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.
Bemærk: This extension has been moved to the PECL repository and is no longer bundled with PHP as of PHP 5.0.0.
More information regarding CrackLib along with the library can be found at http://sourceforge.net/projects/cracklib.
Denne PECL udvidelse medfølger ikke i PHP. Uddybende information så som nye udgivelser, downloads, kildekoder, vedligeholder information samt en CHANGELOG, kan findes her: http://pecl.php.net/package/crack.
I PHP 4 er denne PECL udvidelses
kildekode kan blive fundet i ext/ biblioteket inde i
PHP kildekoden eller ved PECL linket ovenover.
In order to use these functions you must compile PHP with Crack support
by using the --with-crack[=DIR]
configuration option.
Windows users will enable php_crack.dll inside of php.ini in order to use these functions. I PHP 4 befinder denne DLL sig i extensions/ biblioteket inde i PHP Windows binær download. Du kan hente denne PECL udvidelse DLL fra PHP Downloads siden eller på http://snaps.php.net/.
Virkemåden af disse funktioner er berørt af indstillinger i php.ini.
Tabel 1. Crack configuration options
Name | Default | Changeable | Changelog |
---|---|---|---|
crack.default_dictionary | NULL | PHP_INI_PERDIR | Available since PHP 4.0.5. |
The CrackLib extension defines a dictionary resource identifier returned by crack_opendict().
Denne udvidelse har ingen konstanter.
This example shows how to open a CrackLib dictionary, test a given password, retrieve any diagnostic messages, and close the dictionary.
Bemærk: If crack_check() returns TRUE, crack_getlastmessage() will return 'strong password'.