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@ 2018-10-30T23:56:39Z

<?php
$bbcodes = [
    'Look at this:https://www.example.com/example?ohyeah=sure#okay this is a raw link',
    'No attibute bbcode url: [url]http://example.com/x1[/url]',
    'A url with link and link text: [url=http://example.com/x2]x2[/url]',
    'Image with "ignorable" text: [IMG=sumpthing.jpg]sumpthing[/IMG]',
    'Image: [img=sumpinelse][/img]'
];

$search = array (
    // ...
    '~\[url=((?:ht|f)tps?://[a-z\d.-]+\.[a-z]{2,3}/\S*?)](.*?)\[/url]~i',
    '~\[url]((?:ht|f)tps?://[a-z\d.-]+\.[a-z]{2,3}/\S*?)\[/url]~i',
    // ...
    '~\[img=(.*?)].*?\[/img]~i',  // if you want the possibility of dot matching newlines, add s pattern modifier
    // ...
    '~(?:<a.*?</a>|<img.*?</img>)(*SKIP)(*FAIL)|\bhttps?://.+?(?=\s|$)~im'  // mop up any remaining links that are not bbtagged
);
$replace = array (
    // ...
    '<a href="$1" target="_blank">$2</a>',
    '<a href="$1" target="_blank">$1</a>',
    // ...
    '<img src="$1"></img>',
    // ...
    '<a href="$0" target="_blank">$0</a>',
);
var_export(preg_replace($search, $replace, $bbcodes));

Output for git.master_jit, git.master, rfc.property-hooks: array ( 0 => 'Look at this:<a href="https://www.example.com/example?ohyeah=sure#okay" target="_blank">https://www.example.com/example?ohyeah=sure#okay</a> this is a raw link', 1 => 'No attibute bbcode url: <a href="http://example.com/x1" target="_blank">http://example.com/x1</a>', 2 => 'A url with link and link text: <a href="http://example.com/x2" target="_blank">x2</a>', 3 => 'Image with "ignorable" text: <img src="sumpthing.jpg"></img>', 4 => 'Image: <img src="sumpinelse"></img>', )

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2022-12-01 RFC: Property hooks - included in PHP 8.4
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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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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