Created
August 17, 2016 17:44
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php url generator with query string modification
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| <?php | |
| /** | |
| * Class UrlGenerator | |
| * | |
| * A class to generate url, while adding or removing query string parameters | |
| */ | |
| class UrlGenerator { | |
| /** | |
| * Generates a http url | |
| * | |
| * @param string $baseUrl | |
| * @param array $removeQueryString | |
| * @param array $addQueryString | |
| * | |
| * @return string | |
| */ | |
| public static function generate( $baseUrl = '', $removeQueryString = array(), $addQueryString = array() ) { | |
| $baseUrl = trim( $baseUrl ); | |
| if ( $baseUrl == '' ) { | |
| $baseUrl = isset($_SERVER[ 'REQUEST_URI' ]) ? trim( $_SERVER[ 'REQUEST_URI' ] ) : ''; | |
| } | |
| if ( $baseUrl != '' ) { | |
| $urlParts = parse_url( $baseUrl ); | |
| $queryString = isset($urlParts[ 'query' ]) ? trim( $urlParts[ 'query' ] ) : ''; | |
| $queryArray = array(); | |
| if ( $queryString != '' ) { | |
| parse_str( $queryString, $queryArray ); | |
| } | |
| if ( !empty($queryArray) ) { | |
| # remove the keys | |
| if ( is_array( $removeQueryString ) && !empty($removeQueryString) ) { | |
| foreach ( $removeQueryString as $key ) { | |
| unset($queryArray[ $key ]); | |
| } | |
| } | |
| } | |
| # add new keys | |
| if ( is_array( $addQueryString ) && !empty($addQueryString) ) { | |
| foreach ( $addQueryString as $key => $value ) { | |
| $queryArray[ $key ] = $value; | |
| } | |
| } | |
| # if we have a non empty query array, rebuild the query string | |
| if ( !empty($queryArray) ) { | |
| $urlParts[ 'query' ] = urldecode( http_build_query( $queryArray ) ); | |
| } | |
| return self::unParseUrl( $urlParts ); | |
| } | |
| return $baseUrl; | |
| } | |
| /** | |
| * Rebuild an URL from it's parsed parts | |
| * | |
| * @param array $urlParts | |
| * | |
| * @return string | |
| */ | |
| public static function unParseUrl( $urlParts = array() ) { | |
| $scheme = isset($urlParts[ 'scheme' ]) ? trim( $urlParts[ 'scheme' ] ) : ''; | |
| if ( $scheme ) { | |
| $scheme .= '://'; | |
| } | |
| $host = isset($urlParts[ 'host' ]) ? trim( $urlParts[ 'host' ] ) : ''; | |
| $port = isset($urlParts[ 'port' ]) ? (int) $urlParts[ 'port' ] : 0; | |
| if ( $port > 0 ) { | |
| $port = ':'.$port; | |
| } | |
| else { | |
| $port = ''; | |
| } | |
| $user = isset($urlParts[ 'user' ]) ? trim( $urlParts[ 'user' ] ) : ''; | |
| $pass = isset($urlParts[ 'pass' ]) ? trim( $urlParts[ 'pass' ] ) : ''; | |
| if ( $user && $pass ) { | |
| $pass = ':'.$pass; | |
| } | |
| $path = isset($urlParts[ 'path' ]) ? trim( $urlParts[ 'path' ] ) : ''; | |
| $query = isset($urlParts[ 'query' ]) ? trim( $urlParts[ 'query' ] ) : ''; | |
| if ( $query ) { | |
| $query = '?'.$query; | |
| } | |
| $fragment = isset($urlParts[ 'fragment' ]) ? '#'.$urlParts[ 'fragment' ] : ''; | |
| return "{$scheme}{$user}{$pass}{$host}{$port}{$path}{$query}{$fragment}"; | |
| } | |
| } | |
| # usage | |
| $baseUrl = $_SERVER[ 'REQUEST_URI' ]; | |
| $removeKeys = array( 'pageNo' ); | |
| $addKeys = array( | |
| 'pageNo' => $_GET[ 'pageNo' ], | |
| 'is_paging' => '1', | |
| 'other' => array( 1, 2, 3 ), | |
| ); | |
| $pageUrl = UrlGenerator::generate( | |
| $_SERVER['REQUEST_URI'], | |
| array('_ticketPageNo'), | |
| array( | |
| '_ticketPageNo' => '{%page%}' | |
| ) | |
| ); | |
| echo $pageUrl; |
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