PHP Exercises: Retrieve all of the values for a given key
PHP: Exercise-87 with Solution
Write a PHP program to retrieve all of the values for a given key.
Sample Solution: -
PHP Code:
<?php
function pluck($items, $key)
{
return array_map( function($item) use ($key) {
return is_object($item) ? $item->$key : $item[$key];
}, $items);
}
print_r(pluck([
['product_id' => 'p100', 'name' => 'Computer'],
['product_id' => 'p200', 'name' => 'Laptop'],
], 'name'));
?>
Sample Output:
Array ( [0] => Computer [1] => Laptop )
Flowchart:

PHP Code Editor:
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Previous: Write a PHP program to get the last element of a given list.
Next: Write a PHP program to mutate the original array to filter out the values specified.
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PHP: Tips of the Day
Returns all elements in an array except for the first one
Example:
<?php function tips_tail($items) { return count($items) > 1 ? array_slice($items, 1) : $items; } print_r(tips_tail([1, 5, 7])); ?>
Output:
Array ( [0] => 5 [1] => 7 )
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