Это серия функций, взятых из «фреймворка» WordPress, которые будут это делать, но это вполне может быть слишком:
add_query_arg ()
/**
* Retrieve a modified URL query string.
*
* You can rebuild the URL and append a new query variable to the URL query by
* using this function. You can also retrieve the full URL with query data.
*
* Adding a single key & value or an associative array. Setting a key value to
* emptystring removes the key. Omitting oldquery_or_uri uses the $_SERVER
* value.
*
* @since 1.0
*
* @param mixed $param1 Either newkey or an associative_array
* @param mixed $param2 Either newvalue or oldquery or uri
* @param mixed $param3 Optional. Old query or uri
* @return string New URL query string.
*/
public function add_query_arg() {
$ret = '';
if ( is_array( func_get_arg(0) ) ) {
$uri = ( @func_num_args() < 2 || false === @func_get_arg( 1 ) ) ? $_SERVER['REQUEST_URI'] : @func_get_arg( 1 );
} else {
$uri = ( @func_num_args() < 3 || false === @func_get_arg( 2 ) ) ? $_SERVER['REQUEST_URI'] : @func_get_arg( 2 );
}
if ( $frag = strstr( $uri, '#' ) ) {
$uri = substr( $uri, 0, -strlen( $frag ) );
} else {
$frag = '';
}
if ( preg_match( '|^https?://|i', $uri, $matches ) ) {
$protocol = $matches[0];
$uri = substr( $uri, strlen( $protocol ) );
} else {
$protocol = '';
}
if ( strpos( $uri, '?' ) !== false ) {
$parts = explode( '?', $uri, 2 );
if ( 1 == count( $parts ) ) {
$base = '?';
$query = $parts[0];
} else {
$base = $parts[0] . '?';
$query = $parts[1];
}
} elseif ( !empty( $protocol ) || strpos( $uri, '=' ) === false ) {
$base = $uri . '?';
$query = '';
} else {
$base = '';
$query = $uri;
}
parse_str( $query, $qs );
if ( get_magic_quotes_gpc() )
$qs = format::stripslashes_deep( $qs );
$qs = format::urlencode_deep( $qs ); // this re-URL-encodes things that were already in the query string
if ( is_array( func_get_arg( 0 ) ) ) {
$kayvees = func_get_arg( 0 );
$qs = array_merge( $qs, $kayvees );
} else {
$qs[func_get_arg( 0 )] = func_get_arg( 1 );
}
foreach ( ( array ) $qs as $k => $v ) {
if ( $v === false )
unset( $qs[$k] );
}
$ret = http_build_query( $qs, '', '&' );
$ret = trim( $ret, '?' );
$ret = preg_replace( '#=(&|$)#', '$1', $ret );
$ret = $protocol . $base . $ret . $frag;
$ret = rtrim( $ret, '?' );
return $ret;
}
stripslashes_deep ()
/**
* Navigates through an array and removes slashes from the values.
*
* If an array is passed, the array_map() function causes a callback to pass the
* value back to the function. The slashes from this value will removed.
*
* @since 1.0
*
* @param array|string $value The array or string to be stripped
* @return array|string Stripped array (or string in the callback).
*/
function stripslashes_deep( $value ) {
return is_array( $value ) ? array_map( array('self', 'stripslashes_deep'), $value ) : stripslashes( $value );
}
urlencode_deep ()
/**
* Navigates through an array and encodes the values to be used in a URL.
*
* Uses a callback to pass the value of the array back to the function as a
* string.
*
* @since 1.0
*
* @param array|string $value The array or string to be encoded.
* @return array|string $value The encoded array (or string from the callback).
*/
public function urlencode_deep( $value ) {
return is_array($value) ? array_map( array('self', 'urlencode_deep'), $value) : urlencode($value);
}