Question

category_exists( int|string $cat_name,  int $parent = null )

Check whether a category exists.

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description

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参数

$cat_name

(int|string) (Required) Category name.

$parent

(int) (Optional) ID of parent term.

Default value: null

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返回值

(mixed)

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源代码

File: wp-admin/includes/taxonomy.php

function category_exists( $cat_name, $parent = null ) {
	$id = term_exists($cat_name, 'category', $parent);
	if ( is_array($id) )
		$id = $id['term_id'];
	return $id;
}

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更新日志

Version	description
2.0.0	Introduced.

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相关函数

Uses

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

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Used By

• wp-admin/includes/taxonomy.php: wp_create_category()
• wp-admin/includes/taxonomy.php: wp_create_categories()

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User Contributed Notes