Solve some common problems of dedecms under php7
1. Unable to obtain error information, a blank
A blank cannot be debugged,
So the first thing to do,
Can output error information.
Open include/common.inc.php
Find the following code
//error_reporting(E_ALL); error_reporting(E_ALL || ~E_NOTICE);
Change it to
error_reporting(E_ALL); //error_reporting(E_ALL || ~E_NOTICE);
The main function is to open the error prompt.
2. 'continue' not in the 'loop' or 'switch' context error
You may encounter this error after refreshing
Fatal error: ‘continue’ not in the ‘loop’ or ‘switch’ context in ….include/common.func.php on line 49
The above indicates that there is an error in line 49 of the include/common.func.php file.
Delete continue;
and change it to return;
3. The function mysql_query() is undefined
Mysql_* series functions can no longer be used in php7,
the following error will occur
Fatal error: Uncaught Error: Call to undefined function mysql_query() in ….include/dedesql.class.php:152
php7 requires the use of mysqli or pdo to
communicate with the database, which is
safer and more efficient.
Solution
Open the file data/config.cache.inc.php
$cfg_mysql_type = ‘mysql’;
Change to
$cfg_mysql_type = ‘mysqli’;
4. Left side of the background The menu is blank and does not display. Solution
Method 1
Set the data directory permissions to 777 or 755. Note that it is the entire data directory. Just refresh after setting.
Method 2
Enter data/tplcache, make a backup copy, then delete everything except index.html, then set the data/tplcache directory to 777, and refresh it.
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