lib/MultiIniModifier.php
public function removeValue($name, $section = 0, $key = null, $removePreviousComment = true)
    {
        if ($this->master instanceof IniModifierInterface) {
            $this->master->removeValue($name, $section, $key, $removePreviousComment);
        }
        $this->overrider->removeValue($name, $section, $key, $removePreviousComment);
    }
public function removeValue($name, $section = 0, $key = null, $removePreviousComment = true)
    {
        if ($this->master instanceof IniModifierInterface) {
            $this->master->removeValue($name, $section, $key, $removePreviousComment);
        }
        $this->overrider->removeValue($name, $section, $key, $removePreviousComment);
    }
remove an option from the two ini file.

It can remove an entire section if you give an empty value as $name,
and a $section name. (deprecated behavior, see removeSection())


@param string $name                  the name of the option to remove, or null to remove an entire section
@param string $section               the section where to remove the value, or the section to remove
@param int    $key                   for option which is an item of array, the key in the array
@param bool   $removePreviousComment if a comment is before the value, if true, it removes also the comment