variable_del

• Drupal 4.6
• Drupal 4.7
• Drupal 5
• Drupal 6
• Drupal 7

• View documentation
• List references

Definition

variable_del($name)
includes/bootstrap.inc, line 539

Description

Unset a persistent variable.

Parameters

$name The name of the variable to undefine.

Code

<?php
function variable_del($name) {
  global $conf;

  db_query("DELETE FROM {variable} WHERE name = '%s'", $name);
  cache_clear_all('variables', 'cache');

  unset($conf[$name]);
}
?>