Htmlspecialchars () and htmlentities () of php functions

When the web editor writes articles to the database or reads the database content, there are often non-resolution issues and a lot of code, which is actually a problem of html entity and corresponding string conversion. It mainly involves htmlspecialchars (), htmlentities (), htmlspecialchars _... "/> <scripttype =" text/javasc

 

When the web editor writes articles to the database or reads the database content, there are often non-resolution issues and a lot of code, which is actually a problem of html entity and corresponding string conversion.

It mainly involves functions such as htmlspecialchars (), htmlentities (), and htmlspecialchars_decode.

The htmlspecialchars () function converts some predefined characters into HTML objects.

The predefined characters are:

& (And number) become &

"(Double quotation marks)"

'(Single quotes)'

<(Less than) becomes <

> (Greater than) become>

 

 

PHP htmlentities () function

Definition and usage

The htmlentities () function converts characters to HTML objects.

Syntax

Htmlentities (string, quotestyle, character-set)

Note the differences between the two.

 

 

PHP htmlspecialchars_decode () function

Definition and usage

The htmlspecialchars_decode () function converts some predefined HTML entities into characters.

The HTML entity to be decoded is:

& Became & (and)

"Become" (double quotation marks)

'Become '(single quotes)

<Become <(less)

> Become> (greater)