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common.php
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<?php
if(!class_exists('GFForms')){
die();
}
class GFCommon{
// deprecated; set to GFForms::$version in GFForms::init() for backwords compat
public static $version = null;
public static $tab_index = 1;
public static $errors = array();
private static $messages = array();
public static function get_selection_fields($form, $selected_field_id){
$str = "";
foreach($form["fields"] as $field){
$input_type = RGFormsModel::get_input_type($field);
$field_label = RGFormsModel::get_label($field);
if($input_type == "checkbox" || $input_type == "radio" || $input_type == "select"){
$selected = $field["id"] == $selected_field_id ? "selected='selected'" : "";
$str .= "<option value='" . $field["id"] . "' " . $selected . ">" . $field_label . "</option>";
}
}
return $str;
}
public static function is_numeric($value, $number_format=""){
if($number_format == "currency"){
$number_format = self::is_currency_decimal_dot() ? "decimal_dot" : "decimal_comma";
$value = self::remove_currency_symbol($value);
}
switch($number_format){
case "decimal_dot" :
return preg_match("/^(-?[0-9]{1,3}(?:,?[0-9]{3})*(?:\.[0-9]+)?)$/", $value);
break;
case "decimal_comma" :
return preg_match("/^(-?[0-9]{1,3}(?:\.?[0-9]{3})*(?:,[0-9]+)?)$/", $value);
break;
default :
return preg_match("/^(-?[0-9]{1,3}(?:,?[0-9]{3})*(?:\.[0-9]{2})?)$/", $value) || preg_match("/^(-?[0-9]{1,3}(?:\.?[0-9]{3})*(?:,[0-9]{2})?)$/", $value);
}
}
public static function remove_currency_symbol($value, $currency = null){
if($currency == null){
$code = GFCommon::get_currency();
if(empty($code))
$code = "USD";
$currency = RGCurrency::get_currency($code);
}
$value = str_replace($currency["symbol_left"], "", $value);
$value = str_replace($currency["symbol_right"], "", $value);
//some symbols can't be easily matched up, so this will catch any of them
$value = preg_replace('/[^,.\d]/', "", $value);
return $value;
}
public static function is_currency_decimal_dot($currency = null){
if($currency == null){
$code = GFCommon::get_currency();
if(empty($code))
$code = "USD";
$currency = RGCurrency::get_currency($code);
}
return rgar($currency, "decimal_separator") == ".";
}
public static function trim_all($text){
$text = trim($text);
do{
$prev_text = $text;
$text = str_replace(" ", " ", $text);
}
while($text != $prev_text);
return $text;
}
public static function format_number($number, $number_format){
if(!is_numeric($number))
return $number;
//replacing commas with dots and dots with commas
if($number_format == "currency"){
if(false === class_exists('RGCurrency')){
require_once( GFCommon::get_base_path() . '/currency.php' );
}
$currency = new RGCurrency( GFCommon::get_currency() );
$number = $currency->to_money( $number );
} elseif ($number_format == "decimal_comma"){
$number = str_replace(",", "|", $number);
$number = str_replace(".", ",", $number);
$number = str_replace("|", ".", $number);
}
return $number;
}
public static function recursive_add_index_file($dir) {
if(!is_dir($dir))
return;
if(!($dp = opendir($dir)))
return;
//ignores all errors
set_error_handler(create_function("", "return 0;"), E_ALL);
//creates an empty index.html file
if($f = fopen($dir . "/index.html", 'w'))
fclose($f);
//restores error handler
restore_error_handler();
while((false !== $file = readdir($dp))){
if(is_dir("$dir/$file") && $file != '.' && $file !='..')
self::recursive_add_index_file("$dir/$file");
}
closedir($dp);
}
public static function clean_number($number, $number_format=""){
if(rgblank($number))
return $number;
$decimal_char = "";
if($number_format == "decimal_dot")
$decimal_char = ".";
else if($number_format == "decimal_comma")
$decimal_char = ",";
$float_number = "";
$clean_number = "";
$is_negative = false;
//Removing all non-numeric characters
$array = str_split($number);
foreach($array as $char){
if (($char >= '0' && $char <= '9') || $char=="," || $char==".")
$clean_number .= $char;
else if($char == '-')
$is_negative = true;
}
//Removing thousand separators but keeping decimal point
$array = str_split($clean_number);
for($i=0, $count = sizeof($array); $i<$count; $i++)
{
$char = $array[$i];
if ($char >= '0' && $char <= '9')
$float_number .= $char;
else if(empty($decimal_char) && ($char == "." || $char == ",") && strlen($clean_number) - $i <= 3)
$float_number .= ".";
else if($decimal_char == $char)
$float_number .= ".";
}
if($is_negative)
$float_number = "-" . $float_number;
return $float_number;
}
public static function json_encode($value){
return json_encode($value);
}
public static function json_decode($str, $is_assoc=true){
return json_decode($str, $is_assoc);
}
//Returns the url of the plugin's root folder
public static function get_base_url(){
return plugins_url( '', __FILE__ );
}
//Returns the physical path of the plugin's root folder
public static function get_base_path(){
return dirname( __FILE__ );
}
public static function get_email_fields($form){
$fields = array();
foreach($form["fields"] as $field){
if(RGForms::get("type", $field) == "email" || RGForms::get("inputType", $field) == "email")
$fields[] = $field;
}
return $fields;
}
public static function truncate_middle($text, $max_length){
if(strlen($text) <= $max_length)
return $text;
$middle = intval($max_length / 2);
return self::safe_substr($text, 0, $middle) . "..." . self::safe_substr($text, strlen($text) - $middle, $middle);
}
public static function is_invalid_or_empty_email($email){
return empty($email) || !self::is_valid_email($email);
}
public static function is_valid_url( $url ) {
$url = trim( $url );
return ( ( strpos( $url, 'http://' ) === 0 || strpos( $url, 'https://' ) === 0 ) &&
filter_var( $url, FILTER_VALIDATE_URL ) !== false );
}
public static function is_valid_email( $email ) {
return filter_var( $email, FILTER_VALIDATE_EMAIL );
}
public static function is_valid_email_list( $email_list ) {
$emails = explode( ',', $email_list );
if ( ! is_array( $emails ) ){
return false;
}
foreach( $emails as $email ){
if ( ! filter_var( $email, FILTER_VALIDATE_EMAIL ) ) {
return false;
}
}
return true;
}
public static function get_label($field, $input_id = 0, $input_only = false){
return RGFormsModel::get_label($field, $input_id, $input_only);
}
public static function get_input($field, $id){
return RGFormsModel::get_input($field, $id);
}
public static function insert_variables($fields, $element_id, $hide_all_fields=false, $callback="", $onchange="", $max_label_size=40, $exclude = null, $args="", $class_name=""){
if($fields == null)
$fields = array();
if($exclude == null)
$exclude = array();
$exclude = apply_filters("gform_merge_tag_list_exclude", $exclude, $element_id, $fields);
$merge_tags = self::get_merge_tags($fields, $element_id, $hide_all_fields, $exclude, $args);
$onchange = empty($onchange) ? "InsertVariable('{$element_id}', '{$callback}');" : $onchange;
$class = trim($class_name . " gform_merge_tags");
?>
<select id="<?php echo $element_id?>_variable_select" onchange="<?php echo $onchange ?>" class="<?php echo esc_attr($class)?>">
<option value=''><?php _e("Insert Merge Tag", "gravityforms"); ?></option>
<?php foreach($merge_tags as $group => $group_tags) {
$group_label = rgar($group_tags, 'label');
$tags = rgar($group_tags, 'tags');
if(empty($group_tags['tags']))
continue;
if($group_label) { ?>
<optgroup label="<?php echo $group_label; ?>">
<?php } ?>
<?php foreach($tags as $tag) { ?>
<option value="<?php echo $tag['tag']; ?>"><?php echo $tag['label']; ?></option>
<?php }
if($group_label) { ?>
</optgroup>
<?php }
} ?>
</select>
<?php
}
/**
* This function is used by the gfMergeTags JS object to get the localized label for non-field merge tags as well as
* for backwards compatability with the gform_custom_merge_tags hook. Lastly, this plugin is used by the soon-to-be
* deprecrated insert_variables() function as the new gfMergeTags object has not yet been applied to the Post Content
* Template setting.
*
* @param $fields
* @param $element_id
* @param bool $hide_all_fields
* @param array $exclude_field_types
* @param string $option
* @return array
*/
public static function get_merge_tags($fields, $element_id, $hide_all_fields = false, $exclude_field_types = array(), $option = '') {
if($fields == null)
$fields = array();
if($exclude_field_types == null)
$exclude_field_types = array();
$required_fields = $optional_fields = $pricing_fields = array();
$ungrouped = $required_group = $optional_group = $pricing_group = $other_group = array();
if(!$hide_all_fields)
$ungrouped[] = array('tag' => '{all_fields}', 'label' => __('All Submitted Fields', 'gravityforms'));
// group fields by required, optional, and pricing
foreach($fields as $field) {
if(rgget("displayOnly", $field))
continue;
$input_type = RGFormsModel::get_input_type($field);
// skip field types that should be excluded
if(is_array($exclude_field_types) && in_array($input_type, $exclude_field_types))
continue;
if(rgar($field, 'isRequired')) {
switch($input_type) {
case "name" :
if(rgar($field,"nameFormat") == "extended") {
$prefix = GFCommon::get_input($field, $field["id"] + 0.2);
$suffix = GFCommon::get_input($field, $field["id"] + 0.8);
$optional_field = $field;
$optional_field["inputs"] = array($prefix, $suffix);
//Add optional name fields to the optional list
$optional_fields[] = $optional_field;
//Remove optional name field from required list
unset($field["inputs"][0]);
unset($field["inputs"][3]);
}
$required_fields[] = $field;
break;
default:
$required_fields[] = $field;
}
}
else {
$optional_fields[] = $field;
}
if(self::is_pricing_field($field["type"])){
$pricing_fields[] = $field;
}
}
if(!empty($required_fields)){
foreach($required_fields as $field){
$required_group = array_merge($required_group, self::get_field_merge_tags($field, $option));
}
}
if(!empty($optional_fields)){
foreach($optional_fields as $field){
$optional_group = array_merge($optional_group, self::get_field_merge_tags($field, $option));
}
}
if(!empty($pricing_fields)){
if(!$hide_all_fields)
$pricing_group[] = array('tag' => '{pricing_fields}', 'label' => __("All Pricing Fields", "gravityforms"));
foreach($pricing_fields as $field){
$pricing_group = array_merge($pricing_group, self::get_field_merge_tags($field, $option));
}
}
$other_group[] = array('tag' => '{ip}', 'label' => __("User IP Address", "gravityforms"));
$other_group[] = array('tag' => '{date_mdy}', 'label' => __("Date", "gravityforms") . ' (mm/dd/yyyy)');
$other_group[] = array('tag' => '{date_dmy}', 'label' => __("Date", "gravityforms") . ' (dd/mm/yyyy)');
$other_group[] = array('tag' => '{embed_post:ID}', 'label' => __("Embed Post/Page Id", "gravityforms"));
$other_group[] = array('tag' => '{embed_post:post_title}', 'label' => __("Embed Post/Page Title", "gravityforms"));
$other_group[] = array('tag' => '{embed_url}', 'label' => __("Embed URL", "gravityforms"));
$other_group[] = array('tag' => '{entry_id}', 'label' => __("Entry Id", "gravityforms"));
$other_group[] = array('tag' => '{entry_url}', 'label' => __("Entry URL", "gravityforms"));
$other_group[] = array('tag' => '{form_id}', 'label' => __("Form Id", "gravityforms"));
$other_group[] = array('tag' => '{form_title}', 'label' => __("Form Title", "gravityforms"));
$other_group[] = array('tag' => '{user_agent}', 'label' => __("HTTP User Agent", "gravityforms"));
$other_group[] = array('tag' => '{referer}', 'label' => __("HTTP Referer URL", "gravityforms"));
if(self::has_post_field($fields)) {
$other_group[] = array('tag' => '{post_id}', 'label' => __("Post Id", "gravityforms"));
$other_group[] = array('tag' => '{post_edit_url}', 'label' => __("Post Edit URL", "gravityforms"));
}
$other_group[] = array('tag' => '{user:display_name}', 'label' => __("User Display Name", "gravityforms"));
$other_group[] = array('tag' => '{user:user_email}', 'label' => __("User Email", "gravityforms"));
$other_group[] = array('tag' => '{user:user_login}', 'label' => __("User Login", "gravityforms"));
$custom_group = apply_filters('gform_custom_merge_tags', array(), rgars($fields, '0/formId'), $fields, $element_id);
$merge_tags = array(
'ungrouped' => array(
'label' => false,
'tags' => $ungrouped
),
'required' => array(
'label' => __("Required form fields", "gravityforms"),
'tags' => $required_group
),
'optional' => array(
'label' => __("Optional form fields", "gravityforms"),
'tags' => $optional_group
),
'pricing' => array(
'label' => __("Pricing form fields", "gravityforms"),
'tags' => $pricing_group
),
'other' => array(
'label' => __("Other", "gravityforms"),
'tags' => $other_group
),
'custom' => array(
'label' => __("Custom", "gravityforms"),
'tags' => $custom_group
)
);
return $merge_tags;
}
public static function get_field_merge_tags($field, $option="") {
$merge_tags = array();
$tag_args = RGFormsModel::get_input_type($field) == "list" ? ":{$option}" : ""; //args currently only supported by list field
if(isset($field["inputs"]) && is_array($field["inputs"])) {
if(RGFormsModel::get_input_type($field) == "checkbox") {
$value = "{" . esc_html(GFCommon::get_label($field, $field["id"])) . ":" . $field["id"] . "{$tag_args}}";
$merge_tags[] = array( 'tag' => $value, 'label' => esc_html(GFCommon::get_label($field, $field["id"])) );
}
foreach($field["inputs"] as $input) {
if( RGFormsModel::get_input_type( $field ) == 'creditcard' ) {
//only include the credit card type (field_id.4) and number (field_id.1)
if ( $input['id'] == $field['id'] . '.1' || $input['id'] == $field['id'] . '.4' ) {
$value = '{' . esc_html( GFCommon::get_label( $field, $input['id'] ) ) . ':' . $input['id'] . "{$tag_args}}";
$merge_tags[] = array( 'tag' => $value, 'label' => esc_html( GFCommon::get_label( $field, $input['id'] ) ) );
}
}
else {
$value = "{" . esc_html(GFCommon::get_label($field, $input["id"])) . ":" . $input["id"] . "{$tag_args}}";
$merge_tags[] = array( 'tag' => $value, 'label' => esc_html(GFCommon::get_label($field, $input["id"])) );
}
}
}
else {
$value = "{" . esc_html(GFCommon::get_label($field)) . ":" . $field["id"] . "{$tag_args}}";
$merge_tags[] = array( 'tag' => $value, 'label' => esc_html(GFCommon::get_label($field)) );
}
return $merge_tags;
}
public static function insert_field_variable($field, $max_label_size=40, $args=""){
$tag_args = RGFormsModel::get_input_type($field) == "list" ? ":{$args}" : ""; //args currently only supported by list field
if(is_array($field["inputs"]))
{
if(RGFormsModel::get_input_type($field) == "checkbox"){
?>
<option value='<?php echo "{" . esc_html(GFCommon::get_label($field, $field["id"])) . ":" . $field["id"] . "{$tag_args}}" ?>'><?php echo esc_html(GFCommon::get_label($field, $field["id"])) ?></option>
<?php
}
foreach($field["inputs"] as $input){
?>
<option value='<?php echo "{" . esc_html(GFCommon::get_label($field, $input["id"])) . ":" . $input["id"] . "{$tag_args}}" ?>'><?php echo esc_html(GFCommon::get_label($field, $input["id"])) ?></option>
<?php
}
}
else{
?>
<option value='<?php echo "{" . esc_html(GFCommon::get_label($field)) . ":" . $field["id"] . "{$tag_args}}" ?>'><?php echo esc_html(GFCommon::get_label($field)) ?></option>
<?php
}
}
public static function insert_post_content_variables($fields, $element_id, $callback, $max_label_size=25){
// TODO: replace with class-powered merge tags
self::insert_variables($fields, $element_id, true, "", "InsertPostContentVariable('{$element_id}', '{$callback}');", $max_label_size, null, "", "gform_content_template_merge_tags");
?>
<select id="<?php echo $element_id?>_image_size_select" onchange="InsertPostImageVariable('<?php echo $element_id ?>', '<?php echo $element_id ?>'); SetCustomFieldTemplate();" style="display:none;">
<option value=""><?php _e("Select image size", "gravityforms") ?></option>
<option value="thumbnail"><?php _e("Thumbnail", "gravityforms") ?></option>
<option value="thumbnail:left"><?php _e("Thumbnail - Left Aligned", "gravityforms") ?></option>
<option value="thumbnail:center"><?php _e("Thumbnail - Centered", "gravityforms") ?></option>
<option value="thumbnail:right"><?php _e("Thumbnail - Right Aligned", "gravityforms") ?></option>
<option value="medium"><?php _e("Medium", "gravityforms") ?></option>
<option value="medium:left"><?php _e("Medium - Left Aligned", "gravityforms") ?></option>
<option value="medium:center"><?php _e("Medium - Centered", "gravityforms") ?></option>
<option value="medium:right"><?php _e("Medium - Right Aligned", "gravityforms") ?></option>
<option value="large"><?php _e("Large", "gravityforms") ?></option>
<option value="large:left"><?php _e("Large - Left Aligned", "gravityforms") ?></option>
<option value="large:center"><?php _e("Large - Centered", "gravityforms") ?></option>
<option value="large:right"><?php _e("Large - Right Aligned", "gravityforms") ?></option>
<option value="full"><?php _e("Full Size", "gravityforms") ?></option>
<option value="full:left"><?php _e("Full Size - Left Aligned", "gravityforms") ?></option>
<option value="full:center"><?php _e("Full Size - Centered", "gravityforms") ?></option>
<option value="full:right"><?php _e("Full Size - Right Aligned", "gravityforms") ?></option>
</select>
<?php
}
public static function insert_calculation_variables($fields, $element_id, $onchange = '', $callback = '', $max_label_size=40) {
if($fields == null)
$fields = array();
$onchange = empty($onchange) ? "InsertVariable('{$element_id}', '{$callback}');" : $onchange;
$class = 'gform_merge_tags';
?>
<select id="<?php echo $element_id?>_variable_select" onchange="<?php echo $onchange ?>" class="<?php echo esc_attr($class)?>">
<option value=''><?php _e("Insert Merge Tag", "gravityforms"); ?></option>
<optgroup label="<?php _e("Allowable form fields", "gravityforms"); ?>">
<?php
foreach($fields as $field) {
if(!self::is_valid_for_calcuation($field))
continue;
if(RGFormsModel::get_input_type($field) == 'checkbox') {
foreach($field["inputs"] as $input){
?>
<option value='<?php echo "{" . esc_html(GFCommon::get_label($field, $input["id"])) . ":" . $input["id"] . "}" ?>'><?php echo esc_html(GFCommon::get_label($field, $input["id"])) ?></option>
<?php
}
} else {
self::insert_field_variable($field, $max_label_size);
}
}
?>
</optgroup>
<?php
$custom_merge_tags = apply_filters('gform_custom_merge_tags', array(), rgars($fields, '0/formId'), $fields, $element_id);
if(is_array($custom_merge_tags) && !empty($custom_merge_tags)) { ?>
<optgroup label="<?php _e("Custom", "gravityforms"); ?>">
<?php foreach($custom_merge_tags as $custom_merge_tag) { ?>
<option value='<?php echo rgar($custom_merge_tag, 'tag'); ?>'><?php echo rgar($custom_merge_tag, 'label'); ?></option>
<?php } ?>
</optgroup>
<?php } ?>
</select>
<?php
}
private static function get_post_image_variable($media_id, $arg1, $arg2, $is_url = false){
if($is_url){
$image = wp_get_attachment_image_src($media_id, $arg1);
if ( $image )
list($src, $width, $height) = $image;
return $src;
}
switch($arg1){
case "title" :
$media = get_post($media_id);
return $media->post_title;
case "caption" :
$media = get_post($media_id);
return $media->post_excerpt;
case "description" :
$media = get_post($media_id);
return $media->post_content;
default :
$img = wp_get_attachment_image($media_id, $arg1, false, array("class" => "size-{$arg1} align{$arg2} wp-image-{$media_id}"));
return $img;
}
}
public static function replace_variables_post_image($text, $post_images, $lead){
preg_match_all('/{[^{]*?:(\d+)(:([^:]*?))?(:([^:]*?))?(:url)?}/mi', $text, $matches, PREG_SET_ORDER);
if(is_array($matches))
{
foreach($matches as $match){
$input_id = $match[1];
//ignore fields that are not post images
if(!isset($post_images[$input_id]))
continue;
//Reading alignment and "url" parameters.
//Format could be {image:5:medium:left:url} or {image:5:medium:url}
$size_meta = empty($match[3]) ? "full" : $match[3];
$align = empty($match[5]) ? "none" : $match[5];
if($align == "url"){
$align = "none";
$is_url = true;
}
else{
$is_url = rgar($match,6) == ":url";
}
$media_id = $post_images[$input_id];
$value = is_wp_error($media_id) ? "" : self::get_post_image_variable($media_id, $size_meta, $align, $is_url);
$text = str_replace($match[0], $value , $text);
}
}
return $text;
}
public static function implode_non_blank($separator, $array){
if(!is_array($array))
return "";
$ary = array();
foreach($array as $item){
if(!rgblank($item))
$ary[] = $item;
}
return implode($separator, $ary);
}
private static function format_variable_value($value, $url_encode, $esc_html, $format){
if($esc_html)
$value = esc_html($value);
if($format == "html")
$value = nl2br($value);
if($url_encode)
$value = urlencode($value);
return $value;
}
public static function replace_variables($text, $form, $lead, $url_encode = false, $esc_html=true, $nl2br = true, $format="html"){
$text = $nl2br ? nl2br($text) : $text;
//Replacing field variables: {FIELD_LABEL:FIELD_ID} {My Field:2}
preg_match_all('/{[^{]*?:(\d+(\.\d+)?)(:(.*?))?}/mi', $text, $matches, PREG_SET_ORDER);
if(is_array($matches))
{
foreach($matches as $match){
$input_id = $match[1];
$field = RGFormsModel::get_field($form,$input_id);
$value = RGFormsModel::get_lead_field_value($lead, $field);
$raw_value = $value;
if(is_array($value))
$value = rgar($value, $input_id);
$value = self::format_variable_value($value, $url_encode, $esc_html, $format);
switch(RGFormsModel::get_input_type($field)){
case "number" :
$value = GFCommon::format_number($value, rgar($field, "numberFormat"));
break;
case "fileupload" :
if(rgar($field, "multipleFiles")){
$files = empty( $raw_value ) ? array() : json_decode( $raw_value, true );
foreach ( $files as &$file ) {
$file = str_replace( ' ', '%20', $file );
if ( $esc_html ){
$value = esc_html( $value );
}
}
$value = $format == 'html' ? join( "<br />", $files ) : join( ", ", $files );
} else {
$value = str_replace( ' ', '%20', $value );
}
if ( $url_encode ){
$value = urlencode( $value );
}
break;
case "post_image" :
list( $url, $title, $caption, $description ) = array_pad( explode( '|:|', $value ), 4, false );
$value = str_replace( ' ', '%20', $url );
break;
case "checkbox" :
case "select" :
case "radio" :
$use_value = rgar($match,4) == "value";
$use_price = in_array(rgar($match,4), array("price", "currency"));
$format_currency = rgar($match,4) == "currency";
if(is_array($raw_value) && (string)intval($input_id) != $input_id){
$items = array($input_id => $value); //float input Ids. (i.e. 4.1 ). Used when targeting specific checkbox items
}
else if(is_array($raw_value)){
$items = $raw_value;
}
else{
$items = array($input_id => $raw_value);
}
$ary = array();
foreach($items as $input_id => $item){
if($use_value){
list($val, $price) = rgexplode("|", $item, 2);
}
else if($use_price){
list($name, $val) = rgexplode("|", $item, 2);
if($format_currency)
$val = GFCommon::to_money($val, rgar($lead, "currency"));
}
else if($field["type"] == "post_category"){
$use_id = strtolower(rgar($match,4)) == "id";
$item_value = self::format_post_category($item, $use_id);
$val = RGFormsModel::is_field_hidden($form, $field, array(), $lead) ? "" : $item_value;
}
else{
$val = RGFormsModel::is_field_hidden($form, $field, array(), $lead) ? "" : RGFormsModel::get_choice_text($field, $raw_value, $input_id);
}
$ary[] = self::format_variable_value($val, $url_encode, $esc_html, $format);
}
$value = self::implode_non_blank(", ", $ary);
break;
case "multiselect" :
if($field["type"] == "post_category"){
$use_id = strtolower(rgar($match,4)) == "id";
$items = explode(",", $value);
if(is_array($items)){
$cats = array();
foreach($items as $item){
$cat = self::format_post_category($item, $use_id);
$cats[] = self::format_variable_value($cat, $url_encode, $esc_html, $format);
}
$value = self::implode_non_blank(", ", $cats);
}
}
break;
case "date" :
$value = self::date_display($value, rgar($field,"dateFormat"));
break;
case "total" :
$format_numeric = rgar($match,4) == "price";
$value = $format_numeric ? GFCommon::to_number($value) : GFCommon::to_money($value);
$value = self::format_variable_value($value, $url_encode, $esc_html, $format);
break;
case "post_category" :
$use_id = strtolower(rgar($match,4)) == "id";
$value = self::format_post_category($value, $use_id);
$value = self::format_variable_value($value, $url_encode, $esc_html, $format);
break;
case "list" :
$output_format = in_array(rgar($match,4), array("text", "html", "url")) ? rgar($match,4) : $format;
$value = self::get_lead_field_display($field, $raw_value, $lead["currency"], true, $output_format);
break;
}
if(rgar($match,4) == "label"){
$value = empty($value) ? "" : rgar($field, "label");
}
else if(rgar($match,4) == "qty" && $field["type"] == "product"){
//getting quantity associated with product field
$products = self::get_product_fields($form, $lead, false, false);
$value = 0;
foreach($products["products"] as $product_id => $product)
{
if($product_id == $field["id"])
$value = $product["quantity"];
}
}
//Encoding left curly bracket so that merge tags entered in the front end are displayed as is and not "executed"
$value = self::encode_merge_tag($value);
//filter can change merge code variable
$value = apply_filters("gform_merge_tag_filter", $value, $input_id, rgar($match,4), $field, $raw_value);
if($value === false)
$value = "";
$text = str_replace($match[0], $value , $text);
}
}
//replacing global variables
//form title
$text = str_replace("{form_title}", $url_encode ? urlencode($form["title"]) : $form["title"], $text);
$matches = array();
preg_match_all("/{all_fields(:(.*?))?}/", $text, $matches, PREG_SET_ORDER);
foreach($matches as $match){
$options = explode(",", rgar($match,2));
$use_value = in_array("value", $options);
$display_empty = in_array("empty", $options);
$use_admin_label = in_array("admin", $options);
//all submitted fields using text
if (strpos($text, $match[0]) !== false){
$text = str_replace($match[0], self::get_submitted_fields($form, $lead, $display_empty, !$use_value, $format, $use_admin_label, "all_fields", rgar($match,2)), $text);
}
}
//all submitted fields including empty fields
if (strpos($text, "{all_fields_display_empty}") !== false){
$text = str_replace("{all_fields_display_empty}", self::get_submitted_fields($form, $lead, true, true, $format, false, "all_fields_display_empty"), $text);
}
//pricing fields
if (strpos($text, "{pricing_fields}") !== false){
$text = str_replace("{pricing_fields}", '<table width="99%" border="0" cellpadding="1" cellspacing="0" bgcolor="#EAEAEA">
<tr><td>
<table width="100%" border="0" cellpadding="5" cellspacing="0" bgcolor="#FFFFFF">' .
self::get_submitted_pricing_fields($form, $lead, $format) .
'</table>
</tr></td>
</table>',
$text);
}
//form id
$text = str_replace("{form_id}", $url_encode ? urlencode($form["id"]) : $form["id"], $text);
//entry id
$text = str_replace("{entry_id}", $url_encode ? urlencode(rgar($lead, "id")) : rgar($lead, "id"), $text);
//entry url
$entry_url = get_bloginfo("wpurl") . "/wp-admin/admin.php?page=gf_entries&view=entry&id=" . $form["id"] . "&lid=" . rgar($lead,"id");
$text = str_replace("{entry_url}", $url_encode ? urlencode($entry_url) : $entry_url, $text);
//post id
$text = str_replace("{post_id}", $url_encode ? urlencode(rgar($lead, "post_id")) : rgar($lead, "post_id"), $text);
//admin email
$wp_email = get_bloginfo("admin_email");
$text = str_replace("{admin_email}", $url_encode ? urlencode($wp_email) : $wp_email, $text);
//post edit url
$post_url = get_bloginfo("wpurl") . "/wp-admin/post.php?action=edit&post=" . rgar($lead, "post_id");
$text = str_replace("{post_edit_url}", $url_encode ? urlencode($post_url) : $post_url, $text);
$text = self::replace_variables_prepopulate($text, $url_encode, $lead);
// hook allows for custom merge tags
$text = apply_filters('gform_replace_merge_tags', $text, $form, $lead, $url_encode, $esc_html, $nl2br, $format);
// TODO: Deprecate the 'gform_replace_merge_tags' and replace it with a call to the 'gform_merge_tag_filter'
//$text = apply_filters('gform_merge_tag_filter', $text, false, false, false );
$text = self::decode_merge_tag($text);
return $text;
}
public static function encode_merge_tag($text){
return str_replace("{", "{", $text);
}
public static function decode_merge_tag($text){
return str_replace("{", "{", $text);
}
public static function format_post_category($value, $use_id){
list($item_value, $item_id) = rgexplode(":", $value, 2);
if($use_id && !empty($item_id))
$item_value = $item_id;
return $item_value;
}
public static function get_embed_post(){
global $embed_post, $post, $wp_query;
if($embed_post){
return $embed_post;
}
if(!rgempty("gform_embed_post")){
$post_id = absint(rgpost("gform_embed_post"));
$embed_post = get_post($post_id);
}
else if($wp_query->is_in_loop){
$embed_post = $post;
}
else{
$embed_post = array();
}
}
public static function replace_variables_prepopulate($text, $url_encode=false, $entry=false){
//embed url
$text = str_replace("{embed_url}", $url_encode ? urlencode(RGFormsModel::get_current_page_url()) : RGFormsModel::get_current_page_url(), $text);
$local_timestamp = self::get_local_timestamp(time());
//date (mm/dd/yyyy)
$local_date_mdy = date_i18n("m/d/Y", $local_timestamp, true);
$text = str_replace("{date_mdy}", $url_encode ? urlencode($local_date_mdy) : $local_date_mdy, $text);
//date (dd/mm/yyyy)
$local_date_dmy = date_i18n("d/m/Y", $local_timestamp, true);
$text = str_replace("{date_dmy}", $url_encode ? urlencode($local_date_dmy) : $local_date_dmy, $text);
// ip
$ip = isset( $entry['ip'] ) ? $entry['ip'] : GFFormsModel::get_ip();
$text = str_replace( '{ip}', $url_encode ? urlencode( $ip ) : $ip, $text );
global $post;
$post_array = self::object_to_array($post);
preg_match_all("/\{embed_post:(.*?)\}/", $text, $matches, PREG_SET_ORDER);
foreach($matches as $match){
$full_tag = $match[0];
$property = $match[1];
$text = str_replace($full_tag, $url_encode ? urlencode($post_array[$property]) : $post_array[$property], $text);
}
//embed post custom fields
preg_match_all("/\{custom_field:(.*?)\}/", $text, $matches, PREG_SET_ORDER);
foreach($matches as $match){