51 lines
862 B
PHP
51 lines
862 B
PHP
<?php
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namespace League\CLImate\Util;
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class Helper
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{
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/**
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* @param string|array $var
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*
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* @return array
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*/
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public static function toArray($var)
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{
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if (!is_array($var)) {
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return [$var];
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}
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return $var;
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}
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/**
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* Flatten a multi-dimensional array
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*
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* @param array $arr
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*
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* @return array
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*/
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public static function flatten(array $arr)
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{
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$flattened = [];
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array_walk_recursive($arr, function ($a) use (&$flattened) {
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$flattened[] = $a;
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});
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return $flattened;
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}
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/**
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* Convert a string to snake case
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*
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* @param string $str
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*
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* @return string
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*/
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public static function snakeCase($str)
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{
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return strtolower(preg_replace('/(.)([A-Z])/', '$1_$2', $str));
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}
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}
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