illegal offset type

PHP uses simplexml to solve the illegal offset type Problem Simplexml_load_string/simplexml_load_file of PHP is very convenient. You can easily convert XML Parse into a PHP Object, and then you can process the information as needed ~

The C language allows a variable with a value of 0 to be cast to a pointer of any type, and the result of the conversion is a null pointer;(type*)0// 一个 type 类型的NULL指针It is illegal to use this pointer to access members of the struct body,

from Http://blog.chinaunix.net/u2/62910/showart_492571.htmlSuppose you define a struct type named MyStruct in an ANSI C program with a field named MyField, how do I get its offset in the struct?typedef struct MYSTRUCT_TAG{ //Some fields...Long

#define OFFSET (Type,field) ((size_t) & (((type*) 0)->field)In C, the ANSI C standard allows a constant with a value of 0 to be cast to a pointer of any type, and the result is a null pointer, a null pointer, so the result of a 0 pointer operation ((

In the previous article, I briefly talked about it. the differences between the. Net Value Type and the reference type are analyzed. The memory layout and implementation method of the reference type are analyzed. In the initial example, the

The direct selling industry is surging.Yingying, a wholly-owned subsidiary of NYSE: USNA, a listed company on the New York Stock Exchange, plays the bridgehead role of youshana in China's health care market through direct sales. However, questions

Guide: 　　 5.3 Level 2 instruction details 　　 5.3.1 Force Multi-point coils (FC) 　　 　　 Request 　　 Byte 0:FC = 0F (16 binary) Byte 1-2: Reference value Byte 3-4: Number of bits (1-800) BYTE 5: Number of bytes (B = (bits + 7)/8) Byte

In this section, we will examine the structure syntax tree as shown in the 3rd chapter of Figure 3.3.17 to construct the struct type structure.Figure 3.3.17 Parsestructorunionspecifier () constructs a syntax treeIn the 2nd Chapter we give the

In a word, the object is used as the key of the array. For example, the following code triggers this warning: The code is as follows:Copy code $ Arr = array ();   Class   {   }   $ O = new;   Echo $ arr [$ o]; Specifically, I triggered this

A string is composed of a series of characters, each of which is equivalent to a byte. This means that PHP only supports the 256 character set and therefore does not support Unicode. For details, see the description of the string type. Note: string..