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<?php |
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declare(strict_types = 1); |
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namespace Jasny; |
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/** |
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* Return an array with only the specified keys. |
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* |
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* @param array $array |
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* @param string[]|int[] $keys |
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* @return array |
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*/ |
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function array_only(array $array, array $keys): array |
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{ |
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$intersect = array_fill_keys($keys, null); |
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return array_intersect_key($array, $intersect); |
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} |
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/** |
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* Return an array without the specified keys. |
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* |
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* @param array $array |
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* @param string[]|int[] $keys |
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* @return array |
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*/ |
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function array_without(array $array, array $keys): array |
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{ |
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$intersect = array_fill_keys($keys, null); |
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return array_diff_key($array, $intersect); |
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} |
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/** |
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* Check if an array contains all values in a set. |
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* |
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* @param array $array |
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* @param array $subset |
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* @param bool $strict Strict type checking |
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* @return bool |
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*/ |
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function array_contains_all(array $array, array $subset, bool $strict = false) |
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{ |
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$contains = true; |
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foreach ($subset as $value) { |
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if (!in_array($value, $array, $strict)) { |
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$contains = false; |
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break; |
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} |
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} |
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return $contains; |
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} |
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/** |
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* Check if an array contains all values in a set with index check. |
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* |
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* @param array $array |
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* @param array $subset |
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* @param bool $strict Strict type checking |
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* @return bool |
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*/ |
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function array_contains_all_assoc(array $array, array $subset, bool $strict = false): bool |
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{ |
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if (count(array_diff_key($subset, $array)) > 0) { // Quick test, just on keys |
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return false; |
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} |
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$contains = true; |
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foreach ($subset as $key => $value) { |
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if (!array_key_exists($key, $array) || |
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isset($value) !== isset($array[$key]) || |
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($strict ? $value !== $array[$key] : $value != $array[$key]) |
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) { |
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$contains = false; |
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} |
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} |
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return $contains; |
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} |
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/** |
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* Check if an array contains any value in a set. |
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** |
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* @param array $array |
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* @param array $subset |
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* @param bool $strict Strict type checking |
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* @return bool |
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*/ |
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function array_contains_any(array $array, array $subset, bool $strict = false): bool |
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{ |
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$contains = false; |
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foreach ($subset as $value) { |
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if (in_array($value, $array, $strict)) { |
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$contains = true; |
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break; |
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} |
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} |
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return $contains; |
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} |
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/** |
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* Check if an array contains any value in a set with index check. |
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* |
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* @param array $array |
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* @param array $subset |
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* @param bool $strict Strict type checking |
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* @return bool |
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*/ |
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function array_contains_any_assoc(array $array, array $subset, bool $strict = false): bool |
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{ |
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if (count(array_intersect_key($subset, $array)) === 0) { // Quick test, just on keys |
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return false; |
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} |
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$contains = false; |
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foreach ($subset as $key => $value) { |
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if (array_key_exists($key, $array) && |
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isset($value) === isset($array[$key]) && |
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($strict ? $value === $array[$key] : $value == $array[$key]) |
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) { |
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$contains = true; |
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break; |
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} |
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} |
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return $contains; |
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} |
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/** |
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* Find an element of an array using a callback function. |
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* @see array_filter() |
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* |
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* Returns the value or FALSE if no element was found. |
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* |
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* @param array $array |
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* @param callable $callback |
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* @param int $flag Flag determining what arguments are sent to callback |
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* @return mixed|false |
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*/ |
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function array_find(array $array, callable $callback, int $flag = 0) |
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{ |
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foreach ($array as $key => $value) { |
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$args = $flag === ARRAY_FILTER_USE_BOTH ? [$key, $value] : |
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($flag === ARRAY_FILTER_USE_KEY ? [$key] : [$value]); |
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if ($callback(...$args)) { |
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return $value; |
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} |
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} |
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return false; |
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} |
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/** |
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* Find a key of an array using a callback function. |
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* @see array_filter() |
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* |
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* Returns the key or FALSE if no element was found. |
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* |
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* @param array $array |
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* @param callable $callback |
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* @param int $flag Flag determining what arguments are sent to callback |
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* @return string|int|false |
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*/ |
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function array_find_key(array $array, callable $callback, int $flag = 0) |
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{ |
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foreach ($array as $key => $value) { |
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$args = $flag === ARRAY_FILTER_USE_BOTH ? [$key, $value] : |
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($flag === ARRAY_FILTER_USE_KEY ? [$key] : [$value]); |
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if ($callback(...$args)) { |
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return $key; |
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} |
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} |
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return false; |
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} |
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/** |
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* Flatten a nested associative array, concatenating the keys. |
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* |
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* @param array $array |
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* @param string $glue |
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* @return array |
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*/ |
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function array_flatten(array $array, string $glue = '.'): array |
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{ |
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foreach ($array as $key => &$value) { |
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if (!is_associative_array($value)) { |
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continue; |
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} |
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unset($array[$key]); |
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$value = array_flatten($value, $glue); |
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foreach ($value as $subkey => $subvalue) { |
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$array[$key . $glue . $subkey] = $subvalue; |
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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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* Join an array, using the 'and' parameter as glue the last two items. |
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* |
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* @param string $glue |
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* @param string $and |
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* @param array $array |
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* @return string |
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*/ |
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function array_join_pretty(string $glue, string $and, array $array): string |
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{ |
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$last = (string)array_pop($array); |
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return (count($array) === 0 ? "" : join($glue, $array) . $and) . $last; |
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} |
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