3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { function __construct() { $this->bar = new Bar($this); } } class Bar { function __construct($foo = null) { $this->foo = $foo; } } $usage = 0; $maxima = array(); while (count($maxima) < 5 && $usage < 50000000) { $foo = new Foo(); unset($foo); $last = $usage; $usage = memory_get_usage(); if ($usage < $last) { $maxima[] = $last; } echo number_format($usage)."\n"; } printf("\n\nMaxima: %s\n", implode('; ', $maxima)); ?>

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)
7.3.00.0150.01520.89
7.2.130.0130.00619.18
7.2.120.0130.01621.13
7.2.110.0030.01621.16
7.2.100.0070.01718.98
7.2.90.0070.02121.25
7.2.80.0100.02021.25
7.2.70.0060.01821.30
7.2.60.0190.00321.29
7.2.50.0070.01021.23
7.2.40.0170.01321.00
7.2.30.0140.01021.19
7.2.20.0100.01421.11
7.2.10.0120.01219.18
7.2.00.0130.01121.23
7.1.250.0120.00918.13
7.1.240.0030.01717.97
7.1.230.0100.01018.07
7.1.220.0140.01418.07
7.1.210.0090.01218.01
7.1.200.0110.01420.07
7.1.190.0070.01420.19
7.1.180.0130.01719.92
7.1.170.0100.01019.74
7.1.160.0030.02620.11
7.1.150.0100.01017.82
7.1.140.0060.01620.14
7.1.130.0140.01420.09
7.1.120.0070.01417.97
7.1.110.0100.01020.09
7.1.100.0100.01018.05
7.1.90.0070.01720.13
7.1.80.0200.00318.19
7.1.70.0130.00919.74
7.1.60.0120.00819.79
7.1.50.0180.01820.67
7.1.40.0160.01020.05
7.1.30.0000.02620.16
7.1.20.0190.01320.05
7.1.10.0130.01619.73
7.1.00.0170.00720.01
7.0.330.0110.00817.43
7.0.320.0070.01317.75
7.0.310.0150.00719.68
7.0.300.0130.01019.86
7.0.290.0090.01217.47
7.0.280.0060.01519.52
7.0.270.0000.02319.55
7.0.260.0090.01317.38
7.0.250.0040.01817.86
7.0.240.0150.00717.71
7.0.230.0090.01919.80
7.0.220.0130.00617.80
7.0.210.0040.01519.61
7.0.200.0070.01820.45
7.0.190.0140.01719.62
7.0.180.0120.01219.81
7.0.170.0120.00919.61
7.0.160.0110.01419.59
7.0.150.0210.00719.67
7.0.140.0030.01719.82
7.0.130.0130.01619.72
7.0.120.0100.01019.50
7.0.110.0000.02117.76
7.0.100.0090.01619.73
7.0.90.0100.01017.37
7.0.80.0100.00619.88
7.0.70.0140.01119.67
7.0.60.0100.01719.67
7.0.50.0060.02319.84
7.0.40.0070.01413.72
7.0.30.0070.01413.56
7.0.20.0030.01613.57
7.0.10.0110.01813.69
7.0.00.0070.01613.80
5.6.380.0100.01917.61
5.6.370.0130.01618.80
5.6.360.0130.01617.22
5.6.350.0030.02217.64
5.6.340.0130.01317.23
5.6.330.0130.01318.73
5.6.320.0070.02217.89
5.6.310.0120.01817.94
5.6.300.0110.02218.71
5.6.290.0110.01418.86
5.6.280.0100.02017.55
5.6.270.0040.01817.96
5.6.260.0100.02017.61
5.6.250.0160.01617.62
5.6.240.0070.02018.50
5.6.230.0160.01617.91
5.6.220.0100.02918.98
5.6.210.0070.02117.74
5.6.200.0200.01017.51
5.6.190.0130.01718.68
5.6.180.0130.01618.25
5.6.170.0070.02017.21
5.6.160.0210.00617.12
5.6.150.0070.02117.60
5.6.140.0130.01618.64
5.6.130.0100.01317.68
5.6.120.0150.01517.26
5.6.110.0130.02018.61
5.6.100.0140.01718.72
5.6.90.0030.02818.70
5.6.80.0100.02218.34
5.6.70.0110.01817.23
5.6.60.0070.02418.14
5.6.50.0100.02317.39
5.6.40.0120.01518.16
5.6.30.0110.01818.54
5.6.20.0120.02217.98
5.6.10.0110.01117.91
5.6.00.0170.01717.93
5.5.380.0150.01215.08
5.5.370.0130.01614.40
5.5.360.0040.02214.31
5.5.350.0000.02514.86
5.5.340.0130.01314.82
5.5.330.0060.01914.38
5.5.320.0070.02114.39
5.5.310.0150.01214.25
5.5.300.0100.01614.88
5.5.290.0170.01415.22
5.5.280.0030.02314.86
5.5.270.0100.01314.40
5.5.260.0120.01215.53
5.5.250.0130.00714.48
5.5.240.0110.01814.45
5.5.230.0100.01614.34
5.5.220.0070.02014.32
5.5.210.0160.01314.38
5.5.200.0100.01415.04
5.5.190.0150.00914.29
5.5.180.0100.01914.90
5.5.170.0090.01514.48
5.5.160.0100.02015.51
5.5.150.0110.02114.49
5.5.140.0110.01514.25
5.5.130.0120.01515.19
5.5.120.0030.02315.02
5.5.110.0130.01014.20
5.5.100.0130.01914.37
5.5.90.0200.01014.29
5.5.80.0100.02015.30
5.5.70.0200.00714.21
5.5.60.0090.01914.61
5.5.50.0110.01814.25
5.5.40.0040.03214.36
5.5.30.0220.00715.25
5.5.20.0100.01715.11
5.5.10.0140.01414.50
5.5.00.0070.01414.01
5.4.450.0110.01814.19
5.4.440.0120.01215.47
5.4.430.0070.02115.37
5.4.420.0040.02114.60
5.4.410.0110.01414.68
5.4.400.0100.01714.19
5.4.390.0070.01714.31
5.4.380.0100.01715.12
5.4.370.0100.01314.93
5.4.360.0070.01814.35
5.4.350.0070.02113.89
5.4.340.0150.00614.41
5.4.330.0130.01314.24
5.4.320.0160.01014.45
5.4.310.0070.01314.62
5.4.300.0070.01814.84
5.4.290.0160.01614.30
5.4.280.0130.01314.90
5.4.270.0070.01814.43
5.4.260.0070.02114.13
5.4.250.0150.01215.04
5.4.240.0160.01014.07
5.4.230.0160.01015.05
5.4.220.0000.02614.89
5.4.210.0070.01714.13
5.4.200.0100.02715.08
5.4.190.0100.02015.04
5.4.180.0000.02914.24
5.4.170.0070.01614.52
5.4.160.0120.01514.09
5.4.150.0070.02114.12
5.4.140.0140.01815.61
5.4.130.0070.02314.54
5.4.120.0100.02715.23
5.4.110.0150.01514.66
5.4.100.0100.01713.85
5.4.90.0030.02314.39
5.4.80.0140.01414.39
5.4.70.0100.01014.01
5.4.60.0070.02415.29
5.4.50.0130.01314.70
5.4.40.0090.01614.40
5.4.30.0130.01314.48
5.4.20.0100.01914.60
5.4.10.0070.02115.63
5.4.00.0160.00914.14
5.3.290.0160.01613.37
5.3.280.0070.02113.13
5.3.270.0130.02014.70
5.3.260.0030.02313.44
5.3.250.0140.01013.76
5.3.240.0090.01913.11
5.3.230.0120.01814.10
5.3.220.0140.01013.33
5.3.210.0060.02113.63
5.3.200.0130.01614.61
5.3.190.0000.02313.32
5.3.180.0060.02113.52
5.3.170.0030.02514.61
5.3.160.0070.02113.12
5.3.150.0030.02313.62
5.3.140.0100.01613.39
5.3.130.0200.00712.96
5.3.120.0030.02013.67
5.3.110.0100.01613.84
5.3.100.0160.01313.21
5.3.90.0070.01813.46
5.3.80.0060.02213.45
5.3.70.0030.02313.62
5.3.60.0130.01313.98
5.3.50.0160.01013.46
5.3.40.0030.02213.46
5.3.30.0150.01213.98
5.3.20.0030.02313.37
5.3.10.0100.01713.22
5.3.00.0180.01212.96

preferences:
39.45 ms | 401 KiB | 5 Q