reflectionclass cache

ReflectionCache.php

<?php

class ReflectionCache
{
    protected $instance;
    
    protected static $instances = [];
    
    public function __construct($className)
    {
        if (!isset(self::$instances[$className])) {
            self::$instances[$className] = new ReflectionClass($className);
        }
        
        $this->instance = self::$instances[$className];
    }
    
    public function get()
    {
        return $this->instance;
    }
}


class AAA
{
    public function doA($no)
    {
        echo "AAA\n";
    }
}

$r1 = (new ReflectionCache("AAA"))->get();
$r2 = (new ReflectionCache("AAA"))->get();

echo $r1 === $r2 ? 'exactly the same' : 'not the same'; // exactly the same