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<?php var_dump(get_headers('http://www.computer.org/csdl/proceedings/icde/2011/8959/00/05767935-abs.html'));
Output for git.master, git.master_jit, rfc.property-hooks
Warning: get_headers(): php_network_getaddresses: getaddrinfo for www.computer.org failed: System error in /in/juTLR on line 4 Warning: get_headers(http://www.computer.org/csdl/proceedings/icde/2011/8959/00/05767935-abs.html): Failed to open stream: php_network_getaddresses: getaddrinfo for www.computer.org failed: System error in /in/juTLR on line 4 bool(false)

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