File: /home/f/r/e/frenchy/www/_trash/wp-content/plugins/advanced-forms/api/api-helpers.php
<?php
/**
* Searches input for tags {field:FIELD_NAME} and replaces with field values.
* Also replaces general tags such as {all_fields}.
*
* @since 1.0.1
*
*/
function af_resolve_merge_tags( $input, $fields = false ) {
// Get fields from the global submission object if fields weren't passed
if ( ! $fields && af_has_submission() ) {
$fields = AF()->submission['fields'];
}
// Find all merge tags
if ( preg_match_all( "/{(.*?)}/", $input, $matches ) ) {
foreach ( $matches[1] as $i=>$tag ) {
// Resolve each merge tag and insert the value
$value = apply_filters( 'af/merge_tags/resolve', '', $tag, $fields );
$input = str_replace( $matches[0][ $i ], $value, $input );
}
}
return $input;
}
/**
* Renders a single field include (for emails, success messages etc.)
*
* @since 1.2.0
*
*/
function _af_render_field_include( $field, $value = false ) {
if ( ! $value ) {
$value = $field['value'];
}
$output = '';
if ( 'repeater' == $field['type'] && is_array( $value ) ) {
$output .= '<table class="af-field-include af-field-include-repeater">';
// Column headings
$output .= '<thead><tr>';
foreach ( $field['sub_fields'] as $sub_field ) {
$output .= sprintf( '<th>%s</th>', $sub_field['label'] );
}
$output .= '</tr></thead>';
// Rows
$output .= '<tbody>';
if ( is_array( $value ) ) {
foreach ( $value as $row_values ) {
$output .= '<tr>';
foreach ( $field['sub_fields'] as $sub_field ) {
$output .= sprintf( '<td>%s</td>', _af_render_field_include( $sub_field, $row_values[ $sub_field['name'] ] ) );
}
$output .= '</tr>';
}
}
$output .= '</tbody>';
$output .= '</table>';
} elseif ( 'clone' == $field['type'] || 'group' == $field['type'] ) {
$output .= sprintf( '<table class="af-field-include af-field-include-%s">', $field['type'] );
foreach ( $field['sub_fields'] as $sub_field ) {
if ( isset( $value[ $sub_field['name'] ] ) ) {
$output .= sprintf( '<tr><th>%s</th></tr>', $sub_field['label'] );
$output .= sprintf( '<tr><td>%s</td></tr>', _af_render_field_include( $sub_field, $value[ $sub_field['name'] ] ) );
}
}
$output .= '</table>';
} elseif ( 'true_false' == $field['type'] ) {
$true_text = isset( $field['ui_on_text'] ) && ! empty( $field['ui_on_text'] ) ? $field['ui_on_text'] : __( 'Yes', 'advanced-forms' );
$false_text = isset( $field['ui_off_text'] ) && ! empty( $field['ui_off_text'] ) ? $field['ui_off_text'] : __( 'No', 'advanced-forms' );
$output = $value ? $true_text : $false_text;
} elseif ( 'image' == $field['type'] ) {
$output .= sprintf( '<img src="%s" alt="%s" />', esc_attr( $value['sizes']['medium'] ), esc_attr( $value['alt']));
} elseif ( 'gallery' == $field['type'] && is_array( $value ) ) {
foreach ( $value as $image ) {
$output .= sprintf( '<img src="%s" alt="%s" />', esc_attr( $image['sizes']['medium'] ), esc_attr( $image['alt']));
}
} elseif ( 'file' == $field['type'] ) {
$output .= sprintf( '<a href="%s">%s</a>', $value['url'], htmlspecialchars( $value['title'] ) );
} elseif ( 'wysiwyg' == $field['type'] || 'textarea' == $field['type'] ) {
// Sanitize input using kses
$output .= wp_kses_post( stripslashes( $value ) );
} else {
$output = _af_render_field_include_value( $value );
}
// Allow third-parties to alter rendered field
$output = apply_filters( 'af/field/render_include', $output, $field, $value );
$output = apply_filters( 'af/field/render_include/name=' . $field['name'], $output, $field, $value );
$output = apply_filters( 'af/field/render_include/key=' . $field['key'], $output, $field, $value );
return $output;
}
/**
* Handle the different shapes field values may take and create an appropriate string
*
* WP_Post - post title
* WP_User - user first name and last name combined
* User array - user first name and last name combined
* WP_Term - term name
* Array - render each value and join with commas
* Other - cast to string
*
* @since 1.3.0
*
*/
function _af_render_field_include_value( $value ) {
$rendered_value = '';
if ( $value instanceof WP_Post ) {
$rendered_value = $value->post_title;
} elseif ( $value instanceof WP_User ) {
$rendered_value = sprintf( '%s %s', $value->first_name, $value->last_name );
} elseif ( is_array( $value ) && isset( $value['user_email'] ) ) {
$rendered_value = sprintf( '%s %s', $value['user_firstname'], $value['user_lastname'] );
} elseif ( $value instanceof WP_Term ) {
$rendered_value = $value->name;
} elseif ( is_array( $value ) ) {
$rendered_values = array();
foreach ( $value as $single_value ) {
$rendered_values[] = _af_render_field_include_value( $single_value );
}
$rendered_value = join( ', ', $rendered_values );
} else {
$rendered_value = (string)$value;
}
// Sanitize output to protect against XSS
return htmlspecialchars( $rendered_value );
}
/**
* Output an "Insert field" button populated with $fields
* $floating adds class "floating" to the wrapper making the button float right in an input field
*
* @since 1.1.1
*
*/
function _af_field_inserter_button( $form, $type = 'all', $floating = false ) {
$classses = ( $floating ) ? 'floating' : '';
echo '<a class="af-field-dropdown ' . $classses . ' button">' . __( 'Insert field', 'advanced-forms' );
echo '<div class="af-dropdown">';
$custom_tags = apply_filters( 'af/merge_tags/custom', array(), $form );
foreach ( $custom_tags as $custom_tag ) {
echo sprintf( '<div class="field-option" data-insert-value="{%s}">%s</div>', $custom_tag['value'], $custom_tag['label'] );
}
if ( ! empty( $custom_tags ) ) {
echo '<div class="field-divider"></div>';
}
if ( 'all' == $type ) {
echo sprintf( '<div class="field-option" data-insert-value="{all_fields}">%s</div>', __( 'All fields', 'advanced-forms' ) );
}
$fields = af_get_form_fields( $form, $type );
foreach ( $fields as $field ) {
_af_field_inserter_render_option( $field );
}
echo '</div>';
echo '</a>';
}
function _af_field_inserter_render_option( $field, $ancestors = array() ) {
$insert_value = '';
if ( empty( $ancestors ) ) {
$insert_value = sprintf( '{field:%s}', $field['name'] );
} else {
$hierarchy = array_merge( $ancestors, array( $field['name'] ) );
$top_level_name = array_shift( $hierarchy );
$insert_value = sprintf( '{field:%s[%s]}', $top_level_name, join( '][', $hierarchy ) );
}
$label = wp_strip_all_tags( $field['label'] );
$type = acf_get_field_type_label( $field['type'] );
echo sprintf( '<div class="field-option" data-insert-value="%s" role="button">', $insert_value );
echo sprintf( '<span class="field-name">%s</span><span class="field-type">%s</span>', $label, $type );
echo '</div>';
// Append options for sub fields if they exist (and we are dealing with a group or clone field)
$parent_field_types = array( 'group', 'clone' );
if ( in_array( $field['type'], $parent_field_types ) && isset( $field['sub_fields'] ) ) {
array_push( $ancestors, $field['name'] );
echo '<div class="sub-fields-wrapper">';
foreach ( $field['sub_fields'] as $sub_field ) {
_af_field_inserter_render_option( $sub_field, $ancestors );
}
echo '</div>';
}
}
/**
* Generates choices for a form field picker.
* Returns an array with field key => field label suitable for usage with an ACF select field.
*
* $type can be either 'all' or 'regular'.
*
* @since 1.3.0
*
*/
function _af_form_field_choices( $form_key, $type = 'all' ) {
$form_fields = af_get_form_fields( $form_key, $type );
$choices = array();
if ( ! empty( $form_fields ) ) {
foreach ( $form_fields as $field ) {
$choices[ $field['key'] ] = $field['label'];
}
}
return $choices;
}
/**
* Find a nested sub field based on some selector.
* If the selector is ["g1", "g2", "f1"] then the function will find a
* field named "f1" inside "g2" which is inside field "g1".
* The $field parameter should be the top-level field, "g1" in the example.
*
* @since 1.7.2
*
*/
function af_pick_sub_field( $field, $selector ) {
while ( ! empty( $selector ) && $field && isset( $field['sub_fields'] ) ) {
$search = array_shift( $selector );
$field = acf_search_fields( $search, $field['sub_fields'] );
}
return $field;
}
/**
* Find a nested value of a sub field based on some selector.
* If the selector is ["g1", "g2", "f1"] then the function will return the
* value of field "f1" inside "g2" which is inside "g1".
* The $field parameter should be the top-level field, "g1" in the example.
*
* @since 1.7.2
*
*/
function af_pick_sub_field_value( $field, $selector ) {
$value = $field['value'];
while ( ! empty( $selector ) ) {
$search = array_shift( $selector );
if ( isset( $value[ $search ] ) ) {
$value = $value[ $search ];
} else {
return false;
}
}
return $value;
}
/**
* Retrieves full URL (with trailing slash) to the plugin assets folder
*
* @since 1.3.0
*
*/
function af_assets_url( $path = '' ) {
return plugin_dir_url( dirname( __FILE__ ) ) . 'assets/' . $path;
}