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- <?php
-
- function got_mod_rewrite() {
- $got_rewrite = apache_mod_loaded('mod_rewrite', true);
- return apply_filters('got_rewrite', $got_rewrite);
- }
-
- // Returns an array of strings from a file (.htaccess ) from between BEGIN
- // and END markers.
- function extract_from_markers( $filename, $marker ) {
- $result = array ();
-
- if (!file_exists( $filename ) ) {
- return $result;
- }
-
- if ( $markerdata = explode( "\n", implode( '', file( $filename ) ) ));
- {
- $state = false;
- foreach ( $markerdata as $markerline ) {
- if (strpos($markerline, '# END ' . $marker) !== false)
- $state = false;
- if ( $state )
- $result[] = $markerline;
- if (strpos($markerline, '# BEGIN ' . $marker) !== false)
- $state = true;
- }
- }
-
- return $result;
- }
-
- // Inserts an array of strings into a file (.htaccess ), placing it between
- // BEGIN and END markers. Replaces existing marked info. Retains surrounding
- // data. Creates file if none exists.
- // Returns true on write success, false on failure.
- function insert_with_markers( $filename, $marker, $insertion ) {
- if (!file_exists( $filename ) || is_writeable( $filename ) ) {
- if (!file_exists( $filename ) ) {
- $markerdata = '';
- } else {
- $markerdata = explode( "\n", implode( '', file( $filename ) ) );
- }
-
- $f = fopen( $filename, 'w' );
- $foundit = false;
- if ( $markerdata ) {
- $state = true;
- foreach ( $markerdata as $n => $markerline ) {
- if (strpos($markerline, '# BEGIN ' . $marker) !== false)
- $state = false;
- if ( $state ) {
- if ( $n + 1 < count( $markerdata ) )
- fwrite( $f, "{$markerline}\n" );
- else
- fwrite( $f, "{$markerline}" );
- }
- if (strpos($markerline, '# END ' . $marker) !== false) {
- fwrite( $f, "# BEGIN {$marker}\n" );
- if ( is_array( $insertion ))
- foreach ( $insertion as $insertline )
- fwrite( $f, "{$insertline}\n" );
- fwrite( $f, "# END {$marker}\n" );
- $state = true;
- $foundit = true;
- }
- }
- }
- if (!$foundit) {
- fwrite( $f, "\n# BEGIN {$marker}\n" );
- foreach ( $insertion as $insertline )
- fwrite( $f, "{$insertline}\n" );
- fwrite( $f, "# END {$marker}\n" );
- }
- fclose( $f );
- return true;
- } else {
- return false;
- }
- }
-
- /**
- * Updates the htaccess file with the current rules if it is writable.
- *
- * Always writes to the file if it exists and is writable to ensure that we blank out old rules.
- */
-
- function save_mod_rewrite_rules() {
- global $wp_rewrite;
-
- $home_path = get_home_path();
- $htaccess_file = $home_path.'.htaccess';
-
- // If the file doesn't already exists check for write access to the directory and whether of not we have some rules.
- // else check for write access to the file.
- if ((!file_exists($htaccess_file) && is_writable($home_path) && $wp_rewrite->using_mod_rewrite_permalinks()) || is_writable($htaccess_file)) {
- if ( got_mod_rewrite() ) {
- $rules = explode( "\n", $wp_rewrite->mod_rewrite_rules() );
- return insert_with_markers( $htaccess_file, 'WordPress', $rules );
- }
- }
-
- return false;
- }
-
- function update_recently_edited( $file ) {
- $oldfiles = (array ) get_option( 'recently_edited' );
- if ( $oldfiles ) {
- $oldfiles = array_reverse( $oldfiles );
- $oldfiles[] = $file;
- $oldfiles = array_reverse( $oldfiles );
- $oldfiles = array_unique( $oldfiles );
- if ( 5 < count( $oldfiles ))
- array_pop( $oldfiles );
- } else {
- $oldfiles[] = $file;
- }
- update_option( 'recently_edited', $oldfiles );
- }
-
- // If siteurl or home changed, flush rewrite rules.
- function update_home_siteurl( $old_value, $value ) {
- global $wp_rewrite;
-
- if ( defined( "WP_INSTALLING" ) )
- return;
-
- // If home changed, write rewrite rules to new location.
- $wp_rewrite->flush_rules();
- }
-
- add_action( 'update_option_home', 'update_home_siteurl', 10, 2 );
- add_action( 'update_option_siteurl', 'update_home_siteurl', 10, 2 );
-
- function url_shorten( $url ) {
- $short_url = str_replace( 'http://', '', stripslashes( $url ));
- $short_url = str_replace( 'www.', '', $short_url );
- if ('/' == substr( $short_url, -1 ))
- $short_url = substr( $short_url, 0, -1 );
- if ( strlen( $short_url ) > 35 )
- $short_url = substr( $short_url, 0, 32 ).'...';
- return $short_url;
- }
-
- function wp_reset_vars( $vars ) {
- for ( $i=0; $i<count( $vars ); $i += 1 ) {
- $var = $vars[$i];
- global $$var;
-
- if (!isset( $$var ) ) {
- if ( empty( $_POST["$var"] ) ) {
- if ( empty( $_GET["$var"] ) )
- $$var = '';
- else
- $$var = $_GET["$var"];
- } else {
- $$var = $_POST["$var"];
- }
- }
- }
- }
-
- ?>
-