", $pee ); // no pee inside object/embed
$pee = preg_replace( '|\s*\s*|', '', $pee );
}
$pee = preg_replace( "/\n\n+/", "\n\n", $pee ); // take care of duplicates
// make paragraphs, including one at the end
$pees = preg_split( '/\n\s*\n/', $pee, -1, PREG_SPLIT_NO_EMPTY );
$pee = '';
foreach ( $pees as $tinkle ) {
$pee .= '' . trim( $tinkle, "\n" ) . "
\n";
}
$pee = preg_replace( '|\s*
|', '', $pee ); // under certain strange conditions it could create a P of entirely whitespace
$pee = preg_replace( '!([^<]+)!', "
$1
", $pee );
$pee = preg_replace( '!\s*(]*>)\s*
!', "$1", $pee ); // don't pee all over a tag
$pee = preg_replace( "|(|", "$1", $pee ); // problem with nested lists
$pee = preg_replace( '|]*)>|i', "", $pee );
$pee = str_replace( '
', '
', $pee );
$pee = preg_replace( '!\s*(]*>)!', "$1", $pee );
$pee = preg_replace( '!(]*>)\s*
!', "$1", $pee );
/* wpcf7: take care of [response] and [recaptcha] tag */
$pee = preg_replace( '!\s*(\[(?:response|recaptcha)[^]]*\])!',
"$1", $pee );
$pee = preg_replace( '!(\[(?:response|recaptcha)[^]]*\])\s*
!',
"$1", $pee );
if ( $br ) {
/* wpcf7: add textarea */
$pee = preg_replace_callback( '/<(script|style|textarea).*?<\/\\1>/s', create_function( '$matches', 'return str_replace("\n", "", $matches[0]);' ), $pee );
$pee = preg_replace( '|(?)\s*\n|', "
\n", $pee ); // optionally make line breaks
$pee = str_replace( '', "\n", $pee );
}
$pee = preg_replace( '!(]*>)\s*
!', "$1", $pee );
$pee = preg_replace( '!
(\s*]*>)!', '$1', $pee );
if ( strpos( $pee, ']*>)(.*?)!is', 'clean_pre', $pee );
$pee = preg_replace( "|\n
$|", '', $pee );
return $pee;
}
function wpcf7_sanitize_query_var( $text ) {
$text = wp_unslash( $text );
$text = wp_check_invalid_utf8( $text );
if ( false !== strpos( $text, '<' ) ) {
$text = wp_pre_kses_less_than( $text );
$text = wp_strip_all_tags( $text );
}
$text = preg_replace( '/%[a-f0-9]{2}/i', '', $text );
$text = preg_replace( '/ +/', ' ', $text );
$text = trim( $text, ' ' );
return $text;
}
function wpcf7_strip_quote( $text ) {
$text = trim( $text );
if ( preg_match( '/^"(.*)"$/', $text, $matches ) )
$text = $matches[1];
elseif ( preg_match( "/^'(.*)'$/", $text, $matches ) )
$text = $matches[1];
return $text;
}
function wpcf7_strip_quote_deep( $arr ) {
if ( is_string( $arr ) )
return wpcf7_strip_quote( $arr );
if ( is_array( $arr ) ) {
$result = array();
foreach ( $arr as $key => $text )
$result[$key] = wpcf7_strip_quote_deep( $text );
return $result;
}
}
function wpcf7_normalize_newline( $text, $to = "\n" ) {
if ( ! is_string( $text ) )
return $text;
$nls = array( "\r\n", "\r", "\n" );
if ( ! in_array( $to, $nls ) )
return $text;
return str_replace( $nls, $to, $text );
}
function wpcf7_normalize_newline_deep( $arr, $to = "\n" ) {
if ( is_array( $arr ) ) {
$result = array();
foreach ( $arr as $key => $text )
$result[$key] = wpcf7_normalize_newline_deep( $text, $to );
return $result;
}
return wpcf7_normalize_newline( $arr, $to );
}
function wpcf7_strip_newline( $str ) {
$str = (string) $str;
$str = str_replace( array( "\r", "\n" ), '', $str );
return trim( $str );
}
function wpcf7_canonicalize( $text ) {
if ( function_exists( 'mb_convert_kana' )
&& 'UTF-8' == get_option( 'blog_charset' ) ) {
$text = mb_convert_kana( $text, 'asKV', 'UTF-8' );
}
$text = strtolower( $text );
$text = trim( $text );
return $text;
}
/**
* Check whether a string is a valid NAME token.
*
* ID and NAME tokens must begin with a letter ([A-Za-z])
* and may be followed by any number of letters, digits ([0-9]),
* hyphens ("-"), underscores ("_"), colons (":"), and periods (".").
*
* @see http://www.w3.org/TR/html401/types.html#h-6.2
*
* @return bool True if it is a valid name, false if not.
*/
function wpcf7_is_name( $string ) {
return preg_match( '/^[A-Za-z][-A-Za-z0-9_:.]*$/', $string );
}
function wpcf7_sanitize_unit_tag( $tag ) {
$tag = preg_replace( '/[^A-Za-z0-9_-]/', '', $tag );
return $tag;
}
function wpcf7_is_email( $email ) {
$result = is_email( $email );
return apply_filters( 'wpcf7_is_email', $result, $email );
}
function wpcf7_is_url( $url ) {
$result = ( false !== filter_var( $url, FILTER_VALIDATE_URL ) );
return apply_filters( 'wpcf7_is_url', $result, $url );
}
function wpcf7_is_tel( $tel ) {
$result = preg_match( '%^[+]?[0-9()/ -]*$%', $tel );
return apply_filters( 'wpcf7_is_tel', $result, $tel );
}
function wpcf7_is_number( $number ) {
$result = is_numeric( $number );
return apply_filters( 'wpcf7_is_number', $result, $number );
}
function wpcf7_is_date( $date ) {
$result = preg_match( '/^([0-9]{4,})-([0-9]{2})-([0-9]{2})$/', $date, $matches );
if ( $result )
$result = checkdate( $matches[2], $matches[3], $matches[1] );
return apply_filters( 'wpcf7_is_date', $result, $date );
}
function wpcf7_is_mailbox_list( $mailbox_list ) {
if ( ! is_array( $mailbox_list ) ) {
$mailbox_list = explode( ',', (string) $mailbox_list );
}
$addresses = array();
foreach ( $mailbox_list as $mailbox ) {
if ( ! is_string( $mailbox ) ) {
return false;
}
$mailbox = trim( $mailbox );
if ( preg_match( '/<(.+)>$/', $mailbox, $matches ) ) {
$addr_spec = $matches[1];
} else {
$addr_spec = $mailbox;
}
if ( ! wpcf7_is_email( $addr_spec ) ) {
return false;
}
$addresses[] = $addr_spec;
}
return $addresses;
}
function wpcf7_is_email_in_domain( $email, $domain ) {
$email_list = wpcf7_is_mailbox_list( $email );
$domain = strtolower( $domain );
foreach ( $email_list as $email ) {
$email_domain = substr( $email, strrpos( $email, '@' ) + 1 );
$email_domain = strtolower( $email_domain );
$domain_parts = explode( '.', $domain );
do {
$site_domain = implode( '.', $domain_parts );
if ( $site_domain == $email_domain ) {
continue 2;
}
array_shift( $domain_parts );
} while ( $domain_parts );
return false;
}
return true;
}
function wpcf7_is_email_in_site_domain( $email ) {
if ( wpcf7_is_localhost() ) {
return true;
}
$site_domain = strtolower( $_SERVER['SERVER_NAME'] );
if ( preg_match( '/^[0-9.]+$/', $site_domain ) ) { // 123.456.789.012
return true;
}
if ( wpcf7_is_email_in_domain( $email, $site_domain ) ) {
return true;
}
$home_url = home_url();
// for interoperability with WordPress MU Domain Mapping plugin
if ( is_multisite() && function_exists( 'domain_mapping_siteurl' ) ) {
$domain_mapping_siteurl = domain_mapping_siteurl( false );
if ( $domain_mapping_siteurl ) {
$home_url = $domain_mapping_siteurl;
}
}
if ( preg_match( '%^https?://([^/]+)%', $home_url, $matches ) ) {
$site_domain = strtolower( $matches[1] );
if ( $site_domain != strtolower( $_SERVER['SERVER_NAME'] )
&& wpcf7_is_email_in_domain( $email, $site_domain ) ) {
return true;
}
}
return false;
}
function wpcf7_antiscript_file_name( $filename ) {
$filename = basename( $filename );
$parts = explode( '.', $filename );
if ( count( $parts ) < 2 )
return $filename;
$script_pattern = '/^(php|phtml|pl|py|rb|cgi|asp|aspx)\d?$/i';
$filename = array_shift( $parts );
$extension = array_pop( $parts );
foreach ( (array) $parts as $part ) {
if ( preg_match( $script_pattern, $part ) )
$filename .= '.' . $part . '_';
else
$filename .= '.' . $part;
}
if ( preg_match( $script_pattern, $extension ) )
$filename .= '.' . $extension . '_.txt';
else
$filename .= '.' . $extension;
return $filename;
}
function wpcf7_mask_password( $text, $length_unmasked = 0 ) {
$length = strlen( $text );
$length_unmasked = absint( $length_unmasked );
if ( 0 == $length_unmasked ) {
if ( 9 < $length ) {
$length_unmasked = 4;
} elseif ( 3 < $length ) {
$length_unmasked = 2;
} else {
$length_unmasked = $length;
}
}
$text = substr( $text, 0 - $length_unmasked );
$text = str_pad( $text, $length, '*', STR_PAD_LEFT );
return $text;
}