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Implement XRefStm handling in PDFUtilFnc #126

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Implement XRefStm handling in PDFUtilFnc #126

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10 changes: 10 additions & 0 deletions src/PDFUtilFnc.php
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Original file line number Diff line number Diff line change
Expand Up @@ -347,6 +347,16 @@ public static function get_xref_1_4(&$_buffer, $xref_pos, $depth = null) {

// Get the trailer object
$trailer_obj = PDFUtilFnc::get_trailer($_buffer, $trailer_pos);
if (isset($trailer_obj['XRefStm'])) {
$xrefstm_pos = $trailer_obj['XRefStm']->get_int();
[ $xrefstm_table ] = PDFUtilFnc::get_xref_1_5($_buffer, $xrefstm_pos, $depth);

foreach ($xrefstm_table as $oid => $val) {
if (!isset($xref_table[$oid])) {
$xref_table[$oid] = $val;
}
}
}

// If there exists a previous xref (for incremental PDFs), get it and merge the objects that do not exist in the current xref table
if (isset($trailer_obj['Prev'])) {
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