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<?php $timeout = 5; $fp = fsockopen("www.ndesignwebagency.com/immagini/web-agency.jpg", 80, $errno, $errstr, $timeout); if ($fp) { print_r("ciao"); }
based on fhRAP
Output for 5.2.6 - 5.4.38, 5.5.24 - 5.5.32, 5.5.34 - 5.6.17, 5.6.20 - 7.0.3, 7.0.5 - 7.1.0
Warning: fsockopen(): php_network_getaddresses: getaddrinfo failed: Name or service not known in /in/YGrH7 on line 4 Warning: fsockopen(): unable to connect to www.ndesignwebagency.com/immagini/web-agency.jpg:80 (php_network_getaddresses: getaddrinfo failed: Name or service not known) in /in/YGrH7 on line 4
Output for 5.4.39 - 5.4.45, 5.5.33, 5.6.18 - 5.6.19, 7.0.4
Warning: fsockopen(): php_network_getaddresses: getaddrinfo failed: System error in /in/YGrH7 on line 4 Warning: fsockopen(): unable to connect to www.ndesignwebagency.com/immagini/web-agency.jpg:80 (php_network_getaddresses: getaddrinfo failed: System error) in /in/YGrH7 on line 4
Output for 5.0.3 - 5.2.5
Warning: fsockopen(): php_network_getaddresses: getaddrinfo failed: Name or service not known in /in/YGrH7 on line 4 Warning: fsockopen(): unable to connect to www.ndesignwebagency.com/immagini/web-agency.jpg:80 (Unknown error) in /in/YGrH7 on line 4
Output for 5.0.0 - 5.0.2
Warning: fsockopen(): php_network_getaddresses: gethostbyname failed in /in/YGrH7 on line 4 Warning: fsockopen(): unable to connect to www.ndesignwebagency.com/immagini/web-agency.jpg:80 (Unknown error) in /in/YGrH7 on line 4
Output for 4.3.3 - 4.3.4, 4.3.10 - 4.4.9
Warning: fsockopen(): php_network_getaddresses: getaddrinfo failed: Name or service not known in /in/YGrH7 on line 4 Warning: fsockopen(): unable to connect to www.ndesignwebagency.com/immagini/web-agency.jpg:80 in /in/YGrH7 on line 4
Output for 4.3.5 - 4.3.9
Warning: fsockopen(): php_network_getaddresses: gethostbyname failed in /in/YGrH7 on line 4 Warning: fsockopen(): unable to connect to www.ndesignwebagency.com/immagini/web-agency.jpg:80 in /in/YGrH7 on line 4
Output for 4.3.2
Warning: fsockopen(): php_network_getaddresses: getaddrinfo failed: Name or service not known (is your IPV6 configuration correct? If this error happens all the time, try reconfiguring PHP using --disable-ipv6 option to configure) in /in/YGrH7 on line 4 Warning: fsockopen(): unable to connect to www.ndesignwebagency.com/immagini/web-agency.jpg:80 in /in/YGrH7 on line 4
Output for 4.3.0 - 4.3.1

Process exited with code 139.