/PHP/Php How do you remove an array element in a foreach loop?

Php How do you remove an array element in a foreach loop?

Instead of doing foreach() loop on the array, it would be faster to use array_search() to find the proper key. On small arrays, I would go with foreach for better readibility, but for bigger arrays, or often executed code, this should be a bit more optimal:

$result=array_search($unwantedValue,$array,true);
if($result !== false) {
  unset($array[$result]);   
}

The strict comparsion operator !== is needed, because array_search() can return 0 as the index of the $unwantedValue.

Also, the above example will remove just the first value $unwantedValue, if the $unwantedValue can occur more then once in the $array, You should use array_keys(), to find all of them:

$result=array_keys($array,$unwantedValue,true)
foreach($result as $key) {
  unset($array[$key]);
}

Check http://php.net/manual/en/function.array-search.php for more information.

Source: stackoverflow.com

Similar codes

0 vote95 views4 answers
Installing bootstrap on laravel8
PHP
2 votes95 views3 answers
Laravel public static variable
PHP
19 votes93 views5 answers
Php get random element from array
PHP
22 votes98 views5 answers
Get logged user id laravel
PHP
2 votes95 views1 answer
How to fix undefined index: name in PackageManifest.php line 131 error with Composer
PHP
37 votes98 views2 answers
How to create random alphanumeric in php
PHP
5 votes93 views2 answers
Autoload.php
PHP
0 vote99 views1 answer
What is the mixmam size that php can take
PHP
6 votes123 views3 answers
Limit laravel
PHP Laravel
0 vote109 views1 answer
Laravel where false
PHP Laravel