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<?php |
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namespace Spatie\YamlFrontMatter; |
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use Closure; |
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use ArrayAccess; |
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class Arr |
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{ |
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/** |
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* Determine whether the given value is array accessible. |
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* |
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* @param mixed $value |
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* @return bool |
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*/ |
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public static function accessible($value) |
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{ |
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return is_array($value) || $value instanceof ArrayAccess; |
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} |
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/** |
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* Return the default value of the given value. |
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* |
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* @param mixed $value |
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* @return mixed |
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*/ |
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public static function value($value) |
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{ |
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return $value instanceof Closure ? $value() : $value; |
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} |
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/** |
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* Get an item from an array using "dot" notation. |
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* |
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* @param \ArrayAccess|array $array |
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* @param string|int $key |
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* @param mixed $default |
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* @return mixed |
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*/ |
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public static function get($array, $key, $default = null) |
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{ |
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if (! static::accessible($array)) { |
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return static::value($default); |
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} |
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if (is_null($key)) { |
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return $array; |
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} |
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if (static::exists($array, $key)) { |
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return $array[$key]; |
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} |
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if (strpos($key, '.') === false) { |
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return $array[$key] ?? static::value($default); |
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} |
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foreach (explode('.', $key) as $segment) { |
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if (static::accessible($array) && static::exists($array, $segment)) { |
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$array = $array[$segment]; |
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} else { |
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return static::value($default); |
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} |
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} |
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return $array; |
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} |
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/** |
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* Determine if the given key exists in the provided array. |
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* |
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* @param \ArrayAccess|array $array |
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* @param string|int $key |
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* @return bool |
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*/ |
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public static function exists($array, $key) |
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{ |
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if ($array instanceof ArrayAccess) { |
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return $array->offsetExists($key); |
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} |
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return array_key_exists($key, $array); |
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} |
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} |
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spatie /
yaml-front-matter
