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The Generator class

(PHP 5 >= 5.5.0)

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 key ( void )

public void next ( void )

public void rewind ( void )

public mixed send ( mixed $value )

public mixed throw ( Exception $exception )

public bool valid ( void )

public void __wakeup ( void )

}

Generator::current — Get the yielded value
Generator::key — Get the yielded key
Generator::next — Resume execution of the generator
Generator::rewind — Rewind the iterator
Generator::send — Send a value to the generator
Generator::throw — Throw an exception into the generator
Generator::valid — Check if the iterator has been closed
Generator::__wakeup — Serialize callback

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User Contributed Notes 1 note

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-87

dejiakala at gmail dot com ¶

1 year ago


<?php

function sayHello($people) {
  foreach($people as $person) {
    yield "hello " . $person;
  }
}

var_dump(sayHello(array('foo', 'bar', 'baz')));

?>

Output:

 class Generator#1 (0) {  
 }

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The Generator class

Introduction

Class synopsis

Table of Contents

User Contributed Notes 1 note