Question

Warning: This function has been deprecated. Use update_user_meta() instead.

update_usermeta( int $user_id,  string $meta_key,  mixed $meta_value )

Update metadata of user.

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description

There is no need to serialize values, they will be serialized if it is needed. The metadata key can only be a string with underscores. All else will be removed.

Will remove the metadata, if the meta value is empty.

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参数

$user_id

(int) (Required) User ID

$meta_key

(string) (Required) Metadata key.

$meta_value

(mixed) (Required) Metadata value.

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返回值

(bool) True on successful update, false on failure.

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源代码

File: wp-includes/deprecated.php

function update_usermeta( $user_id, $meta_key, $meta_value ) {
	_deprecated_function( __FUNCTION__, '3.0.0', 'update_user_meta()' );
	global $wpdb;
	if ( !is_numeric( $user_id ) )
		return false;
	$meta_key = preg_replace('|[^a-z0-9_]|i', '', $meta_key);

	/** @todo Might need fix because usermeta data is assumed to be already escaped */
	if ( is_string($meta_value) )
		$meta_value = stripslashes($meta_value);
	$meta_value = maybe_serialize($meta_value);

	if (empty($meta_value)) {
		return delete_usermeta($user_id, $meta_key);
	}

	$cur = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->usermeta WHERE user_id = %d AND meta_key = %s", $user_id, $meta_key) );

	if ( $cur )
		do_action( 'update_usermeta', $cur->umeta_id, $user_id, $meta_key, $meta_value );

	if ( !$cur )
		$wpdb->insert($wpdb->usermeta, compact('user_id', 'meta_key', 'meta_value') );
	elseif ( $cur->meta_value != $meta_value )
		$wpdb->update($wpdb->usermeta, compact('meta_value'), compact('user_id', 'meta_key') );
	else
		return false;

	clean_user_cache( $user_id );
	wp_cache_delete( $user_id, 'user_meta' );

	if ( !$cur )
		do_action( 'added_usermeta', $wpdb->insert_id, $user_id, $meta_key, $meta_value );
	else
		do_action( 'updated_usermeta', $cur->umeta_id, $user_id, $meta_key, $meta_value );

	return true;
}

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更新日志

Version	description
3.0.0	Use update_user_meta()
2.0.0	Introduced.

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相关函数

Uses

• wp-includes/cache.php: wp_cache_delete()
• wp-includes/deprecated.php: delete_usermeta()
• wp-includes/functions.php: _deprecated_function()
• wp-includes/functions.php: maybe_serialize()
• wp-includes/plugin.php: do_action()
• wp-includes/user.php: clean_user_cache()
• wp-includes/wp-db.php: wpdb::get_row()
• wp-includes/wp-db.php: wpdb::insert()
• wp-includes/wp-db.php: wpdb::update()
• wp-includes/wp-db.php: wpdb::prepare()
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User Contributed Notes