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Blank.md

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Blank

  • Blank()

Validates if the given input is a blank value (null, zeros, empty strings or empty arrays, recursively).

We recommend you to check Comparing empty values for more details.

v::blank()->isValid(null); // true
v::blank()->isValid(''); // true
v::blank()->isValid([]); // true
v::blank()->isValid(' '); // true
v::blank()->isValid(0); // true
v::blank()->isValid('0'); // true
v::blank()->isValid(0); // true
v::blank()->isValid('0.0'); // true
v::blank()->isValid(false); // true
v::blank()->isValid(['']); // true
v::blank()->isValid([' ']); // true
v::blank()->isValid([0]); // true
v::blank()->isValid(['0']); // true
v::blank()->isValid([false]); // true
v::blank()->isValid([[''], [0]]); // true
v::blank()->isValid(new stdClass()); // true

It's similar to Falsy, but way stricter.

Templates

Blank::TEMPLATE_STANDARD

Mode Template
default {{subject}} must be blank
inverted {{subject}} must not be blank

Template placeholders

Placeholder Description
subject The validated input or the custom validator name (if specified).

Categorization

  • Miscellaneous

Changelog

Version Description
3.0.0 Renamed to Blank and changed the behavior
1.0.0 Created as NotBlank

See also: