phar.fileformat.comparison.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>Head-to-head comparison of Phar, Tar and Zip</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="phar.fileformat.stub.html">Phar file stub</a></div> <div class="next" style="text-align: right; float: right;"><a href="phar.fileformat.tar.html">Tar-based phars</a></div> <div class="up"><a href="phar.fileformat.html">What makes a phar a phar and not a tar or a zip?</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="phar.fileformat.comparison" class="section"> <h2 class="title">Head-to-head comparison of Phar, Tar and Zip</h2> <p class="para"> What are the good and the bad things about the three supported file formats in the phar extension? This table attempts to address that question. <table border="5"> <caption><b>Feature matrix: Phar vs. Tar vs. Zip</b></caption> <colgroup> <thead valign="middle"> <tr valign="middle"> <th colspan="1">Feature</th> <th colspan="1">Phar</th> <th colspan="1">Tar</th> <th colspan="1">Zip</th> </tr> </thead> <tbody valign="middle" class="tbody"> <tr valign="middle"> <td colspan="1" rowspan="1" align="left">Standard File Format</td> <td colspan="1" rowspan="1" align="left">No</td> <td colspan="1" rowspan="1" align="left">Yes</td> <td colspan="1" rowspan="1" align="left">Yes</td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left">Can be executed without the Phar Extension <a href="phar.fileformat.comparison.html#phar.fileformat.phartip" class="link">[1]</a> </td> <td colspan="1" rowspan="1" align="left">Yes</td> <td colspan="1" rowspan="1" align="left">No</td> <td colspan="1" rowspan="1" align="left">No</td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left">Per-file compression</td> <td colspan="1" rowspan="1" align="left">Yes</td> <td colspan="1" rowspan="1" align="left">No</td> <td colspan="1" rowspan="1" align="left">Yes</td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left">Whole-archive compression</td> <td colspan="1" rowspan="1" align="left">Yes</td> <td colspan="1" rowspan="1" align="left">Yes</td> <td colspan="1" rowspan="1" align="left">No</td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left">Whole-archive signature validation</td> <td colspan="1" rowspan="1" align="left">Yes</td> <td colspan="1" rowspan="1" align="left">Yes</td> <td colspan="1" rowspan="1" align="left">No</td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left">Web-specific application support</td> <td colspan="1" rowspan="1" align="left">Yes</td> <td colspan="1" rowspan="1" align="left">Yes</td> <td colspan="1" rowspan="1" align="left">Yes</td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left">Per-file Meta-data</td> <td colspan="1" rowspan="1" align="left">Yes</td> <td colspan="1" rowspan="1" align="left">Yes</td> <td colspan="1" rowspan="1" align="left">Yes</td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left">Whole-Archive Meta-data</td> <td colspan="1" rowspan="1" align="left">Yes</td> <td colspan="1" rowspan="1" align="left">Yes</td> <td colspan="1" rowspan="1" align="left">Yes</td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left">Archive creation/modification <a href="phar.fileformat.comparison.html#phar.fileformat.phartip2" class="link">[2]</a> </td> <td colspan="1" rowspan="1" align="left">Yes</td> <td colspan="1" rowspan="1" align="left">Yes</td> <td colspan="1" rowspan="1" align="left">Yes</td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left">Full support for all stream wrapper functions</td> <td colspan="1" rowspan="1" align="left">Yes</td> <td colspan="1" rowspan="1" align="left">Yes</td> <td colspan="1" rowspan="1" align="left">Yes</td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left">Can be created/modified even if phar.readonly=1 <a href="phar.fileformat.comparison.html#phar.fileformat.phartip3" class="link">[3]</a> </td> <td colspan="1" rowspan="1" align="left">No</td> <td colspan="1" rowspan="1" align="left">Yes</td> <td colspan="1" rowspan="1" align="left">Yes</td> </tr> </tbody> </colgroup> </table> </p> <p class="para" id="phar.fileformat.phartip" name="phar.fileformat.phartip"> <div class="tip"><b class="tip">Tip</b> <p class="para"> [1] PHP can only directly access the contents of a Phar archive without the Phar extension if it is using a <i>stub</i> that extracts the contents of the phar archive. The stub created by <a href="phar.createdefaultstub.html" class="function">Phar::createDefaultStub()</a> extracts the phar archive and runs its contents from a temporary directory if no phar extension is found. </p> </div> </p> <p class="para" id="phar.fileformat.phartip2" name="phar.fileformat.phartip2"> <div class="tip"><b class="tip">Tip</b> <p class="para"> [2] All write access requires <i>phar.readonly</i> to be disabled in php.ini or on the command-line directly. </p> </div> </p> <p class="para" id="phar.fileformat.phartip3" name="phar.fileformat.phartip3"> <div class="tip"><b class="tip">Tip</b> <p class="para"> [3] Only tar and zip archives without <i>.phar</i> in their filename and without an executable stub <i>.phar/stub.php</i> can be created if phar.readonly=1. </p> </div> </p> </div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="phar.fileformat.stub.html">Phar file stub</a></div> <div class="next" style="text-align: right; float: right;"><a href="phar.fileformat.tar.html">Tar-based phars</a></div> <div class="up"><a href="phar.fileformat.html">What makes a phar a phar and not a tar or a zip?</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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