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<?php |
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namespace SimpleArrayLibrary\Categories; |
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use InvalidArgumentException; |
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trait Checkers |
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{ |
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/** |
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* Checks if all elements of the array have same value |
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* |
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* @param array $haystack |
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* @param mixed $needle |
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* |
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* @return boolean |
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*/ |
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public static function allElementsEqual(array $haystack, $needle = null) |
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{ |
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$return = true; |
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// if both arguments have been passed, use value argument (regardless of whether it is null or not |
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if (func_num_args() == 2) { |
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$compareAgainst = $needle; |
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} // only one argument has been passed, so compare elements only to each other |
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else { |
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$compareAgainst = reset($haystack); |
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} |
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foreach ($haystack as $element) { |
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if ($compareAgainst != $element) { |
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$return = false; |
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break; |
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} |
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} |
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return $return; |
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} |
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/** |
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* Checks whether array is associative or numeric |
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* |
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* @param array $array |
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* |
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* @return bool |
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*/ |
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public static function isAssociative(array $array) |
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{ |
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return (bool)count(array_filter(array_keys($array), 'is_string')); |
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} |
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/** |
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* Checks whether array is numeric |
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* |
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* @param array $array |
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* |
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* @return bool |
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*/ |
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public static function isNumeric(array $array) |
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{ |
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return array_keys($array) == range(0, count($array) - 1); |
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} |
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/** |
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* @param mixed $input1 |
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* @param mixed $input2 |
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* |
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* @return bool |
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*/ |
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public static function isStructureSame($input1, $input2) |
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{ |
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$return = true; |
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if (is_array($input1) && is_array($input2)) { |
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if (!self::compareArrays($input1, $input2) || !self::compareArrays($input2, $input1)) { |
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$return = false; |
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} |
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} else { |
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$return = !is_array($input1) && !is_array($input2); |
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} |
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return $return; |
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} |
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/** |
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* @param array $input1 |
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* @param array $input2 |
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* |
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* @return bool |
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*/ |
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private static function compareArrays(array $input1, array $input2) |
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{ |
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foreach ($input1 as $key => $value) { |
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if (!array_key_exists($key, $input2)) { |
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return false; |
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} else { |
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if (!self::isStructureSame($value, $input2[$key])) { |
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return false; |
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} |
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} |
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} |
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return true; |
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} |
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/** |
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* Checks whether $subArray is contained in $array |
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* |
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* @param array $array |
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* @param array $subArray |
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* @param bool $strictComparison |
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* |
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* @return bool |
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* @throws InvalidArgumentException |
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*/ |
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public static function isSubArray(array $array, array $subArray, $strictComparison = true) |
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{ |
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if (!is_bool($strictComparison)) { |
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throw new InvalidArgumentException('Strict comparison parameter must be a boolean'); |
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} |
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$return = true; |
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foreach ($subArray as $key => $value) { |
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if (isset($array[$key]) || array_key_exists($key, $array)) { |
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$check = $strictComparison ? $array[$key] !== $subArray[$key] : $array[$key] != $subArray[$key]; |
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if ($check) { |
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$return = false; |
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break; |
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} |
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} else { |
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$return = false; |
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break; |
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} |
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} |
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return $return; |
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133
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} |
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134
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} |
ajant /
SimpleArrayLibrary
