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Network Functions

checkdnsrr closelog dns_check_record dns_get_mx dns_get_record fsockopen gethostbyaddr gethostbyname gethostbynamel gethostname getmxrr getprotobyname getprotobynumber getservbyname getservbyport header header_register_callback header_remove headers_list headers_sent http_response_code inet_ntop inet_pton ip2long long2ip net_get_interfaces openlog pfsockopen setcookie setrawcookie socket_get_status socket_set_blocking socket_set_timeout syslog

getservbyname

Logo symfony/var-dumper symfony/var-dumper
Supported Versions: PHP 4, PHP 5, PHP 7, PHP 8
Get port number associated with an Internet service and protocol
<?php getservbyname(string $service, string $protocol): int|false