isDate()

Indicates if the passed-in expression is a valid date with a specific format (default 'Y-m-d').

Parameters

$date : string|null

The expression to evaluate.

$format : string = 'Y-m-d'

The date format (default 'Y-m-d').

Tags

example

var_dump(isDate('2025-07-20'));           // true
var_dump(isDate('20/07/2025', 'd/m/Y'));  // true
var_dump(isDate('invalid-date'));         // false
var_dump(isDate(null));                   // false

author

Marc Alcaraz (ekameleon)

since

1.0.0