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update_user_meta ›

Since3.0.0
已弃用n/a
update_user_meta ( $user_id, $meta_key, $meta_value, $prev_value = '' )
参数: (4)
  • (int) $user_id User ID.
    Required: Yes
  • (string) $meta_key Metadata key.
    Required: Yes
  • (mixed) $meta_value Metadata value.
    Required: Yes
  • (mixed) $prev_value Optional. Previous value to check before removing.
    Required: No
    默认: (empty)
链接:
返回:
  • (int|bool) Meta ID if the key didn't exist, true on successful update, false on failure.
定义在:
文档:

Update user meta field based on user ID.

Use the $prev_value parameter to differentiate between meta fields with the same key and user ID.

If the meta field for the user does not exist, it will be added.



源码

function update_user_meta( $user_id, $meta_key, $meta_value, $prev_value = '' ) {
	return update_metadata( 'user', $user_id, $meta_key, $meta_value, $prev_value );
}