📄 function.halt-compiler.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>Halts the compiler execution</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.get-browser.html">get_browser</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.highlight-file.html">highlight_file</a></div> <div class="up"><a href="ref.misc.html">Misc. Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="function.halt-compiler" class="refentry"> <div class="refnamediv"> <h1 class="refname">__halt_compiler</h1> <p class="verinfo">(No version information available, might be only in CVS)</p><p class="refpurpose"><span class="refname">__halt_compiler</span> — <span class="dc-title"> Halts the compiler execution </span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type"><span class="type void">void</span></span> <span class="methodname"><b><b>__halt_compiler</b></b></span> ( <span class="methodparam">void</span> )</div> <p class="para rdfs-comment"> Halts the execution of the compiler. This can be useful to embed data in PHP scripts, like the installation files. </p> <p class="para"> Byte position of the data start can be determined by the <b><tt>__COMPILER_HALT_OFFSET__</tt></b> constant which is defined only if there is a <b>__halt_compiler()</b> presented in the file. </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> No value is returned. </p> </div> <div class="refsect1 examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example"> <p><b>Example #1 A <b>__halt_compiler()</b> example</b></p> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br /><br /></span><span style="color: #FF8000">// open this file<br /></span><span style="color: #0000BB">$fp </span><span style="color: #007700">= </span><span style="color: #0000BB">fopen</span><span style="color: #007700">(</span><span style="color: #0000BB">__FILE__</span><span style="color: #007700">, </span><span style="color: #DD0000">'r'</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// seek file pointer to data<br /></span><span style="color: #0000BB">fseek</span><span style="color: #007700">(</span><span style="color: #0000BB">$fp</span><span style="color: #007700">, </span><span style="color: #0000BB">__COMPILER_HALT_OFFSET__</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// and output it<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">stream_get_contents</span><span style="color: #007700">(</span><span style="color: #0000BB">$fp</span><span style="color: #007700">));<br /><br /></span><span style="color: #FF8000">// the end of the script execution<br /></span><span style="color: #007700">__halt_compiler();</span><span style="color: #0000BB">the installation data </span><span style="color: #007700">(</span><span style="color: #0000BB">eg</span><span style="color: #007700">. </span><span style="color: #0000BB">tar</span><span style="color: #007700">, </span><span style="color: #0000BB">gz</span><span style="color: #007700">, </span><span style="color: #0000BB">PHP</span><span style="color: #007700">, </span><span style="color: #0000BB">etc</span><span style="color: #007700">.)</span></span></code></div> </div> </div> </p> </div> <div class="refsect1 notes"> <h3 class="title">Notes</h3> <blockquote><p><b class="note">Note</b>: <b>__halt_compiler()</b> can only be used from the outermost scope. <br /> </p></blockquote> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.get-browser.html">get_browser</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.highlight-file.html">highlight_file</a></div> <div class="up"><a href="ref.misc.html">Misc. 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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