3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { private $a; public function __construct(int $a) { $this->a = $a; } public function __invoke(int $a) : Bar { return new Bar($a); } } class Bar { private $a; public function __construct(int $a) { $this->a = $a; } } $foo = new Foo(1); $bar = new $foo(2); var_dump($foo); var_dump($bar); var_dump($foo(2));

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)
8.3.60.0100.00718.43
8.3.50.0110.00718.07
8.3.40.0000.01418.82
8.3.30.0070.00718.64
8.3.20.0080.00019.36
8.3.10.0030.00521.80
8.3.00.0040.00420.82
8.2.180.0090.00918.18
8.2.170.0100.01022.96
8.2.160.0060.01319.14
8.2.150.0000.00824.18
8.2.140.0060.00324.66
8.2.130.0000.00817.97
8.2.120.0090.00026.35
8.2.110.0030.00621.06
8.2.100.0090.00317.59
8.2.90.0040.00418.03
8.2.80.0030.00617.97
8.2.70.0040.00417.80
8.2.60.0080.00018.22
8.2.50.0080.00018.10
8.2.40.0000.00819.34
8.2.30.0000.00719.18
8.2.20.0040.00418.02
8.2.10.0000.00717.95
8.2.00.0040.00417.58
8.1.280.0000.01525.92
8.1.270.0060.00323.99
8.1.260.0060.00326.35
8.1.250.0040.00428.09
8.1.240.0030.00723.77
8.1.230.0080.00321.03
8.1.220.0040.00417.74
8.1.210.0050.00318.90
8.1.200.0000.00817.13
8.1.190.0080.00017.23
8.1.180.0050.00518.10
8.1.170.0050.00318.50
8.1.160.0050.00318.83
8.1.150.0030.00518.83
8.1.140.0030.00322.04
8.1.130.0050.00217.44
8.1.120.0070.00017.34
8.1.110.0000.00717.44
8.1.100.0030.00517.29
8.1.90.0060.00317.38
8.1.80.0040.00417.36
8.1.70.0040.00417.43
8.1.60.0060.00317.47
8.1.50.0060.00317.54
8.1.40.0000.00817.39
8.1.30.0030.00617.59
8.1.20.0050.00217.71
8.1.10.0000.00717.57
8.1.00.0050.00217.41
8.0.300.0000.00819.89
8.0.290.0040.00416.58
8.0.280.0030.00318.38
8.0.270.0040.00417.27
8.0.260.0000.00816.63
8.0.250.0080.00016.80
8.0.240.0000.00716.79
8.0.230.0030.00316.88
8.0.220.0000.00916.82
8.0.210.0000.00716.85
8.0.200.0060.00016.78
8.0.190.0040.00416.91
8.0.180.0000.00716.75
8.0.170.0030.00516.88
8.0.160.0070.00016.82
8.0.150.0000.00716.82
8.0.140.0040.00316.68
8.0.130.0050.00013.29
8.0.120.0060.00316.77
8.0.110.0050.00216.85
8.0.100.0000.00816.63
8.0.90.0000.00716.87
8.0.80.0080.00716.79
8.0.70.0000.00816.79
8.0.60.0040.00416.75
8.0.50.0050.00316.68
8.0.30.0120.01017.13
8.0.20.0090.01117.40
8.0.10.0050.00216.83
8.0.00.0070.01216.92
7.4.330.0050.00015.55
7.4.320.0000.00616.47
7.4.300.0030.00316.60
7.4.290.0030.00316.55
7.4.280.0030.00616.60
7.4.270.0070.00016.50
7.4.260.0030.00316.57
7.4.250.0000.00716.46
7.4.240.0050.00216.63
7.4.230.0030.00316.55
7.4.220.0040.00416.62
7.4.210.0090.00916.55
7.4.200.0000.00716.40
7.4.160.0070.01116.51
7.4.140.0130.00917.86
7.4.130.0140.00316.51
7.4.120.0120.00816.56
7.4.110.0130.01016.43
7.4.100.0090.01616.30
7.4.90.0130.00316.53
7.4.80.0070.01019.39
7.4.70.0040.01216.66
7.4.60.0110.00616.46
7.4.50.0100.00716.34
7.4.40.0060.01216.52
7.4.00.0000.01614.80
7.3.330.0000.00613.32
7.3.320.0020.00213.25
7.3.310.0030.00616.32
7.3.300.0000.00716.32
7.3.290.0040.00216.31
7.3.280.0070.01016.29
7.3.260.0110.00716.33
7.3.240.0120.00816.29
7.3.230.0160.00316.36
7.3.210.0060.01116.59
7.3.200.0130.00316.16
7.3.190.0150.00316.33
7.3.180.0170.00616.38
7.3.170.0060.01216.33
7.3.160.0060.01016.56
7.3.10.0210.00516.41
7.3.00.0110.00916.62
7.2.330.0060.01216.63
7.2.320.0090.01616.66
7.2.310.0130.00316.65
7.2.300.0090.00916.60
7.2.290.0030.01316.35
7.2.130.0130.00716.74
7.2.120.0140.00316.54
7.2.110.0150.00416.19
7.2.100.0160.00716.22
7.2.90.0100.01016.25
7.2.80.0110.00616.07
7.2.70.0080.01016.30
7.2.60.0090.00916.15
7.2.50.0130.00516.20
7.2.40.0140.00716.28
7.2.30.0130.00716.31
7.2.20.0130.00816.25
7.2.10.0110.01016.27
7.2.00.0120.01016.31
7.1.250.0130.00615.75
7.1.230.0330.00313.94
7.1.220.0310.01013.77
7.1.210.0270.01313.60
7.1.200.0270.00313.89
7.1.190.0220.00713.93
7.1.180.0340.00713.53
7.1.170.0190.01014.03
7.1.160.0260.00313.86
7.1.150.0170.01013.69
7.1.140.0200.01213.98
7.1.130.0230.00613.86
7.1.120.0310.00313.90
7.1.110.0250.00914.08
7.1.100.0230.00313.98
7.1.90.0260.01014.04
7.1.80.0260.01313.91
7.1.70.0280.00413.98
7.1.60.0520.01232.04
7.1.50.0660.00331.89
7.1.40.0430.00631.45
7.1.30.0440.00931.89
7.1.20.0620.00632.07
7.1.10.0380.01013.96
7.1.00.0590.00413.73
5.6.380.0030.01213.96

preferences:
58.57 ms | 400 KiB | 5 Q