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What is the most accurate way to retrieve a user's correct IP address in PHP?

... fully-validated, and fully-packaged, version of @AlixAxel's answer: <?php /* Get the 'best known' client IP. */ if (!function_exists('getClientIP')) { function getClientIP() { if (isset($_SERVER["HTTP_CF_CONNECTING_IP"])) { ...
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How to access remote server with local phpMyAdmin client?

... I am curious what form should the link have I want to enter in browser in order to access a database via phpMyAdmin that is installed on a server of my client who hosts a website himself. – Garavani May 29 '18 at 7:03 ...
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MySQL一次主从数据不一致的问题解决过程 - 数据库(内核) - 清泛网 - 专注C/...

MySQL一次主从数据不一致的问题解决过程情况时这样的:昨天晚上主动2个机器都迁移了,然后今天才把主动重新连接上,但是从库的偏移量是从今天当前时刻开始的,也就是说虽然现在主...情况时这样的: 昨天晚上主动2个机器...
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How do you use the “WITH” clause in MySQL?

...CATEGORY c ON c.catid = t.article_categoryid WHERE t.published_ind = 0 ORDER BY t.article_date DESC LIMIT 1, 3 Here's a better example: SELECT t.name, t.num FROM TABLE t JOIN (SELECT c.id COUNT(*) 'num' FROM TABLE c WHERE c.column = 'a' G...
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How can I get useful error messages in PHP?

Quite often I will try and run a PHP script and just get a blank screen back. No error message; just an empty screen. The cause might have been a simple syntax error (wrong bracket, missing semicolon), or a failed function call, or something else entirely. ...
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json_encode/json_decode - returns stdClass instead of Array in PHP

...'s JSON, not JSAAN. :) So PHP has to convert your array into an object in order to encode into JSON. share | improve this answer | follow | ...
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Get original URL referer with PHP?

...%2fstackoverflow.com%2fquestions%2f1864583%2fget-original-url-referer-with-php%23new-answer', 'question_page'); } ); Post as a guest Name ...
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Storing Data in MySQL as JSON

...er rules that MySQL follows when comparing JSON values, see Comparison and Ordering of JSON Values. MySQL 5.7.8 also introduces a number of functions for working with JSON values. These functions include those listed here: Functions that create JSON values: JSON_ARRAY(), JSON_MERGE(), a...
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How to render a DateTime object in a Twig template

... Twig's date function uses the same format as the php function (from the Twig docs). For anyone looking for other formats, php.net/manual/en/function.date.php. – JonnyS Mar 19 '14 at 20:22 ...
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MySQL, Check if a column exists in a table with SQL

...his works well for me. SHOW COLUMNS FROM `table` LIKE 'fieldname'; With PHP it would be something like... $result = mysql_query("SHOW COLUMNS FROM `table` LIKE 'fieldname'"); $exists = (mysql_num_rows($result))?TRUE:FALSE; ...