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In order to install a user script for your Wikipedia account, add the following line to Special:MyPage/common.js or Special:MyPage/skin.js: {{subst:lusc|script_path}} Replace script_path with the full .js page name of the user script to be installed. The template must be substituted (subst:), or else it won't work. Bypass your cache after ...
Replacing EDIT_SUMMARY_HERE with the desired edit summary (keep the quotes around the summary; if you want actual quotes in the summary write them as \") and TAG_TO_ADD_HERE with the tag you want to add to the top of the page (again keep the quotes around the summary and the \r\n after it).
PHP generally follows C syntax, with exceptions and enhancements for its main use in web development, which makes heavy use of string manipulation. PHP variables must be prefixed by "$". This allows PHP to perform string interpolation in double quoted strings, where backslash is supported as an escape character.
String interpolation, like string concatenation, may lead to security problems. If user input data is improperly escaped or filtered, the system will be exposed to SQL injection, script injection, XML external entity (XXE) injection, and cross-site scripting (XSS) attacks. [4] An SQL injection example: query = "SELECT x, y, z FROM Table WHERE ...
As of 21 January 2025 (two months after PHP 8.4's release), PHP is used as the server-side programming language on 75.0% of websites where the language could be determined; PHP 7 is the most used version of the language with 47.1% of websites using PHP being on that version, while 40.6% use PHP 8, 12.2% use PHP 5 and 0.1% use PHP 4.
Starting out, it may be easier to modify an existing script to do what you want, rather than create a new script from scratch. This is called "forking". To do this, copy the script to a subpage, ending in ".js", [n. 1] of your user page. Then, install the new page like a normal user script.
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The filters provide some treatments on an expression, when placed after it, separated by pipes. For example: [6] capitalize: changes a string's first letter to capital. upper: changes a whole string to capital. first: displays the first line of an array. length: returns a variable size.