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get_all_category_ids()

get_all_category_ids(): int[]

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This function has been deprecated. Use get_terms() instead.

Retrieves all category IDs.

Description

See also

Return

int[] List of all of the category IDs.

Source

function get_all_category_ids() {
	_deprecated_function( __FUNCTION__, '4.0.0', 'get_terms()' );

	$cat_ids = get_terms(
		array(
			'taxonomy' => 'category',
			'fields'   => 'ids',
			'get'      => 'all',
		)
	);

	return $cat_ids;
}

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UsesDescription
get_terms()wp-includes/taxonomy.php

Retrieves the terms in a given taxonomy or list of taxonomies.

_deprecated_function()wp-includes/functions.php

Marks a function as deprecated and inform when it has been used.

Used byDescription
get_category_children()wp-includes/deprecated.php

Retrieve category children list separated before and after the term IDs.

Changelog

VersionDescription
4.0.0Use get_terms()
2.0.0Introduced.

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