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<?php
function wpcf7_plugin_path( $path = '' ) {
return path_join( WPCF7_PLUGIN_DIR, trim( $path, '/' ) );
}
function wpcf7_plugin_url( $path = '' ) {
$url = plugins_url( $path, WPCF7_PLUGIN );
if ( is_ssl()
and 'http:' == substr( $url, 0, 5 ) ) {
$url = 'https:' . substr( $url, 5 );
}
return $url;
}
function wpcf7_upload_dir( $type = false ) {
$uploads = wp_get_upload_dir();
$uploads = apply_filters( 'wpcf7_upload_dir', array(
'dir' => $uploads['basedir'],
'url' => $uploads['baseurl'],
) );
if ( 'dir' == $type ) {
return $uploads['dir'];
} if ( 'url' == $type ) {
return $uploads['url'];
}
return $uploads;
}
function wpcf7_verify_nonce( $nonce, $action = 'wp_rest' ) {
return wp_verify_nonce( $nonce, $action );
}
function wpcf7_create_nonce( $action = 'wp_rest' ) {
return wp_create_nonce( $action );
}
function wpcf7_blacklist_check( $target ) {
$mod_keys = trim( get_option( 'blacklist_keys' ) );
if ( empty( $mod_keys ) ) {
return false;
}
$words = explode( "\n", $mod_keys );
foreach ( (array) $words as $word ) {
$word = trim( $word );
if ( empty( $word )
or 256 < strlen( $word ) ) {
continue;
}
$pattern = sprintf( '#%s#i', preg_quote( $word, '#' ) );
if ( preg_match( $pattern, $target ) ) {
return true;
}
}
return false;
}
function wpcf7_array_flatten( $input ) {
if ( ! is_array( $input ) ) {
return array( $input );
}
$output = array();
foreach ( $input as $value ) {
$output = array_merge( $output, wpcf7_array_flatten( $value ) );
}
return $output;
}
function wpcf7_flat_join( $input ) {
$input = wpcf7_array_flatten( $input );
$output = array();
foreach ( (array) $input as $value ) {
$output[] = trim( (string) $value );
}
return implode( ', ', $output );
}
function wpcf7_support_html5() {
return (bool) apply_filters( 'wpcf7_support_html5', true );
}
function wpcf7_support_html5_fallback() {
return (bool) apply_filters( 'wpcf7_support_html5_fallback', false );
}
function wpcf7_use_really_simple_captcha() {
return apply_filters( 'wpcf7_use_really_simple_captcha',
WPCF7_USE_REALLY_SIMPLE_CAPTCHA );
}
function wpcf7_validate_configuration() {
return apply_filters( 'wpcf7_validate_configuration',
WPCF7_VALIDATE_CONFIGURATION );
}
function wpcf7_autop_or_not() {
return (bool) apply_filters( 'wpcf7_autop_or_not', WPCF7_AUTOP );
}
function wpcf7_load_js() {
return apply_filters( 'wpcf7_load_js', WPCF7_LOAD_JS );
}
function wpcf7_load_css() {
return apply_filters( 'wpcf7_load_css', WPCF7_LOAD_CSS );
}
function wpcf7_format_atts( $atts ) {
$html = '';
$prioritized_atts = array( 'type', 'name', 'value' );
foreach ( $prioritized_atts as $att ) {
if ( isset( $atts[$att] ) ) {
$value = trim( $atts[$att] );
$html .= sprintf( ' %s="%s"', $att, esc_attr( $value ) );
unset( $atts[$att] );
}
}
foreach ( $atts as $key => $value ) {
$key = strtolower( trim( $key ) );
if ( ! preg_match( '/^[a-z_:][a-z_:.0-9-]*$/', $key ) ) {
continue;
}
$value = trim( $value );
if ( '' !== $value ) {
$html .= sprintf( ' %s="%s"', $key, esc_attr( $value ) );
}
}
$html = trim( $html );
return $html;
}
function wpcf7_link( $url, $anchor_text, $args = '' ) {
$defaults = array(
'id' => '',
'class' => '',
);
$args = wp_parse_args( $args, $defaults );
$args = array_intersect_key( $args, $defaults );
$atts = wpcf7_format_atts( $args );
$link = sprintf( '<a href="%1$s"%3$s>%2$s</a>',
esc_url( $url ),
esc_html( $anchor_text ),
$atts ? ( ' ' . $atts ) : '' );
return $link;
}
function wpcf7_get_request_uri() {
static $request_uri = '';
if ( empty( $request_uri ) ) {
$request_uri = add_query_arg( array() );
}
return esc_url_raw( $request_uri );
}
function wpcf7_register_post_types() {
if ( class_exists( 'WPCF7_ContactForm' ) ) {
WPCF7_ContactForm::register_post_type();
return true;
} else {
return false;
}
}
function wpcf7_version( $args = '' ) {
$defaults = array(
'limit' => -1,
'only_major' => false,
);
$args = wp_parse_args( $args, $defaults );
if ( $args['only_major'] ) {
$args['limit'] = 2;
}
$args['limit'] = (int) $args['limit'];
$ver = WPCF7_VERSION;
$ver = strtr( $ver, '_-+', '...' );
$ver = preg_replace( '/[^0-9.]+/', ".$0.", $ver );
$ver = preg_replace( '/[.]+/', ".", $ver );
$ver = trim( $ver, '.' );
$ver = explode( '.', $ver );
if ( -1 < $args['limit'] ) {
$ver = array_slice( $ver, 0, $args['limit'] );
}
$ver = implode( '.', $ver );
return $ver;
}
function wpcf7_version_grep( $version, array $input ) {
$pattern = '/^' . preg_quote( (string) $version, '/' ) . '(?:\.|$)/';
return preg_grep( $pattern, $input );
}
function wpcf7_enctype_value( $enctype ) {
$enctype = trim( $enctype );
if ( empty( $enctype ) ) {
return '';
}
$valid_enctypes = array(
'application/x-www-form-urlencoded',
'multipart/form-data',
'text/plain',
);
if ( in_array( $enctype, $valid_enctypes ) ) {
return $enctype;
}
$pattern = '%^enctype="(' . implode( '|', $valid_enctypes ) . ')"$%';
if ( preg_match( $pattern, $enctype, $matches ) ) {
return $matches[1]; // for back-compat
}
return '';
}
function wpcf7_rmdir_p( $dir ) {
if ( is_file( $dir ) ) {
$file = $dir;
if ( @unlink( $file ) ) {
return true;
}
$stat = stat( $file );
if ( @chmod( $file, $stat['mode'] | 0200 ) ) { // add write for owner
if ( @unlink( $file ) ) {
return true;
}
@chmod( $file, $stat['mode'] );
}
return false;
}
if ( ! is_dir( $dir ) ) {
return false;
}
if ( $handle = opendir( $dir ) ) {
while ( false !== ( $file = readdir( $handle ) ) ) {
if ( $file == "."
or $file == ".." ) {
continue;
}
wpcf7_rmdir_p( path_join( $dir, $file ) );
}
closedir( $handle );
}
if ( false !== ( $files = scandir( $dir ) )
and ! array_diff( $files, array( '.', '..' ) ) ) {
return rmdir( $dir );
}
return false;
}
/* From _http_build_query in wp-includes/functions.php */
function wpcf7_build_query( $args, $key = '' ) {
$sep = '&';
$ret = array();
foreach ( (array) $args as $k => $v ) {
$k = urlencode( $k );
if ( ! empty( $key ) ) {
$k = $key . '%5B' . $k . '%5D';
}
if ( null === $v ) {
continue;
} elseif ( false === $v ) {
$v = '0';
}
if ( is_array( $v ) or is_object( $v ) ) {
array_push( $ret, wpcf7_build_query( $v, $k ) );
} else {
array_push( $ret, $k . '=' . urlencode( $v ) );
}
}
return implode( $sep, $ret );
}
/**
* Returns the number of code units in a string.
*
* @see http://www.w3.org/TR/html5/infrastructure.html#code-unit-length
*
* @return int|bool The number of code units, or false if mb_convert_encoding is not available.
*/
function wpcf7_count_code_units( $string ) {
static $use_mb = null;
if ( is_null( $use_mb ) ) {
$use_mb = function_exists( 'mb_convert_encoding' );
}
if ( ! $use_mb ) {
return false;
}
$string = (string) $string;
$string = str_replace( "\r\n", "\n", $string );
$encoding = mb_detect_encoding( $string, mb_detect_order(), true );
if ( $encoding ) {
$string = mb_convert_encoding( $string, 'UTF-16', $encoding );
} else {
$string = mb_convert_encoding( $string, 'UTF-16', 'UTF-8' );
}
$byte_count = mb_strlen( $string, '8bit' );
return floor( $byte_count / 2 );
}
function wpcf7_is_localhost() {
$server_name = strtolower( $_SERVER['SERVER_NAME'] );
return in_array( $server_name, array( 'localhost', '127.0.0.1' ) );
}
function wpcf7_deprecated_function( $function, $version, $replacement ) {
$trigger_error = apply_filters( 'deprecated_function_trigger_error', true );
if ( WP_DEBUG and $trigger_error ) {
if ( function_exists( '__' ) ) {
trigger_error( sprintf( __( '%1$s is <strong>deprecated</strong> since Contact Form 7 version %2$s! Use %3$s instead.', 'contact-form-7' ), $function, $version, $replacement ) );
} else {
trigger_error( sprintf( '%1$s is <strong>deprecated</strong> since Contact Form 7 version %2$s! Use %3$s instead.', $function, $version, $replacement ) );
}
}
}
function wpcf7_log_remote_request( $url, $request, $response ) {
$log = sprintf(
/* translators: 1: response code, 2: response message, 3: URL */
__( 'HTTP Response: %1$s %2$s from %3$s', 'contact-form-7' ),
(int) wp_remote_retrieve_response_code( $response ),
wp_remote_retrieve_response_message( $response ),
$url
);
$log = apply_filters( 'wpcf7_log_remote_request',
$log, $url, $request, $response
);
if ( $log ) {
trigger_error( $log );
}
}
function wpcf7_anonymize_ip_addr( $ip_addr ) {
if ( ! function_exists( 'inet_ntop' )
or ! function_exists( 'inet_pton' ) ) {
return $ip_addr;
}
$packed = inet_pton( $ip_addr );
if ( false === $packed ) {
return $ip_addr;
}
if ( 4 == strlen( $packed ) ) { // IPv4
$mask = '255.255.255.0';
} elseif ( 16 == strlen( $packed ) ) { // IPv6
$mask = 'ffff:ffff:ffff:0000:0000:0000:0000:0000';
} else {
return $ip_addr;
}
return inet_ntop( $packed & inet_pton( $mask ) );
}
function wpcf7_is_file_path_in_content_dir( $path ) {
if ( 0 === strpos( realpath( $path ), realpath( WP_CONTENT_DIR ) ) ) {
return true;
}
if ( defined( 'UPLOADS' )
and 0 === strpos( realpath( $path ), realpath( ABSPATH . UPLOADS ) ) ) {
return true;
}
return false;
}