fetchone.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<!-- EN-Revision: 4754397753fd79f1c846868b66a2448babab1c54 Maintainer: samesch Status: ready -->
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<refentry xml:id="mysql-xdevapi-docresult.fetchone" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
 <refnamediv>
  <refname>DocResult::fetchOne</refname>
  <refpurpose>Ruft eine Zeile aus einer Ergebnismenge ab</refpurpose>
 </refnamediv>

 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <modifier>public</modifier> <type>array</type><methodname>mysql_xdevapi\DocResult::fetchOne</methodname>
   <void />
  </methodsynopsis>
  <para>
   Ruft ein Ergebnis aus einer Ergebnismenge ab.
  </para>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  &no.function.parameters;
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   Gibt das Ergebnis als assoziatives Array zurück oder &null;, wenn es kein
   Ergebnis gibt.
  </para>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <example>
   <title><function>mysql_xdevapi\DocResult::fetchOne</function>-Beispiel</title>
   <programlisting role="php">
<![CDATA[
<?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");

// Gibt ein DocResult-Objekt zurück
$result = $collection
  ->find('job like :job and age > :age')
  ->bind(['job' => 'Butler', 'age' => 16])
  ->sort('age desc')
  ->execute();

var_dump($result->fetchOne());
?>
]]>
   </programlisting>
   &example.outputs.similar;
   <screen>
<![CDATA[
array(4) {
  ["_id"]=>
  string(28) "00005b6b53610000000000000125"
  ["age"]=>
  int(42)
  ["job"]=>
  string(6) "Butler"
  ["name"]=>
  string(8) "Reginald"
}
]]>
   </screen>
  </example>
 </refsect1>

</refentry>
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