Php array diff assoc
From w3cyberlearnings
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PHP function array_diff_assoc
This function compares two or more arrays, and return a new array from the first array when the element from the first array does not match with elements in other arrays. The first element in the first array compares with the first element in the second array or third array.
Syntax array_diff_assoc
- array1: first array that use other arrays compare with
- array2: second array
- array3: third array
- array...
array_diff_assoc(array1, array2, array3...);
Example 1
<?php
$country1 = array('China', 'Cambodia', 'Malaysia');
$country2 = array('Malaysia', 'Vietnam', 'Malaysia');
$country_diff = array_diff_assoc($country1, $country2);
print_r($country_diff);
?>
Output
- China and Cambodia are not contained in the second array.
Array ( [0] => China [1] => Cambodia )
Example 2: use associative array
<?php
$country1 = array('China'=>39, 'Cambodia'=>3, 'Malaysia'=>40);
$country2 = array('Malaysia'=>33, 'Vietnam', 'Malaysia'=>40);
$country_diff = array_diff_assoc($country1, $country2);
print_r($country_diff);
?>
Output
Array ( [China] => 39 [Cambodia] => 3 )
Example 3
<?php
$country1 = array('China' => 39, 'Cambodia' => 3, 'Malaysia' => 40);
$country2 = array('Malaysia' => 33, 'Vietnam', 'Malaysia' => 40);
$country_diff = array_diff_assoc($country1, $country2);
foreach ($country_diff as $country => $score) {
echo "{$country} does not play in the second turn, however it score {$score} in the first play<br/>";
}
?>
Output
China does not play in the second turn, however it score 39 in the first play Cambodia does not play in the second turn, however it score 3 in the first play
Related Links
- array_change_key_case
- array_chunk
- array_combine
- array_count_values
- array_diff_assoc
- array_diff_key
- array_diff_uassoc
- array_diff_ukey
- array_diff
- array_fill_keys
- array_fill
- array_filter
- array_flip
- array_intersect_assoc
- array_intersect_key
- array_intersect_uassoc
- array_intersect_ukey
- array_intersect
- array_key_ exists
- array_keys
