PDF_scalePHP ManualPrevNextPDF_scalePDF_scale -- Sets scalingDescriptionvoid pdf_scale(int pdf document, double x-scale, double y-scale); The PDF_scale() function sets the scaling factor in both directions. The following example scales x and y direction by 72. The following line will therefore be drawn one inch in both directions. Example 1. Scaling 1  2 <?php PDF_scale($pdf, 72.0, 72.0); 3 PDF_lineto($pdf, 1, 1); 4 PDF_stroke($pdf); 5 ?> 6 PrevHomeNextPDF_translateUpPDF_rotate