Question

wp_load_alloptions()

Loads and caches all autoloaded options, if available or all options.

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description

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返回值

(array) List of all options.

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源代码

File: wp-includes/option.php

function wp_load_alloptions() {
	global $wpdb;

	if ( ! wp_installing() || ! is_multisite() )
		$alloptions = wp_cache_get( 'alloptions', 'options' );
	else
		$alloptions = false;

	if ( !$alloptions ) {
		$suppress = $wpdb->suppress_errors();
		if ( !$alloptions_db = $wpdb->get_results( "SELECT option_name, option_value FROM $wpdb->options WHERE autoload = 'yes'" ) )
			$alloptions_db = $wpdb->get_results( "SELECT option_name, option_value FROM $wpdb->options" );
		$wpdb->suppress_errors($suppress);
		$alloptions = array();
		foreach ( (array) $alloptions_db as $o ) {
			$alloptions[$o->option_name] = $o->option_value;
		}
		if ( ! wp_installing() || ! is_multisite() )
			wp_cache_add( 'alloptions', $alloptions, 'options' );
	}

	return $alloptions;
}

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更新日志

Version	description
2.2.0	Introduced.

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相关函数

Uses

• wp-includes/load.php: wp_installing()
• wp-includes/cache.php: wp_cache_get()
• wp-includes/cache.php: wp_cache_add()
• wp-includes/load.php: is_multisite()
• wp-includes/wp-db.php: wpdb::get_results()
• wp-includes/wp-db.php: wpdb::suppress_errors()
Show 1 more use Hide more uses

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Used By

• wp-includes/formatting.php: _wp_specialchars()
• wp-includes/deprecated.php: get_alloptions()
• wp-includes/functions.php: is_blog_installed()
• wp-includes/option.php: get_transient()
• wp-includes/option.php: update_option()
• wp-includes/option.php: add_option()
• wp-includes/option.php: delete_option()
• wp-includes/option.php: get_option()
Show 3 more used by Hide more used by

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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: 0You must log in to vote on the helpfulness of this note Contributed by Codex

   Example

   
   $all_options = wp_load_alloptions();
   $my_options  = array();
   
   foreach ( $all_options as $name => $value ) {
   	if ( stristr( $name, '_transient' ) ) {
   		$my_options[ $name ] = $value;
   	}
   }
   
   print_r( $my_options );