How do I remove an element from an array when I know the elements name? for example:
I have an array:
$array = array('apple', 'orange', 'strawberry', 'blueberry', 'kiwi');
the user enters strawberry
strawberry
is removed.
To fully explain:
I have a database that stores a list of items separated by a comma. The code pulls in the list based on a user choice where that choice is located. So, if they choose strawberry they code pulls in every entry were strawberry is located then converts that to an array using split(). I want to them remove the user chosen items, for this example strawberry, from the array.
Answer
Use array_search
to get the key and remove it with unset
if found:
if (($key = array_search('strawberry', $array)) !== false) {
unset($array[$key]);
}
array_search
returns false (null until PHP 4.2.0) if no item has been found.
And if there can be multiple items with the same value, you can use array_keys
to get the keys to all items:
foreach (array_keys($array, 'strawberry') as $key) {
unset($array[$key]);
}
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