PHP FrmAppHelper::array_flatten方法代码示例

 public static function entry_array_to_string($values)
 {
     $content = '';
     foreach ($values['item_meta'] as $val) {
         if ($content != '') {
             $content .= "\n\n";
         }
         if (is_array($val)) {
             $val = FrmAppHelper::array_flatten($val);
             $val = implode(',', $val);
         }
         $content .= $val;
     }
     return $content;
 }

 public static function replace_single_shortcode($shortcodes, $short_key, $tag, $entry, $display, $args, &$content)
 {
     global $post;
     $conditional = preg_match('/^\\[if/s', $shortcodes[0][$short_key]) ? true : false;
     $foreach = preg_match('/^\\[foreach/s', $shortcodes[0][$short_key]) ? true : false;
     $atts = shortcode_parse_atts($shortcodes[3][$short_key]);
     $tag = FrmFieldsHelper::get_shortcode_tag($shortcodes, $short_key, compact('conditional', 'foreach'));
     if (strpos($tag, '-')) {
         $switch_tags = array('post-id', 'created-at', 'updated-at', 'created-by', 'updated-by', 'parent-id');
         if (in_array($tag, $switch_tags)) {
             $tag = str_replace('-', '_', $tag);
         }
         unset($switch_tags);
     }
     $tags = array('event_date', 'entry_count', 'detaillink', 'editlink', 'deletelink', 'created_at', 'updated_at', 'created_by', 'updated_by', 'evenodd', 'post_id', 'parent_id', 'id');
     if (in_array($tag, $tags)) {
         $args['entry'] = $entry;
         $args['tag'] = $tag;
         $args['conditional'] = $conditional;
         $function = 'do_shortcode_' . $tag;
         self::$function($content, $atts, $shortcodes, $short_key, $args, $display);
         return;
     }
     $field = FrmField::getOne($tag);
     if (!$field) {
         return;
     }
     if (!$foreach && !$conditional && isset($atts['show']) && ($atts['show'] == 'field_label' || $atts['show'] == 'description')) {
         // get the field label or description and return before any other checking
         $replace_with = $atts['show'] == 'field_label' ? $field->name : $field->description;
         $content = str_replace($shortcodes[0][$short_key], $replace_with, $content);
         return;
     }
     $sep = isset($atts['sep']) ? $atts['sep'] : ', ';
     if ($field->form_id == $entry->form_id) {
         $replace_with = FrmProEntryMetaHelper::get_post_or_meta_value($entry, $field, $atts);
     } else {
         // get entry ids linked through repeat field or embeded form
         $child_entries = FrmProEntry::get_sub_entries($entry->id, true);
         $replace_with = FrmProEntryMetaHelper::get_sub_meta_values($child_entries, $field, $atts);
         $replace_with = FrmAppHelper::array_flatten($replace_with);
     }
     $atts['entry_id'] = $entry->id;
     $atts['entry_key'] = $entry->item_key;
     $atts['post_id'] = $entry->post_id;
     $replace_with = apply_filters('frmpro_fields_replace_shortcodes', $replace_with, $tag, $atts, $field);
     self::get_file_from_atts($atts, $field, $replace_with);
     if (isset($atts['show']) && $atts['show'] == 'count') {
         $replace_with = is_array($replace_with) ? count($replace_with) : !empty($replace_with);
     } else {
         if (is_array($replace_with) && !$foreach) {
             $replace_with = FrmAppHelper::array_flatten($replace_with);
             $replace_with = implode($sep, $replace_with);
         }
     }
     if ($foreach) {
         $atts['short_key'] = $shortcodes[0][$short_key];
         $args['display'] = $display;
         self::check_conditional_shortcode($content, $replace_with, $atts, $tag, 'foreach', $args);
     } else {
         if ($conditional) {
             $atts['short_key'] = $shortcodes[0][$short_key];
             self::check_conditional_shortcode($content, $replace_with, $atts, $tag, 'if', array('field' => $field));
         } else {
             if (empty($replace_with) && $replace_with != '0') {
                 $replace_with = '';
                 if ($field->type == 'number') {
                     $replace_with = '0';
                 }
             } else {
                 $replace_with = FrmFieldsHelper::get_display_value($replace_with, $field, $atts);
             }
             self::trigger_shortcode_atts($atts, $display, $args, $replace_with);
             $content = str_replace($shortcodes[0][$short_key], $replace_with, $content);
         }
     }
 }

 public static function get_var($table, $where = array(), $field = 'id', $args = array(), $limit = '', $type = 'var')
 {
     $group = '';
     self::get_group_and_table_name($table, $group);
     self::convert_options_to_array($args, '', $limit);
     $query = 'SELECT ' . $field . ' FROM ' . $table;
     if (is_array($where) || empty($where)) {
         // only separate into array values and query string if is array
         self::get_where_clause_and_values($where);
         global $wpdb;
         $query = $wpdb->prepare($query . $where['where'] . ' ' . implode(' ', $args), $where['values']);
     } else {
         /**
          * Allow the $where to be prepared before we recieve it here.
          * This is a fallback for reverse compatability, but is not recommended
          */
         _deprecated_argument('where', '2.0', __('Use the query in an array format so it can be properly prepared.', 'formidable'));
         $query .= $where . ' ' . implode(' ', $args);
     }
     $cache_key = str_replace(array(' ', ','), '_', trim(implode('_', FrmAppHelper::array_flatten($where)) . implode('_', $args) . $field . '_' . $type, ' WHERE'));
     $results = FrmAppHelper::check_cache($cache_key, $group, $query, 'get_' . $type);
     return $results;
 }

 public static function add_repeating_value_to_entry($field, &$entry)
 {
     // If field is in a repeating section
     if ($entry->form_id != $field->form_id) {
         // get entry ids linked through repeat field or embeded form
         $child_entries = FrmProEntry::get_sub_entries($entry->id, true);
         $val = FrmProEntryMetaHelper::get_sub_meta_values($child_entries, $field);
         if (!empty($val)) {
             //Flatten multi-dimensional arrays
             if (is_array($val)) {
                 $val = FrmAppHelper::array_flatten($val);
             }
             $entry->metas[$field->id] = $val;
         }
     } else {
         $val = '';
         FrmProEntriesHelper::get_dynamic_list_values($field, $entry, $val);
         $entry->metas[$field->id] = $val;
     }
 }

 private static function print_csv_row($rows)
 {
     $col_count = count($rows);
     $this_col = 0;
     foreach ($rows as $k => $row) {
         $this_col++;
         if (!isset(self::$headings[$k])) {
             // this column has been removed from the csv, so skip it
             continue;
         }
         if (is_array($row)) {
             // implode the repeated field values
             $row = implode(self::$separator, FrmAppHelper::array_flatten($row, 'reset'));
         }
         $val = self::encode_value($row);
         if (self::$line_break != 'return') {
             $val = str_replace(array("\r\n", "\r", "\n"), self::$line_break, $val);
         }
         echo '"' . $val . '"';
         if ($this_col != $col_count) {
             echo self::$column_separator;
         }
         unset($k, $row);
     }
     echo "\n";
 }

 /**
  * Flatten multi-dimensional array for multi-file upload fields
  * @since 2.0.9
  */
 public static function flatten_multi_file_upload($field, &$val)
 {
     if ($field->type == 'file' && FrmField::is_option_true($field, 'multiple')) {
         $val = FrmAppHelper::array_flatten($val);
     }
 }

 private static function print_csv_row($rows)
 {
     $sep = '';
     foreach (self::$headings as $k => $heading) {
         $row = isset($rows[$k]) ? $rows[$k] : '';
         if (is_array($row)) {
             // implode the repeated field values
             $row = implode(self::$separator, FrmAppHelper::array_flatten($row, 'reset'));
         }
         $val = self::encode_value($row);
         if (self::$line_break != 'return') {
             $val = str_replace(array("\r\n", "\r", "\n"), self::$line_break, $val);
         }
         echo $sep . '"' . $val . '"';
         $sep = self::$column_separator;
         unset($k, $row);
     }
     echo "\n";
 }

 /**
  * Get the associative array results for the given columns, table, and where query
  *
  * @since 2.02.05
  * @param string $columns
  * @param string $table
  * @param array $where
  * @return mixed
  */
 public static function get_associative_array_results($columns, $table, $where)
 {
     $group = '';
     self::get_group_and_table_name($table, $group);
     $query = self::generate_query_string_from_pieces($columns, $table, $where);
     $cache_key = str_replace(array(' ', ','), '_', trim(implode('_', FrmAppHelper::array_flatten($where)) . $columns . '_results_ARRAY_A', ' WHERE'));
     $results = FrmAppHelper::check_cache($cache_key, $group, $query, 'get_associative_results');
     return $results;
 }