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Returning two values from a function in PHP
Two variables can’t be explicitly returned, they can be put in a list/array data structure and returned.
Example
function factors( $n ) {
// An empty array is declared
$fact = array();
// Loop through it
for ( $i = 1; $i < $n; $i++) {
// Check if i is the factor of
// n, push into array
if( $n % $i == 0 )
array_push( $fact, $i );
}
// Return array
return $fact;
}
// Declare a variable and initialize it
$num = 12;
// Function call
$nFactors = factors($num);
// Display the result
echo 'Factors of ' . $num . ' are: <br>';
foreach( $nFactors as $x ) {
echo $x . "<br>";
}Output
This will produce the following output −
Factors of 12 are: 1 2 3 4 6
Updated on: 07-Apr-2020
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