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respect-validation/docs/rules/FilterVar.md
Alexandre Gomes Gaigalas 689026fc7b Improve FilterVar with FILTER_VALIDATE_* options 
The `filter_var` function is more of a sanitizer, but we as
a validation library do not care for that use case.

We should treat its sanitizings as a signal for checking if
the type after sanitization matches the option provided.

This fixes #1387
2023-02-19 00:19:09 -03:00

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FilterVar

  • FilterVar(int $filter)
  • FilterVar(int $filter, mixed $options)

Validates the input with the PHP's filter_var() function.

v::filterVar(FILTER_VALIDATE_EMAIL)->validate('bob@example.com'); // true
v::filterVar(FILTER_VALIDATE_URL)->validate('http://example.com'); // true
v::filterVar(FILTER_VALIDATE_URL, FILTER_FLAG_PATH_REQUIRED)->validate('http://example.com'); // false
v::filterVar(FILTER_VALIDATE_URL, FILTER_FLAG_PATH_REQUIRED)->validate('http://example.com/path'); // true
v::filterVar(FILTER_VALIDATE_DOMAIN, FILTER_FLAG_HOSTNAME)->validate('webserver.local'); // true
v::filterVar(FILTER_VALIDATE_DOMAIN, FILTER_FLAG_HOSTNAME)->validate('@local'); // false

Categorization

  • Miscellaneous

Changelog

Version Description
2.3.0 v::filterVar(FILTER_VALIDATE_INT)->validate(0) is no longer false
2.0.15 Allow validating domains
0.8.0 Created

See also: