1. array_combine(): It is used to creates a new array by using the key of one array as keys and using the value of another array as values.

Example :

$array1 = array('key1', 'key2', 'key3'); $array2 = array(('umesh', 'sonu', 'deepak'); $new_array = array_combine($array1, $array2); print_r($new_array);

OUTPUT : Array([key1]  => umesh[key2]    => sonu[key2]    =>deepak)

2. array_merge(): It merges one or more than one array such that the value of one array appended at the end of the first array. If the arrays have the same strings key, then the next value overrides the previous value for that key.

Example :

$array1 = array("one" => "java","two" => "sql"); $array2 = array("one" => "php","three" => "html","four"=>"Me"); $result = array_merge($array1, $array2); print_r($result); Array ( [one] => php [two] => sql [three] => html [four] => Me )

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