mirror of
https://github.com/sigmasternchen/php-doc-en
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118 lines
3.3 KiB
XML
118 lines
3.3 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision$ -->
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<refentry xml:id="phardata.copy" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
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<refnamediv>
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<refname>PharData::copy</refname>
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<refpurpose>Copy a file internal to the phar archive to another new file within the phar</refpurpose>
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</refnamediv>
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<refsect1 role="description">
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&reftitle.description;
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<methodsynopsis>
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<modifier>public</modifier> <type>bool</type><methodname>PharData::copy</methodname>
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<methodparam><type>string</type><parameter>from</parameter></methodparam>
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<methodparam><type>string</type><parameter>to</parameter></methodparam>
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</methodsynopsis>
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<para>
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Copy a file internal to the tar/zip archive to another new file within the same archive.
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This is an object-oriented alternative to using <function>copy</function> with
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the phar stream wrapper.
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</para>
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</refsect1>
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<refsect1 role="parameters">
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&reftitle.parameters;
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<para>
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<variablelist>
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<varlistentry>
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<term><parameter>from</parameter></term>
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<listitem>
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<para>
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>to</parameter></term>
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<listitem>
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<para>
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</para>
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</refsect1>
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<refsect1 role="returnvalues">
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&reftitle.returnvalues;
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<para>
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returns &true; on success, but it is safer to encase method call in a
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try/catch block and assume success if no exception is thrown.
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</para>
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</refsect1>
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<refsect1 role="errors">
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&reftitle.errors;
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<para>
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throws <classname>UnexpectedValueException</classname> if the source file does not
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exist, the destination file already exists, write access is disabled, opening either
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file fails, reading the source file fails, or a <classname>PharException</classname>
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if writing the changes to the phar fails.
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</para>
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</refsect1>
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<refsect1 role="examples">
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&reftitle.examples;
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<para>
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<example>
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<title>A <function>PharData::copy</function> example</title>
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<para>
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This example shows using <function>PharData::copy</function> and the
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equivalent stream wrapper performance of the same thing. The primary
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difference between the two approaches is error handling. All PharData methods
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throw exceptions, whereas the stream wrapper uses <function>trigger_error</function>.
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</para>
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<programlisting role="php">
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<![CDATA[
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<?php
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try {
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$phar = new PharData('myphar.tar');
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$phar['a'] = 'hi';
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$phar->copy('a', 'b');
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echo $phar['b']; // outputs "phar://myphar.tar/b"
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} catch (Exception $e) {
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// handle error
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}
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// the stream wrapper equivalent of the above code.
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// E_WARNINGS are triggered on error rather than exceptions.
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copy('phar://myphar.tar/a', 'phar//myphar.tar/c');
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echo file_get_contents('phar://myphar.tar/c'); // outputs "hi"
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?>
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]]>
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</programlisting>
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</example>
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</para>
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</refsect1>
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</refentry>
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<!-- Keep this comment at the end of the file
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Local variables:
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mode: sgml
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sgml-omittag:t
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sgml-shorttag:t
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sgml-minimize-attributes:nil
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sgml-always-quote-attributes:t
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sgml-indent-step:1
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sgml-indent-data:t
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indent-tabs-mode:nil
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sgml-parent-document:nil
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sgml-default-dtd-file:"~/.phpdoc/manual.ced"
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sgml-exposed-tags:nil
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sgml-local-catalogs:nil
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sgml-local-ecat-files:nil
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End:
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vim600: syn=xml fen fdm=syntax fdl=2 si
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vim: et tw=78 syn=sgml
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vi: ts=1 sw=1
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-->
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