3v4l.org

run code in 500+ PHP versions simultaneously
<?php $className = 'App\Service\Adapter\' . 'b'; echo $className;

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)
8.3.50.0030.00516.77
7.2.40.1260.00817.72
7.2.30.1410.01117.66
7.2.20.1880.01117.78
7.2.10.2480.00717.61
7.2.00.4540.00617.69
7.1.160.1130.00916.38
7.1.150.1960.01016.49
7.1.140.1840.00816.70
7.1.130.2980.01216.69
7.1.120.3580.01016.65
7.1.110.2670.00616.14
7.1.100.5480.00915.81
7.1.90.5270.00616.03
7.1.80.5390.00515.91
7.1.70.4330.00714.92
7.1.60.3400.00933.09
7.1.50.4110.01432.80
7.1.40.4970.01232.41
7.1.30.6470.01432.59
7.1.20.5150.01032.60
7.1.10.5310.00714.42
7.1.00.3840.00914.51

preferences:
51.12 ms | 580 KiB | 4 Q