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<Throwable::__toStringCountable::count>
^Predefined Interfaces and ClassesLast updated: Mon, 26 Oct 2026

The Countable interface

(PHP 5 >= 5.1.0, PHP 7, PHP 8)

Introduction

Classes implementing Countable can be used with the count() function.

Interface synopsis

interface Countable {
/* Methods */
public function count(): int
}

Table of Contents


<Throwable::__toStringCountable::count>
^Predefined Interfaces and ClassesLast updated: Mon, 26 Oct 2026