function block_inject_process_condition in Block Inject 7

Helper function to process the condition for an injection.

Parameters

$node_type: The node type

$body: The node body

Return value

bool|int False if no condition, or the number of paragraphs to offset.*

3 calls to block_inject_process_condition()

block_inject_do_injection in ./block_inject.module

Helper function that prepares and calls the injection on a node.

block_inject_exceptions_list in ./block_inject.admin.inc

Callback for the Block Inject Exceptions page.

block_inject_form_node_form_alter in ./block_inject.module

Implements hook_form_FORM-ID_alter().

File

./block_inject.module, line 811

The Block Inject module functions.

Code

function block_inject_process_condition($node_type, $body) {

  // Get injectable region ID.
  $id = block_inject_find_bi_id($node_type);

  // Get the injectable region.
  $region = block_inject_get_region_by_id($id->id);
  if ($region->bi_condition) {

    // Get condition information.
    $condition = unserialize($region->bi_condition);
    $operator = $condition['condition']['operator'];
    $compare_to = $condition['condition']['paragraph_no'];
    $action_offset = $condition['action']['offset'];

    // Break up the body field string into an array of paragraphs.
    $array_explode = explode("<p>", render($body));
    if ($array_explode[0] === "") {
      unset($array_explode[0]);
    }

    // Count the body paragraphs.
    $body_paragraphs = count($array_explode);

    // Process condition.
    switch ($operator) {
      case '=':
        if ($body_paragraphs = $compare_to) {
          return $action_offset;
        }
        break;
      case '>':
        if ($body_paragraphs > $compare_to) {
          return $action_offset;
        }
        break;
      case '<':
        if ($body_paragraphs < $compare_to) {
          return $action_offset;
        }
        break;
    }
  }
  return FALSE;
}