Home > Developer > PHP

PHP htmlspecialchars () function example tutorial

Source: Internet
Author: User
Developer on Alibaba Coud: Build your first app with APIs, SDKs, and tutorials on the Alibaba Cloud. Read more ＞

PHP htmlspecialchars () function example tutorial

Definition and usage
The htmlspecialchars () function converts some predefined characters into HTML entities.

The predefined characters are:

& (Symbol) become &
"(Double quotation marks)"
'(Single quotes)'
"(Less than)"
"(Greater than)"
Syntax

Htmlspecialchars (string, quotestyle, character-set)
  

   
    

     Parameter
     Description
    

    

     String
     Required. Specifies the string to convert
    

    

     Quotestyle
     
      
    
       
  • 
        
    
         Optional. Specifies how to encode a single, double quotation marks. The current quote method is ENT_COMPAT-default. Encode only double quotes ENT_QUOTES-encode double and single quotes E NT_NOQUOTES-do not encode any quotation
        
    • 
      

    

    

     Character-set
     
      

       Optional. Character set specified by the string. The value is equivalent to ISO-8859-1-default. Western European International Organization for Standardization-8859-15-Western Europe (added the euro sign + letters from France and Finland lost in I SO-8 859-1) -8-a s cii compatible with multi-byte 8-bit U n icodecp 866-D OS specific Spanish character set cp 1 251-Windows specific Spanish character set cp1252-specific character set W indows Western Europe K OI8-R-Russian Personal Information Protection Policy-traditional China, mainly used in Taiwan G B2 312-simplified China, the national standard character set personal information protection policy, hong Kong Supplementary Character Set-basket and Hong Kong extension S hi ft _ JIS-Japanese eu c-JA-Japanese
      

    

   
  
  

   
Tips and instructions
Note: unrecognized character sets are ignored and replaced by ISO-8859-1.




Example 1

   
 

   
<Html> <body> <? Php $ str = "Jane & 'tarzanc'"; echo htmlspecialchars ($ str, ENT_COMPAT); echo "<br/>"; echo htmlspecialchars ($ str, ENT_QUOTES ); echo "<br/>"; echo htmlspecialchars ($ str, ENT_NOQUOTES);?> </Body> 
 
Result.
 
Jane & 'tarzance' Jane & 'tarzanc'
 
      

       
If you select "View Source File" in the browser window, you will see the following HTML:

       
 

       

       

        
         

          
<Html> <body> Jane & amp; 'tarzanc' <br/> Jane & amp; & #039; Tarzan & #039; <br/> Jane & amp; 'tarzany' </body>

This article is an English version of an article which is originally in the Chinese language on aliyun.com and is provided for information purposes only. This website makes no representation or warranty of any kind, either expressed or implied, as to the accuracy, completeness ownership or reliability of the article or any translations thereof. If you have any concerns or complaints relating to the article, please send an email, providing a detailed description of the concern or complaint, to info-contact@alibabacloud.com. A staff member will contact you within 5 working days. Once verified, infringing content will be removed immediately.

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

Get Started for Free

  • Sales Support

    1 on 1 presale consultation

    Chat Contact Sales

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

    Open a Ticket

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.

    Learn More