apache_response_headers Fetch all HTTP response headers &reftitle.description; arrayfalseapache_response_headers Fetch all HTTP response headers. Works in the Apache, FastCGI, CLI, and FPM webservers. &reftitle.parameters; &no.function.parameters; &reftitle.returnvalues; An array of all Apache response headers on success&return.falseforfailure;. &reftitle.examples; <function>apache_response_headers</function> example ]]> &example.outputs.similar; bytes [X-Powered-By] => PHP/4.3.8 ) ]]> &reftitle.seealso; apache_request_headers headers_sent headers_list