getprotobyname
    (PHP 4 )
getprotobyname -- 
     Get protocol number associated with protocol name
    
Description
int 
getprotobyname ( string name)
     getprotobyname() returns the protocol number
     associated with the protocol name as per
     /etc/protocols.
    
     
Example 1. getprotobyname() example <?php
$protocol = 'tcp';
$get_prot = getprotobyname($protocol);
if ( $get_prot == -1 ) {
    // if nothing found, returns -1
    print 'Invalid Protocol';
} else {
    print 'Protocol #'.$get_prot;
}
?> |  
  | 
    
     See also: getprotobynumber().