iiifx\LazyInit\LazyInitTrait

Complexity

Total Complexity

4

Size/Duplication

Total Lines	33
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	1

Test Coverage

Coverage

100%

Importance

Changes	3
Bugs	0	Features	0

1 Method

Rating	Name	Duplication	Size	Complexity
A	lazyInit()	0	16	4

<?php

namespace iiifx\LazyInit;

use Closure;
use ErrorException;

/**
 * Class LazyInitTrait.
 *
 * @author  Vitaliy IIIFX Khomenko <iiifx@yandex.com>
 *
 * @link    https://github.com/iiifx-production/lazy-init
 */
trait LazyInitTrait
{
    /**
     * @var mixed[]
     */
    protected $lazyInitData = [ ];

    /**
     * @param Closure           $container
     * @param string|array|null $dependency
     * @param mixed[]           $params
     *
     * @return mixed
     *
     * @throws ErrorException
     */
    protected function lazyInit ( Closure $container, $dependency = null, array $params = [ ] )
    {
        /** @var string $key */
        if ( $dependency === null ) {
            $key = LazyInitHelper::createBacktraceKey();
        } elseif ( is_array( $dependency ) ) {
            $key = LazyInitHelper::createDependencyKey( $dependency );
        } else {
            $key = $dependency;
        }
        if ( !array_key_exists( $key, $this->lazyInitData ) ) {
            $this->lazyInitData[ $key ] = call_user_func_array( $container, $params );
        }

        return $this->lazyInitData[ $key ];
    }
}