PKI Tutorials - Herong's Tutorial Examples - v2.20, by Dr. Herong Yang
PHP Scripts Communicating with HTTPS Servers
This chapter provides tutorial notes and example codes on writing PHP scripts communicating with HTTPS servers. Topics include configuring the OpenSSL module; using file_get_contents() and fopen() functions with OpenSSL; setting 'verify_peer' SSL context option to verify server's certificates; concatenating multiple CA certificates in a single PEM file.
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