Parsing the array_combine() function in php

In the previous article, we introduced "Using abs() to obtain the absolute value of parameters in php". In this article, we introduce the array_combine() function.

In php, we may need some special requirements when creating an array. For example, create an array, use the value of one array as its key name, and the value of another array as its value. At this time, you can Using the php built-in function array_combine () function, first take a look at the syntax:

array_combine       ( array $keys      , array $values      )

• $keys: will be used as the new array key. Illegal values ​​will be converted to string type (string).

• $values: Will be used as the value of Array

• Return value: Returns the merged array, if the number of cells in the two arrays is different Return false.

Code example:

<?php
$a = array(&#39;ai&#39;, &#39;ui&#39;, &#39;ci&#39;);
$b = array(&#39;大数据&#39;, &#39;交互&#39;, &#39;部门&#39;);
$c = array_combine($a, $b);

print_r($c);
?>

输出：Array ( [ai] => 大数据 [ui] => 交互 [ci] => 部门 )

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