Php file reading operation function

Php file operations are very powerful, and you can easily read local files and remote files! 1. for details about how to use fread (), see the following php code: & amp; lt ;? Php?file=&quot=phpddt.txt & quot; $ fp = fopen ($ f

Php file operations are very powerful, and you can easily read local files and remote files!
1. use fread () to obtain
See the following php code:

Running result:
Php point-to-point (www.phpddt.com), follow php development, and provide professional php tutorials!
2. fseek (resource handle, int offset [, int whence]) to offset the pointer to the offset.
(Php.txt content is [Welcome to www.phpddt.com ])
After running the following php code:

Result:
To www.phpddt.com
The whence parameters are described as follows:
SEEK_SET-set the position to be equal to the offset byte.
SEEK_CUR-set the position to add offset to the current position.
SEEK_END-set the position to add offset to the end of the file. (Assign value)
If no whence is specified, the default value is SEEK_SET.
3. the ftell () function is used to obtain the offset of the pointer position.
The php demo code is as follows:

Running result:
8
4. the rewind () function moves the file pointer to the specified position.
5. the parse_ini_file () function parses the. ini file and easily parses multi-dimensional arrays.Let's take a look at the php Tutorial below!
First, save the phpddt. ini file. the file content is as follows:
[Web1]
Url = "www.phpddt.com"
Name = php point-to-point
[Web2]
Url = "www.baidu.com"
Name = baidu search
Compile the following php code:

The running result is as follows:
Array
(
[Web1] => Array
(
[Url] => www.phpddt.com
[Name] => php point-to-point
)

[Web2] => Array
(
[Url] => www.baidu.com
[Name] => Baidu search
)

)