WordPress at a glance
function is not described

Text_Diff_Renderer_inline::_blockHeader() public WP 1.0

{} It's a method of the class: Text_Diff_Renderer_inline{}

No Hooks.

Return

Null. Nothing.

Usage

$Text_Diff_Renderer_inline = new Text_Diff_Renderer_inline();
$Text_Diff_Renderer_inline->_blockHeader( $xbeg, $xlen, $ybeg, $ylen );

Code of Text_Diff_Renderer_inline::_blockHeader() WP 5.5.3

<?php
function _blockHeader($xbeg, $xlen, $ybeg, $ylen)
{
    return $this->_block_header;
}