src/Structures/Buffer.php
public function offsetUnset($index)
    {
        if (isset($this->data[$index])) {
            $this->data = substr_replace($this->data, null, $index, 1);
        }
    }
public function offsetUnset($index)
    {
        if (isset($this->data[$index])) {
            $this->data = substr_replace($this->data, null, $index, 1);
        }
    }
Removes the character at the given index from the buffer.

@param int $index