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Today, I would like to share with you the relevant knowledge points about how to use the array_column () function in the php array. The content is detailed and the logic is clear. I believe most people still know too much about this knowledge, so share this article for your reference. I hope you can get something after reading this article.

Description

1. returns the value of a single column in the input array. A general array_column is a defined column that gets a two-dimensional array and forms a new array output.

2. You can specify which column in the target array is the value of the new array and which column is the key name of the new array.

Grammar

Array_column (array,column_key,index_key)

Parameters.

Array

Column_key

Index_key

Example

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