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PHP function to sanitize youtube url to id

This is the code function sanitize_youtube_url_to_id($arg){ if(strpos($arg,'youtube.com/embed')!==false){ $auxa = explode('/','youtube.com/embed/'); if($auxa[1]){ return $auxa[1]; } } if(strpos($arg,'youtube.com')!==false || strpos($arg,'youtu.be')!==false ){ if(DZSHelpers::get_query_arg($arg,'v')){ return DZSHelpers::get_query_arg($arg,'v'); } if(strpos($arg,'youtu.be')!==false){ $auxa = explode('/','youtube.com/embed/'); $arg = $auxa[count($auxa)-1]; } } return arg; }  
Global variables should be used restrictively - a way to resolve

If you need to use global variables restrictively and do not crowd the global variable namespace, you can have a single object. A way to get around this is just find and replace all entries of the variables, and convert them in the object   Find \$qucreative_([a-z|_]*?)( |=|,|\)|\!|\[|\.|-|;) and replace with \$qucreative_theme_data['$1']$2   regex you

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Match lines with comments in them

The regex should be (\/\/).*$ If you have a way to mark your useful comments. Like I have — to mark them, you can use it in the negative lookahead ( to filter only the unuseful comment ) (\/\/)(?! –) You can use this in IDE such as PHPSTORM
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{"type":"darkfull"}