Predefined Interfaces and Classes
PHP Manual

The Generator class

(PHP 5 >= 5.5.0, PHP 7)

Introduction

Generator objects are returned from generators.

Caution

Generator objects cannot be instantiated via new.

Class synopsis

Generator implements Iterator {
/* Methods */
public mixed current ( void )
public mixed getReturn ( void )
public mixed key ( void )
public void next ( void )
public void rewind ( void )
public mixed send ( mixed $value )
public mixed throw ( Throwable $exception )
public bool valid ( void )
public void __wakeup ( void )
}

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Predefined Interfaces and Classes
PHP Manual