merge two arrays one as key to another php
// two arrays one become keys and second becomes values
array_combine ( array $keys , array $values );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 in javascript
function mergeArrays(arr1, arr2) {
return Array.from(new Set(arr1.concat(arr2).sort((a,b) => (a-b))));
}merge three array in php
$array1 = Array
(
'05/01',
'05/02'
);
$array2 = Array
(
'ED',
'P'
);
$array3 =Array
(
'Mon',
'Tue'
);
$result_array = array();
foreach ($array1 as $key=>$val)
{
$result_array[$key] = array($array1[$key],$array2[$key],$array3[$key]);
}
echo "<PRE>"; print_r($result_array);concat two arrays
public static void main(String[] args) {
String[] arr3 = {"A", "B", "C","Z","N"};
String[] arr4 = {"D", "E", "F","G","U"};
ArrayList<String> list1 = new ArrayList<>();
// [A, B, C, Z, N, D, E, F, G, U]
for( String each: arr3 ){
list1.add( each );
}
for(String each1 : arr4 ){
list1.add(each1);
}
System.out.println(list1); // [A, B, C, Z, N, D, E, F, G, U]Copyright © 2021 Codeinu
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