', "\n", $text); $text = str_replace('
', '', $text); return $text; } endif; if ( !function_exists( 'js_escape' ) ) : // Current at [WP9840] /** * Escape single quotes, specialchar double quotes, and fix line endings. * * The filter 'js_escape' is also applied here. * * @since WP 2.0.4 * * @param string $text The text to be escaped. * @return string Escaped text. */ function js_escape($text) { $safe_text = wp_check_invalid_utf8( $text ); $safe_text = wp_specialchars( $safe_text, ENT_COMPAT ); $safe_text = preg_replace( '/&#(x)?0*(?(1)27|39);?/i', "'", stripslashes( $safe_text ) ); $safe_text = preg_replace( "/\r?\n/", "\\n", addslashes( $safe_text ) ); return apply_filters( 'js_escape', $safe_text, $text ); } endif; if ( !function_exists( 'attribute_escape' ) ) : // Not like WordPress - uses wp_check_invalid_utf8() and wp_entities() /** * Escaping for HTML attributes. * * @since WP 2.0.6 * * @param string $text * @return string */ function attribute_escape( $text ) { $safe_text = wp_check_invalid_utf8( $text ); $safe_text = wp_specialchars( $safe_text, ENT_QUOTES ); return apply_filters( 'attribute_escape', $safe_text, $text ); } endif; if ( !function_exists( 'build_query' ) ) : // Current at [WP9840] /** * Build URL query based on an associative and, or indexed array. * * This is a convenient function for easily building url queries. It sets the * separator to '&' and uses _http_build_query() function. * * @see _http_build_query() Used to build the query * @link http://us2.php.net/manual/en/function.http-build-query.php more on what * http_build_query() does. * * @since WP 2.3.0 * * @param array $data URL-encode key/value pairs. * @return string URL encoded string */ function build_query( $data ) { return _http_build_query( $data, null, '&', '', false ); } endif; if ( !function_exists( 'add_query_arg' ) ) : // Current at [WP9840] /** * 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 WP 1.5.0 * * @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. */ function add_query_arg() { $ret = ''; if ( is_array( func_get_arg(0) ) ) { if ( @func_num_args() < 2 || false === @func_get_arg( 1 ) ) $uri = $_SERVER['REQUEST_URI']; else $uri = @func_get_arg( 1 ); } else { if ( @func_num_args() < 3 || false === @func_get_arg( 2 ) ) $uri = $_SERVER['REQUEST_URI']; else $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; } wp_parse_str( $query, $qs ); $qs = 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 = build_query( $qs ); $ret = trim( $ret, '?' ); $ret = preg_replace( '#=(&|$)#', '$1', $ret ); $ret = $protocol . $base . $ret . $frag; $ret = rtrim( $ret, '?' ); return $ret; } endif; if ( !function_exists( 'remove_query_arg' ) ) : // Current at [WP9840] /** * Removes an item or list from the query string. * * @since WP 1.5.0 * * @param string|array $key Query key or keys to remove. * @param bool $query When false uses the $_SERVER value. * @return string New URL query string. */ function remove_query_arg( $key, $query=false ) { if ( is_array( $key ) ) { // removing multiple keys foreach ( $key as $k ) $query = add_query_arg( $k, false, $query ); return $query; } return add_query_arg( $key, false, $query ); } endif; if ( !function_exists( 'ent2ncr' ) ) : // Current at [WP9840] /** * Converts named entities into numbered entities. * * @since WP 1.5.1 * * @param string $text The text within which entities will be converted. * @return string Text with converted entities. */ function ent2ncr($text) { $to_ncr = array( '"' => '"', '&' => '&', '⁄' => '/', '<' => '<', '>' => '>', '|' => '|', ' ' => ' ', '¡' => '¡', '¢' => '¢', '£' => '£', '¤' => '¤', '¥' => '¥', '¦' => '¦', '&brkbar;' => '¦', '§' => '§', '¨' => '¨', '¨' => '¨', '©' => '©', 'ª' => 'ª', '«' => '«', '¬' => '¬', '' => '', '®' => '®', '¯' => '¯', '&hibar;' => '¯', '°' => '°', '±' => '±', '²' => '²', '³' => '³', '´' => '´', 'µ' => 'µ', '¶' => '¶', '·' => '·', '¸' => '¸', '¹' => '¹', 'º' => 'º', '»' => '»', '¼' => '¼', '½' => '½', '¾' => '¾', '¿' => '¿', 'À' => 'À', 'Á' => 'Á', 'Â' => 'Â', 'Ã' => 'Ã', 'Ä' => 'Ä', 'Å' => 'Å', 'Æ' => 'Æ', 'Ç' => 'Ç', 'È' => 'È', 'É' => 'É', 'Ê' => 'Ê', 'Ë' => 'Ë', 'Ì' => 'Ì', 'Í' => 'Í', 'Î' => 'Î', 'Ï' => 'Ï', 'Ð' => 'Ð', 'Ñ' => 'Ñ', 'Ò' => 'Ò', 'Ó' => 'Ó', 'Ô' => 'Ô', 'Õ' => 'Õ', 'Ö' => 'Ö', '×' => '×', 'Ø' => 'Ø', 'Ù' => 'Ù', 'Ú' => 'Ú', 'Û' => 'Û', 'Ü' => 'Ü', 'Ý' => 'Ý', 'Þ' => 'Þ', 'ß' => 'ß', 'à' => 'à', 'á' => 'á', 'â' => 'â', 'ã' => 'ã', 'ä' => 'ä', 'å' => 'å', 'æ' => 'æ', 'ç' => 'ç', 'è' => 'è', 'é' => 'é', 'ê' => 'ê', 'ë' => 'ë', 'ì' => 'ì', 'í' => 'í', 'î' => 'î', 'ï' => 'ï', 'ð' => 'ð', 'ñ' => 'ñ', 'ò' => 'ò', 'ó' => 'ó', 'ô' => 'ô', 'õ' => 'õ', 'ö' => 'ö', '÷' => '÷', 'ø' => 'ø', 'ù' => 'ù', 'ú' => 'ú', 'û' => 'û', 'ü' => 'ü', 'ý' => 'ý', 'þ' => 'þ', 'ÿ' => 'ÿ', 'Œ' => 'Œ', 'œ' => 'œ', 'Š' => 'Š', 'š' => 'š', 'Ÿ' => 'Ÿ', 'ƒ' => 'ƒ', 'ˆ' => 'ˆ', '˜' => '˜', 'Α' => 'Α', 'Β' => 'Β', 'Γ' => 'Γ', 'Δ' => 'Δ', 'Ε' => 'Ε', 'Ζ' => 'Ζ', 'Η' => 'Η', 'Θ' => 'Θ', 'Ι' => 'Ι', 'Κ' => 'Κ', 'Λ' => 'Λ', 'Μ' => 'Μ', 'Ν' => 'Ν', 'Ξ' => 'Ξ', 'Ο' => 'Ο', 'Π' => 'Π', 'Ρ' => 'Ρ', 'Σ' => 'Σ', 'Τ' => 'Τ', 'Υ' => 'Υ', 'Φ' => 'Φ', 'Χ' => 'Χ', 'Ψ' => 'Ψ', 'Ω' => 'Ω', 'α' => 'α', 'β' => 'β', 'γ' => 'γ', 'δ' => 'δ', 'ε' => 'ε', 'ζ' => 'ζ', 'η' => 'η', 'θ' => 'θ', 'ι' => 'ι', 'κ' => 'κ', 'λ' => 'λ', 'μ' => 'μ', 'ν' => 'ν', 'ξ' => 'ξ', 'ο' => 'ο', 'π' => 'π', 'ρ' => 'ρ', 'ς' => 'ς', 'σ' => 'σ', 'τ' => 'τ', 'υ' => 'υ', 'φ' => 'φ', 'χ' => 'χ', 'ψ' => 'ψ', 'ω' => 'ω', 'ϑ' => 'ϑ', 'ϒ' => 'ϒ', 'ϖ' => 'ϖ', ' ' => ' ', ' ' => ' ', ' ' => ' ', '' => '', '' => '', '' => '', '' => '', '–' => '–', '—' => '—', '‘' => '‘', '’' => '’', '‚' => '‚', '“' => '“', '”' => '”', '„' => '„', '†' => '†', '‡' => '‡', '•' => '•', '…' => '…', '‰' => '‰', '′' => '′', '″' => '″', '‹' => '‹', '›' => '›', '‾' => '‾', '⁄' => '⁄', '€' => '€', 'ℑ' => 'ℑ', '℘' => '℘', 'ℜ' => 'ℜ', '™' => '™', 'ℵ' => 'ℵ', '↵' => '↵', '⇐' => '⇐', '⇑' => '⇑', '⇒' => '⇒', '⇓' => '⇓', '⇔' => '⇔', '∀' => '∀', '∂' => '∂', '∃' => '∃', '∅' => '∅', '∇' => '∇', '∈' => '∈', '∉' => '∉', '∋' => '∋', '∏' => '∏', '∑' => '∑', '−' => '−', '∗' => '∗', '√' => '√', '∝' => '∝', '∞' => '∞', '∠' => '∠', '∧' => '∧', '∨' => '∨', '∩' => '∩', '∪' => '∪', '∫' => '∫', '∴' => '∴', '∼' => '∼', '≅' => '≅', '≈' => '≈', '≠' => '≠', '≡' => '≡', '≤' => '≤', '≥' => '≥', '⊂' => '⊂', '⊃' => '⊃', '⊄' => '⊄', '⊆' => '⊆', '⊇' => '⊇', '⊕' => '⊕', '⊗' => '⊗', '⊥' => '⊥', '⋅' => '⋅', '⌈' => '⌈', '⌉' => '⌉', '⌊' => '⌊', '⌋' => '⌋', '⟨' => '〈', '⟩' => '〉', '←' => '←', '↑' => '↑', '→' => '→', '↓' => '↓', '↔' => '↔', '◊' => '◊', '♠' => '♠', '♣' => '♣', '♥' => '♥', '♦' => '♦' ); return str_replace( array_keys($to_ncr), array_values($to_ncr), $text ); } endif; if ( !function_exists( 'urlencode_deep' ) ) : // Current at [WP9840] /** * 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 WP 2.2.0 * * @param array|string $value The array or string to be encoded. * @return array|string $value The encoded array (or string from the callback). */ function urlencode_deep($value) { $value = is_array($value) ? array_map('urlencode_deep', $value) : urlencode($value); return $value; } endif; if ( !function_exists( 'zeroise' ) ) : // Current at [WP9840] /** * Add leading zeros when necessary. * * If you set the threshold to '4' and the number is '10', then you will get * back '0010'. If you set the number to '4' and the number is '5000', then you * will get back '5000'. * * Uses sprintf to append the amount of zeros based on the $threshold parameter * and the size of the number. If the number is large enough, then no zeros will * be appended. * * @since WP 0.71 * * @param mixed $number Number to append zeros to if not greater than threshold. * @param int $threshold Digit places number needs to be to not have zeros added. * @return string Adds leading zeros to number if needed. */ function zeroise($number, $threshold) { return sprintf('%0'.$threshold.'s', $number); } endif; if ( !function_exists( 'backslashit' ) ) : // Current at [WP9840] /** * Adds backslashes before letters and before a number at the start of a string. * * @since WP 0.71 * * @param string $string Value to which backslashes will be added. * @return string String with backslashes inserted. */ function backslashit($string) { $string = preg_replace('/^([0-9])/', '\\\\\\\\\1', $string); $string = preg_replace('/([a-z])/i', '\\\\\1', $string); return $string; } endif; if ( !function_exists( '_make_url_clickable_cb' ) ): // Current at [WP11307] /** * Callback to convert URI match to HTML A element. * * This function was backported from 2.5.0 to 2.3.2. Regex callback for {@link * make_clickable()}. * * @since 2.3.2 * @access private * * @param array $matches Single Regex Match. * @return string HTML A element with URI address. */ function _make_url_clickable_cb($matches) { $url = $matches[2]; $url = clean_url($url); if ( empty($url) ) return $matches[0]; return $matches[1] . "$url"; } endif; if ( !function_exists( '_make_web_ftp_clickable_cb' ) ): // Current at [WP11307] /** * Callback to convert URL match to HTML A element. * * This function was backported from 2.5.0 to 2.3.2. Regex callback for {@link * make_clickable()}. * * @since 2.3.2 * @access private * * @param array $matches Single Regex Match. * @return string HTML A element with URL address. */ function _make_web_ftp_clickable_cb($matches) { $ret = ''; $dest = $matches[2]; $dest = 'http://' . $dest; $dest = clean_url($dest); if ( empty($dest) ) return $matches[0]; // removed trailing [,;:] from URL if ( in_array(substr($dest, -1), array('.', ',', ';', ':')) === true ) { $ret = substr($dest, -1); $dest = substr($dest, 0, strlen($dest)-1); } return $matches[1] . "$dest" . $ret; } endif; if ( !function_exists( '_make_email_clickable_cb' ) ): // Current at [WP11307] /** * Callback to convert email address match to HTML A element. * * This function was backported from 2.5.0 to 2.3.2. Regex callback for {@link * make_clickable()}. * * @since 2.3.2 * @access private * * @param array $matches Single Regex Match. * @return string HTML A element with email address. */ function _make_email_clickable_cb($matches) { $email = $matches[2] . '@' . $matches[3]; return $matches[1] . "$email"; } endif; if ( !function_exists( 'make_clickable' ) ): // Current at [WP11307] /** * Convert plaintext URI to HTML links. * * Converts URI, www and ftp, and email addresses. Finishes by fixing links * within links. * * @since 0.71 * * @param string $ret Content to convert URIs. * @return string Content with converted URIs. */ function make_clickable($ret) { $ret = ' ' . $ret; // in testing, using arrays here was found to be faster $ret = preg_replace_callback('#(?<=[\s>])(\()?([\w]+?://(?:[\w\\x80-\\xff\#$%&~/\-=?@\[\](+]|[.,;:](?![\s<])|(?(1)\)(?![\s<])|\)))+)#is', '_make_url_clickable_cb', $ret); $ret = preg_replace_callback('#([\s>])((www|ftp)\.[\w\\x80-\\xff\#$%&~/.\-;:=,?@\[\]+]+)#is', '_make_web_ftp_clickable_cb', $ret); $ret = preg_replace_callback('#([\s>])([.0-9a-z_+-]+)@(([0-9a-z-]+\.)+[0-9a-z]{2,})#i', '_make_email_clickable_cb', $ret); // this one is not in an array because we need it to run last, for cleanup of accidental links within links $ret = preg_replace("#(