bind.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->

<refentry xml:id="mysql-xdevapi-collectionfind.bind" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
 <refnamediv>
  <refname>CollectionFind::bind</refname>
  <refpurpose>Bind value to query placeholder</refpurpose>
 </refnamediv>

 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <modifier>public</modifier> <type>mysql_xdevapi\CollectionFind</type><methodname>mysql_xdevapi\CollectionFind::bind</methodname>
   <methodparam><type>array</type><parameter>placeholder_values</parameter></methodparam>
  </methodsynopsis>
  <para>
   It allows the user to bind a parameter to the placeholder in the search condition of the find operation.
   The placeholder has the form of :NAME where ':' is a common prefix that must always exists before any NAME,
   NAME is the actual name of the placeholder. The bind function accepts a list of placeholders if multiple
   entities have to be substituted in the search condition.
  </para>


 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <variablelist>
   <varlistentry>
    <term><parameter>placeholder_values</parameter></term>
    <listitem>
     <para>
      Values to substitute in the search condition; multiple values are allowed
      and are passed as an array where "PLACEHOLDER_NAME => PLACEHOLDER_VALUE".
     </para>
    </listitem>
   </varlistentry>
  </variablelist>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   A CollectionFind object, 
   or chain with execute() to return a Result object.
  </para>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <example>
   <title><function>mysql_xdevapi\CollectionFind::bind</function> example</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");
$result = $create
  ->add('{"name": "Alfred", "age": 18, "job": "Butler"}')
  ->execute();

// ...

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

$result = $collection
  ->find('job like :job and age > :age')
  ->bind(['job' => 'Butler', 'age' => 16])
  ->execute();

var_dump($result->fetchAll());
?>
]]>
   </programlisting>
   &example.outputs.similar;
   <screen>
<![CDATA[
array(1) {
  [0]=>
  array(4) {
    ["_id"]=>
    string(28) "00005b6b536100000000000000cf"
    ["age"]=>
    int(18)
    ["job"]=>
    string(6) "Butler"
    ["name"]=>
    string(6) "Alfred"
  }
}
]]>
   </screen>
  </example>
 </refsect1>

</refentry>

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