Answers for "difference array_merge() and array_combine() in php"

php array_merge

<?php
$array1 = array("color" => "red", 2, 4);
$array2 = array("a", "b", "color" => "green", "shape" => "trapezoid", 4);
$result = array_merge($array1, $array2);
print_r($result);
?>
Array
(
    [color] => green
    [0] => 2
    [1] => 4
    [2] => a
    [3] => b
    [shape] => trapezoid
    [4] => 4
)

array_combine function in php

/* Array_combine is inbuilt function in php, which is use to combine two array in key value pair */
/* make sure both array should be of same length */

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

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

/*
Output:
Array ( [Peter] => 35 [Ben] => 37 [Joe] => 43 )
*/
  
/*
I hope it will help you.
Namaste
Stay home stay safe
*/