php 多维数组取得键值的疑问？
eg: $arr = array( 'A' => array( 'A1' => 'first A', 'A2' => array( 'A2A' => 'second A') ) )
如何返回某个值的所有维度的键值？返回值'secend A'的每层键值'A2A', 'A2' , 'A' ?
eg: $arr = array( 'A' => array( 'A1' => 'first A', 'A2' => array( 'A2A' => 'second A') ) )
如何返回某个值的所有维度的键值？返回值'secend A'的每层键值'A2A', 'A2' , 'A' ?
数据分析师2017-09-30 22:39:56
Questions about obtaining key values from multi-dimensional arrays in php? -PHP Chinese website Q&A-Questions about obtaining key values from multi-dimensional arrays in PHP? -PHP Chinese website Q&A
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