3v4l.org

run code in 300+ PHP versions simultaneously
<?php class calc { private $state; public function __construct() { $this->state = 0; } public function add($number) { $this->state += $number; return $this; } public function mult($number) { $this->state = $this->state * $number; return $this; } public function echo() { echo $this->state; return $this; } } (new calc)->add(3)->add(7)->mult(3)->echo();
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
30
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.21
Parse error: syntax error, unexpected 'echo' (T_ECHO), expecting identifier (T_STRING) in /in/5DnJt on line 23
Process exited with code 255.

preferences:
135.95 ms | 402 KiB | 179 Q