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delete_theme

February 11, 2011 by Thorsten 0 Comments

Definition:
function delete_theme($template, $redirect = '') {}

Remove a theme

Parameters

  • string $template: Template directory of the theme to delete
  • string $redirect: Redirect to page when complete.

Source code

function delete_theme($template, $redirect = '') {

	global $wp_filesystem;



	if ( empty($template) )

		return false;



	ob_start();

	if ( empty( $redirect ) )

		$redirect = wp_nonce_url('themes.php?action=delete&template=' . $template, 'delete-theme_' . $template);

	if ( false === ($credentials = request_filesystem_credentials($redirect)) ) {

		$data = ob_get_contents();

		ob_end_clean();

		if ( ! empty($data) ){

			include_once( ABSPATH . 'wp-admin/admin-header.php');

			echo $data;

			include( ABSPATH . 'wp-admin/admin-footer.php');

			exit;

		}

		return;

	}



	if ( ! WP_Filesystem($credentials) ) {

		request_filesystem_credentials($url, '', true); // Failed to connect, Error and request again

		$data = ob_get_contents();

		ob_end_clean();

		if ( ! empty($data) ) {

			include_once( ABSPATH . 'wp-admin/admin-header.php');

			echo $data;

			include( ABSPATH . 'wp-admin/admin-footer.php');

			exit;

		}

		return;

	}





	if ( ! is_object($wp_filesystem) )

		return new WP_Error('fs_unavailable', __('Could not access filesystem.'));



	if ( is_wp_error($wp_filesystem->errors) && $wp_filesystem->errors->get_error_code() )

		return new WP_Error('fs_error', __('Filesystem error.'), $wp_filesystem->errors);



	//Get the base plugin folder

	$themes_dir = $wp_filesystem->wp_themes_dir();

	if ( empty($themes_dir) )

		return new WP_Error('fs_no_themes_dir', __('Unable to locate WordPress theme directory.'));



	$themes_dir = trailingslashit( $themes_dir );

	$theme_dir = trailingslashit($themes_dir . $template);

	$deleted = $wp_filesystem->delete($theme_dir, true);



	if ( ! $deleted )

		return new WP_Error('could_not_remove_theme', sprintf(__('Could not fully remove the theme %s.'), $template) );



	// Force refresh of theme update information

	delete_site_transient('update_themes');



	return true;

}

814

/wp-admin/includes/theme.php, Documentation, Files, Functions, Functions by letter d
,

delete_site_transient

February 11, 2011 by Thorsten 0 Comments

Definition:
function delete_site_transient( $transient ) {}

Delete a site transient.

Parameters

  • string $transient: Transient name. Expected to not be SQL-escaped.

Return values

returns:True if successful, false otherwise

Defined actions

  • delete_site_transient_’.$transient
    do_action( 'delete_site_transient_' . $transient, $transient );
  • deleted_site_transient
    do_action( 'deleted_site_transient', $transient );

Source code

function delete_site_transient( $transient ) {

	global $_wp_using_ext_object_cache;



	do_action( 'delete_site_transient_' . $transient, $transient );

	if ( $_wp_using_ext_object_cache ) {

		$result = wp_cache_delete( $transient, 'site-transient' );

	} else {

		$option_timeout = '_site_transient_timeout_' . $transient;

		$option = '_site_transient_' . $transient;

		$result = delete_site_option( $option );

		if ( $result )

			delete_site_option( $option_timeout );

	}

	if ( $result )

		do_action( 'deleted_site_transient', $transient );

	return $result;

}

812

/wp-includes/functions.php, Actions, Actions by letter d, Documentation, Files, Functions, Functions by letter d
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delete_site_option

February 11, 2011 by Thorsten 0 Comments

Definition:
function delete_site_option( $option ) {}

Removes site option by name.

Parameters

  • string $option: Name of option to remove. Expected to not be SQL-escaped.

Return values

returns:True, if succeed. False, if failure.

Defined actions

  • pre_delete_site_option_’.$option
    do_action( 'pre_delete_site_option_' . $option );

Source code

function delete_site_option( $option ) {

	global $wpdb;



	// ms_protect_special_option( $option ); @todo



	do_action( 'pre_delete_site_option_' . $option );



	if ( !is_multisite() ) {

		$result = delete_option( $option );

	} else {

		$row = $wpdb->get_row( $wpdb->prepare( "SELECT meta_id FROM {$wpdb->sitemeta} WHERE meta_key = %s AND site_id = %d", $option, $wpdb->siteid ) );

		if ( is_null( $row ) || !$row->meta_id )

			return false;

		$cache_key = "{$wpdb->siteid}:$option";

810

/wp-includes/functions.php, Actions, Actions by letter p, Documentation, Files, Functions, Functions by letter d
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delete_post_meta_by_key

February 11, 2011 by Thorsten 0 Comments

Definition:
function delete_post_meta_by_key($post_meta_key) {}

Delete everything from post meta matching meta key.

Parameters

  • string $post_meta_key: Key to search for when deleting.

Return values

returns:Whether the post meta key was deleted from the database

Source code

function delete_post_meta_by_key($post_meta_key) {

	return delete_metadata( 'post', null, $post_meta_key, '', true );

}

808

/wp-includes/post.php, Documentation, Files, Functions, Functions by letter d
,

delete_post_meta

February 11, 2011 by Thorsten 0 Comments

Definition:
function delete_post_meta($post_id, $meta_key, $meta_value = '') {}

Remove metadata matching criteria from a post.
You can match based on the key, or key and value. Removing based on key and value, will keep from removing duplicate metadata with the same key. It also allows removing all metadata matching key, if needed.

Parameters

  • int $post_id: post ID
  • string $meta_key: Metadata name.
  • mixed $meta_value: Optional. Metadata value.

Return values

returns:False for failure. True for success.

Source code

function delete_post_meta($post_id, $meta_key, $meta_value = '') {

	// make sure meta is added to the post, not a revision

	if ( $the_post = wp_is_post_revision($post_id) )

		$post_id = $the_post;



	return delete_metadata('post', $post_id, $meta_key, $meta_value);

}

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/wp-includes/post.php, Documentation, Files, Functions, Functions by letter d
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