3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace Sample; var_dump(is_resource(STDOUT)); function f1($f) { fwrite($f, "1 called!\n"); } function f2(\\resource $f) { fwrite($f, "2 called!\n"); } function f3(resource $f) { fwrite($f, "3 called!\n"); } f1(STDOUT); f2(STDOUT); f3(STDOUT);

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)
7.1.70.0060.00616.82
7.1.60.0170.01034.91
7.1.50.0160.02034.48
7.1.40.0180.01534.34
7.1.30.0190.01634.48
7.1.20.0160.01234.46
7.1.10.0030.01216.32
7.1.00.0090.00316.34
7.0.200.0040.01116.31
7.0.190.0060.00616.21
7.0.180.0040.01416.11
7.0.170.0040.01115.97
7.0.160.0000.01416.13
7.0.150.0120.00316.13
7.0.140.0000.01316.09
7.0.130.0060.01016.53
7.0.120.0080.00816.41
7.0.110.0000.01416.34
7.0.100.0070.00715.93
7.0.90.0070.00716.06
7.0.80.0070.00715.98
7.0.70.0060.00616.07
7.0.60.0100.00816.13
7.0.50.0030.00916.21
7.0.40.0100.00316.41
7.0.30.0080.00616.30
7.0.20.0030.01016.23
7.0.10.0000.01216.27
7.0.00.0030.01016.21

preferences:
138.76 ms | 1386 KiB | 7 Q