constant PRINT_PDF_PDF_TOOL_DEFAULT in Printer, email and PDF versions 5.3

print_pdf_controller in print_pdf/print_pdf.pages.inc

Generate a PDF version of the printer-friendly page

print_pdf_link_allowed in print_pdf/print_pdf.module

Determine a the link to the PDF version is allowed depending on all possible settings

print_pdf_requirements in print_pdf/print_pdf.module

Implementation of hook_requirements().

print_pdf_settings in print_pdf/print_pdf.admin.inc

Menu callback for the PDF version module settings form.

_print_pdf_dompdf in print_pdf/print_pdf.pages.inc

Generate the PDF file using the dompdf library

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