| public substrToken ( integer $stackPtr, integer $start, integer $length = null ) : boolean | ||
| $stackPtr | integer | The position of the token in the token stack. |
| $start | integer | The first character to keep. |
| $length | integer | The number of chacters to keep. If NULL, the content of the token from $start to the end of the content is kept. |
| return | boolean | If the change was accepted. |
public function substrToken($stackPtr, $start, $length = null)
{
$current = $this->getTokenContent($stackPtr);
if ($length === null) {
$newContent = substr($current, $start);
} else {
$newContent = substr($current, $start, $length);
}
return $this->replaceToken($stackPtr, $newContent);
}