PDF_CONCAT(3) 1 PDF_CONCAT(3) PDF_concat - Concatenate a matrix to the CTMSYNOPSISbool PDF_concat (resource $p, float $a, float $b, float $c, float $d, float $e, float $f)DESCRIPTIONConcatenates a matrix to the current transformation matrix (CTM). Returns TRUE on success or FALSE on failure. PHP Documentation Group PDF_CONCAT(3)