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- <title>Invokes function args</title>
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- <div class="refnamediv">
- <h1 class="refname">ReflectionFunction::invokeArgs</h1>
- <p class="verinfo">(PHP 5 >= 5.1.0)</p><p class="refpurpose"><span class="refname">ReflectionFunction::invokeArgs</span> — <span class="dc-title">Invokes function args</span></p>
- </div>
- <div class="refsect1 description" id="refsect1-reflectionfunction.invokeargs-description">
- <h3 class="title">说明</h3>
- <div class="methodsynopsis dc-description">
- <span class="modifier">public</span> <span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span> <span class="methodname"><strong>ReflectionFunction::invokeArgs</strong></span>
- ( <span class="methodparam"><span class="type">array</span> <code class="parameter">$args</code></span>
- )</div>
- <p class="para rdfs-comment">
- Invokes the function and pass its arguments as array.
- </p>
- </div>
- <div class="refsect1 parameters" id="refsect1-reflectionfunction.invokeargs-parameters">
- <h3 class="title">参数</h3>
- <p class="para">
- <dl>
- <dt>
- <span class="term"><em><code class="parameter">args</code></em></span>
- <dd>
- <p class="para">
- The passed arguments to the function as an array, much like
- <span class="function"><a href="function.call-user-func-array.html" class="function">call_user_func_array()</a></span> works.
- </p>
- </dd>
- </dt>
- </dl>
- </p>
- </div>
- <div class="refsect1 returnvalues" id="refsect1-reflectionfunction.invokeargs-returnvalues">
- <h3 class="title">返回值</h3>
- <p class="para">
- Returns the result of the invoked function
- </p>
- </div>
- <div class="refsect1 examples" id="refsect1-reflectionfunction.invokeargs-examples">
- <h3 class="title">范例</h3>
- <p class="para">
- <div class="example" id="example-4983">
- <p><strong>Example #1 <span class="methodname"><strong>ReflectionFunction::invokeArgs()</strong></span> example</strong></p>
- <div class="example-contents">
- <div class="phpcode"><code><span style="color: #000000">
- <span style="color: #0000BB"><?php<br /></span><span style="color: #007700">function </span><span style="color: #0000BB">title</span><span style="color: #007700">(</span><span style="color: #0000BB">$title</span><span style="color: #007700">, </span><span style="color: #0000BB">$name</span><span style="color: #007700">)<br />{<br /> return </span><span style="color: #0000BB">sprintf</span><span style="color: #007700">(</span><span style="color: #DD0000">"%s. %s\r\n"</span><span style="color: #007700">, </span><span style="color: #0000BB">$title</span><span style="color: #007700">, </span><span style="color: #0000BB">$name</span><span style="color: #007700">);<br />}<br /><br /></span><span style="color: #0000BB">$function </span><span style="color: #007700">= new </span><span style="color: #0000BB">ReflectionFunction</span><span style="color: #007700">(</span><span style="color: #DD0000">'title'</span><span style="color: #007700">);<br /><br />echo </span><span style="color: #0000BB">$function</span><span style="color: #007700">-></span><span style="color: #0000BB">invokeArgs</span><span style="color: #007700">(array(</span><span style="color: #DD0000">'Dr'</span><span style="color: #007700">, </span><span style="color: #DD0000">'Phil'</span><span style="color: #007700">));<br /></span><span style="color: #0000BB">?></span>
- </span>
- </code></div>
- </div>
- <div class="example-contents"><p>以上例程会输出:</p></div>
- <div class="example-contents screen">
- <div class="cdata"><pre>
- Dr. Phil
- </pre></div>
- </div>
- </div>
- </p>
- <p class="para">
- <div class="example" id="example-4984">
- <p><strong>Example #2 <span class="methodname"><strong>ReflectionFunction::invokeArgs()</strong></span> with references example</strong></p>
- <div class="example-contents">
- <div class="phpcode"><code><span style="color: #000000">
- <span style="color: #0000BB"><?php<br /></span><span style="color: #007700">function </span><span style="color: #0000BB">get_false_conditions</span><span style="color: #007700">(array </span><span style="color: #0000BB">$conditions</span><span style="color: #007700">, array &</span><span style="color: #0000BB">$false_conditions</span><span style="color: #007700">)<br />{<br /> foreach (</span><span style="color: #0000BB">$conditions </span><span style="color: #007700">as </span><span style="color: #0000BB">$condition</span><span style="color: #007700">) {<br /> if (!</span><span style="color: #0000BB">$condition</span><span style="color: #007700">) {<br /> </span><span style="color: #0000BB">$false_conditions</span><span style="color: #007700">[] = </span><span style="color: #0000BB">$condition</span><span style="color: #007700">;<br /> }<br /> }<br />}<br /><br /></span><span style="color: #0000BB">$function_ref </span><span style="color: #007700">= new </span><span style="color: #0000BB">ReflectionFunction</span><span style="color: #007700">(</span><span style="color: #DD0000">'get_false_conditions'</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$conditions </span><span style="color: #007700">= array(</span><span style="color: #0000BB">true</span><span style="color: #007700">, </span><span style="color: #0000BB">false</span><span style="color: #007700">, -</span><span style="color: #0000BB">1</span><span style="color: #007700">, </span><span style="color: #0000BB">0</span><span style="color: #007700">, </span><span style="color: #0000BB">1</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$false_conditions </span><span style="color: #007700">= array();<br /><br /></span><span style="color: #0000BB">$function_ref</span><span style="color: #007700">-></span><span style="color: #0000BB">invokeArgs</span><span style="color: #007700">(array(</span><span style="color: #0000BB">$conditions</span><span style="color: #007700">, &</span><span style="color: #0000BB">$false_conditions</span><span style="color: #007700">));<br /><br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$false_conditions</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?></span>
- </span>
- </code></div>
- </div>
- <div class="example-contents"><p>以上例程会输出:</p></div>
- <div class="example-contents screen">
- <div class="cdata"><pre>
- array(2) {
- [0]=>
- bool(false)
- [1]=>
- int(0)
- }
- </pre></div>
- </div>
- </div>
- </p>
- </div>
- <div class="refsect1 notes" id="refsect1-reflectionfunction.invokeargs-notes">
- <h3 class="title">注释</h3>
- <blockquote class="note"><p><strong class="note">Note</strong>:
- <p class="para">
- 如果函数有参数需为引用, 那么它们必须以引用方式传入.
- </p>
- </p></blockquote>
- </div>
- <div class="refsect1 seealso" id="refsect1-reflectionfunction.invokeargs-seealso">
- <h3 class="title">参见</h3>
- <p class="para">
- <ul class="simplelist">
- <li class="member"> <span class="methodname"><a href="reflectionfunction.invoke.html" class="methodname" rel="rdfs-seeAlso">ReflectionFunction::invoke()</a> - Invokes function</span></li>
- <li class="member"> <span class="methodname"><a href="reflectionfunctionabstract.getnumberofparameters.html" class="methodname" rel="rdfs-seeAlso">ReflectionFunctionAbstract::getNumberOfParameters()</a> - Gets number of parameters</span></li>
- <li class="member"><a href="language.oop5.magic.html#object.invoke" class="link">__invoke()</a></li>
- <li class="member"> <span class="function"><a href="function.call-user-func-array.html" class="function" rel="rdfs-seeAlso">call_user_func_array()</a> - Call a callback with an array of parameters</span></li>
- </ul>
- </p>
- </div>
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