3v4l.org

run code in 300+ PHP versions simultaneously
<?php class MyClass {} interface MyInterface {} trait MyTrait {} enum MyEnum {} echo 'Checking for "MyClass"', PHP_EOL; var_dump(class_exists('MyClass')); var_dump(interface_exists('MyClass')); var_dump(trait_exists('MyClass')); var_dump(enum_exists('MyClass')); echo 'Checking for "MyInterface"', PHP_EOL; var_dump(class_exists('MyInterface')); var_dump(interface_exists('MyInterface')); var_dump(trait_exists('MyInterface')); var_dump(enum_exists('MyInterface')); echo 'Checking for "MyTrait"', PHP_EOL; var_dump(class_exists('MyTrait')); var_dump(interface_exists('MyTrait')); var_dump(trait_exists('MyTrait')); var_dump(enum_exists('MyTrait')); echo 'Checking for "MyEnum"', PHP_EOL; var_dump(class_exists('MyEnum')); var_dump(interface_exists('MyEnum')); var_dump(trait_exists('MyEnum')); var_dump(enum_exists('MyEnum'));

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)
8.4.120.0050.00320.51
8.4.110.0150.00622.49
8.4.100.0120.00917.74
8.4.90.0100.00317.60
8.4.80.0120.00417.64
8.4.70.0070.00517.55
8.4.60.0110.00918.88
8.4.50.0040.00517.88
8.4.40.0120.00617.47
8.4.30.0160.00320.42
8.4.20.0160.00621.34
8.4.10.0090.00019.27
8.3.250.0120.00418.69
8.3.240.0130.00618.77
8.3.230.0110.00916.56
8.3.220.0100.00817.09
8.3.210.0140.00716.56
8.3.200.0090.00516.84
8.3.190.0110.00916.96
8.3.180.0060.00316.41
8.3.170.0040.01417.19
8.3.160.0120.00617.39
8.3.150.0110.00817.15
8.3.140.0080.00016.52
8.3.130.0000.00818.47
8.3.120.0090.00020.59
8.3.110.0060.00320.94
8.3.100.0300.01537.54
8.3.90.0410.00637.54
8.3.80.0390.01037.54
8.3.70.0330.02037.54
8.3.60.0360.01437.54
8.3.50.0350.01637.54
8.3.40.0430.01137.54
8.3.30.0210.01537.54
8.3.20.0100.01037.54
8.3.10.0180.00037.54
8.3.00.0190.00037.54
8.2.290.0060.00320.42
8.2.280.0060.00318.63
8.2.270.0060.00316.85
8.2.260.0100.00716.45
8.2.250.0040.00416.51
8.2.240.0000.00919.01
8.2.230.0070.00722.58
8.2.220.0160.00337.54
8.2.210.0140.00537.54
8.2.200.0170.00337.54
8.2.190.0170.00237.54
8.2.180.0190.00037.54
8.2.170.0170.00337.54
8.2.160.0160.00537.54
8.2.150.0170.00437.54
8.2.140.0230.00337.54
8.2.130.0200.00037.54
8.2.120.0300.01037.54
8.2.110.0350.01837.54
8.2.100.0390.00337.54
8.2.90.0340.00037.54
8.2.80.0260.00837.54
8.2.70.0380.00337.54
8.2.60.0370.00037.54
8.2.50.0310.00437.54
8.2.40.0320.00737.54
8.2.30.0320.00837.54
8.2.20.0300.01037.54
8.2.10.0320.00837.54
8.2.00.0340.00937.54
8.1.330.0100.00818.50
8.1.320.0130.01016.27
8.1.310.0100.01016.30
8.1.300.0030.00817.82
8.1.290.0440.00037.54
8.1.280.0310.01037.54
8.1.270.0190.01937.54
8.1.260.0370.00737.54
8.1.250.0270.01737.54
8.1.240.0340.00837.54
8.1.230.0190.01537.54
8.1.220.0320.00637.54
8.1.210.0240.01537.54
8.1.200.0290.00437.54
8.1.190.0320.00437.54
8.1.180.0180.00037.54
8.1.170.0330.00037.54
8.1.160.0340.00437.54
8.1.150.0360.00337.54
8.1.140.0310.00737.54
8.1.130.0310.01637.54
8.1.120.0210.01837.54
8.1.110.0310.00637.54
8.1.100.0280.01037.54
8.1.90.0340.00337.54
8.1.80.0220.01537.54
8.1.70.0280.01137.54
8.1.60.0340.00837.54
8.1.50.0360.00637.54
8.1.40.0330.00937.54
8.1.30.0300.00737.54
8.1.20.0350.00637.54
8.1.10.0360.00737.54
8.1.00.0310.01537.54

preferences:
28.59 ms | 403 KiB | 5 Q