PHP Array combine() Function

The array_combine() function is an inbuilt function in PHP. This function is introduced in PHP 5. It is used to create an array by using one array for keys and another for its values.

Syntax

array_combine(array_keys,array_values);

Parameters

Parameter Description Is compulsory
array_keys The keys of the array to be used Compulsory
array_values The values of the array to be used Compulsory

Important note: Total number of elements in both of the arrays must be equal for the function to execute successfully otherwise, it will throw an error.

PHP Example


<?php  
$language =array('Php', 'Core java', 'C', 'Javascript', 'C++');  
$marks = array(95, 96, 80, 75,68);  
$language_marks=array_combine($language, $marks);  
print_r($language_marks);  
?>

Output

Array ( [Php] => 95 [Core java] => 96 [C] => 80 [Javascript] => 75 [C++] => 68 )

PHP Example


<?php  
function Combine($nam1, $age2)  
{  
    return(array_combine($nam1, $age2));  
}  
    $nam1 = array("Ajay", "Amit", "Rahul");  
    $age2 = array('24', '30', '35');  
    print_r(Combine($nam1, $age2));  
?>

Output

Array ( [Ajay] => 24 [Amit] => 30 [Rahul] => 35 )

PHP Example


<?php  
$a1=array("a","b","c","d");  
$g2=array("Cricket","Football","Badminton","Hockey");  
print_r(array_combine($a1,$g2));  
?>

Output

Array ( [a] => Cricket [b] => Football [c] => Badminton [d] => Hockey )

PHP Example


<?php  
$a = array('green', 'red', 'yellow');  
$b = array('guava', 'cherry', 'orange');  
$c = array_combine($a, $b);  
print_r($c);  
?>

Output

Array ( [green] => guava [red] => cherry [yellow] => orange )