openssl_x509_export

(PHP 4 >= 4.2.0, PHP 5, PHP 7)

openssl_x509_export — Exports a certificate as a string

bool openssl_x509_export ( mixed $x509 , string &$output [, bool $notext = TRUE ] )

openssl_x509_export() stores x509 into a string named by output in a PEM encoded format.

x509: See Key/Certificate parameters for a list of valid values.
output: On success, this will hold the PEM.
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.

Returns TRUE on success or FALSE on failure.