_drupal_get_last_caller
function _drupal_get_last_caller
_drupal_get_last_caller($backtrace)
Gets the last caller from a backtrace.
Parameters
$backtrace: A standard PHP backtrace.
Return value
An associative array with keys 'file', 'line' and 'function'.
File
- includes/errors.inc, line 269
- Functions for error handling.
Code
function _drupal_get_last_caller($backtrace) { // Errors that occur inside PHP internal functions do not generate // information about file and line. Ignore black listed functions. $blacklist = array('debug', '_drupal_error_handler', '_drupal_exception_handler'); while (($backtrace && !isset($backtrace[0]['line'])) || (isset($backtrace[1]['function']) && in_array($backtrace[1]['function'], $blacklist))) { array_shift($backtrace); } // The first trace is the call itself. // It gives us the line and the file of the last call. $call = $backtrace[0]; // The second call give us the function where the call originated. if (isset($backtrace[1])) { if (isset($backtrace[1]['class'])) { $call['function'] = $backtrace[1]['class'] . $backtrace[1]['type'] . $backtrace[1]['function'] . '()'; } else { $call['function'] = $backtrace[1]['function'] . '()'; } } else { $call['function'] = 'main()'; } return $call; }
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Licensed under the GNU General Public License, version 2 and later.
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https://api.drupal.org/api/drupal/includes!errors.inc/function/_drupal_get_last_caller/7.x