📄 function.shell-exec.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head> <title>Execute command via shell and return the complete output as a string</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> </head> <body><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.proc-terminate.html">proc_terminate</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.system.html">system</a></div> <div class="up"><a href="ref.exec.html">Program execution Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="function.shell-exec" class="refentry"> <div class="refnamediv"> <h1 class="refname">shell_exec</h1> <p class="verinfo">(PHP 4, PHP 5)</p><p class="refpurpose"><span class="refname">shell_exec</span> — <span class="dc-title">Execute command via shell and return the complete output as a string</span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">string</span> <span class="methodname"><b><b>shell_exec</b></b></span> ( <span class="methodparam"><span class="type">string</span> <tt class="parameter">$cmd</tt></span> )</div> <p class="para rdfs-comment"> This function is identical to the <a href="language.operators.execution.html" class="link">backtick operator</a>. </p> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><i><tt class="parameter">cmd</tt></i></span> <dd> <p class="para"> The command that will be executed. </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> The output from the executed command. </p> </div> <div class="refsect1 examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example"> <p><b>Example #1 A <b>shell_exec()</b> example</b></p> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br />$output </span><span style="color: #007700">= </span><span style="color: #0000BB">shell_exec</span><span style="color: #007700">(</span><span style="color: #DD0000">'ls -lart'</span><span style="color: #007700">);<br />echo </span><span style="color: #DD0000">"<pre>$output</pre>"</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">?></span></span></code></div> </div> </div> </p> </div> <div class="refsect1 notes"> <h3 class="title">Notes</h3> <blockquote><p><b class="note">Note</b>: This function is disabled when PHP is running in <a href="features.safe-mode.html" class="link">safe mode</a>. <br /> </p></blockquote> </div> <div class="refsect1 seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"><a href="function.exec.html" class="function" rel="rdfs-seeAlso">exec()</a></li> <li class="member"><a href="function.escapeshellcmd.html" class="function" rel="rdfs-seeAlso">escapeshellcmd()</a></li> </ul> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.proc-terminate.html">proc_terminate</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.system.html">system</a></div> <div class="up"><a href="ref.exec.html">Program execution Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div></body></html>⌨️ 快捷键说明
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