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109 lines
5.1 KiB
HTML
109 lines
5.1 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<head>
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<meta http-equiv="content-type" content="text/html; charset=UTF-8">
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<title>Returns the BSON representation of a JSON value</title>
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</head>
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<body class="docs"><div id="layout">
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<div id="layout-content"><div id="function.mongodb.bson-fromjson" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">MongoDB\BSON\fromJSON</h1>
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<p class="verinfo">(mongodb >=1.0.0)</p><p class="refpurpose"><span class="refname">MongoDB\BSON\fromJSON</span> — <span class="dc-title">Returns the BSON representation of a JSON value</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.mongodb.bson-fromjson-description">
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<h3 class="title">说明</h3>
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<div class="methodsynopsis dc-description">
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<span class="methodname"><strong>MongoDB\BSON\fromJSON</strong></span>
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( <span class="methodparam"><span class="type">string</span> <code class="parameter">$json</code></span>
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) : <span class="type">string</span></div>
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<p class="para rdfs-comment">
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Converts an
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<a href="https://docs.mongodb.com/manual/reference/mongodb-extended-json/" class="link external">» extended JSON</a>
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string to its BSON representation.
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.mongodb.bson-fromjson-parameters">
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<h3 class="title">参数</h3>
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<dl>
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<dt>
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<code class="parameter">json</code> (<span class="type"><a href="language.types.string.html" class="type string">string</a></span>)</dt>
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<dd>
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<p class="para">
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JSON value to be converted.
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</p>
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</dd>
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</dl>
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</div>
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<div class="refsect1 returnvalues" id="refsect1-function.mongodb.bson-fromjson-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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The serialized BSON document as a binary string.
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</p>
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</div>
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<div class="refsect1 errors" id="refsect1-function.mongodb.bson-fromjson-errors">
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<h3 class="title">错误／异常</h3>
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<ul class="simplelist">
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<li class="member">
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Throws
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<a href="class.mongodb_driver_exception_unexpectedvalueexception.html" class="classname">MongoDB\Driver\Exception\UnexpectedValueException</a> if
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the JSON value cannot be converted to BSON (e.g. due to a syntax error).
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</li>
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</ul>
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</div>
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<div class="refsect1 examples" id="refsect1-function.mongodb.bson-fromjson-examples">
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<h3 class="title">范例</h3>
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<div class="example" id="example-1704">
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<p><strong>Example #1 <span class="function"><strong>MongoDB\BSON\fromJSON()</strong></span> example</strong></p>
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<div class="example-contents">
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<div class="phpcode"><pre><span style="color: #000000">
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<span style="color: #0000BB"><?php<br /><br />$json </span><span style="color: #007700">= </span><span style="color: #DD0000">'{ "_id": { "$oid": "563143b280d2387c91807965" } }'</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$bson </span><span style="color: #007700">= </span><span style="color: #0000BB">MongoDB</span><span style="color: #007700">\</span><span style="color: #0000BB">BSON</span><span style="color: #007700">\</span><span style="color: #0000BB">fromJSON</span><span style="color: #007700">(</span><span style="color: #0000BB">$json</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$value </span><span style="color: #007700">= </span><span style="color: #0000BB">MongoDB</span><span style="color: #007700">\</span><span style="color: #0000BB">BSON</span><span style="color: #007700">\</span><span style="color: #0000BB">toPHP</span><span style="color: #007700">(</span><span style="color: #0000BB">$bson</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$value</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">?></span>
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</span>
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</pre></div>
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</div>
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<div class="example-contents"><p>以上例程会输出：</p></div>
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<div class="example-contents screen">
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<div class="cdata"><pre>
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object(stdClass)#2 (1) {
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["_id"]=>
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object(MongoDB\BSON\ObjectId)#1 (1) {
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["oid"]=>
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string(24) "563143b280d2387c91807965"
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}
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}
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</pre></div>
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</div>
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</div>
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</div>
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<div class="refsect1 seealso" id="refsect1-function.mongodb.bson-fromjson-seealso">
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<h3 class="title">参见</h3>
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<ul class="simplelist">
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<li class="member"><span class="function"><a href="mongodb.bson_tojson.html" class="function" rel="rdfs-seeAlso">MongoDB\BSON\toJSON()</a> - Returns the Legacy Extended JSON representation of a BSON value</span></li>
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<li class="member"><a href="https://docs.mongodb.com/manual/reference/mongodb-extended-json/" class="link external">» MongoDB Extended JSON</a></li>
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<li class="member"><a href="https://docs.mongodb.com/manual/reference/bson-types/" class="link external">» MongoDB BSON</a></li>
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</ul>
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</div>
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</div></div></div></body></html> |