3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Bar { } class Foo { private $bar; public function __construct(Bar $bar) { $this->bar = $bar; } } $reflect = new ReflectionClass('foo'); $constructor = $reflect->getConstructor(); $bar = new Bar; $t1 = microtime(true); for ($i = 0; $i < 10000; $i++) { $foo = new Foo($bar); } $t2 = microtime(true); echo 'new keyword: ' . ($t2-$t1) . '<br />'; $t1 = microtime(true); for ($i = 0; $i < 10000; $i++) { $foo = $reflect->newInstanceArgs([$bar]); } $t2 = microtime(true); echo 'newinstanceargs: ' . ($t2-$t1) . '<br />'; $t1 = microtime(true); for ($i = 0; $i < 10000; $i++) { $foo = $reflect->newInstanceWithoutConstructor(); $constructor->invokeArgs($foo, [$bar]); } $t2 = microtime(true); echo 'newinstancewithoutconstructor: ' . ($t2-$t1) . '<br />'; $t1 = microtime(true); for ($i = 0; $i < 10000; $i++) { $foo = new Foo(...[$bar]); } $t2 = microtime(true); echo 'new keyword: ' . ($t2-$t1) . '<br />';

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)
7.4.10.0040.02814.94
7.4.00.0070.02714.93
7.3.130.0100.01614.88
7.3.120.0070.02015.08
7.3.110.0130.02015.01
7.3.100.0060.01815.05
7.3.90.0090.01514.72
7.3.80.0030.02115.17
7.3.70.0000.02314.96
7.3.60.0130.01614.57
7.3.50.0070.02214.89
7.3.40.0120.00914.73
7.3.30.0070.01714.89
7.3.20.0140.01016.52
7.3.10.0030.01716.67
7.3.00.0030.01816.73
7.2.260.0070.02115.27
7.2.250.0030.03015.19
7.2.240.0090.01815.17
7.2.230.0090.01215.06
7.2.220.0070.02015.35
7.2.210.0030.02114.93
7.2.200.0100.01715.10
7.2.190.0030.02015.20
7.2.180.0040.01915.19
7.2.170.0000.02415.15
7.2.160.0060.01615.03
7.2.150.0030.01917.02
7.2.140.0070.01416.88
7.2.130.0000.01716.92
7.2.120.0100.01316.91
7.2.110.0030.02116.81
7.2.100.0100.01316.92
7.2.90.0070.01416.97
7.2.80.0120.01516.93
7.2.70.0100.01316.94
7.2.60.0070.01716.88
7.2.50.0060.01916.95
7.2.40.0040.01816.98
7.2.30.0030.02017.03
7.2.20.0040.01817.05
7.2.10.0000.02316.75
7.2.00.0080.01618.24
7.1.330.0030.02415.96
7.1.320.0100.02115.74
7.1.310.0070.02415.71
7.1.300.0040.02915.51
7.1.290.0040.03015.82
7.1.280.0060.02215.85
7.1.270.0090.01915.74
7.1.260.0060.01915.78
7.1.250.0030.02315.59
7.1.240.0000.02915.76
7.1.230.0030.02515.79
7.1.220.0030.02715.87
7.1.210.0030.02215.86
7.1.200.0070.02215.69
7.1.190.0070.02615.70
7.1.180.0100.01615.94
7.1.170.0040.02515.88
7.1.160.0030.02715.88
7.1.150.0030.02315.81
7.1.140.0030.02415.91
7.1.130.0060.02315.98
7.1.120.0000.02415.75
7.1.110.0070.01715.88
7.1.100.0060.02115.87
7.1.90.0060.02215.86
7.1.80.0030.02415.87
7.1.70.0050.02416.42
7.1.60.0050.01916.46
7.1.50.0070.02716.24
7.1.40.0090.01915.92
7.1.30.0060.02315.86
7.1.20.0100.02015.62
7.1.10.0040.02515.91
7.1.00.0030.05919.02
7.0.330.0030.02615.41
7.0.320.0000.03015.36
7.0.310.0070.01715.44
7.0.300.0000.02715.42
7.0.290.0030.02615.61
7.0.280.0060.01815.38
7.0.270.0030.02615.48
7.0.260.0000.02915.56
7.0.250.0030.02615.61
7.0.240.0030.02715.54
7.0.230.0030.02815.51
7.0.220.0000.03115.66
7.0.210.0030.02315.32
7.0.200.0030.02216.12
7.0.190.0000.02815.48
7.0.180.0060.02415.18
7.0.170.0060.02315.24
7.0.160.0070.02415.47
7.0.150.0070.02115.50
7.0.140.0030.05718.74
7.0.130.0030.02415.46
7.0.120.0000.02615.55
7.0.110.0070.02315.37
7.0.100.0000.03215.33
7.0.90.0060.02215.54
7.0.80.0030.02715.18
7.0.70.0070.02415.64
7.0.60.0050.05117.79
7.0.50.0080.05816.58
7.0.40.0090.06116.73
7.0.30.0270.05616.88
7.0.20.0130.03516.87
7.0.10.0080.05516.93
7.0.00.0050.04616.83
5.6.400.0070.03814.40
5.6.390.0030.04314.16
5.6.380.0030.04014.48
5.6.370.0030.03914.41
5.6.360.0030.03914.47
5.6.350.0070.03414.36
5.6.340.0030.03714.05
5.6.330.0030.04214.38
5.6.320.0030.03814.29
5.6.310.0000.04114.30
5.6.300.0070.03613.93
5.6.290.0090.03514.61
5.6.280.0050.06817.60
5.6.270.0030.04014.70
5.6.260.0030.03514.52
5.6.250.0060.03814.54
5.6.240.0030.03814.67
5.6.230.0030.03814.53
5.6.220.0070.03714.69
5.6.210.0070.07017.52
5.6.200.0050.05716.24
5.6.190.0080.07117.47
5.6.180.1570.05017.62
5.6.170.0170.06617.31
5.6.160.0070.05317.34
5.6.150.0030.06816.30
5.6.140.0070.07116.20
5.6.130.0080.07116.21
5.6.120.0070.07417.69
5.6.110.0120.07217.68
5.6.100.0050.04717.73
5.6.90.0070.07017.86
5.6.80.0050.07717.34
5.6.70.2120.05017.33
5.6.60.0030.03414.20
5.6.50.0000.03814.36
5.6.40.0030.03414.62
5.6.30.0030.03814.33
5.6.20.0090.03214.40
5.6.10.0030.03814.61
5.6.00.0000.03714.36
5.5.380.0030.01014.09
5.5.370.0130.00014.29
5.5.360.0070.00714.07
5.5.350.0150.04017.32
5.5.340.0030.02515.92
5.5.330.0080.02517.28
5.5.320.2030.02017.21
5.5.310.0170.04017.23
5.5.300.0060.03516.03
5.5.290.0080.04115.98
5.5.280.0090.04417.49
5.5.270.0030.05217.57
5.5.260.0080.04517.38
5.5.250.0030.03417.35
5.5.240.0150.02517.08
5.5.230.0060.00613.94
5.5.220.0060.00614.01
5.5.210.0090.00014.03
5.5.200.0000.01313.64
5.5.190.0030.01013.68
5.5.180.0000.00913.55
5.5.170.0030.00614.24
5.5.160.0030.01013.94
5.5.150.0000.01314.15
5.5.140.0060.00913.88
5.5.130.0000.01514.04
5.5.120.0000.01114.03
5.5.110.0040.01113.58
5.5.100.0040.00713.93
5.5.90.0100.00314.16
5.5.80.0060.00614.04
5.5.70.0060.01213.97
5.5.60.0090.00014.17
5.5.50.0080.00314.24
5.5.40.0030.00613.82
5.5.30.0060.00914.16
5.5.20.0070.00714.36
5.5.10.0060.00914.10
5.5.00.0030.01313.99
5.4.450.0290.02415.14
5.4.440.0250.02615.09
5.4.430.0320.02215.10
5.4.420.0270.02515.04
5.4.410.0070.02515.06
5.4.400.0120.02314.94
5.4.390.0350.02314.86
5.4.380.0230.03014.90
5.4.370.0200.04014.75
5.4.360.0220.02514.65
5.4.350.0250.03814.59
5.4.340.0170.04014.75
5.4.330.0070.00310.87
5.4.320.0020.02211.65
5.4.310.0090.02111.57
5.4.300.0050.02111.68
5.4.290.0040.02311.60
5.4.280.0040.02611.63
5.4.270.0050.02111.73
5.4.260.0040.02511.57
5.4.250.0040.02011.58
5.4.240.0070.02111.56
5.4.230.0030.02511.60
5.4.220.0050.02111.45
5.4.210.0050.01911.57
5.4.200.0040.02311.59
5.4.190.0040.02311.49
5.4.180.0050.02111.60
5.4.170.0080.01711.58
5.4.160.0040.02011.71
5.4.150.0050.02111.50
5.4.140.0050.02311.31
5.4.130.0060.02111.23
5.4.120.0050.02011.29
5.4.110.0050.02311.28
5.4.100.0050.01911.42
5.4.90.0020.02511.28
5.4.80.0040.02311.34
5.4.70.0020.02211.42
5.4.60.0050.02311.44
5.4.50.0070.02311.51
5.4.40.0060.02211.50
5.4.30.0050.02111.46
5.4.20.0040.02011.42
5.4.10.0040.01911.35
5.4.00.0020.02111.22
5.3.290.0050.04012.80
5.3.280.0080.04012.71
5.3.270.0070.03812.72
5.3.260.0080.03612.72
5.3.250.0040.03812.72
5.3.240.0050.03812.72
5.3.230.0090.03812.71
5.3.220.0080.03912.68
5.3.210.0060.04112.68
5.3.200.0100.04012.68
5.3.190.0060.04112.68
5.3.180.0040.03912.67
5.3.170.0070.03412.67
5.3.160.0070.03512.68
5.3.150.0050.04012.67
5.3.140.0060.03712.66
5.3.130.0060.04012.66
5.3.120.0070.04012.65
5.3.110.0100.04012.66
5.3.100.0080.03612.12
5.3.90.0030.03812.10
5.3.80.0090.03212.09
5.3.70.0060.03512.10
5.3.60.0040.03712.08
5.3.50.0070.04012.03
5.3.40.0050.04112.03
5.3.30.0080.03211.99
5.3.20.0060.03411.77
5.3.10.0060.03411.73
5.3.00.0060.04111.72
5.2.170.0030.0369.23
5.2.160.0070.0269.22
5.2.150.0050.0329.22
5.2.140.0110.0349.22
5.2.130.0030.0309.18
5.2.120.0050.0279.18
5.2.110.0050.0289.18
5.2.100.0040.0289.19
5.2.90.0060.0279.19
5.2.80.0050.0299.18
5.2.70.0050.0299.18
5.2.60.0040.0299.13
5.2.50.0080.0349.10
5.2.40.0040.0289.07
5.2.30.0050.0329.05
5.2.20.0020.0329.04
5.2.10.0060.0318.95
5.2.00.0060.0278.81
5.1.60.0040.0238.09
5.1.50.0060.0258.09
5.1.40.0050.0238.07
5.1.30.0060.0308.42
5.1.20.0060.0328.45
5.1.10.0030.0278.17
5.1.00.0050.0278.17
5.0.50.0040.0206.66
5.0.40.0020.0286.52
5.0.30.0030.0346.33
5.0.20.0050.0176.30
5.0.10.0060.0166.28
5.0.00.0040.0296.27
4.4.90.0020.0154.78
4.4.80.0030.0144.76
4.4.70.0020.0174.75
4.4.60.0020.0164.76
4.4.50.0040.0154.77
4.4.40.0010.0264.71
4.4.30.0020.0154.76
4.4.20.0030.0154.85
4.4.10.0050.0164.85
4.4.00.0040.0284.76
4.3.110.0030.0154.67
4.3.100.0030.0144.66
4.3.90.0030.0144.64
4.3.80.0000.0274.58
4.3.70.0020.0154.63
4.3.60.0040.0204.63
4.3.50.0020.0164.63
4.3.40.0040.0224.53
4.3.30.0040.0183.30
4.3.20.0030.0153.28
4.3.10.0020.0203.24
4.3.00.0070.01015.97

preferences:
37.29 ms | 401 KiB | 5 Q