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<?php /* <_link>user://1|Team GB <a href="user/1">Team GB</a> <_link>tag://FridayBeers|#FridayBeers <a href="tags/FridayBeers">#FridayBeers</a> */ $pattern = "~\<_link\>((user)\://(?<userId>\d+)|(tag)\://(?<tagLink>[a-zA-Z]+\|#(?<tagTitle>[a-zA-Z]+)~"; $string = "<_link>user://1|Team GB and <_link>tag://FridayBeers|#FridayBeers"; preg_replace_callback($pattern, $string, function() use ($match) { var_dump($match); });
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined variable $match in /in/v2so2 on line 14 Fatal error: Uncaught TypeError: preg_replace_callback(): Argument #2 ($callback) must be a valid callback, function "<_link>user://1|Team GB and <_link>tag://FridayBeers|#FridayBeers" not found or invalid function name in /in/v2so2:14 Stack trace: #0 /in/v2so2(14): preg_replace_callback('~\\<_link\\>((use...', '<_link>user://1...', Object(Closure)) #1 {main} thrown in /in/v2so2 on line 14
Process exited with code 255.

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