.60.0130.03621.29
7.1.50.0030.02020.53
7.1.00.0030.09726.36
7.0.200.0000.02720.76
7.0.140.0100.08726.21
7.0.60.0130.10324.89
7.0.50.0170.05722.50
7.0.40.0130.07721.15
7.0.30.0270.09321.11
7.0.20.0230.09721.26
7.0.10.0130.06321.78
7.0.00.0030.06021.25
5.6.280.0070.10730.57
5.6.210.0200.11030.25
5.6.200.0200.06027.86
5.6.190.0170.07330.16
5.6.180.0270.06030.05
5.6.170.0400.09329.99
5.6.160.0200.09330.00
5.6.150.0130.07027.93
5.6.140.0070.11727.85
5.6.130.0330.08727.78
5.6.120.0100.07030.75
5.6.110.0100.10330.84
5.6.100.0130.09730.59
5.6.90.0170.08730.63
5.6.80.0170.06730.11
5.6.70.4600.04730.09
5.5.350.0130.10330.12
5.5.340.0070.07027.73
5.5.330.0000.09029.90
5.5.320.0100.11029.60
5.5.310.0270.06029.84
5.5.300.0030.06327.66
5.5.290.0030.06727.73
5.5.280.0030.06330.46
5.5.270.0030.06730.43
5.5.260.0100.08330.66
5.5.250.0200.09330.36
5.5.240.0170.09029.89
5.4.450.1430.12328.84
5.4.440.1830.08029.14
5.4.430.0270.07729.07
5.4.420.1030.08329.25
5.4.410.0300.11328.88
5.4.400.0830.08328.52
5.4.390.0670.10028.79
5.4.380.1000.09728.48
5.4.370.0830.09028.75
5.4.360.1330.09328.49
5.4.350.0630.09028.93
5.4.340.0080.05621.71
5.4.320.0110.05522.20
5.4.310.0080.06122.20
5.4.300.0120.05622.20
5.4.290.0090.06422.19
5.4.280.0060.06122.09
5.4.270.0100.06222.09
5.4.260.0140.09122.09
5.4.250.0170.08322.09
5.4.240.0150.08822.09
5.4.230.0160.07922.08
5.4.220.0070.06322.08
5.4.210.0120.05422.08
5.4.200.0120.06222.08
5.4.190.0060.06222.08
5.4.180.0100.06022.08
5.4.170.0090.06322.09
5.4.160.0120.07622.09
5.4.150.0100.06922.08
5.4.140.0060.07821.76
5.4.130.0130.06921.75
5.4.120.0120.06721.71
5.4.110.0070.06321.71
5.4.100.0080.06121.71
5.4.90.0140.06521.71
5.4.80.0050.07221.71
5.4.70.0070.05921.70
5.4.60.0110.05821.71
5.4.50.0110.06121.70
5.4.40.0120.06521.69
5.4.30.0170.06421.69
5.4.20.0140.07621.69
5.4.10.0120.08021.69
5.4.00.0200.08221.18
5.3.290.0170.07922.31
5.3.280.0140.08822.24
5.3.270.0140.09722.25
5.3.260.0140.09522.25
5.3.250.0130.09722.25
5.3.240.0150.08722.25
5.3.230.0060.07222.24
5.3.220.0140.07522.21
5.3.210.0080.06922.22
5.3.200.0140.05922.21
5.3.190.0130.06222.21
5.3.180.0080.07222.21
5.3.170.0160.05622.21
5.3.160.0120.06122.21
5.3.150.0100.06022.21
5.3.140.0140.05822.20
5.3.130.0060.06722.19
5.3.120.0100.06222.19
5.3.110.0070.06522.19
5.3.100.0090.06221.68
5.3.90.0130.05721.67
5.3.80.0090.06121.66
5.3.70.0060.06421.65
5.3.60.0090.06821.64
5.3.50.0160.06321.59
5.3.40.0040.07221.58
5.3.30.0130.06121.55
5.3.20.0080.06221.33
5.3.10.0080.06021.29
5.3.00.0090.06021.27
5.2.170.0040.0319.24
5.2.160.0060.0289.24
5.2.150.0060.0299.23
5.2.140.0030.0329.23
5.2.130.0020.0349.19
5.2.120.0040.0329.20
5.2.110.0060.0289.20
5.2.100.0070.0269.19
5.2.90.0040.0329.20
5.2.80.0030.0339.18
5.2.70.0080.0279.19
5.2.60.0050.0299.14
5.2.50.0050.0299.11
5.2.40.0030.0309.08
5.2.30.0040.0309.06
5.2.20.0040.0299.05
5.2.10.0070.0258.96
5.2.00.0050.0288.82
5.1.60.0040.0238.10
5.1.50.0030.0268.09
5.1.40.0050.0248.09
5.1.30.0040.0308.43
5.1.20.0060.0258.45
5.1.10.0030.0288.18
5.1.00.0020.0288.18
5.0.50.0040.0206.66
5.0.40.0030.0206.51
5.0.30.0040.0316.33
5.0.20.0040.0196.30
5.0.10.0040.0196.27
5.0.00.0050.0296.27
4.4.90.0030.0154.78
4.4.80.0030.0154.75
4.4.70.0030.0164.75
4.4.60.0030.0154.75
4.4.50.0010.0174.77
4.4.40.0020.0264.71
4.4.30.0030.0174.76
4.4.20.0030.0154.84
4.4.10.0030.0154.85
4.4.00.0040.0274.76
4.3.110.0020.0174.67
4.3.100.0050.0184.66
4.3.90.0030.0204.64
4.3.80.0030.0244.59
4.3.70.0010.0154.63
4.3.60.0010.0164.63
4.3.50.0040.0144.63
4.3.40.0040.0234.54
4.3.30.0020.0163.30
4.3.20.0000.0183.28
4.3.10.0000.0183.24
4.3.00.0200.0176.93

preferences:
36.25 ms | 401 KiB | 5 Q