tocanonicalextendedjson.xml

<?xml version="1.0" encoding="utf-8"?>
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<refentry xml:id="function.mongodb.bson-tocanonicalextendedjson" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
 <refnamediv>
  <refname>MongoDB\BSON\toCanonicalExtendedJSON</refname>
  <refpurpose>Returns the Canonical Extended JSON representation of a BSON value</refpurpose>
 </refnamediv>

 <refsynopsisdiv>
  <warning>
   <para>
    This function has been <emphasis>DEPRECATED</emphasis> as of extension
    version 1.20.0 and was removed in 2.0. Applications should use
    <methodname>MongoDB\BSON\Document::toCanonicalExtendedJSON</methodname>
    instead.
   </para>
  </warning>
 </refsynopsisdiv>

 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>string</type><methodname>MongoDB\BSON\toCanonicalExtendedJSON</methodname>
   <methodparam><type>string</type><parameter>bson</parameter></methodparam>
  </methodsynopsis>
  <para>
   Converts a BSON string to its
   <link xlink:href="&url.mongodb.specs.extendedjson;#canonical-extended-json-example">Canonical Extended JSON</link>
   representation. The canonical format prefers type fidelity at the expense of
   concise output and is most suited for producing output that can be converted
   back to BSON without any loss of type information (e.g. numeric types will
   remain differentiated).
  </para>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <variablelist>
   <varlistentry>
    <term><parameter>bson</parameter> (<type>string</type>)</term>
    <listitem>
     <para>
      BSON value to be converted.
     </para>
    </listitem>
   </varlistentry>
  </variablelist>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   The converted JSON value.
  </para>
 </refsect1>

 <refsect1 role="errors">
  &reftitle.errors;
  <simplelist>
   &mongodb.throws.bson.unexpected;
  </simplelist>
 </refsect1>

 <refsect1 role="changelog">
  &reftitle.changelog;
  <para>
   <informaltable>
    <tgroup cols="2">
     <thead>
      <row>
       <entry>&Version;</entry>
       <entry>&Description;</entry>
      </row>
     </thead>
     <tbody>
      &mongodb.changelog.function-removed;
     </tbody>
    </tgroup>
   </informaltable>
  </para>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <example>
   <title><function>MongoDB\BSON\toCanonicalExtendedJSON</function> example</title>
   <programlisting role="php">
<![CDATA[
<?php

$documents = [
    [ 'null' => null ],
    [ 'boolean' => true ],
    [ 'string' => 'foo' ],
    [ 'int32' => 123 ],
    [ 'int64' => 4294967295 ],
    [ 'double' => 1.0, ],
    [ 'nan' => NAN ],
    [ 'pos_inf' => INF ],
    [ 'neg_inf' => -INF ],
    [ 'array' => [ 'foo', 'bar' ]],
    [ 'document' => [ 'foo' => 'bar' ]],
    [ 'oid' => new MongoDB\BSON\ObjectId('56315a7c6118fd1b920270b1') ],
    [ 'dec128' => new MongoDB\BSON\Decimal128('1234.5678') ],
    [ 'binary' => new MongoDB\BSON\Binary('foo', MongoDB\BSON\Binary::TYPE_GENERIC) ],
    [ 'date' => new MongoDB\BSON\UTCDateTime(1445990400000) ],
    [ 'timestamp' => new MongoDB\BSON\Timestamp(1234, 5678) ],
    [ 'regex' => new MongoDB\BSON\Regex('pattern', 'i') ],
    [ 'code' => new MongoDB\BSON\Javascript('function() { return 1; }') ],
    [ 'code_ws' => new MongoDB\BSON\Javascript('function() { return a; }', ['a' => 1]) ],
    [ 'minkey' => new MongoDB\BSON\MinKey ],
    [ 'maxkey' => new MongoDB\BSON\MaxKey ],
];

foreach ($documents as $document) {
    $bson = MongoDB\BSON\fromPHP($document);
    echo MongoDB\BSON\toCanonicalExtendedJSON($bson), "\n";
}

?>
]]>
   </programlisting>
   &example.outputs;
   <screen>
<![CDATA[
{ "null" : null }
{ "boolean" : true }
{ "string" : "foo" }
{ "int32" : { "$numberInt" : "123" } }
{ "int64" : { "$numberLong" : "4294967295"} }
{ "double" : { "$numberDouble" : "1.0" } }
{ "nan" : { "$numberDouble" : "NaN" } }
{ "pos_inf" : { "$numberDouble" : "Infinity" } }
{ "neg_inf" : { "$numberDouble" : "-Infinity" } }
{ "array" : [ "foo", "bar" ] }
{ "document" : { "foo" : "bar" } }
{ "oid" : { "$oid" : "56315a7c6118fd1b920270b1" } }
{ "dec128" : { "$numberDecimal" : "1234.5678" } }
{ "binary" : { "$binary" : { "base64": "Zm9v", "subType" : "00" } } }
{ "date" : { "$date" : { "$numberLong" : "1445990400000" } } }
{ "timestamp" : { "$timestamp" : { "t" : 5678, "i" : 1234 } } }
{ "regex" : { "$regularExpression" : { "pattern" : "pattern", "options" : "i" } } }
{ "code" : { "$code" : "function() { return 1; }" } }
{ "code_ws" : { "$code" : "function() { return a; }", "$scope" : { "a" : { "$numberInt" : "1" } } } }
{ "minkey" : { "$minKey" : 1 } }
{ "maxkey" : { "$maxKey" : 1 } }
]]>
   </screen>
  </example>
 </refsect1>

 <refsect1 role="seealso">
  &reftitle.seealso;
  <simplelist>
   <member><methodname>MongoDB\BSON\Document::fromJSON</methodname></member>
   <member><methodname>MongoDB\BSON\Document::toCanonicalExtendedJSON</methodname></member>
   <member><function>MongoDB\BSON\fromJSON</function></member>
   <member><function>MongoDB\BSON\toRelaxedExtendedJSON</function></member>
   <member><link xlink:href="&url.mongodb.specs.extendedjson;">Extended JSON Specification</link></member>
   <member><link xlink:href="&url.mongodb.docs.bson;">MongoDB BSON</link></member>
  </simplelist>
 </refsect1>

</refentry>

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