374 lines
9.0 KiB
PHP
374 lines
9.0 KiB
PHP
<?php
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/**
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* Misc WordPress Administration API.
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*
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* @package WordPress
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* @subpackage Administration
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*/
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/**
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* {@internal Missing Short Description}}
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*
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* @since unknown
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*
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* @return unknown
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*/
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function got_mod_rewrite() {
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$got_rewrite = apache_mod_loaded('mod_rewrite', true);
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return apply_filters('got_rewrite', $got_rewrite);
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}
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/**
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* {@internal Missing Short Description}}
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*
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* @since unknown
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*
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* @param unknown_type $filename
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* @param unknown_type $marker
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* @return array An array of strings from a file (.htaccess ) from between BEGIN and END markers.
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*/
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function extract_from_markers( $filename, $marker ) {
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$result = array ();
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if (!file_exists( $filename ) ) {
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return $result;
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}
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if ( $markerdata = explode( "\n", implode( '', file( $filename ) ) ));
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{
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$state = false;
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foreach ( $markerdata as $markerline ) {
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if (strpos($markerline, '# END ' . $marker) !== false)
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$state = false;
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if ( $state )
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$result[] = $markerline;
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if (strpos($markerline, '# BEGIN ' . $marker) !== false)
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$state = true;
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}
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}
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return $result;
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}
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/**
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* {@internal Missing Short Description}}
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*
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* Inserts an array of strings into a file (.htaccess ), placing it between
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* BEGIN and END markers. Replaces existing marked info. Retains surrounding
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* data. Creates file if none exists.
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*
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* @since unknown
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*
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* @param unknown_type $filename
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* @param unknown_type $marker
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* @param unknown_type $insertion
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* @return bool True on write success, false on failure.
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*/
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function insert_with_markers( $filename, $marker, $insertion ) {
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if (!file_exists( $filename ) || is_writeable( $filename ) ) {
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if (!file_exists( $filename ) ) {
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$markerdata = '';
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} else {
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$markerdata = explode( "\n", implode( '', file( $filename ) ) );
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}
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$f = fopen( $filename, 'w' );
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$foundit = false;
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if ( $markerdata ) {
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$state = true;
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foreach ( $markerdata as $n => $markerline ) {
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if (strpos($markerline, '# BEGIN ' . $marker) !== false)
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$state = false;
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if ( $state ) {
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if ( $n + 1 < count( $markerdata ) )
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fwrite( $f, "{$markerline}\n" );
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else
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fwrite( $f, "{$markerline}" );
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}
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if (strpos($markerline, '# END ' . $marker) !== false) {
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fwrite( $f, "# BEGIN {$marker}\n" );
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if ( is_array( $insertion ))
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foreach ( $insertion as $insertline )
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fwrite( $f, "{$insertline}\n" );
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fwrite( $f, "# END {$marker}\n" );
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$state = true;
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$foundit = true;
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}
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}
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}
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if (!$foundit) {
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fwrite( $f, "\n# BEGIN {$marker}\n" );
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foreach ( $insertion as $insertline )
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fwrite( $f, "{$insertline}\n" );
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fwrite( $f, "# END {$marker}\n" );
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}
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fclose( $f );
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return true;
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} else {
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return false;
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}
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}
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/**
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* Updates the htaccess file with the current rules if it is writable.
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*
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* Always writes to the file if it exists and is writable to ensure that we
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* blank out old rules.
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*
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* @since unknown
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*/
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function save_mod_rewrite_rules() {
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global $wp_rewrite;
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$home_path = get_home_path();
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$htaccess_file = $home_path.'.htaccess';
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// If the file doesn't already exists check for write access to the directory and whether of not we have some rules.
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// else check for write access to the file.
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if ((!file_exists($htaccess_file) && is_writable($home_path) && $wp_rewrite->using_mod_rewrite_permalinks()) || is_writable($htaccess_file)) {
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if ( got_mod_rewrite() ) {
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$rules = explode( "\n", $wp_rewrite->mod_rewrite_rules() );
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return insert_with_markers( $htaccess_file, 'WordPress', $rules );
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}
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}
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return false;
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}
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/**
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* {@internal Missing Short Description}}
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*
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* @since unknown
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*
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* @param unknown_type $file
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*/
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function update_recently_edited( $file ) {
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$oldfiles = (array ) get_option( 'recently_edited' );
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if ( $oldfiles ) {
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$oldfiles = array_reverse( $oldfiles );
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$oldfiles[] = $file;
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$oldfiles = array_reverse( $oldfiles );
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$oldfiles = array_unique( $oldfiles );
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if ( 5 < count( $oldfiles ))
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array_pop( $oldfiles );
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} else {
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$oldfiles[] = $file;
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}
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update_option( 'recently_edited', $oldfiles );
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}
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/**
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* If siteurl or home changed, flush rewrite rules.
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*
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* @since unknown
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*
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* @param unknown_type $old_value
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* @param unknown_type $value
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*/
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function update_home_siteurl( $old_value, $value ) {
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global $wp_rewrite;
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if ( defined( "WP_INSTALLING" ) )
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return;
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// If home changed, write rewrite rules to new location.
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$wp_rewrite->flush_rules();
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}
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add_action( 'update_option_home', 'update_home_siteurl', 10, 2 );
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add_action( 'update_option_siteurl', 'update_home_siteurl', 10, 2 );
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/**
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* {@internal Missing Short Description}}
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*
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* @since unknown
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*
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* @param unknown_type $url
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* @return unknown
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*/
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function url_shorten( $url ) {
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$short_url = str_replace( 'http://', '', stripslashes( $url ));
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$short_url = str_replace( 'www.', '', $short_url );
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if ('/' == substr( $short_url, -1 ))
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$short_url = substr( $short_url, 0, -1 );
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if ( strlen( $short_url ) > 35 )
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$short_url = substr( $short_url, 0, 32 ).'...';
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return $short_url;
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}
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/**
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* {@internal Missing Short Description}}
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*
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* @since unknown
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*
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* @param unknown_type $vars
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*/
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function wp_reset_vars( $vars ) {
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for ( $i=0; $i<count( $vars ); $i += 1 ) {
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$var = $vars[$i];
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global $$var;
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if (!isset( $$var ) ) {
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if ( empty( $_POST["$var"] ) ) {
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if ( empty( $_GET["$var"] ) )
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$$var = '';
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else
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$$var = $_GET["$var"];
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} else {
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$$var = $_POST["$var"];
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}
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}
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}
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}
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/**
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* {@internal Missing Short Description}}
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*
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* @since unknown
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*
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* @param unknown_type $message
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*/
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function show_message($message) {
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if( is_wp_error($message) ){
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if( $message->get_error_data() )
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$message = $message->get_error_message() . ': ' . $message->get_error_data();
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else
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$message = $message->get_error_message();
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}
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echo "<p>$message</p>\n";
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}
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/* Whitelist functions */
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/**
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* {@internal Missing Short Description}}
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*
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* @since unknown
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*
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* @param unknown_type $option_group
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* @param unknown_type $option_name
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* @param unknown_type $sanitize_callback
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* @return unknown
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*/
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function register_setting($option_group, $option_name, $sanitize_callback = '') {
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return add_option_update_handler($option_group, $option_name, $sanitize_callback);
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}
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/**
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* {@internal Missing Short Description}}
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*
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* @since unknown
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*
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* @param unknown_type $option_group
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* @param unknown_type $option_name
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* @param unknown_type $sanitize_callback
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* @return unknown
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*/
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function unregister_setting($option_group, $option_name, $sanitize_callback = '') {
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return remove_option_update_handler($option_group, $option_name, $sanitize_callback);
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}
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/**
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* {@internal Missing Short Description}}
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*
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* @since unknown
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*
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* @param unknown_type $option_group
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* @param unknown_type $option_name
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* @param unknown_type $sanitize_callback
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*/
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function add_option_update_handler($option_group, $option_name, $sanitize_callback = '') {
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global $new_whitelist_options;
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$new_whitelist_options[ $option_group ][] = $option_name;
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if ( $sanitize_callback != '' )
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add_filter( "sanitize_option_{$option_name}", $sanitize_callback );
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}
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/**
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* {@internal Missing Short Description}}
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*
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* @since unknown
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*
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* @param unknown_type $option_group
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* @param unknown_type $option_name
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* @param unknown_type $sanitize_callback
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*/
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function remove_option_update_handler($option_group, $option_name, $sanitize_callback = '') {
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global $new_whitelist_options;
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$pos = array_search( $option_name, $new_whitelist_options );
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if ( $pos !== false )
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unset( $new_whitelist_options[ $option_group ][ $pos ] );
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if ( $sanitize_callback != '' )
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remove_filter( "sanitize_option_{$option_name}", $sanitize_callback );
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}
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/**
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* {@internal Missing Short Description}}
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*
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* @since unknown
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*
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* @param unknown_type $options
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* @return unknown
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*/
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function option_update_filter( $options ) {
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global $new_whitelist_options;
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if ( is_array( $new_whitelist_options ) )
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$options = add_option_whitelist( $new_whitelist_options, $options );
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return $options;
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}
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add_filter( 'whitelist_options', 'option_update_filter' );
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/**
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* {@internal Missing Short Description}}
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*
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* @since unknown
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*
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* @param unknown_type $new_options
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* @param unknown_type $options
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* @return unknown
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*/
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function add_option_whitelist( $new_options, $options = '' ) {
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if( $options == '' ) {
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global $whitelist_options;
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} else {
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$whitelist_options = $options;
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}
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foreach( $new_options as $page => $keys ) {
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foreach( $keys as $key ) {
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$pos = array_search( $key, $whitelist_options[ $page ] );
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if( $pos === false )
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$whitelist_options[ $page ][] = $key;
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}
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}
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return $whitelist_options;
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}
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/**
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* {@internal Missing Short Description}}
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*
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* @since unknown
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*
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* @param unknown_type $del_options
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* @param unknown_type $options
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* @return unknown
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*/
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function remove_option_whitelist( $del_options, $options = '' ) {
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if( $options == '' ) {
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global $whitelist_options;
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} else {
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$whitelist_options = $options;
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}
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foreach( $del_options as $page => $keys ) {
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foreach( $keys as $key ) {
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$pos = array_search( $key, $whitelist_options[ $page ] );
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if( $pos !== false )
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unset( $whitelist_options[ $page ][ $pos ] );
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}
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}
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return $whitelist_options;
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}
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?>
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