Online PHP editor | output for IT2fo

@ 2019-02-17T17:02:35Z

<?php

function build_external_url(string $host, string $path = null, array $query = [], string $schema = null, int $port = null): string
{                                                                                
    $url = $host;                                                                
    if (null !== $port) {                                                     
        $url .= ':' . $port;                                                  
    }                                                                         
    if (null !== $path) {                                                        
        $url .= '/' . ltrim($path, '/');                                      
    }                                                                         
    if (! empty($query)) {                                                    
        $url .= '?' . http_build_query($query);                               
    }                                                                         
    return (null === $schema ? $url : ($schema . '://' . $url));               
}                                                                             

$tests = [
    [ 'foo.co' ],
    [ 'foo.co', '/bar' ],
    [ 'foo.co', 'bar', [ 'x' => 'baz' ]],
    [ 'foo.co', 'bar', [], 'ftp' ],
    [ 'foo.co', 'bar', ['email' => 'me@foo.co'], 'ftp', '24225'],
];
foreach ($tests as $args) {
    echo build_external_url(...$args) . PHP_EOL;
}

Output for 8.4.1 - 8.4.12: Deprecated: build_external_url(): Implicitly marking parameter $path as nullable is deprecated, the explicit nullable type must be used instead in /in/IT2fo on line 3 Deprecated: build_external_url(): Implicitly marking parameter $schema as nullable is deprecated, the explicit nullable type must be used instead in /in/IT2fo on line 3 Deprecated: build_external_url(): Implicitly marking parameter $port as nullable is deprecated, the explicit nullable type must be used instead in /in/IT2fo on line 3 foo.co foo.co/bar foo.co/bar?x=baz ftp://foo.co/bar ftp://foo.co:24225/bar?email=me%40foo.co
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25: foo.co foo.co/bar foo.co/bar?x=baz ftp://foo.co/bar ftp://foo.co:24225/bar?email=me%40foo.co

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