PHP complete form example

PHP - Ensure the input value in the form

After the user clicks the submit button, in order to ensure that the field value is entered correctly, we insert a PHP script into the HTML input element. Each field is named: name , email, and website. In the textarea field in the note, we place the script between the and tags.

The PHP script output values are: $name, $email, $website, and $comment variables.

Then, we also need to check the selected radio button. For this, we must set the checked attribute (not the value attribute of the radio button):

PHP - Complete form example

The following is the complete PHP form validation example code:

Example

      
   
PHP 表单验证实例
 
* 必需字段。
 
"> 名字:  *  

 E-mail:  *  

 网址:   

 备注: <?php echo $comment;?> 

 性别:  value="female">女  value="male">男 *  

  
 您输入的内容是:"; echo $name; echo "
"; echo $email; echo "
"; echo $website; echo "
"; echo $comment; echo "
"; echo $gender; ?>  

Running example»

The execution result in the example is similar to the following figure: