MongoId::__construct
MongoCode
MongoId
PHP Manual

# MongoId::__toString

(PECL mongo >= 0.8.0)

MongoId::__toString — Returns a hexidecimal representation of this id

### 설명

public string MongoId::__toString ( void )

### 인수

이 함수는 인수가 없습니다.

### 반환값

This id.

### 예제

Example #1 MongoId::__toString() example

`<?php
$obj = array( "x" => "y" );
$m = new Mongo();
$collection = $m->selectDB("foo")->selectCollection("bar");
$collection->insert($obj);
$collection->insert($obj);
$cursor = $collection->find();
$r1 = cursor->next();
$r2 = cursor->next();
echo $r1["_id"] . "\n";
echo $r2["_id"] . "\n";
?>`

위 예제의 출력 예시:

    49a7011a05c677b9a916612a
    49a702d5450046d3d515d10d

MongoId::__construct
MongoCode
MongoId
PHP Manual