{"id":11100,"date":"2022-09-26T03:28:59","date_gmt":"2022-09-25T21:58:59","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-what-effect-does-this-code-in-php-closed\/"},"modified":"2022-09-26T03:28:59","modified_gmt":"2022-09-25T21:58:59","slug":"solved-what-effect-does-this-code-in-php-closed","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-what-effect-does-this-code-in-php-closed\/","title":{"rendered":"[Solved] What effect does this code in PHP? [closed]"},"content":{"rendered":"

[ad_1]
\n<\/p>\n

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\n
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As you pasted it in one liner<\/p>\n

<?php\nsession_name('MoodleSession'.$CFG->sessioncookie); \/\/\u8bbe\u7f6e\u5f53\u524dsession\u540d\u79f0\u4e3aMoodleSession \/* * *\/ if (check_php_version('5.2.0')) { session_set_cookie_params(0, $CFG->sessioncookiepath, $CFG->sessioncookiedomain, $CFG->cookiesecure, $CFG->cookiehttponly); } else { session_set_cookie_params(0, $CFG->sessioncookiepath, $CFG->sessioncookiedomain, $CFG->cookiesecure); }\n<\/code><\/pre>\n
the only executed function would be session_name('MoodleSession'.$CFG->sessioncookie);<\/code> because you are commenting the rest of the line with a \/\/<\/code><\/p>\n
What does this piece of code?<\/p>\n
<?php\n@session_start();\n<\/code><\/pre>\n
If you prepend a piece of code in PHP with an @, the PHP interpreter will not throw any warnings, which is a bad practice and error prone<\/strong>.<\/p>\n
session_start()<\/code><\/a> as defined by http:\/\/php.net\/<\/a>:<\/p>\n
\n
session_start() creates a session or resumes the current one based on
\n  a session identifier passed via a GET or POST request, or passed via a
\n  cookie.<\/p>\n
When session_start() is called or when a session auto starts, PHP will
\n  call the open and read session save handlers. These will either be a
\n  built-in save handler provided by default or by PHP extensions (such
\n  as SQLite or Memcached); or can be custom handler as defined by
\n  session_set_save_handler(). The read callback will retrieve any
\n  existing session data (stored in a special serialized format) and will
\n  be unserialized and used to automatically populate the $_SESSION
\n  superglobal when the read callback returns the saved session data back
\n  to PHP session handling.<\/p>\n<\/blockquote>\n
If you need more info I can update my answer. Maybe you should paste your code better, I think you have it bad formatted.<\/p>\n
UPDATE:<\/strong><\/p>\n
Okay, saw your new code \ud83d\ude1b<\/p>\n
As my previous statement about @session_start()<\/code> stands, your code just updates a session name to \"MoodleSession\"<\/code> plus the value of $CFG->sessioncookie<\/code>.<\/p>\n
The middle part<\/p>\n
if (check_php_version('5.2.0')) {\n    session_set_cookie_params(0, $CFG->sessioncookiepath, $CFG->sessioncookiedomain, $CFG->cookiesecure, $CFG->cookiehttponly);\n} else {\n    session_set_cookie_params(0, $CFG->sessioncookiepath, $CFG->sessioncookiedomain, $CFG->cookiesecure);\n}\n<\/code><\/pre>\n
checks the PHP version. According to the changelog<\/a> of session_set_cookie_params()<\/a>, a httponly<\/code> parameter was added, so in case of running the PHP 5.2 version, it will execute session_set_cookie_params with the extra parameter.<\/p>\n<\/p><\/div>\n
<\/div>\n<\/div>\n
            <\/span> <\/p><\/div>\n<\/div>\n
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solved What effect does this code in PHP? [closed] <\/p>\n","protected":false},"excerpt":{"rendered":"
[ad_1] As you pasted it in one liner <?php session_name(‘MoodleSession’.$CFG->sessioncookie); \/\/\u8bbe\u7f6e\u5f53\u524dsession\u540d\u79f0\u4e3aMoodleSession \/* * *\/ if (check_php_version(‘5.2.0’)) { session_set_cookie_params(0, $CFG->sessioncookiepath, $CFG->sessioncookiedomain, $CFG->cookiesecure, $CFG->cookiehttponly); } else { session_set_cookie_params(0, $CFG->sessioncookiepath, $CFG->sessioncookiedomain, $CFG->cookiesecure); } the only executed function would be session_name(‘MoodleSession’.$CFG->sessioncookie); because you are commenting the rest of the line with a \/\/ What does this piece of code? … Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[320],"tags":[339],"class_list":["post-11100","post","type-post","status-publish","format-standard","hentry","category-solved","tag-php"],"yoast_head":"\n[Solved] What effect does this code in PHP? [closed] - JassWeb<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/jassweb.com\/solved\/solved-what-effect-does-this-code-in-php-closed\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] What effect does this code in PHP? [closed] - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] As you pasted it in one liner <?php session_name('MoodleSession'.$CFG->sessioncookie); \/\/\u8bbe\u7f6e\u5f53\u524dsession\u540d\u79f0\u4e3aMoodleSession \/* * *\/ if (check_php_version('5.2.0')) { session_set_cookie_params(0, $CFG->sessioncookiepath, $CFG->sessioncookiedomain, $CFG->cookiesecure, $CFG->cookiehttponly); } else { session_set_cookie_params(0, $CFG->sessioncookiepath, $CFG->sessioncookiedomain, $CFG->cookiesecure); } the only executed function would be session_name('MoodleSession'.$CFG->sessioncookie); because you are commenting the rest of the line with a \/\/ What does this piece of code? ... 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