3v4l.org

run code in 300+ PHP versions simultaneously
<?php abstract class Object { public abstract function toString( ); public abstract function equals( self &$o ); } class Chair extends Object { public function toString( ) { return 'This is a chair.'; } public function equals( self &$o ) { return TRUE; } } class Table extends Object { public function toString( ) { return 'This is a table.'; } public function equals( self &$o ) { return TRUE; } } $chair = new Chair(); $table = new Table(); echo $chair->equals( $table );

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)
5.5.10.0100.07019.96
5.5.00.0170.06019.95
5.4.170.0100.07319.17
5.4.160.0100.04018.92
5.4.150.0100.06018.88
5.4.140.0000.03716.47
5.4.130.0070.04316.43
5.4.120.0030.07716.48
5.4.110.0030.07716.49
5.4.100.0100.05716.57
5.4.90.0030.07716.40
5.4.80.0100.04316.51
5.4.70.0030.04316.40
5.4.60.0100.04016.25
5.4.50.0070.05316.41
5.4.40.0100.04016.30
5.4.30.0070.06716.31
5.4.20.0100.07016.36
5.4.10.0000.05716.43
5.4.00.0030.06315.88
5.3.270.0000.05015.75
5.3.260.0030.06715.75
5.3.250.0130.07015.75
5.3.240.0130.05315.75
5.3.230.0030.08015.75
5.3.220.0100.07315.75
5.3.210.0000.07315.75
5.3.200.0000.07715.75
5.3.190.0030.06315.75
5.3.180.0100.07315.75
5.3.170.0070.07015.75
5.3.160.0000.05715.75
5.3.150.0100.07315.75
5.3.140.0130.07315.75
5.3.130.0100.06715.75
5.3.120.0000.07015.75
5.3.110.0130.06015.75
5.3.100.0100.06715.75
5.3.90.0030.04715.75
5.3.80.0070.05715.75
5.3.70.0030.07315.75
5.3.60.0070.04015.75
5.3.50.0030.08015.75
5.3.40.0070.07715.75
5.3.30.0170.05315.75
5.3.20.0070.06715.75
5.3.10.0070.03715.75
5.3.00.0100.03015.75
5.2.170.0000.04015.75
5.2.160.0030.06315.75
5.2.150.0100.05015.75
5.2.140.0070.03015.75
5.2.130.0000.03315.75
5.2.120.0100.02715.75
5.2.110.0030.03015.75
5.2.100.0130.02015.75
5.2.90.0030.03015.75
5.2.80.0030.03015.75
5.2.70.0070.02715.75
5.2.60.0030.03015.75
5.2.50.0030.02715.75
5.2.40.0000.03015.75
5.2.30.0030.02715.75
5.2.20.0100.03715.75
5.2.10.0000.03315.75
5.2.00.0000.03015.75
5.1.60.0030.02315.75
5.1.50.0070.02015.75
5.1.40.0000.04015.75
5.1.30.0070.04015.75
5.1.20.0030.02715.75
5.1.10.0000.02715.75
5.1.00.0000.02715.75
5.0.50.0030.02015.75
5.0.40.0000.02015.75
5.0.30.0000.03015.75
5.0.20.0000.02015.75
5.0.10.0030.02015.75
5.0.00.0000.03015.75
4.4.90.0000.01715.75
4.4.80.0070.01015.75
4.4.70.0030.01315.75
4.4.60.0070.01015.75
4.4.50.0000.01715.75
4.4.40.0000.02715.75
4.4.30.0000.01715.75
4.4.20.0000.01715.75
4.4.10.0000.01715.75
4.4.00.0030.02315.75
4.3.110.0000.01715.75
4.3.100.0030.01315.75
4.3.90.0000.01715.75
4.3.80.0070.04015.75
4.3.70.0000.01715.75
4.3.60.0000.02015.75
4.3.50.0030.01315.75
4.3.40.0000.02315.75
4.3.30.0000.01715.75
4.3.20.0000.01715.75
4.3.10.0000.01715.75
4.3.00.0030.01015.75

preferences:
144.52 ms | 935 KiB | 8 Q