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<?php |
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/** |
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* Alxarafe. Development of PHP applications in a flash! |
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* Copyright (C) 2018-2020 Alxarafe <[email protected]> |
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*/ |
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namespace Alxarafe\Core\ArrayUtils; |
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class ArrayUtils |
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{ |
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/** |
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* Flatten an array to leave it at a single level. |
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* Ignore the value of the indexes of the array, taking only the values. |
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* Remove spaces from the result and convert it to lowercase. |
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* |
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* TODO: Tests works, but seems not to do what is explained |
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* |
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* @param array $array |
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* |
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* @return array |
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*/ |
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public static function flatArray(array $array): array |
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{ |
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$ret = []; |
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foreach ($array as $value) { |
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if (is_array($value)) { |
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$ret = array_merge($ret, self::flatArray($value)); |
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} else { |
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$ret[] = strtolower(trim($value)); |
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} |
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} |
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return $ret ?? []; |
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} |
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/** |
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* Add the elements of the 2nd array behind those of the first. |
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* |
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* @param array $initialArray |
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* @param array $nextArray |
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* |
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* @return array |
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*/ |
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public static function addToArray(array $initialArray, array $nextArray): array |
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{ |
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$ret = $initialArray; |
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foreach ($nextArray as $value) { |
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$ret[] = $value; |
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} |
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return $ret; |
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} |
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/** |
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* Return true if $param is setted and is 'yes', otherwise return false. |
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* |
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* @param array $param |
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* @param string $key |
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* |
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* @return bool |
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*/ |
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public static function isTrue(array $param, $key): bool |
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{ |
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return (isset($param[$key]) && in_array($param[$key], ['yes', 'true', '1', 1], true)); |
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} |
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/** |
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* Given an array of parameters, an index and a possible default value, |
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* returns a literal of the form: index = 'value'. |
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* It is used, for example, to assign attributes to an html statement. |
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* |
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* @param array $itemsArray |
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* @param string $itemIndex |
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* @param string|null $defaultValue |
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* |
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* @return string |
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*/ |
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public static function getItem(array $itemsArray, string $itemIndex, $defaultValue = null): string |
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{ |
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$res = $itemsArray[$itemIndex] ?? $defaultValue; |
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return isset($res) ? " $itemIndex = '$res'" : ''; |
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} |
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/** |
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* Array recursive merge excluding duplicate values. |
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* |
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* @source https://github.com/manusreload/GLFramework/blob/master/src/functions.php#L292 |
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* |
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* @param array $array1 |
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* @param array $array2 |
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* |
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* @return array |
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*/ |
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public static function arrayMergeRecursiveEx(array &$array1, array &$array2): array |
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{ |
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$merged = $array1; |
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foreach ($array2 as $key => &$value) { |
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if (is_array($value) && isset($merged[$key]) && is_array($merged[$key])) { |
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$merged[$key] = self::arrayMergeRecursiveEx($merged[$key], $value); |
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} elseif (is_numeric($key) && !in_array($value, $merged, false)) { |
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$merged[] = $value; |
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} else { |
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$merged[$key] = $value; |
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} |
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} |
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return $merged; |
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} |
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} |
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rsanjoseo /
alxarafe
