Share PHP Unpack function extract bit string implementation Tips _php Tutorial

We used to tell our friends that

PHP unpack function definition

Unzip the bit string data.

Grammar:

String Pack (string format, mixed [args] ...);

return value:

Array

PHP Unpack function types:

Data processing

PHP Unpack Function Content description

This function is used to decompress the data of a bit string. This function is identical to Perl's function function with the same name. The parameter format is compressed.

PHP Unpack Function Example 1

 
  
  

  
   
   
< ? PHP 
  
   
   
$ Data  "PHP"; 
  
   
   
Print_r (Unpack ("c*", $data)); 
  
   
   
?>
 
  
  

Output:

1. Array
2. (
3. [1] =>
4. [2] =>
5. [3] =>
6. )

http://www.bkjia.com/PHPjc/446032.html www.bkjia.com true http://www.bkjia.com/PHPjc/446032.html techarticle we have introduced to our friends the PHP unpack function to define the extracted bit string data. Syntax: string Pack (string format, mixed [args] ...); Return value: Array PHP unpack function type ...

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