Introducción
These functions allow you to use the CrackLib library to test the
'strength' of a password. The 'strength' of a password is tested by that
checks length, use of upper and lower case and checked against the
specified CrackLib dictionary. CrackLib will also give helpful diagnostic
messages that will help 'strengthen' the password.
Instalación
In order to use these functions, you must compile PHP with Crack support
by using the --with-crack[=DIR] option.
Configuración en tiempo de ejecución
The behaviour of these functions is affected by settings in php.ini.
Tabla 1. Crack configuration options
| Name | Default | Changeable |
|---|
| crack.default_dictionary | NULL | PHP_INI_SYSTEM |
For further details and definition of the PHP_INI_* constants see
ini_set().
Tipos de recursos
Esta extensión no define ningún tipo de recurso.
Constantes predefinidas
Esta extensión no define ninguna constante.
Ejemplos
This example shows how to open a CrackLib dictionary, test a given
password, retrieve any diagnostic messages, and close the dictionary.
Ejemplo 1. CrackLib example <?php
// Open CrackLib Dictionary
$dictionary = crack_opendict('/usr/local/lib/pw_dict')
or die('Unable to open CrackLib dictionary');
// Perform password check
$check = crack_check($dictionary, 'gx9A2s0x');
// Retrieve messages
$diag = crack_getlastmessage();
echo $diag; // 'strong password'
// Close dictionary
crack_closedict($dictionary);
?> |
|
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