Exports a certificate to file openssl_x509_checkpurpose openssl_x509_export OpenSSL Functions PHP Manual openssl_x509_export_to_file (PHP 4 >= 4.2.0, PHP 5)openssl_x509_export_to_file — Exports a certificate to file Description bool openssl_x509_export_to_file ( mixed $x509 , string $outfilename [, bool $notext ] ) openssl_x509_export_to_file() stores x509 into a file named by outfilename in a PEM encoded format. Parameters x509 outfilename Path to the output file. notext The optional parameter notext affects the verbosity of the output; if it is FALSE, then additional human-readable information is included in the output. The default value of notext is TRUE. Return Values Returns TRUE on success or FALSE on failure. openssl_x509_checkpurpose openssl_x509_export OpenSSL Functions PHP Manual