Checking for key in array...

[cgm225]

I need an IF statement/function that does the following: checks if an array contains a specific key, and, if so, replaces the key's value with a new provided value, but, if not, then it creates a new key (the one we were looking for)  and sets it to the new value.

 

Any ideas?  Thanks in advance!

[libertyct]

array_key_exists

 

<?php
$search_array = array('first' => 1, 'second' => 4);
if (array_key_exists('first', $search_array)) {
    echo "The 'first' element is in the array";
}
?>

 

then if key does not exist in array add it