true,
'file-uploading' => true,
)
);
}
function wpcf7_file_form_tag_handler( $tag ) {
if ( empty( $tag->name ) ) {
return '';
}
$validation_error = wpcf7_get_validation_error( $tag->name );
$class = wpcf7_form_controls_class( $tag->type );
if ( $validation_error ) {
$class .= ' wpcf7-not-valid';
}
$atts = array();
$atts['size'] = $tag->get_size_option( '40' );
$atts['class'] = $tag->get_class_option( $class );
$atts['id'] = $tag->get_id_option();
$atts['tabindex'] = $tag->get_option( 'tabindex', 'signed_int', true );
$atts['accept'] = wpcf7_acceptable_filetypes(
$tag->get_option( 'filetypes' ), 'attr' );
if ( $tag->is_required() ) {
$atts['aria-required'] = 'true';
}
if ( $validation_error ) {
$atts['aria-invalid'] = 'true';
$atts['aria-describedby'] = wpcf7_get_validation_error_reference(
$tag->name
);
} else {
$atts['aria-invalid'] = 'false';
}
$atts['type'] = 'file';
$atts['name'] = $tag->name;
$atts = wpcf7_format_atts( $atts );
$html = sprintf(
'%3$s',
sanitize_html_class( $tag->name ), $atts, $validation_error
);
return $html;
}
/* Validation + upload handling filter */
add_filter( 'wpcf7_validate_file', 'wpcf7_file_validation_filter', 10, 3 );
add_filter( 'wpcf7_validate_file*', 'wpcf7_file_validation_filter', 10, 3 );
function wpcf7_file_validation_filter( $result, $tag, $args ) {
$args = wp_parse_args( $args, array() );
if ( isset( $args['uploaded_files'] ) ) {
$maybe_error = $args['uploaded_files'];
if ( is_wp_error( $maybe_error ) ) {
$result->invalidate( $tag, $maybe_error->get_error_message() );
}
}
return $result;
}
add_filter( 'wpcf7_mail_tag_replaced_file', 'wpcf7_file_mail_tag', 10, 4 );
add_filter( 'wpcf7_mail_tag_replaced_file*', 'wpcf7_file_mail_tag', 10, 4 );
function wpcf7_file_mail_tag( $replaced, $submitted, $html, $mail_tag ) {
$submission = WPCF7_Submission::get_instance();
$uploaded_files = $submission->uploaded_files();
$name = $mail_tag->field_name();
if ( ! empty( $uploaded_files[$name] ) ) {
$paths = (array) $uploaded_files[$name];
$paths = array_map( 'wp_basename', $paths );
$replaced = wpcf7_flat_join( $paths );
}
return $replaced;
}
/* Tag generator */
add_action( 'wpcf7_admin_init', 'wpcf7_add_tag_generator_file', 50, 0 );
function wpcf7_add_tag_generator_file() {
$tag_generator = WPCF7_TagGenerator::get_instance();
$tag_generator->add( 'file', __( 'file', 'contact-form-7' ),
'wpcf7_tag_generator_file' );
}
function wpcf7_tag_generator_file( $contact_form, $args = '' ) {
$args = wp_parse_args( $args, array() );
$type = 'file';
$description = __( "Generate a form-tag for a file uploading field. For more details, see %s.", 'contact-form-7' );
$desc_link = wpcf7_link( __( 'https://contactform7.com/file-uploading-and-attachment/', 'contact-form-7' ), __( 'File uploading and attachment', 'contact-form-7' ) );
?>