3v4l.org

run code in 300+ PHP versions simultaneously
<?php class person { public $isAlive = true; public $firstname; public $lastname; public $age; public function __construct($firstname, $lastname, $age) { $this -> firstname = $firstname; $this -> lastname = $lastname; $this -> age = $age; } public function greet() { echo "Hello, my name is " . $this->firstname . " " . $this -> lastname . ". Nice to meet you! :-)"; } } $teacher = new person("boring", "12345", 12345); $student = new person("Chandler", "Smith", 33); echo $teacher -> greet(); <br></br> echo $student -> greet(); </br> ?>

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)
7.0.00.0100.08720.07
5.6.160.0070.05020.55
5.6.150.0030.07018.20
5.6.140.0000.08318.15
5.6.130.0030.07718.23
5.6.120.0070.04021.13
5.6.110.0170.04721.14
5.6.100.0070.07021.01
5.6.90.0130.07721.11
5.6.80.0000.09020.51
5.5.300.0030.04017.95
5.5.290.0130.07018.07
5.5.280.0200.05720.74
5.5.270.0030.07020.80
5.5.260.0070.08020.80
5.5.250.0030.08320.59
5.5.240.0300.07720.20

preferences:
167.82 ms | 1394 KiB | 7 Q