34 lines
679 B
PHP
34 lines
679 B
PHP
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<?php
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namespace Rails\Toolbox;
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abstract class ArrayTools
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{
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/**
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* Flattens an array.
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*/
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static public function flatten(array $arr)
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{
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$flat = array();
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foreach ($arr as $v) {
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if (is_array($v))
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$flat = array_merge($flat, self::flatten($v));
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else
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$flat[] = $v;
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}
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return $flat;
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}
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/**
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* Checks if an array is indexed.
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*/
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static public function isIndexed(array $array)
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{
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$i = 0;
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foreach (array_keys($array) as $k) {
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if ($k !== $i)
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return false;
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$i++;
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}
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return true;
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}
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}
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