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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>Copy a file internal to the phar archive to another new file within the phar</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="phardata.converttoexecutable.html">PharData::convertToExecutable</a></div> <div class="next" style="text-align: right; float: right;"><a href="phardata.decompress.html">PharData::decompress</a></div> <div class="up"><a href="class.PharData.html">PharData</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="phardata.copy" class="refentry"> <div class="refnamediv"> <h1 class="refname">PharData::copy</h1> <p class="verinfo">(No version information available, might be only in CVS)</p><p class="refpurpose"><span class="refname">PharData::copy</span> — <span class="dc-title">Copy a file internal to the phar archive to another new file within the phar</span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">bool</span> <span class="methodname"><b><b>PharData::copy</b></b></span> ( <span class="methodparam"><span class="type">string</span> <tt class="parameter">$oldfile</tt></span> , <span class="methodparam"><span class="type">string</span> <tt class="parameter">$newfile</tt></span> )</div> <p class="para rdfs-comment"> Copy a file internal to the tar/zip archive to another new file within the same archive. This is an object-oriented alternative to using <a href="function.copy.html" class="function">copy()</a> with the phar stream wrapper. </p> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><i><tt class="parameter">oldfile</tt></i></span> <dd> <p class="para"> </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">newfile</tt></i></span> <dd> <p class="para"> </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> returns <b><tt>TRUE</tt></b> on success, but it is safer to encase method call in a try/catch block and assume success if no exception is thrown. </p> </div> <div class="refsect1 errors"> <h3 class="title">Errors/Exceptions</h3> <p class="para"> throws <b class="classname">UnexpectedValueException</b> if the source file does not exist, the destination file already exists, write access is disabled, opening either file fails, reading the source file fails, or a <a href="class.PharException.html" class="classname">PharException</a> if writing the changes to the phar fails. </p> </div> <div class="refsect1 examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example"> <p><b>Example #1 A <b>PharData::copy()</b> example</b></p> <div class="example-contents"><p> This example shows using <b>PharData::copy()</b> and the equivalent stream wrapper performance of the same thing. The primary difference between the two approaches is error handling. All PharData methods throw exceptions, whereas the stream wrapper uses <a href="function.trigger-error.html" class="function">trigger_error()</a>. </p></div> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br /></span><span style="color: #007700">try {<br /> </span><span style="color: #0000BB">$phar </span><span style="color: #007700">= new </span><span style="color: #0000BB">PharData</span><span style="color: #007700">(</span><span style="color: #DD0000">'myphar.tar'</span><span style="color: #007700">);<br /> </span><span style="color: #0000BB">$phar</span><span style="color: #007700">[</span><span style="color: #DD0000">'a'</span><span style="color: #007700">] = </span><span style="color: #DD0000">'hi'</span><span style="color: #007700">;<br /> </span><span style="color: #0000BB">$phar</span><span style="color: #007700">-></span><span style="color: #0000BB">copy</span><span style="color: #007700">(</span><span style="color: #DD0000">'a'</span><span style="color: #007700">, </span><span style="color: #DD0000">'b'</span><span style="color: #007700">);<br /> echo </span><span style="color: #0000BB">$phar</span><span style="color: #007700">[</span><span style="color: #DD0000">'b'</span><span style="color: #007700">]; </span><span style="color: #FF8000">// outputs "hi"<br /></span><span style="color: #007700">} catch (</span><span style="color: #0000BB">Exception $e</span><span style="color: #007700">) {<br /> </span><span style="color: #FF8000">// handle error<br /></span><span style="color: #007700">}<br /><br /></span><span style="color: #FF8000">// the stream wrapper equivalent of the above code.<br />// E_WARNINGS are triggered on error rather than exceptions.<br /></span><span style="color: #0000BB">copy</span><span style="color: #007700">(</span><span style="color: #DD0000">'phar://myphar.tar/a'</span><span style="color: #007700">, </span><span style="color: #DD0000">'phar//myphar.tar/c'</span><span style="color: #007700">);<br />echo </span><span style="color: #0000BB">file_get_contents</span><span style="color: #007700">(</span><span style="color: #DD0000">'phar://myphar.tar/c'</span><span style="color: #007700">); </span><span style="color: #FF8000">// outputs "hi"<br /></span><span style="color: #0000BB">?></span></span></code></div> </div> </div> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="phardata.converttoexecutable.html">PharData::convertToExecutable</a></div> <div class="next" style="text-align: right; float: right;"><a href="phardata.decompress.html">PharData::decompress</a></div> <div class="up"><a href="class.PharData.html">PharData</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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