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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( $f, "# BEGIN {$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"];
}
}
}
}
?>
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