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PHP Manual :: MongoId::__construct



MongoId || MongoId::getHostname || PHP Manual

(PECL mongo >= 0.8.0)

MongoId::__constructCreates a new id

Description

public MongoId::__construct ([ string|MongoId $id = NULL ] )

Parameters

id

A string (must be 24 hexadecimal characters) or a MongoId instance.

Return Values

Returns a new id.

Changelog

Version Description
1.4.0 An exception is thrown when passed invalid string

Examples

Example #1 MongoId::__construct() example

This example shows how to create a new id. This is seldom necessary, as the driver adds an id to arrays automatically before storing them in the database.

<?php

  $id1 
= new MongoId();
  echo 
"$id1\n";

  
$id2 = new MongoId();
  echo 
"$id2\n";

  
?>

The above example will output something similar to:

49a7011a05c677b9a916612a
49a702d5450046d3d515d10d

Example #2 Parameter example

This example shows how to use a string parameter to initialize a MongoId with a given value.

<?php
  $id1 
= new MongoId();

  
// create a new id from $id1
  
$id2 = new MongoId("$id1");

  
// show that $id1 and $id2 have the same hexidecimal value
  
var_dump($id1 == $id2);
  
?>

The above example will output something similar to:

bool(true)

See Also



MongoId || MongoId::getHostname || PHP Manual
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