php combine arrays
$output = array_merge($array1, $array2);merge two arrays one as key to another php
// two arrays one become keys and second becomes values
array_combine ( array $keys , array $values );array merge in php
/* Array merge is basically use to merge the two array data. */
<?php
$a1=array("red","green");
$a2=array("blue","green","yellow");
print_r(array_merge($a1,$a2));
?>
/*
Output:
Array ( [0] => red [1] => green [2] => blue [3] => green [4] => yellow )
*/
<?php
$a1=array("a"=>"red","b"=>"green");
$a2=array("c"=>"blue","b"=>"yellow");
print_r(array_merge($a1,$a2));
?>
/*
Output:
Array ( [a] => red [b] => yellow [c] => blue )
*/
/* In above example you can check the difference in output
it takes all values of both array in final output, but not in associative array you can check.
because one value gets overwritten by same key reference in both array.
*/array merge with same key in php
Input : $a1=array("a"=>"raj", "b"=>"striver");
$a2=array("z"=>"geeks", "b"=>"articles");
Output :
Array
(
[a] => raj
[b] => Array
(
[0] => striver
[1] => articles
)
[z] => geeks
)Copyright © 2021 Codeinu
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