WordPress/wp-admin/options.php

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<?php
/**
* Options Management Administration Screen.
*
* If accessed directly in a browser this page shows a list of all saved options
* along with editable fields for their values. Serialized data is not supported
* and there is no way to remove options via this page. It is not linked to from
* anywhere else in the admin.
*
* This file is also the target of the forms in core and custom options pages
* that use the Settings API. In this case it saves the new option values
* and returns the user to their page of origin.
*
* @package WordPress
* @subpackage Administration
*/
/** WordPress Administration Bootstrap */
require_once( dirname( __FILE__ ) . '/admin.php' );
$title = __( 'Settings' );
$this_file = 'options.php';
$parent_file = 'options-general.php';
wp_reset_vars( array( 'action', 'option_page' ) );
$capability = 'manage_options';
// This is for back compat and will eventually be removed.
if ( empty( $option_page ) ) {
$option_page = 'options';
} else {
/**
* Filters the capability required when using the Settings API.
*
* By default, the options groups for all registered settings require the manage_options capability.
* This filter is required to change the capability required for a certain options page.
*
* @since 3.2.0
*
* @param string $capability The capability used for the page, which is manage_options by default.
*/
$capability = apply_filters( "option_page_capability_{$option_page}", $capability );
}
if ( ! current_user_can( $capability ) ) {
wp_die(
'<h1>' . __( 'You need a higher level of permission.' ) . '</h1>' .
'<p>' . __( 'Sorry, you are not allowed to manage these options.' ) . '</p>',
403
);
}
// Handle admin email change requests
if ( ! empty( $_GET['adminhash'] ) ) {
$new_admin_details = get_option( 'adminhash' );
$redirect = 'options-general.php?updated=false';
if ( is_array( $new_admin_details ) && hash_equals( $new_admin_details['hash'], $_GET['adminhash'] ) && ! empty( $new_admin_details['newemail'] ) ) {
update_option( 'admin_email', $new_admin_details['newemail'] );
delete_option( 'adminhash' );
delete_option( 'new_admin_email' );
$redirect = 'options-general.php?updated=true';
}
wp_redirect( admin_url( $redirect ) );
exit;
} elseif ( ! empty( $_GET['dismiss'] ) && 'new_admin_email' == $_GET['dismiss'] ) {
check_admin_referer( 'dismiss-' . get_current_blog_id() . '-new_admin_email' );
delete_option( 'adminhash' );
delete_option( 'new_admin_email' );
wp_redirect( admin_url( 'options-general.php?updated=true' ) );
exit;
}
if ( is_multisite() && ! current_user_can( 'manage_network_options' ) && 'update' != $action ) {
wp_die(
'<h1>' . __( 'You need a higher level of permission.' ) . '</h1>' .
'<p>' . __( 'Sorry, you are not allowed to delete these items.' ) . '</p>',
403
);
}
$whitelist_options = array(
'general' => array(
'blogname',
'blogdescription',
'gmt_offset',
'date_format',
'time_format',
'start_of_week',
'timezone_string',
'WPLANG',
'new_admin_email',
),
'discussion' => array(
'default_pingback_flag',
'default_ping_status',
'default_comment_status',
'comments_notify',
'moderation_notify',
'comment_moderation',
'require_name_email',
'comment_whitelist',
'comment_max_links',
'moderation_keys',
'blacklist_keys',
'show_avatars',
'avatar_rating',
'avatar_default',
'close_comments_for_old_posts',
'close_comments_days_old',
'thread_comments',
'thread_comments_depth',
'page_comments',
'comments_per_page',
'default_comments_page',
'comment_order',
'comment_registration',
'show_comments_cookies_opt_in',
),
'media' => array(
'thumbnail_size_w',
'thumbnail_size_h',
'thumbnail_crop',
'medium_size_w',
'medium_size_h',
'large_size_w',
'large_size_h',
'image_default_size',
'image_default_align',
'image_default_link_type',
),
'reading' => array(
'posts_per_page',
'posts_per_rss',
'rss_use_excerpt',
'show_on_front',
'page_on_front',
'page_for_posts',
'blog_public',
),
'writing' => array(
'default_category',
'default_email_category',
'default_link_category',
'default_post_format',
),
);
$whitelist_options['misc'] = $whitelist_options['options'] = $whitelist_options['privacy'] = array();
$mail_options = array( 'mailserver_url', 'mailserver_port', 'mailserver_login', 'mailserver_pass' );
if ( ! in_array( get_option( 'blog_charset' ), array( 'utf8', 'utf-8', 'UTF8', 'UTF-8' ) ) ) {
$whitelist_options['reading'][] = 'blog_charset';
}
if ( get_site_option( 'initial_db_version' ) < 32453 ) {
$whitelist_options['writing'][] = 'use_smilies';
$whitelist_options['writing'][] = 'use_balanceTags';
}
if ( ! is_multisite() ) {
if ( ! defined( 'WP_SITEURL' ) ) {
$whitelist_options['general'][] = 'siteurl';
}
if ( ! defined( 'WP_HOME' ) ) {
$whitelist_options['general'][] = 'home';
}
$whitelist_options['general'][] = 'users_can_register';
$whitelist_options['general'][] = 'default_role';
$whitelist_options['writing'] = array_merge( $whitelist_options['writing'], $mail_options );
$whitelist_options['writing'][] = 'ping_sites';
$whitelist_options['media'][] = 'uploads_use_yearmonth_folders';
// If upload_url_path and upload_path are both default values, they're locked.
if ( get_option( 'upload_url_path' ) || ( get_option( 'upload_path' ) != 'wp-content/uploads' && get_option( 'upload_path' ) ) ) {
$whitelist_options['media'][] = 'upload_path';
$whitelist_options['media'][] = 'upload_url_path';
}
} else {
/**
* Filters whether the post-by-email functionality is enabled.
*
* @since 3.0.0
*
* @param bool $enabled Whether post-by-email configuration is enabled. Default true.
*/
if ( apply_filters( 'enable_post_by_email_configuration', true ) ) {
$whitelist_options['writing'] = array_merge( $whitelist_options['writing'], $mail_options );
}
}
/**
* Filters the options white list.
*
* @since 2.7.0
*
* @param array $whitelist_options White list options.
*/
$whitelist_options = apply_filters( 'whitelist_options', $whitelist_options );
/*
* If $_GET['action'] == 'update' we are saving settings sent from a settings page
*/
if ( 'update' == $action ) {
if ( 'options' == $option_page && ! isset( $_POST['option_page'] ) ) { // This is for back compat and will eventually be removed.
$unregistered = true;
check_admin_referer( 'update-options' );
} else {
$unregistered = false;
check_admin_referer( $option_page . '-options' );
}
if ( ! isset( $whitelist_options[ $option_page ] ) ) {
wp_die( __( '<strong>ERROR</strong>: options page not found.' ) );
}
if ( 'options' == $option_page ) {
if ( is_multisite() && ! current_user_can( 'manage_network_options' ) ) {
wp_die( __( 'Sorry, you are not allowed to modify unregistered settings for this site.' ) );
}
$options = explode( ',', wp_unslash( $_POST['page_options'] ) );
} else {
$options = $whitelist_options[ $option_page ];
}
if ( 'general' == $option_page ) {
// Handle custom date/time formats.
if ( ! empty( $_POST['date_format'] ) && isset( $_POST['date_format_custom'] ) && '\c\u\s\t\o\m' == wp_unslash( $_POST['date_format'] ) ) {
$_POST['date_format'] = $_POST['date_format_custom'];
}
if ( ! empty( $_POST['time_format'] ) && isset( $_POST['time_format_custom'] ) && '\c\u\s\t\o\m' == wp_unslash( $_POST['time_format'] ) ) {
$_POST['time_format'] = $_POST['time_format_custom'];
}
// Map UTC+- timezones to gmt_offsets and set timezone_string to empty.
if ( ! empty( $_POST['timezone_string'] ) && preg_match( '/^UTC[+-]/', $_POST['timezone_string'] ) ) {
$_POST['gmt_offset'] = $_POST['timezone_string'];
$_POST['gmt_offset'] = preg_replace( '/UTC\+?/', '', $_POST['gmt_offset'] );
$_POST['timezone_string'] = '';
}
// Handle translation installation.
if ( ! empty( $_POST['WPLANG'] ) && current_user_can( 'install_languages' ) ) {
require_once( ABSPATH . 'wp-admin/includes/translation-install.php' );
if ( wp_can_install_language_pack() ) {
$language = wp_download_language_pack( $_POST['WPLANG'] );
if ( $language ) {
$_POST['WPLANG'] = $language;
}
}
}
}
if ( $options ) {
$user_language_old = get_user_locale();
foreach ( $options as $option ) {
if ( $unregistered ) {
_deprecated_argument(
'options.php', '2.7.0',
sprintf(
/* translators: %s: the option/setting */
__( 'The %s setting is unregistered. Unregistered settings are deprecated. See https://codex.wordpress.org/Settings_API' ),
'<code>' . $option . '</code>'
)
);
}
$option = trim( $option );
$value = null;
if ( isset( $_POST[ $option ] ) ) {
$value = $_POST[ $option ];
if ( ! is_array( $value ) ) {
$value = trim( $value );
}
$value = wp_unslash( $value );
}
update_option( $option, $value );
}
/*
* Switch translation in case WPLANG was changed.
* The global $locale is used in get_locale() which is
* used as a fallback in get_user_locale().
*/
unset( $GLOBALS['locale'] );
$user_language_new = get_user_locale();
if ( $user_language_old !== $user_language_new ) {
load_default_textdomain( $user_language_new );
}
}
/**
* Handle settings errors and return to options page
*/
// If no settings errors were registered add a general 'updated' message.
if ( ! count( get_settings_errors() ) ) {
add_settings_error( 'general', 'settings_updated', __( 'Settings saved.' ), 'updated' );
}
set_transient( 'settings_errors', get_settings_errors(), 30 );
/**
* Redirect back to the settings page that was submitted
*/
$goback = add_query_arg( 'settings-updated', 'true', wp_get_referer() );
wp_redirect( $goback );
exit;
}
include( ABSPATH . 'wp-admin/admin-header.php' ); ?>
<div class="wrap">
<h1><?php esc_html_e( 'All Settings' ); ?></h1>
<form name="form" action="options.php" method="post" id="all-options">
<?php wp_nonce_field( 'options-options' ); ?>
<input type="hidden" name="action" value="update" />
<input type="hidden" name="option_page" value="options" />
<table class="form-table">
<?php
$options = $wpdb->get_results( "SELECT * FROM $wpdb->options ORDER BY option_name" );
foreach ( (array) $options as $option ) :
$disabled = false;
if ( $option->option_name == '' ) {
continue;
}
if ( is_serialized( $option->option_value ) ) {
if ( is_serialized_string( $option->option_value ) ) {
// This is a serialized string, so we should display it.
$value = maybe_unserialize( $option->option_value );
$options_to_update[] = $option->option_name;
$class = 'all-options';
} else {
$value = 'SERIALIZED DATA';
$disabled = true;
$class = 'all-options disabled';
}
} else {
$value = $option->option_value;
$options_to_update[] = $option->option_name;
$class = 'all-options';
}
$name = esc_attr( $option->option_name );
?>
<tr>
<th scope="row"><label for="<?php echo $name; ?>"><?php echo esc_html( $option->option_name ); ?></label></th>
<td>
<?php if ( strpos( $value, "\n" ) !== false ) : ?>
<textarea class="<?php echo $class; ?>" name="<?php echo $name; ?>" id="<?php echo $name; ?>" cols="30" rows="5"><?php echo esc_textarea( $value ); ?></textarea>
<?php else : ?>
<input class="regular-text <?php echo $class; ?>" type="text" name="<?php echo $name; ?>" id="<?php echo $name; ?>" value="<?php echo esc_attr( $value ); ?>"<?php disabled( $disabled, true ); ?> />
<?php endif ?></td>
</tr>
<?php endforeach; ?>
</table>
<input type="hidden" name="page_options" value="<?php echo esc_attr( implode( ',', $options_to_update ) ); ?>" />
<?php submit_button( __( 'Save Changes' ), 'primary', 'Update' ); ?>
</form>
</div>
<?php
include( ABSPATH . 'wp-admin/admin-footer.php' );