What is the method for replacing array key names in php

PHP array key name replacement method: You can create a new array by merging two arrays using the array_combine() function, where one array element is the key name and the other array element is the key value.

array_combine() function creates a new array by merging two arrays, where the elements of one array are key names and the elements of the other array are key values. , returns the merged array. If the two arrays have different numbers of elements, return FALSE.

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Note: The number of elements in the key name array and the key value array must be the same!

Grammar:

array_combine(keys,values);

Example:

<?php
$fname=array("Peter","Ben","Joe");
$age=array("35","37","43");

$c=array_combine($fname,$age);
print_r($c);
?>

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