Php array walk
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Contents |
PHP function array_walk
This function processes each array elements with a user-defined function. The array's keys is the first parameters and array's values is the second parameters of the user-defined function. For multidimensional array, use the array_walk_recursive() function.
Syntax array_walk
- array: array input
- callback: user-defined function
- para (optional): user defined parameter to include in the user-defined function (callback)
array_walk(array, callback, para);
Note
function callback($val, $key, $para) {
statement
}
Example 1
<?php
function score_u($score,$name) {
echo "{$name} scores {$score}<br/>";
}
$score = array(
'Taylor' => 32,
'Lucas' => 12,
'Makayla' => 42,
'Jennifer' => 12
);
array_walk($score, "score_u");
?>
Output
Taylor scores 32 Lucas scores 12 Makayla scores 42 Jennifer scores 12
Example 2: Associative array
<?php
function myteam($teams, $group, $p) {
$teams = implode(', ',$teams);
echo " {$group} contains {$teams} {$p}.<br/>";
}
$team = array(
'group 1' => array('Jennifer', 'Nevaeh', 'Elizabeth'),
'group 2' => array('Grace', 'Lauren', 'Chase'),
'group 3' => array('Kimberly', 'Jade')
);
array_walk($team, "myteam", ' ,and Great Team!');
?>
Output
group 1 contains Jennifer, Nevaeh, Elizabeth ,and Great Team!. group 2 contains Grace, Lauren, Chase ,and Great Team!. group 3 contains Kimberly, Jade ,and Great Team!.
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
