3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a="abc123"; var_dump(mb_ereg_replace("123","def\\",$a)));

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)
7.3.10.0870.00314.58
7.3.00.1320.00714.70
7.2.130.1050.00614.91
7.2.120.1040.01014.97
7.2.110.1330.00314.86
7.2.100.1180.00714.88
7.2.90.1320.00314.75
7.2.80.1450.00314.79
7.2.70.1410.00714.73
7.2.60.1660.00714.98
7.2.50.2380.00014.68
7.2.40.2540.00714.78
7.2.30.2750.00714.98
7.2.20.1660.01614.80
7.2.10.1320.01014.93
7.2.00.1160.00314.91
7.1.250.1050.00713.54

preferences:
147.42 ms | 1394 KiB | 7 Q