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Check if PHP session has already started

I have a PHP file that is sometimes called from a page that has started a session and sometimes from a page that doesn't have session started. Therefore when I have session_start() on this script I sometimes get the error message for "session already started". For that I've put these lines: ...
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Mysql ibdata 丢失或损坏如何通过frm&ibd 恢复数据 - 更多技术 - 清泛网 - ...

...需要注释掉,不然恢复模式不好操作。 这里有个关键的问题,就是innodb里的任何数据操作都是一个日志的记录点。也就是如果我们需要数据恢复,必须把之前的表的数据的日志记录点添加到一致。 a、建立一个数据库,根据...
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Get user info via Google API

...It has loads of stuff - including name, public profile url, gender, photo etc. share | improve this answer | follow | ...
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How do I get a file name from a full path with PHP?

... You're looking for basename. The example from the PHP manual: <?php $path = "/home/httpd/html/index.php"; $file = basename($path); // $file is set to "index.php" $file = basename($path, ".php"); // $file is set to "index" ?> ...
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How to listen for changes to a MongoDB collection?

...? don't use polling - you need an evented approach instead of while loops, etc. – Alexander Mills Mar 17 '18 at 4:17 ...
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Deprecated: mysql_connect()

... solutions to your problem. The way with MySQLi would be like this: <?php $connection = mysqli_connect('localhost', 'username', 'password', 'database'); To run database queries is also simple and nearly identical with the old way: <?php // Old way mysql_query('CREATE TEMPORARY TABLE `tabl...
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In PHP, why does not show a parse error?

I was running the following PHP code: 2 Answers 2 ...
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Fatal error: Maximum execution time of 300 seconds exceeded

I keep getting this PHP error: 18 Answers 18 ...
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How do I implement a callback in PHP?

How are callbacks written in PHP? 9 Answers 9 ...
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PHP YAML Parsers [closed]

Does anyone know of a good YAML Parser for PHP? If so, what are the pros and cons of this library? 8 Answers ...