PHP | IntlChar getPropertyName() Function

PHP | getprotobyname() Function

Last Updated : 03 Sep, 2019

The getprotobyname() function is an inbuilt function in PHP which returns the protocol number for a specified protocol name. Syntax:

int getprotobyname( string $name )

Parameters: This function accepts single parameter $name which is required. It specifies the protocol name, like tcp, icmp, udp, ip etc. Return Value: This function returns the protocol number on success and FALSE on failure. Note: This function is available for PHP 4.0.0 and newer version. Below programs illustrate the getprotobyname() function in PHP: Program 1: This program gets the protocol number for protocol name "tcp".

php

<?php

// Use getprotobyname() function to 
// get the protocol number
$protocolnum = getprotobyname("tcp");

// Display the result
echo $protocolnum;

?>

Output:

Program 2: This program checking the many protocols name.

php

<?php

$protocols = array("tcp", "udp", "hmp", "ipv6");

foreach( $protocols as $protocol ){
    
    // Use getprotobyname() function to 
    // get the protocol number
    $protocol_name = getprotobyname($protocol);
    
    // Display the result
    echo $protocol_name . ": " . $protocol . "<br>";
}
?>

Output:

6: tcp
17: udp
20: hmp
41: ipv6

Reference: https://www.php.net/manual/en/function.getprotobyname.php

PHP | IntlChar getPropertyName() Function

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