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<?php $patternCallbacks = [ '~\[code](.*?)\[/code]~is' => function($m) { return '[code]' . base64_encode($m[1]) . '[/code]'; }, ]; echo preg_replace_callback_array( $patternCallbacks, 'This is my [code]script[/code] to display' );
Output for rfc.property-hooks, git.master, git.master_jit
This is my [code]c2NyaXB0[/code] to display

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