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84 lines
2.2 KiB
84 lines
2.2 KiB
<?php
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namespace Songshenzong\Support;
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use InvalidArgumentException;
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/**
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* Class Arrays
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*
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* @package Songshenzong\Support
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*/
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class Arrays
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{
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/**
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* @param array $arrays
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*
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* @return array
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*/
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public static function merge(array $arrays)
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{
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$result = [];
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foreach ($arrays as $array) {
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foreach ($array as $key => $value) {
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if (is_int($key)) {
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$result[] = $value;
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continue;
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}
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if (isset($result[$key]) && is_array($result[$key])) {
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$result[$key] = self::merge(
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[$result[$key], $value]
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);
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continue;
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}
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$result[$key] = $value;
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}
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}
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return $result;
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}
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/**
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* Returns item from array or $default if item is not set.
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*
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* @param array $array
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* @param string|int|array $key one or more keys
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* @param null $default
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*
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* @return mixed
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*/
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public static function get(array $array, $key, $default = null)
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{
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foreach (is_array($key) ? $key : [$key] as $k) {
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if (is_array($array) && array_key_exists($k, $array)) {
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$array = $array[$k];
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} else {
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if (func_num_args() < 3) {
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throw new InvalidArgumentException("Missing item '$k'.");
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}
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return $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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* @param array $system_version
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*/
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public static function versionCompare(array &$system_version)
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{
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for ($i = 0; $i < count($system_version) - 1; $i++) {
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for ($j = 0; $j < count($system_version) - 1 - $i; $j++) {
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if (version_compare($system_version[$j], $system_version[$j + 1], '<')) {
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$tmp = $system_version[$j];
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$system_version[$j] = $system_version[$j + 1];
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$system_version[$j + 1] = $tmp;
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}
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}
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}
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}
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}
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