Usage examples of the league uri template class

uri-template-basic-usage.php

<?php

use League\Uri\UriTemplate;

//$template is a string which complies to RFC6570
$template = 'https://example.com/hotels/{hotel}/bookings/{booking}';
$uriTemplate = new UriTemplate($template);

//$variables are the parameters that will be replaced in the template 
$variables = ['booking' => '42', 'hotel' => 'Rest & Relax'];

// the returned $uri is an League\Uri\Uri instance.
$uri = $uriTemplate->expand($variables);

echo $uri, PHP_EOL;
// https://example.com/hotels/Rest%20%26%20Relax/bookings/42

uri-template-with-default-variables-overwritten.php

<?php

use League\Uri\UriTemplate;
$template = 'https://api.twitter.com/{version}/search/{term:1}/{term}/{?q*,limit}';
$defaultVariables = ['version' => '1.1'];
$uriTemplate = new UriTemplate($template, $defaultVariables);

$params = [
    'term' => 'john',
    'q' => ['a', 'b'],
    'limit' => '10',
    'version' => '2.0',
];

echo $uriTemplate->expand($params), PHP_EOL;
// https://api.twitter.com/2.0/search/j/john/?q=a&q=b&limit=10
~~~

uri-template-with-default-variables.php

<?php

use League\Uri\UriTemplate;
$template = 'https://api.twitter.com/{version}/search/{term:1}/{term}/{?q*,limit}';
$defaultVariables = ['version' => '1.1'];
$uriTemplate = new UriTemplate($template, $defaultVariables);

$params = [
    'term' => 'john',
    'q' => ['a', 'b'],
    'limit' => '10',
];

echo $uriTemplate->expand($params), PHP_EOL;
// https://api.twitter.com/1.1/search/j/john/?q=a&q=b&limit=10