Checking a menu submission value : array_key_exists « Data Structure « PHP

1. PHP
2. Data Structure
3. array_key_exists

Checking a menu submission value

 
if (! array_key_exists($_POST['order'], $GLOBALS['sweets'])) {
    $errors[] = 'Please choose a valid order.';
}
  
  

Related examples in the same category

1.	Checking for an element with a particular key
2.	Validating a drop-down menu with array_key_exists()
3.	Testing for the Existence of a Key in an Array