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https://github.com/sigmasternchen/php-doc-en
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git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@330629 c90b9560-bf6c-de11-be94-00142212c4b1
288 lines
7.6 KiB
XML
288 lines
7.6 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision$ -->
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<refentry xml:id="mongocollection.findandmodify" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
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<refnamediv>
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<refname>MongoCollection::findAndModify</refname>
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<refpurpose>Update a document and return it</refpurpose>
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</refnamediv>
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<refsect1 role="description">
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&reftitle.description;
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<methodsynopsis>
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<modifier>public</modifier> <type>array</type><methodname>MongoCollection::findAndModify</methodname>
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<methodparam><type>array</type><parameter>query</parameter></methodparam>
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<methodparam choice="opt"><type>array</type><parameter>update</parameter></methodparam>
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<methodparam choice="opt"><type>array</type><parameter>fields</parameter></methodparam>
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<methodparam choice="opt"><type>array</type><parameter>options</parameter></methodparam>
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</methodsynopsis>
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<para>
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The findAndModify command atomically modifies and returns a single document.
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By default, the returned document does not include the modifications made on
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the update. To return the document with the modifications made on the
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update, use the <varname>new</varname> option.
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</para>
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</refsect1>
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<refsect1 role="parameters">
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&reftitle.parameters;
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<variablelist>
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<varlistentry>
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<term><parameter>query</parameter></term>
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<listitem>
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<para>
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The query criteria to search for.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>update</parameter></term>
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<listitem>
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<para>
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The update criteria.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>fields</parameter></term>
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<listitem>
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<para>
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Optionally only return these fields.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>options</parameter></term>
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<listitem>
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<para>
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An array of options to apply, such as remove the match document from the
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DB and return it.
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<informaltable>
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<tgroup cols="2">
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<thead>
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<row>
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<entry>Option</entry>
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<entry>&Description;</entry>
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</row>
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</thead>
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<tbody>
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<row>
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<entry><varname>sort</varname> <type>array</type></entry>
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<entry>
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Determines which document the operation will modify if the
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query selects multiple documents. findAndModify will modify the
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first document in the sort order specified by this argument.
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</entry>
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</row>
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<row>
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<entry><varname>remove</varname> <type>boolean</type></entry>
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<entry>
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Optional if <varname>update</varname> field exists. When &true;, removes the selected
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document. The default is &false;.
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</entry>
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</row>
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<row>
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<entry><varname>update</varname> <type>array</type></entry>
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<entry>
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Optional if <varname>remove</varname> field exists.
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Performs an update of the selected document.
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</entry>
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</row>
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<row>
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<entry><varname>new</varname> <type>boolean</type></entry>
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<entry>
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Optional. When &true;, returns the modified document rather than the
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original. The findAndModify method ignores the <varname>new</varname> option for
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remove operations. The default is &false;.
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</entry>
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</row>
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<row>
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<entry><varname>upsert</varname> <type>boolean</type></entry>
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<entry>
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Optional. Used in conjunction with the <varname>update</varname> field. When &true;, the
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findAndModify command creates a new document if the query returns
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no documents. The default is false. In MongoDB 2.2, the
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findAndModify command returns &null; when upsert is &true;.
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</entry>
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</row>
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<row>
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<entry><varname></varname></entry>
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<entry>
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</entry>
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</row>
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</tbody>
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</tgroup>
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</informaltable>
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</refsect1>
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<refsect1 role="returnvalues">
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&reftitle.returnvalues;
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<para>
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Returns the original document, or the modified document when
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<varname>new</varname> is set.
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</para>
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</refsect1>
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<refsect1 role="errors">
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&reftitle.errors;
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<para>
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Throws <classname>MongoResultException</classname> on failure.
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</para>
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</refsect1>
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<refsect1 role="examples">
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&reftitle.examples;
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<example xml:id="mongocollection.findandmodify.example.basic">
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<title><methodname>MongoCollection::findAndModify</methodname> example</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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$m = new Mongo;
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$col = $m->selectDB("test")->jobs;
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$col->insert(array(
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"name" => "Next promo",
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"inprogress" => false,
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"priority" => 0,
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"tasks" => array( "select product", "add inventory", "do placement"),
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) );
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$col->insert(array(
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"name" => "Biz report",
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"inprogress" => false,
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"priority" => 1,
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"tasks" => array( "run sales report", "email report" )
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) );
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$col->insert(array(
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"name" => "Biz report",
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"inprogress" => false,
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"priority" => 2,
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"tasks" => array( "run marketing report", "email report" )
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),
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array("w" => 1)
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);
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$retval = $col->findAndModify(
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array("inprogress" => false, "name" => "Biz report"),
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array('$set' => array('inprogress' => true, "started" => new MongoDate())),
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null,
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array(
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"sort" => array("priority" => -1),
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"new" => true,
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)
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);
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var_dump($retval);
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?>
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]]>
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</programlisting>
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&example.outputs.similar;
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<screen>
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<![CDATA[
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array(6) {
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["_id"]=>
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object(MongoId)#7 (1) {
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["$id"]=>
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string(24) "5091b5b244415e8cc3000002"
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}
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["inprogress"]=>
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bool(true)
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["name"]=>
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string(10) "Biz report"
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["priority"]=>
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int(2)
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["started"]=>
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object(MongoDate)#8 (2) {
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["sec"]=>
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int(1351726514)
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["usec"]=>
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int(925000)
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}
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["tasks"]=>
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array(2) {
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[0]=>
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string(20) "run marketing report"
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[1]=>
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string(12) "email report"
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}
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}
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]]>
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</screen>
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</example>
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<example xml:id="mongocollection.findandmodify.example.error">
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<title><methodname>MongoCollection::findAndModify</methodname> error handling</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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$m = new Mongo;
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$col = $m->selectDB("test")->jobs;
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try {
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$retval = $col->findAndModify(
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array("inprogress" => false, "name" => "Next promo"),
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array('$pop' => array("tasks" => -1)),
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array("tasks" => array('$pop' => array("stuff"))),
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array("new" => true)
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);
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} catch(MongoResultException $e) {
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echo $e->getCode(), " : ", $e->getMessage(), "\n";
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var_dump($e->getDocument());
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}
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?>
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]]>
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</programlisting>
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&example.outputs.similar;
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<screen>
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<![CDATA[
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13097 : exception: Unsupported projection option: $pop
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array(3) {
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["errmsg"]=>
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string(46) "exception: Unsupported projection option: $pop"
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["code"]=>
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int(13097)
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["ok"]=>
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float(0)
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}
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]]>
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</screen>
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</example>
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</refsect1>
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<refsect1 role="seealso">
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&reftitle.seealso;
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<simplelist>
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<member>The MongoDB <link xlink:href="&url.mongodb.docs.command;findAndModify/">findAndModify command</link> docs</member>
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</simplelist>
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</refsect1>
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</refentry>
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<!-- Keep this comment at the end of the file
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Local variables:
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mode: sgml
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sgml-omittag:t
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sgml-shorttag:t
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sgml-minimize-attributes:nil
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sgml-always-quote-attributes:t
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sgml-indent-step:1
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sgml-indent-data:t
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indent-tabs-mode:nil
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sgml-parent-document:nil
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sgml-default-dtd-file:"~/.phpdoc/manual.ced"
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sgml-exposed-tags:nil
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sgml-local-catalogs:nil
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sgml-local-ecat-files:nil
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End:
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vim600: syn=xml fen fdm=syntax fdl=2 si
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vim: et tw=78 syn=sgml
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vi: ts=1 sw=1
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-->
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