SunshinePHP 2020 CFP Started

CollectionFind::offset

(No version information available, might only be in Git)

CollectionFind::offsetSkip given number of elements to be returned

Description

public mysql_xdevapi\CollectionFind::offset ( integer $position ) : mysql_xdevapi\CollectionFind

Skip (offset) these number of elements that otherwise would be returned by the find operation. Use with the limit() method.

Defining an offset larger than the result set size results in an empty set.

Liste de paramètres

position

Number of elements to skip for the limit() operation.

Valeurs de retour

A CollectionFind object that can be used for additional processing.

Exemples

Exemple #1 mysql_xdevapi\CollectionFind::offset() example

<?php
$session 
mysql_xdevapi\getSession("mysqlx://user:password@localhost");
$session->sql("DROP DATABASE IF EXISTS addressbook")->execute();
$session->sql("CREATE DATABASE addressbook")->execute();

$schema $session->getSchema("addressbook");
$create $schema->createCollection("people");
$create
  
->add('{"name": "Alfred", "age": 18, "job": "Butler"}')
  ->
execute();
$create
  
->add('{"name": "Reginald", "age": 42, "job": "Butler"}')
  ->
execute();

// ...

$collection $schema->getCollection("people");

$result $collection
  
->find()
  ->
sort('age asc')
  ->
offset(1)
  ->
limit(1)
  ->
execute();

var_dump($result->fetchAll());
?>

L'exemple ci-dessus va afficher quelque chose de similaire à :

array(1) {
  [0]=>
  array(4) {
    ["_id"]=>
    string(28) "00005b6b536100000000000000f3"
    ["age"]=>
    int(42)
    ["job"]=>
    string(6) "Butler"
    ["name"]=>
    string(8) "Reginald"
  }
}
add a note add a note

User Contributed Notes

There are no user contributed notes for this page.
To Top