3v4l.org

run code in 300+ PHP versions simultaneously
<?php interface Writer { public function write($message); } class Logger { private $writer; public function __construct(Writer $writer) { $this->writer = $writer; } public function log($message) { $this->writer->write($message); } } $logger = new Logger(new Writer() { public function write($message) { echo "Logged using an anonymous writer: {$message}" . PHP_EOL; } }); $logger->log('My message'); // outputs “Logged using an anonymous writer: My message”

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)
7.0.00.0130.07720.24
5.6.160.0000.04320.48
5.6.150.0000.05718.18
5.6.140.0030.05318.14
5.6.130.0030.04318.24
5.6.120.0000.04721.00
5.6.110.0100.06321.01
5.6.100.0130.06021.00
5.6.90.0100.04020.97
5.6.80.0030.04020.36
5.5.300.0070.05717.92
5.5.290.0030.04318.05
5.5.280.0100.08720.97
5.5.270.0100.07020.96
5.5.260.0100.07020.76
5.5.250.0030.08320.66
5.5.240.4230.03720.28

preferences:
140.13 ms | 1394 KiB | 7 Q