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@ 2014-07-15T12:32:24Z

<?php

$expr = '!
^
    (?:
        (?P<scheme> [a-z][a-z0-9.]* )
        :
    )?
    (?:
        //
        (?<authority>
            (?:
                (?P<user> [^:@]+ )
                (?:
                    :
                    (?P<pass> [^@]+ )
                )?
                @
            )?
            (?P<host> [^:/]+ )
            (?:
                :
                (?P<port> [0-9]+ )
            )?
        )
    )?
    (?P<path> /[^?#]+ )?
    (?:
        \?
        (?P<query> [^#]+ )
    )?
    (?:
        #
        (?P<fragment> .+ )
    )?
$
!ix';

$urls = [
    'http://host.com/path',
    'http://user@host.com/path',
    'http://user:pass@host.com/path',
    'http://user:pass@host.com:8080/path',
    '//user:pass@host.com:8080/path',
    'http://user:pass@host.com:8080/path?query#fragment',
];

foreach ($urls as $str) {
    echo "$str\n";
    preg_match($expr, $str, $matches);

    foreach ($matches as $key => $match) {
        if (!is_int($key) && $match !== '') {
            echo "  $key: $match\n";
        }
    }

    echo "\n";
}

Output for git.master, git.master_jit, rfc.property-hooks: http://host.com/path scheme: http authority: host.com host: host.com path: /path http://user@host.com/path scheme: http authority: user@host.com user: user host: host.com path: /path http://user:pass@host.com/path scheme: http authority: user:pass@host.com user: user pass: pass host: host.com path: /path http://user:pass@host.com:8080/path scheme: http authority: user:pass@host.com:8080 user: user pass: pass host: host.com port: 8080 path: /path //user:pass@host.com:8080/path authority: user:pass@host.com:8080 user: user pass: pass host: host.com port: 8080 path: /path http://user:pass@host.com:8080/path?query#fragment scheme: http authority: user:pass@host.com:8080 user: user pass: pass host: host.com port: 8080 path: /path query: query fragment: #fragment

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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