php man page for xdiff_string_bdiff_size

XDIFF_STRING_BDIFF_SIZE(3)						 1						XDIFF_STRING_BDIFF_SIZE(3)

xdiff_string_bdiff_size - Read a size of file created by applying a binary diff

SYNOPSIS
       int xdiff_string_bdiff_size (string  $patch)

DESCRIPTION
	Returns a size of a result file that would be created after applying binary $patch to the original file.

PARAMETERS
	      o $patch
		- The binary patch created by xdiff_string_bdiff(3) or xdiff_string_rabdiff(3) function.

RETURN VALUES
	Returns the size of file that would be created.

EXAMPLES
       Example #1

	      xdiff_string_bdiff_size(3) example

	       The following code applies reads a size of file that would be created after applying a binary diff.

	      <?php
	      $binary_patch = file_get_contents('file.bdiff');
	      $length = xdiff_string_bdiff_size($binary_patch);
	      echo "Resulting file will be $length bytes long";
	      ?>

SEE ALSO
       xdiff_string_bdiff(3), xdiff_string_rabdiff(3), xdiff_string_bpatch(3).

PHP Documentation Group 												XDIFF_STRING_BDIFF_SIZE(3)