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respect-validation/docs/validators/FalseVal.md
Henrique Moody 7c681fec66
 Fix SPDX headers in all files 
I ran the `bin/console spdx --fix` with different strategies for
different files. For most of the core classes, since they've been
drastically rebuilt, I've run it with the `git-blame` strategy, for for
the `src/Validators`, in which the API changed completely but the logic
remains the same, I use the `git-log` strategy.
2026-02-03 15:23:23 +01:00

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FalseVal

  • FalseVal()

Validates if a value is considered as false.

v::falseVal()->assert(false);
// Validation passes successfully

v::falseVal()->assert(0);
// Validation passes successfully

v::falseVal()->assert('0');
// Validation passes successfully

v::falseVal()->assert('false');
// Validation passes successfully

v::falseVal()->assert('off');
// Validation passes successfully

v::falseVal()->assert('no');
// Validation passes successfully

v::falseVal()->assert('0.5');
// → "0.5" must evaluate to `false`

v::falseVal()->assert('2');
// → "2" must evaluate to `false`

Templates

FalseVal::TEMPLATE_STANDARD

Mode Template
default {{subject}} must evaluate to false
inverted {{subject}} must not evaluate to false

Template placeholders

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

Categorization

  • Booleans

Changelog

Version Description
1.0.0 Renamed from False to FalseVal
0.8.0 Created as False

See Also