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<?php $text = "[[Some text]] and [[one more here]]"; echo preg_replace_callback("/\[\[(.+?)]]/", function($m) { return '<a href="/XLab/?document=' . str_replace(' ', '_', $m[1]) . '">' . $m[1] . '</a>'; }, $text);
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.4, 8.3.6 - 8.3.7
<a href="/XLab/?document=Some_text">Some text</a> and <a href="/XLab/?document=one_more_here">one more here</a>
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 <a href="/XLab/?document=Some_text">Some text</a> and <a href="/XLab/?document=one_more_here">one more here</a>

preferences:
124.94 ms | 402 KiB | 182 Q