3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Animal { public function eat() { echo 'Yummy!'; } } class Plant { public $size = 0; public function grow() { echo 'I\'m level '.++$this->size; } } if (rand(0, 1) == 0) $base = 'Animal'; else $base = 'Plant'; class_alias($base, "LifeformBase"); class Lifeform extends LifeformBase { } var_dump(new Lifeform); // similar for ReflectionClass, you just need to fetch the name // inheritance by anonymous class; also requires an object representing the anonymous class, like Closure is for anonymous functions. function get_base_animal_class() { return new class extends Animal { public $color; public function hiss() { echo 'Hiss!'; } }; } class_alias(get_class(get_base_animal_class()), "AnonBase"); $tiger_class = new class extends AnonBase { public $color = 'orange'; }; var_dump($tiger_class->hiss(), $tiger_class->color);

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)
8.3.00.0100.01028.09
8.2.130.0110.00728.09
8.2.120.0160.00328.09
8.2.110.0110.00828.09
8.2.100.0160.00328.09
8.2.90.0130.00728.09
8.2.80.0100.01028.09
8.2.70.0100.00628.09
8.2.60.0130.00328.09
8.2.50.0130.00728.09
8.2.40.0070.00728.09
8.2.30.0090.00628.09
8.2.20.0130.00728.09
8.2.10.0040.01128.09
8.2.00.0090.00628.09
8.1.260.0030.01028.09
8.1.250.0080.00028.09
8.1.240.0090.00028.09
8.1.230.0060.00328.09
8.1.220.0090.00928.09
8.1.210.0120.00628.09
8.1.200.0060.00928.09
8.1.190.0150.00328.09
8.1.180.0040.01528.09
8.1.170.0150.00428.09
8.1.160.0150.00328.09
8.1.150.0100.00728.09
8.1.140.0110.00028.09
8.1.130.0060.00328.09
8.1.120.0080.00028.09
8.1.110.0080.00028.09
8.1.100.0050.00328.09
8.1.90.0050.00328.09
8.1.80.0050.00328.09
8.1.70.0030.00528.09
8.1.60.0080.00028.09
8.1.50.0050.00328.09
8.1.40.0030.00528.09
8.1.30.0080.00028.09
8.1.20.0040.00428.09
8.1.10.0040.00428.09
8.1.00.0080.00028.09
8.0.300.0100.00328.09
8.0.290.0120.00428.09
8.0.280.0070.00328.09
8.0.270.0040.00428.09
8.0.260.0090.00428.09
8.0.250.0040.00428.09
8.0.240.0110.00428.09
8.0.230.0140.00028.09
8.0.220.0030.00628.09
8.0.210.0090.00028.09
8.0.200.0040.00428.09
8.0.190.0040.00428.09
8.0.180.0040.00428.09
8.0.170.0080.00028.09
8.0.160.0040.00428.09
8.0.150.0000.00828.09
8.0.140.0110.00428.09
8.0.130.0040.00428.09
8.0.120.0040.00428.09
8.0.110.0050.00328.09
8.0.100.0060.00328.09
8.0.90.0110.00728.09
8.0.80.0120.00328.09
8.0.70.0080.00628.09
8.0.60.0160.01028.09
8.0.50.0230.00028.09
8.0.30.0030.00628.09
8.0.20.0080.00628.09
8.0.10.0100.00328.09
8.0.00.0100.00028.09
7.4.330.0060.00028.09
7.4.320.0130.00328.09
7.4.300.0060.01128.09
7.4.290.0170.00028.09
7.4.280.0100.00728.09
7.4.270.0190.00628.09
7.4.260.0200.00328.09
7.4.250.0230.01028.09
7.4.240.0340.00328.09
7.4.230.0180.00028.09
7.4.220.0180.00328.09
7.4.210.0250.00428.09
7.4.200.0200.00828.09
7.4.190.0290.00028.09
7.4.180.0260.00828.09
7.4.160.0310.00328.09
7.4.150.0320.00028.09
7.4.140.0290.01028.09
7.4.130.0190.01228.09
7.4.120.0240.00028.09
7.4.110.0220.00028.09
7.4.100.0120.00428.09
7.4.90.0140.00228.09
7.4.80.0130.00328.09
7.4.70.0230.00328.09
7.4.60.0220.00928.09
7.4.50.0260.00328.09
7.4.40.0250.00628.09
7.4.30.0110.00528.09
7.4.20.0110.01128.09
7.4.10.0310.00428.09
7.4.00.0320.00028.09
7.3.330.0330.00028.09
7.3.320.0300.00728.09
7.3.310.0310.00428.09
7.3.300.0220.00528.09
7.3.290.0280.00828.09
7.3.280.0270.00628.09
7.3.270.0250.00328.09
7.3.260.0280.00028.09
7.3.250.0240.00428.09
7.3.240.0180.00928.09
7.3.230.0200.00328.09
7.3.220.0180.00028.09
7.3.210.0240.00828.09
7.3.200.0170.00028.09
7.3.190.0160.00028.09
7.3.180.0140.00328.09
7.3.170.0080.00828.09
7.3.160.0140.00328.09
7.3.150.0130.00328.09
7.3.140.0260.00328.09
7.3.130.0200.01428.09
7.3.120.0250.00928.09
7.3.110.0240.01228.09
7.3.100.0260.00628.09
7.3.90.0150.01528.09
7.3.80.0370.00028.09
7.3.70.0240.00428.09
7.3.60.0300.00428.09
7.3.50.0220.00628.09
7.3.40.0240.01428.09
7.3.30.0150.00528.09
7.3.20.0190.00028.09
7.3.10.0130.00328.09
7.3.00.0120.00428.09
7.2.340.0130.00328.09
7.2.330.0180.01128.09
7.2.320.0290.00428.09
7.2.310.0140.00528.09
7.2.300.0160.00028.09
7.2.290.0100.00728.09
7.2.280.0130.00328.09
7.2.270.0120.00428.09
7.2.260.0110.00528.09
7.2.250.0110.00528.09
7.2.240.0130.00328.09
7.2.230.0170.00028.09
7.2.220.0160.01228.09
7.2.210.0230.00428.09
7.2.200.0250.00428.09
7.2.190.0260.01028.09
7.2.180.0360.00728.09
7.2.170.0140.00328.09
7.2.160.0180.00928.09
7.2.150.0200.01028.09
7.2.140.0290.00028.09
7.2.130.0330.00428.09
7.2.120.0290.00328.09
7.2.110.0140.01428.09
7.2.100.0190.00928.09
7.2.90.0240.00628.09
7.2.80.0190.01028.09
7.2.70.0210.01228.09
7.2.60.0180.00328.09
7.2.50.0150.00728.09
7.2.40.0110.00728.09
7.2.30.0100.00728.09
7.2.20.0110.00628.09
7.2.10.0110.00628.09
7.2.00.0140.00328.09
7.1.330.0100.00528.09
7.1.320.0120.00428.09
7.1.310.0100.00528.09
7.1.300.0140.00028.09
7.1.290.0100.00528.09
7.1.280.0140.00028.09
7.1.270.0140.00028.09
7.1.260.0120.00328.09
7.1.250.0110.00428.09
7.1.240.0140.00028.09
7.1.230.0140.00028.09
7.1.220.0120.00228.09
7.1.210.0100.00528.09
7.1.200.0110.00428.09
7.1.190.0090.00528.09
7.1.180.0140.00028.09
7.1.170.0120.00228.09
7.1.160.0120.00228.09
7.1.150.0150.00028.09
7.1.140.0110.00428.09
7.1.130.0050.01028.09
7.1.120.0090.00628.09
7.1.110.0150.00028.09
7.1.100.0090.00528.09
7.1.90.0110.00428.09
7.1.80.0150.00028.09
7.1.70.0080.00422.64
7.1.60.0090.01123.84
7.1.50.0080.00722.45
7.1.40.0150.00328.09
7.1.30.0120.00528.09
7.1.20.0130.00328.09
7.1.10.0150.00028.09
7.1.00.0090.03925.16
7.0.330.0140.00028.09
7.0.320.0060.00628.09
7.0.310.0140.00028.09
7.0.300.0070.00728.09
7.0.290.0140.00028.09
7.0.280.0070.00728.09
7.0.270.0090.00528.09
7.0.260.0070.00728.09
7.0.250.0090.00528.09
7.0.240.0140.00028.09
7.0.230.0090.00528.09
7.0.220.0140.00028.09
7.0.210.0100.00328.09
7.0.200.0110.00422.44
7.0.190.0100.00328.09
7.0.180.0110.00328.09
7.0.170.0110.00328.09
7.0.160.0140.00028.09
7.0.150.0110.00328.09
7.0.140.0140.00028.09
7.0.130.0130.00028.09
7.0.120.0140.00028.09
7.0.110.0140.00028.09
7.0.100.0140.00028.09
7.0.90.0110.00328.09
7.0.80.0080.00628.09
7.0.70.0100.00228.09
7.0.60.0170.03824.85
7.0.50.0060.03022.98
7.0.40.0120.04524.13
7.0.30.0200.03724.16
7.0.20.0180.03224.07
7.0.10.0130.04224.21
7.0.00.0090.02224.07
5.6.400.0170.00028.09
5.6.390.0280.00828.09
5.6.380.0200.00028.09
5.6.370.0090.00728.09
5.6.360.0110.00328.09
5.6.350.0140.00028.09
5.6.340.0120.00228.09
5.6.330.0100.00328.09
5.6.320.0120.00228.09
5.6.310.0090.00528.09
5.6.300.0030.00728.09
5.6.290.0040.00428.09
5.6.280.0060.03624.62
5.6.270.0070.00028.09
5.6.260.0000.00728.09
5.6.250.0040.00428.09
5.6.240.0040.00428.09
5.6.230.0070.00028.09
5.6.220.0040.00428.09
5.6.210.0100.02024.41
5.6.200.0070.02823.18
5.6.190.0020.02524.38
5.6.180.0170.04224.29
5.6.170.0210.03124.31
5.6.160.0040.03824.40
5.6.150.0080.04023.14
5.6.140.0070.04223.12
5.6.130.0070.03923.14
5.6.120.0050.02324.52
5.6.110.0000.02524.52
5.6.100.0040.04624.54
5.6.90.0080.04224.54
5.6.80.0130.03324.24
5.6.70.0030.00628.09
5.6.60.0030.00628.09
5.6.50.0000.00828.09
5.6.40.0070.00028.09
5.6.30.0070.00028.09
5.6.20.0070.00028.09
5.6.10.0000.00728.09
5.6.00.0000.00728.09
5.5.380.0140.00028.09
5.5.370.0120.00228.09
5.5.360.0140.00028.09
5.5.350.0090.02824.27
5.5.340.0060.02523.07
5.5.330.0070.04324.17
5.5.320.0250.03824.15
5.5.310.0190.03624.22
5.5.300.0130.02323.03
5.5.290.0070.04423.03
5.5.280.0070.02924.48
5.5.270.0100.02624.49
5.5.260.0090.04324.38
5.5.250.0100.02124.37
5.5.240.0110.01824.22
5.5.230.0090.00628.09
5.5.220.0140.00428.09
5.5.210.0130.00328.09
5.5.200.0150.00328.09
5.5.190.0130.00328.09
5.5.180.0100.00528.09
5.5.170.0090.00528.09
5.5.160.0080.00628.09
5.5.150.0090.00528.09
5.5.140.0030.01028.09
5.5.130.0090.00528.09
5.5.120.0140.00028.09
5.5.110.0070.00728.09
5.5.100.0130.00028.09
5.5.90.0100.00328.09
5.5.80.0050.01028.09
5.5.70.0110.00628.09
5.5.60.0110.00328.09
5.5.50.0130.00028.09
5.5.40.0050.00928.09
5.5.30.0110.00228.09
5.5.20.0040.00928.09
5.5.10.0040.00928.09
5.5.00.0110.00328.09
5.4.450.0240.03523.86
5.4.440.0170.03223.63
5.4.430.0400.03023.80
5.4.420.0450.03523.84
5.4.410.0320.03023.79
5.4.400.0400.02723.52
5.4.390.0400.03023.60
5.4.380.0340.02623.65
5.4.370.0320.02823.49
5.4.360.0420.02823.66
5.4.350.0420.03023.62
5.4.340.0460.02423.49
5.4.330.0050.00528.09
5.4.320.0590.03323.65
5.4.310.0470.02023.55
5.4.300.0520.02323.67
5.4.290.0390.02823.68
5.4.280.0430.02923.64
5.4.270.0380.03623.65
5.4.260.0420.02623.67
5.4.250.0410.02823.65
5.4.240.0360.03123.65
5.4.230.0370.03223.65
5.4.220.0340.02823.54
5.4.210.0340.02623.60
5.4.200.0250.03622.33
5.4.190.0370.02523.67
5.4.180.0350.02723.49
5.4.170.0280.03423.49
5.4.160.0430.02323.62
5.4.150.0420.02423.51
5.4.140.0330.03022.28
5.4.130.0380.02622.24
5.4.120.0440.02222.27
5.4.110.0370.02722.40
5.4.100.0410.02822.27
5.4.90.0320.03422.30
5.4.80.0410.03022.20
5.4.70.0420.02522.29
5.4.60.0390.02522.34
5.4.50.0350.02822.32
5.4.40.0370.02722.15
5.4.30.0400.02522.25
5.4.20.0430.02222.34
5.4.10.0380.02622.36
5.4.00.0330.03022.01
5.3.290.0440.02321.45
5.3.280.0360.02921.35
5.3.270.0390.02821.35
5.3.260.0360.02921.34
5.3.250.0350.03121.43
5.3.240.0420.02721.31
5.3.230.0390.02521.30
5.3.220.0330.03221.33
5.3.210.0390.02821.35
5.3.200.0370.02721.35
5.3.190.0370.03021.32
5.3.180.0420.02321.36
5.3.170.0390.02721.28
5.3.160.0340.03121.30
5.3.150.0430.02121.33
5.3.140.0340.03021.34
5.3.130.0370.02821.40
5.3.120.0370.02821.29
5.3.110.0390.02821.31
5.3.100.0380.02821.09
5.3.90.0450.02821.01
5.3.80.0350.02821.04
5.3.70.0320.03221.00
5.3.60.0380.02821.03
5.3.50.0390.02521.00
5.3.40.0390.02021.05
5.3.30.0360.02821.03
5.3.20.0390.02720.84
5.3.10.0380.02720.86
5.3.00.0370.02820.94
5.2.170.0320.02319.57
5.2.160.0330.02019.57
5.2.150.0310.02319.65
5.2.140.0310.02319.66
5.2.130.0270.02719.60
5.2.120.0460.02219.65
5.2.110.0360.01819.63
5.2.100.0250.02619.68
5.2.90.0330.02019.58
5.2.80.0300.02319.57
5.2.70.0310.02219.54
5.2.60.0350.02619.63
5.2.50.0340.01719.59
5.2.40.0300.02819.60
5.2.30.0290.02219.58
5.2.20.0240.02419.50
5.2.10.0240.01819.48
5.2.00.0260.02019.39
5.1.60.0220.01718.97
5.1.50.0220.01719.04
5.1.40.0250.02318.98
5.1.30.0240.01719.24
5.1.20.0290.01819.17
5.1.10.0190.01919.04
5.1.00.0260.01919.08
5.0.50.0190.01218.34
5.0.40.0130.01518.32
5.0.30.0170.02018.11
5.0.20.0160.01318.21
5.0.10.0150.01318.09
5.0.00.0170.02018.13
4.4.90.0100.01316.97
4.4.80.0120.01216.97
4.4.70.0120.01216.97
4.4.60.0160.00816.91
4.4.50.0140.01016.99
4.4.40.0120.01816.99
4.4.30.0150.00916.93
4.4.20.0140.01017.03
4.4.10.0120.01216.99
4.4.00.0140.01716.97
4.3.110.0140.01016.96
4.3.100.0150.00816.88
4.3.90.0120.01016.93
4.3.80.0170.01316.94
4.3.70.0140.01016.92
4.3.60.0120.01216.92
4.3.50.0120.01216.87
4.3.40.0130.01516.90
4.3.30.0070.01216.26
4.3.20.0050.01316.26
4.3.10.0070.01516.27
4.3.00.0050.01017.58

preferences:
34.41 ms | 403 KiB | 5 Q