PHP password_verify() Function Usage and Example

PHP Password Hashing Algorithm

The password_verify() function is used to verify whether the password matches the hash value.

PHP Version Requirement: PHP 5 >= 5.5.0, PHP 7

Syntax

bool password_verify ( string $password , string $hash )

Parameter Description:

• password: The user's password.

• hash: An instance of password_hash() The created hash value.

Return Value

Returns TRUE if the password matches the hash value, otherwise returns FALSE.

Online Example

<?php
//　If you want to know where the following characters come from, see the example of password_hash().
$hash = '$2y$07$BCryptRequires22Chrcte/VlQH0piJtjXl.0t1XkA8pw9dMXTpOq';
　
if (password_verify('rasmuslerdorf', $hash)) {
　　　　echo 'Password is valid!';
} else {
　　　　echo 'Invalid password.';
}
?>

The output is:

Password is valid!

PHP Password Hashing Algorithm