respect-validation/docs/validators/StringVal.md
Alexandre Gomes Gaigalas 16148e9593 Standardize and improve validation message templates
- Remove redundant "valid" prefix:
   Date, DateTime, DateTimeDiff, Domain, Email, Iban, Imei, Ip, Isbn, Json, LanguageCode, LeapDate, LeapYear, Luhn, MacAddress, NfeAccessKey, Nif, Nip, Pesel, Phone, Pis, PolishIdCard, PostalCode, Roman, Slug, Tld, Url, Uuid, Version.

 - Remove redundant "value" suffix
   ArrayVal, BoolVal, Countable, FloatVal, IntVal, IterableVal, NumericVal, ScalarVal, StringVal.

 - Standardize "consist only of" phrasing
   Alnum, Alpha, Cntrl, Consonant, Digit, Graph, Lowercase, Printable, Punct, Space, Spaced, Uppercase, Vowel, Xdigit.

 - Improve file accessibility messages
   Directory, Executable, File, Image, Readable, SymbolicLink, Writable.

 - Improve grammar and article usage
   CreditCard, Extension, Mimetype, Regex, Size.
2026-02-03 19:58:55 +00:00

1.8 KiB

StringVal

  • StringVal()

Validates whether the input can be used as a string.

v::stringVal()->assert('6');
// Validation passes successfully

v::stringVal()->assert('String');
// Validation passes successfully

v::stringVal()->assert(1.0);
// Validation passes successfully

v::stringVal()->assert(42);
// Validation passes successfully

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

v::stringVal()->assert(true);
// Validation passes successfully

v::stringVal()->assert(new ClassWithToString());
// Validation passes successfully

Templates

StringVal::TEMPLATE_STANDARD

Mode Template
default {{subject}} must be a string
inverted {{subject}} must not be a string

Template placeholders

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

Categorization

  • Strings
  • Types

Changelog

Version Description
3.0.0 Templates changed
2.0.0 Created

See Also