MD5 () function

ArticleDirectory

• Syntax
• Example 1
• Example 2

MD5 () function calculates the MD5 hash of a string.

The MD5 () function uses RSA Data Security, including MD5 packet excerptAlgorithm.

If the calculation succeeds, the calculated MD5 hash is returned. If the calculation fails, false is returned.

Syntax

 
MD5 (string, raw)
 

Parameters	Description
String	Required. Specifies the string to be calculated.
Charlist	Optional. The hexadecimal or binary output format is required: True-original 16-character binary format False-default. 32-character hexadecimal number Note: this parameter is added in PHP 5.0.

Example 1

 
<? PHP $ STR = "hello"; echoMD5 ($ Str);?>
 

Output:

 
8b1a9953c4611296a827abf8c47804d7
 

Example 2

<? PHP $ STR = "hello"; echoMD5 ($ Str); If (MD5 ($ Str)= '8b1a9953c4611296a827abf8c47804d7 ') {echo "<br/> Hello world! "; Exit ;}?>
 

Output:

 
8b1a9953c4611296a827abf8c47804d7hello world!