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---
layout: default
title: The Port component
redirect_from:
- /5.0/components/port/
---
# The Port component
The library provides a `Port` class to ease port manipulation.
## Creating a new object
~~~php
<?php
public Port::__construct(?int $content = null): void
~~~
<p class="message-warning">If the submitted value is not valid a <code>League\Uri\Components\Exception</code> exception is thrown.</p>
The `League\Uri\Components\Exception` extends PHP's SPL `InvalidArgumentException`.
## Properties and methods
This URI component object only exposes the [package common API](/components/1.0/api/).
## Usage
~~~php
<?php
use League\Uri\Components\Port;
$port = new Port(443);
$port->isNull(); //return false
$port->isEmpty(); //return false
$port->getContent(); //return (int) 443
$port->getContent(Port::RFC3986_ENCODING); //return (int) 443
$port->getContent(Port::RFC3987_ENCODING); //return (int) 443
$port->getContent(Port::NO_ENCODING); //return (int) 443
echo $port; //display '443'
echo $port->getUriComponent(); //display ':443'
$new_port = $port->withContent(null);
$new_port->isNull(); //return true
$new_port->isEmpty(); //return true
$new_port->getContent(); //return null
echo $new_port; //display ''
echo $new_port->getUriComponent(); //display ''
~~~
<p class="message-notice">The delimiter <code>:</code> is not part of the component value and <strong>must not</strong> be added.</p>
<p class="message-warning">If the submitted value is not valid a <code>League\Uri\Components\Exception</code> exception is thrown.</p>
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