How to make an array with keys?

Question

PHP

Hello !
It is necessary to exclude from the parser, the id of one category
(php I don’t know, the search did not help)
Instructions:

The $options parameter is an array with the following keys:
file - File name with the final icml without path (default: shopname.catalog.xml)
directory - Directory for the final icml file (default: current directory)
ignoreCategories - array with keys:
ids - Array with id of product groups that should be ignored
externalCodes - Array with external codes of product groups that should be ignored
ignoreNoCategoryOffers - If true, products that do not belong to any category will be ignored by
imgur - Image hosting
clientId - Unique application identifier (as its get read more)

Who knows good lessons on php?) On YouTube, they somehow don’t explain clearly .....

Answer 1

php.net/manual/en/language.types.array.php
php.net/manual/en/langref.php