Question

How to sanitize and validate an email address with filter in PHP

Answer 1

/*
mixed filter_var ( mixed $variable [, int $filter = FILTER_DEFAULT [, mixed $options ]] )
*/
   
$email = "avi@collectivesolver.com";
 
// Remove illegal characters 
$email = filter_var($email, FILTER_SANITIZE_EMAIL);
 
// Validate email
if (!filter_var($email, FILTER_VALIDATE_EMAIL) === false) 
    echo("$email is a valid email address");
else 
    echo("$email is not a valid email address");
 
        
/*
run:
    
avi@collectivesolver.com is a valid email address  
  
*/

 

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Answer 2

/*
mixed filter_var ( mixed $variable [, int $filter = FILTER_DEFAULT [, mixed $options ]] )
*/
  
$email = "avi@collectivesolver.com.net.org";

// Remove illegal characters 
$email = filter_var($email, FILTER_SANITIZE_EMAIL);

// Validate email
if (!filter_var($email, FILTER_VALIDATE_EMAIL) === false) 
    echo("$email is a valid email address");
else 
    echo("$email is not a valid email address");
 
       
/*
run:
   
avi@@collectivesolver.com is not a valid email address 
 
*/

 

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