roundcubemail/plugins/managesieve/lib/Roundcube/rcube_sieve_script.php
public function unset_var($name)
    {
        // Check if variable exists
        foreach ($this->vars as $idx => $var) {
            if ($var['name'] == $name) {
                unset($this->vars[$idx]);
                break;
            }
        }
    }
public function unset_var($name)
    {
        // Check if variable exists
        foreach ($this->vars as $idx => $var) {
            if ($var['name'] == $name) {
                unset($this->vars[$idx]);
                break;
            }
        }
    }
public function unset_var ( $ name ) { // Check if variable exists foreach ( $ this -> vars as $ idx => $ var ) { if ( $ var [ 'name' ] == $ name ) { unset ( $ this -> vars [ $ idx ] ) ; break ; } } }
Unsets "global" variable

@param string $name  Variable name
Unsets global variable