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<?php
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/* Generic string processors */
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if(!function_exists('http_build_query')) {
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function http_build_query( $formdata, $numeric_prefix = null, $key = null ) {
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$res = array();
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foreach ((array)$formdata as $k=>$v) {
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$tmp_key = urlencode(is_int($k) ? $numeric_prefix.$k : $k);
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if ($key) $tmp_key = $key.'['.$tmp_key.']';
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$res[] = ( ( is_array($v) || is_object($v) ) ? http_build_query($v, null, $tmp_key) : $tmp_key."=".urlencode($v) );
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}
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$separator = ini_get('arg_separator.output');
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return implode($separator, $res);
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}
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}
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function wp_get_referer() {
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if ( !empty( $_SERVER['HTTP_REFERER'] ) ) return $_SERVER['HTTP_REFERER'];
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return false;
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}
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function clean_url( $url, $protocols = null ) {
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if ('' == $url) return $url;
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$url = preg_replace('|[^a-z0-9-~+_.?#=!&;,/:%]|i', '', $url);
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$strip = array('%0d', '%0a');
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$url = str_replace($strip, '', $url);
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if ( strpos($url, '://') === false && substr( $url, 0, 1 ) != '/' && !preg_match('/^[a-z0-9-]+?\.php/i', $url) )
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$url = 'http://' . $url;
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$url = preg_replace('/&([^#])(?![a-z]{2,8};)/', '&$1', $url);
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return $url;
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}
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// Like htmlspecialchars except don't double-encode HTML entities
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function mt_specialchars( $text, $quotes = false ) {
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$text = str_replace('&&', '&&', $text);
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$text = str_replace('&&', '&&', $text);
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$text = preg_replace('/&(?:$|([^#])(?![a-z1-4]{1,8};))/', '&$1', $text);
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$text = str_replace('<', '<', $text);
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$text = str_replace('>', '>', $text);
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/* if ( 'double' === $quotes ) {
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$text = str_replace('"', '"', $text);
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} elseif ( 'single' === $quotes ) {
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$text = str_replace("'", ''', $text);
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} else
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*/
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if ( $quotes ) {
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$text = str_replace('"', '"', $text);
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$text = str_replace("'", ''', $text);
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}
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return $text;
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}
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function add_query_arg($param,$value,$url) {
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return $url . ( (strpos( $url, '?' )===false) ? '?' : '&' ) . $param . '=' . urlencode($value);
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}
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function Excerpt( $excerpt, $maxlen = 455) {
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$excerpt = strip_tags( $excerpt );
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if (strlen($excerpt) > $maxlen) {
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$excerpt = substr($excerpt,0,$maxlen-3) . '...';
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}
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return $excerpt;
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}
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/* Type names may consist of digits, letters, -, ', :, and whitespace */
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function sanitize_type_name( $name ) {
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return preg_replace( '/[^\d\w\':\s-]+/', '', $name );
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}
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function check_type_name( $name ) {
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global $error;
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if( $name == '' )
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$error.='A type must be supplied with a name, but none was given. Valid characters include letters, numbers, apostrophes, colons, and whitespace.';
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elseif ( $name !== sanitize_type_name($name) )
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$error.='Supplied name contains invalid characters. Valid characters include letters, numbers, apostrophes, colons, and whitespace.';
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else
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return true;
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return false;
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}
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function _objectInArrayWithIdExists( $id, $arrobj ) {
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foreach( $arrobj as $v )
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if( $v->id == $id ) return true;
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return false;
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}
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?>
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