533 lines
11 KiB
PHP
533 lines
11 KiB
PHP
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<?php
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/**
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* acf_filter_attrs
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*
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* Filters out empty attrs from the provided array.
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*
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* @date 11/6/19
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* @since 5.8.1
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*
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* @param array $attrs The array of attrs.
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* @return array
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*/
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function acf_filter_attrs( $attrs ) {
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// Filter out empty attrs but allow "0" values.
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$filtered = array_filter( $attrs, 'acf_not_empty' );
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// Correct specific attributes (required="required").
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foreach ( array( 'required', 'readonly', 'disabled', 'multiple' ) as $key ) {
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unset( $filtered[ $key ] );
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if ( ! empty( $attrs[ $key ] ) ) {
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$filtered[ $key ] = $key;
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}
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}
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return $filtered;
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}
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/**
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* acf_esc_attrs
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*
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* Generated valid HTML from an array of attrs.
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*
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* @date 11/6/19
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* @since 5.8.1
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*
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* @param array $attrs The array of attrs.
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* @return string
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*/
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function acf_esc_attrs( $attrs ) {
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$html = '';
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// Loop over attrs and validate data types.
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foreach ( $attrs as $k => $v ) {
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// String (but don't trim value).
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if ( is_string( $v ) && ( $k !== 'value' ) ) {
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$v = trim( $v );
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// Boolean
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} elseif ( is_bool( $v ) ) {
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$v = $v ? 1 : 0;
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// Object
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} elseif ( is_array( $v ) || is_object( $v ) ) {
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$v = json_encode( $v );
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}
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// Generate HTML.
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$html .= sprintf( ' %s="%s"', esc_attr( $k ), esc_attr( $v ) );
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}
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// Return trimmed.
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return trim( $html );
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}
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/**
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* Sanitizes text content and strips out disallowed HTML.
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*
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* This function emulates `wp_kses_post()` with a context of "acf" for extensibility.
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*
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* @date 16/4/21
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* @since 5.9.6
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*
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* @param string $string
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* @return string
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*/
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function acf_esc_html( $string = '' ) {
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return wp_kses( (string) $string, 'acf' );
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}
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/**
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* Private callback for the "wp_kses_allowed_html" filter used to return allowed HTML for "acf" context.
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*
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* @date 16/4/21
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* @since 5.9.6
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*
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* @param array $tags An array of allowed tags.
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* @param string $context The context name.
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* @return array.
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*/
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function _acf_kses_allowed_html( $tags, $context ) {
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global $allowedposttags;
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if ( $context === 'acf' ) {
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return $allowedposttags;
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}
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return $tags;
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}
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add_filter( 'wp_kses_allowed_html', '_acf_kses_allowed_html', 0, 2 );
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/**
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* acf_html_input
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*
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* Returns the HTML of an input.
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*
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* @date 13/6/19
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* @since 5.8.1
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*
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* @param array $attrs The array of attrs.
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* @return string
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*/
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// function acf_html_input( $attrs = array() ) {
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// return sprintf( '<input %s/>', acf_esc_attrs($attrs) );
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// }
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/**
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* acf_hidden_input
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*
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* Renders the HTML of a hidden input.
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*
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* @date 3/02/2014
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* @since 5.0.0
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*
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* @param array $attrs The array of attrs.
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* @return string
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*/
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function acf_hidden_input( $attrs = array() ) {
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echo acf_get_hidden_input( $attrs );
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}
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/**
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* acf_get_hidden_input
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*
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* Returns the HTML of a hidden input.
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*
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* @date 3/02/2014
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* @since 5.0.0
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*
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* @param array $attrs The array of attrs.
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* @return string
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*/
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function acf_get_hidden_input( $attrs = array() ) {
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return sprintf( '<input type="hidden" %s/>', acf_esc_attrs( $attrs ) );
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}
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/**
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* acf_text_input
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*
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* Renders the HTML of a text input.
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*
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* @date 3/02/2014
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* @since 5.0.0
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*
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* @param array $attrs The array of attrs.
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* @return string
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*/
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function acf_text_input( $attrs = array() ) {
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echo acf_get_text_input( $attrs );
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}
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/**
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* acf_get_text_input
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*
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* Returns the HTML of a text input.
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*
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* @date 3/02/2014
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* @since 5.0.0
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*
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* @param array $attrs The array of attrs.
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* @return string
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*/
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function acf_get_text_input( $attrs = array() ) {
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$attrs = wp_parse_args(
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$attrs,
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array(
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'type' => 'text',
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)
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);
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if ( isset( $attrs['value'] ) && is_string( $attrs['value'] ) ) {
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$attrs['value'] = htmlspecialchars( $attrs['value'] );
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}
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return sprintf( '<input %s/>', acf_esc_attrs( $attrs ) );
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}
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/**
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* acf_file_input
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*
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* Renders the HTML of a file input.
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*
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* @date 3/02/2014
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* @since 5.0.0
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*
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* @param array $attrs The array of attrs.
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* @return string
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*/
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function acf_file_input( $attrs = array() ) {
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echo acf_get_file_input( $attrs );
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}
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/**
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* acf_get_file_input
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*
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* Returns the HTML of a file input.
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*
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* @date 3/02/2014
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* @since 5.0.0
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*
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* @param array $attrs The array of attrs.
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* @return string
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*/
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function acf_get_file_input( $attrs = array() ) {
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$field_key = isset( $attrs['key'] ) && is_string( $attrs['key'] ) ? $attrs['key'] : '';
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$nonce_field = '';
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/**
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* If we don't have a field key (most likely because this was called by a third-party field),
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* we have to try to guess the field key based on the field name.
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*/
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if ( '' === $field_key ) {
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$parts = explode( '[', $attrs['name'] );
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if ( is_array( $parts ) && ! empty( $parts[1] ) ) {
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// Remove the trailing `]`.
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$field_key = substr( end( $parts ), 0, -1 );
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}
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}
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/**
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* We only output the nonce if we have a field key, as it's possible to render
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* the file input without a real field. But, basic uploaders that don't have any
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* custom logic will likely fail to upload anyway if they don't have a field key.
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*/
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if ( '' !== $field_key ) {
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$nonce_attrs = array(
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'name' => 'acf[' . $field_key . '_file_nonce]',
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'value' => wp_create_nonce( 'acf/file_uploader_nonce/' . $field_key ),
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);
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$nonce_field = sprintf(
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'<input type="hidden" %s />',
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acf_esc_attrs( $nonce_attrs )
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);
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}
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return sprintf(
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'<input type="file" %1$s />%2$s',
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acf_esc_attrs( $attrs ),
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$nonce_field
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);
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}
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/**
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* acf_textarea_input
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*
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* Renders the HTML of a textarea input.
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*
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* @date 3/02/2014
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* @since 5.0.0
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*
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* @param array $attrs The array of attrs.
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* @return string
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*/
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function acf_textarea_input( $attrs = array() ) {
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echo acf_get_textarea_input( $attrs );
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}
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/**
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* acf_get_textarea_input
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*
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* Returns the HTML of a textarea input.
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*
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* @date 3/02/2014
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* @since 5.0.0
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*
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* @param array $attrs The array of attrs.
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* @return string
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*/
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function acf_get_textarea_input( $attrs = array() ) {
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$value = '';
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if ( isset( $attrs['value'] ) ) {
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$value = $attrs['value'];
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unset( $attrs['value'] );
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}
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return sprintf( '<textarea %s>%s</textarea>', acf_esc_attrs( $attrs ), esc_textarea( $value ) );
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}
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/**
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* acf_checkbox_input
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*
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* Renders the HTML of a checkbox input.
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*
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* @date 3/02/2014
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* @since 5.0.0
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*
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* @param array $attrs The array of attrs.
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* @return string
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*/
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function acf_checkbox_input( $attrs = array() ) {
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echo acf_get_checkbox_input( $attrs );
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}
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/**
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* acf_get_checkbox_input
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*
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* Returns the HTML of a checkbox input.
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*
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* @date 3/02/2014
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* @since 5.0.0
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*
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* @param array $attrs The array of attrs.
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* @return string
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*/
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function acf_get_checkbox_input( $attrs = array() ) {
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// Allow radio or checkbox type.
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$attrs = wp_parse_args(
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$attrs,
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array(
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'type' => 'checkbox',
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)
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);
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// Get label.
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$label = '';
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if ( isset( $attrs['label'] ) ) {
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$label = $attrs['label'];
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unset( $attrs['label'] );
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}
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// Render.
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$checked = isset( $attrs['checked'] );
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return '<label' . ( $checked ? ' class="selected"' : '' ) . '><input ' . acf_esc_attr( $attrs ) . '/> ' . acf_esc_html( $label ) . '</label>';
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}
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/**
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* acf_radio_input
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*
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* Renders the HTML of a radio input.
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*
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* @date 3/02/2014
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* @since 5.0.0
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*
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* @param array $attrs The array of attrs.
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* @return string
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*/
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function acf_radio_input( $attrs = array() ) {
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echo acf_get_radio_input( $attrs );
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}
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/**
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* acf_get_radio_input
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*
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* Returns the HTML of a radio input.
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*
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* @date 3/02/2014
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* @since 5.0.0
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*
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* @param array $attrs The array of attrs.
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* @return string
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*/
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function acf_get_radio_input( $attrs = array() ) {
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$attrs['type'] = 'radio';
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return acf_get_checkbox_input( $attrs );
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}
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/**
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* acf_select_input
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*
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* Renders the HTML of a select input.
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*
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* @date 3/02/2014
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* @since 5.0.0
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*
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* @param array $attrs The array of attrs.
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* @return string
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*/
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function acf_select_input( $attrs = array() ) {
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echo acf_get_select_input( $attrs );
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}
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/**
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* acf_select_input
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*
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* Returns the HTML of a select input.
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*
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* @date 3/02/2014
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* @since 5.0.0
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*
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* @param array $attrs The array of attrs.
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* @return string
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*/
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function acf_get_select_input( $attrs = array() ) {
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$value = (array) acf_extract_var( $attrs, 'value' );
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$choices = (array) acf_extract_var( $attrs, 'choices' );
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return sprintf(
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'<select %s>%s</select>',
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acf_esc_attrs( $attrs ),
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acf_walk_select_input( $choices, $value )
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);
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}
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||
|
|
|
||
|
|
/**
|
||
|
|
* acf_walk_select_input
|
||
|
|
*
|
||
|
|
* Returns the HTML of a select input's choices.
|
||
|
|
*
|
||
|
|
* @date 27/6/17
|
||
|
|
* @since 5.6.0
|
||
|
|
*
|
||
|
|
* @param array $choices The choices to walk through.
|
||
|
|
* @param array $values The selected choices.
|
||
|
|
* @param array $depth The current walk depth.
|
||
|
|
* @return string
|
||
|
|
*/
|
||
|
|
function acf_walk_select_input( $choices = array(), $values = array(), $depth = 0 ) {
|
||
|
|
$html = '';
|
||
|
|
|
||
|
|
// Sanitize values for 'selected' matching (only once).
|
||
|
|
if ( $depth == 0 ) {
|
||
|
|
$values = array_map( 'esc_attr', $values );
|
||
|
|
}
|
||
|
|
|
||
|
|
// Loop over choices and append to html.
|
||
|
|
if ( $choices ) {
|
||
|
|
foreach ( $choices as $value => $label ) {
|
||
|
|
|
||
|
|
// Multiple (optgroup)
|
||
|
|
if ( is_array( $label ) ) {
|
||
|
|
$html .= sprintf(
|
||
|
|
'<optgroup label="%s">%s</optgroup>',
|
||
|
|
esc_attr( $value ),
|
||
|
|
acf_walk_select_input( $label, $values, $depth + 1 )
|
||
|
|
);
|
||
|
|
|
||
|
|
// single (option)
|
||
|
|
} else {
|
||
|
|
$attrs = array(
|
||
|
|
'value' => $value,
|
||
|
|
);
|
||
|
|
|
||
|
|
// If is selected.
|
||
|
|
$pos = array_search( esc_attr( $value ), $values );
|
||
|
|
if ( $pos !== false ) {
|
||
|
|
$attrs['selected'] = 'selected';
|
||
|
|
$attrs['data-i'] = $pos;
|
||
|
|
}
|
||
|
|
$html .= sprintf( '<option %s>%s</option>', acf_esc_attr( $attrs ), esc_html( $label ) );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return $html;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* acf_clean_atts
|
||
|
|
*
|
||
|
|
* See acf_filter_attrs().
|
||
|
|
*
|
||
|
|
* @date 3/10/17
|
||
|
|
* @since 5.6.3
|
||
|
|
*
|
||
|
|
* @param array $attrs The array of attrs.
|
||
|
|
* @return string
|
||
|
|
*/
|
||
|
|
function acf_clean_atts( $attrs ) {
|
||
|
|
return acf_filter_attrs( $attrs );
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* acf_esc_atts
|
||
|
|
*
|
||
|
|
* See acf_esc_attrs().
|
||
|
|
*
|
||
|
|
* @date 27/6/17
|
||
|
|
* @since 5.6.0
|
||
|
|
*
|
||
|
|
* @param array $attrs The array of attrs.
|
||
|
|
* @return string
|
||
|
|
*/
|
||
|
|
function acf_esc_atts( $attrs ) {
|
||
|
|
return acf_esc_attrs( $attrs );
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* acf_esc_attr
|
||
|
|
*
|
||
|
|
* See acf_esc_attrs().
|
||
|
|
*
|
||
|
|
* @date 13/6/19
|
||
|
|
* @since 5.8.1
|
||
|
|
* @deprecated 5.6.0
|
||
|
|
*
|
||
|
|
* @param array $attrs The array of attrs.
|
||
|
|
* @return string
|
||
|
|
*/
|
||
|
|
function acf_esc_attr( $attrs ) {
|
||
|
|
return acf_esc_attrs( $attrs );
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* acf_esc_attr_e
|
||
|
|
*
|
||
|
|
* See acf_esc_attrs().
|
||
|
|
*
|
||
|
|
* @date 13/6/19
|
||
|
|
* @since 5.8.1
|
||
|
|
* @deprecated 5.6.0
|
||
|
|
*
|
||
|
|
* @param array $attrs The array of attrs.
|
||
|
|
* @return string
|
||
|
|
*/
|
||
|
|
function acf_esc_attr_e( $attrs ) {
|
||
|
|
echo acf_esc_attrs( $attrs );
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* acf_esc_atts_e
|
||
|
|
*
|
||
|
|
* See acf_esc_attrs().
|
||
|
|
*
|
||
|
|
* @date 13/6/19
|
||
|
|
* @since 5.8.1
|
||
|
|
* @deprecated 5.6.0
|
||
|
|
*
|
||
|
|
* @param array $attrs The array of attrs.
|
||
|
|
* @return string
|
||
|
|
*/
|
||
|
|
function acf_esc_atts_e( $attrs ) {
|
||
|
|
echo acf_esc_attrs( $attrs );
|
||
|
|
}
|