debug($data, $label = NULL, $print_r = TRUE)
Outputs debug information.
The debug information is passed on to trigger_error() after being converted to a string using _drupal_debug_message().
Parameters
$data: Data to be output.
$label: Label to prefix the data.
$print_r: Flag to switch between print_r() and var_export() for data conversion to string. Set $print_r to FALSE to use var_export() instead of print_r(). Passing recursive data structures to var_export() will generate an error.
File
- core/includes/common.inc, line 1178
- Common functions that many Drupal modules will need to reference.
Code
function debug($data, $label = NULL, $print_r = TRUE) { // Print $data contents to string. $string = Html::escape($print_r ? print_r($data, TRUE) : var_export($data, TRUE)); // Display values with pre-formatting to increase readability. $string = '<pre>' . $string . '</pre>'; trigger_error(trim($label ? "$label: $string" : $string)); }
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