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<?php | |
function memoize($target) { | |
static $memo = new WeakMap; | |
return new class ($target, $memo) { | |
function __construct( | |
protected $target, | |
protected &$memo, | |
) {} | |
function __call($method, $params) | |
{ | |
$this->memo[$this->target] ??= []; | |
$signature = $method . crc32(json_encode($params)); | |
return $this->memo[$this->target][$signature] | |
??= $this->target->$method(...$params); | |
} | |
}; | |
} |
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