This article mainly shares with you how Weiphp transplants PHP7.0 instances, hoping to help everyone.

The first pit

Call to undefined function Think\simplexml_load_string()

The problem with simplexml expansion package, you need to install the expansion package

sudo apt-get install php7.0-xml

Second Pitfall

_STORAGE_WRITE_ERROR_:./Runtime/Cache/Install

It is a problem with path permissions. You need to set the directory permissions to be writable. This error is caused by creating the Runtime directory without writable permissions

The third pit

SQLSTATE[42000]: Syntax error or access violation: 1055 Expression #1 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'wp_db.wp_material_news.id' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by

The reason for this error is that the sql_mode is added to the only_full_group_by configuration by default in the mysql database, resulting in the inability to use group by to query.

Use the following command to query sql_mode in the mysql terminal:

select @@sql_mode;

To modify sql_mode, add the following content to the configuration file /etc/mysql/mysql.conf.d/mysqld.cnf

sql_mode=STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_pISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION

The modified query result is:

mysql> select @@sql_mode;
+------------------------------------------------------------------------------------------------------------------------+
| @@sql_mode                                                                                                             |
+------------------------------------------------------------------------------------------------------------------------+
| STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_pISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION |
+------------------------------------------------------------------------------------------------------------------------+
1 row in set (0.00 sec)

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