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Homephp教程php手册PHP开发中的错误收集,不定期更新。

Fatal error: Non-static method Conn::__construct() cannot be called statically in /file.php

没有静态的方法(里面这个指方法参数,字符串类型),不能从静态上下文引用。

Fatal error: [] operator not supported for strings in /file.php

当一个变量已设为非数组类型的时候,就不能再次使用[]让同名变量增加数据键值
解决方法:1.改变变量名称、2.使用$var = array(...)
举例:

复制代码 代码如下:


//这里为字符串类型
$err = $e->getMessage();

//当执行到这里的时候会报错
$err[] = array
(
'gid' => $this->_get['id'],
'url' => $new,
'log' => $err,
'time' => time()
);


Fatal error: Declaration of Listing::content() must be compatible with that of InewsList::content() in file\List_1.php on line 7

统一接口所有类方法都必须和接口规定的一致:作用域声明、方法名、参数数量

Warning: mysqli::query() [mysqli.query]: Couldn't fetch Insert in /file.php

必须使用mysqli链接数据库后返回的结果集去执行操作。

Warning: 1064_You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near...

网上搜索是MYSQL兼容问题,实际操作上是语法错误,需检查SQL语句写的是否正确。

Warning: array_shift() expects parameter 1 to be array, integer given

函数第一个参数必须是一个数组。

#1366 - Incorrect integer value: '' for column 'ID' at row 1

mysql版本为msyql 5.1.14 WIN32版本,出现错误的原因是没有给自增ID赋值,尽管之前的版本可以不赋值,自动增加,但是在新版本的msyql中需要为其赋值NULL

#1136:Column count doesn't match value count at row 1

检查一下有没有序号自增加的字段。
所存储的数据与数据库表的字段类型定义不相匹配.
字段类型是否正确, 是否越界, 有无把一种类型的数据存储到另一种数据类型中.

#1062_Duplicate entry '...' for key 'map'

关键字重复、可能是主键ID、也可能是唯一字段。



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