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Language and development rules: Difference between revisions
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*Usage of PHP superglobals variables must use the dedicated operators $_COOKIES, $_SERVER, $_ENV but use the Dolibarr function GETPOST() to get the contents of $_GET or $_POST.. | *Usage of PHP superglobals variables must use the dedicated operators $_COOKIES, $_SERVER, $_ENV but use the Dolibarr function GETPOST() to get the contents of $_GET or $_POST.. | ||
Other operators ($HTTP_SERVER_GET, ...) are now deprecated in PHP, so they must not be used. Code must work if option '''register_long_arrays''' is set to off. | * Other operators ($HTTP_SERVER_GET, ...) are now deprecated in PHP, so they must not be used. Code must work if option '''register_long_arrays''' is set to off. Moreover, the code must work when PHP option '''register_globals''' is off (recommended by PHP). It must also work the if the option '''register_globals''' is on (by default on a lot of installations). | ||
Moreover, the code must work when PHP option '''register_globals''' is off (recommended by PHP). It must also work the if the option '''register_globals''' is on (by default on a lot of installations). | |||
*Do not use '''PHP_SELF'''. Use instead $_SERVER["PHP_SELF"]. Also, Dolibarr framework sanitizes content of $_SERVER["PHP_SELF"] variable (into main.inc.php file, before any business code). | *Do not use '''<s>PHP_SELF</s>'''. Use instead '''$_SERVER["PHP_SELF"]'''. Also, Dolibarr framework sanitizes content of $_SERVER["PHP_SELF"] variable (into main.inc.php file, before any business code). | ||
*When several variables must be initialized with the same value, you must use individual declarations (separated by ;) | *When several variables must be initialized with the same value, you must use individual declarations (separated by ;) | ||