php example code : array_diff_key function in php - computes the difference of arrays using keys
array-diff-key-example-in-php.php
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<title>php example code : array_diff_key function in php - computes the difference of arrays using keys</title>
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<h3>php example code : array_diff_key function in php - computes the difference of arrays using keys</h3>
<?php
/*
--------------------------------------------------
let us make an array, with some keys and values
--------------------------------------------------
*/
$myFirstArray = array('key1'=>10, 'key2'=>11, 'key3', 5);
echo "<p>myFirstArray in the browser with structure</p>";
echo "<pre>";
print_r($myFirstArray);
echo "</pre>";
/*
-----------------------------------------------------
let us make another array, with some keys and values
-----------------------------------------------------
*/
$mySecondArray = array('key1'=>10, 'key2'=>12, 'key3'=>2, 5);
echo "<p>mySecondArray in the browser with structure</p>";
echo "<pre>";
print_r($mySecondArray);
echo "</pre>";
$finalArray = array_diff_key($myFirstArray, $mySecondArray);
echo "<p style='background:#eee; color:red;'>Output of final array using array_diff_key function</p>";
echo "<pre>";
print_r($finalArray);
echo "</pre>";
/*
-----------------------------------------------------------------
[1] => 5, because key [1] is not common and exist in first array
-----------------------------------------------------------------
*/
?>
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php example code : array_diff_key function in php - computes the difference of arrays using keys - output in the browser
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