Question

get_cat_ID( string $cat_name )

Retrieve the ID of a category from its name.

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description

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参数

$cat_name

(string) (Required) Category name.

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返回值

(int) 0, if failure and ID of category on success.

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源代码

File: wp-includes/category.php

function get_cat_ID( $cat_name ) {
	$cat = get_term_by( 'name', $cat_name, 'category' );
	if ( $cat )
		return $cat->term_id;
	return 0;
}

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更新日志

Version	description
1.0.0	Introduced.

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相关函数

Uses

• wp-includes/taxonomy.php: get_term_by()

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Used By

• wp-includes/class-wp-xmlrpc-server.php: wp_xmlrpc_server::mw_editPost()
• wp-includes/class-wp-xmlrpc-server.php: wp_xmlrpc_server::mw_newPost()

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User Contributed Notes

1. Skip to note content You must log in to vote on the helpfulness of this noteVote results for this note: 1You must log in to vote on the helpfulness of this note Contributed by hearvox

   Example:

   <?php $cat_id = get_cat_ID ( 'Category Name' ); ?>

Useful for a function such as category_description() that requires a category’s ID:

<?php $cat_id = get_cat_ID ( 'Category Name', 'textdomain' ); ?>
<p>The 'Category Name' description is: <?php echo category_description( $cat_id ) ?></p>