File: offsetGet.xml

package info (click to toggle)
php-doc 20081024-1
  • links: PTS
  • area: main
  • in suites: lenny
  • size: 57,752 kB
  • ctags: 3,858
  • sloc: xml: 686,554; php: 19,446; perl: 610; cpp: 500; makefile: 336; sh: 114; awk: 28
file content (122 lines) | stat: -rw-r--r-- 3,172 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.2 $ -->
<refentry xmlns="http://docbook.org/ns/docbook" xml:id="phar.offsetget">
 <refnamediv>
  <refname>Phar::offsetGet</refname>
  <refpurpose>get a PharFileInfo object for a specific file</refpurpose>
 </refnamediv>
 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>int</type><methodname>Phar::offsetGet</methodname>
   <methodparam><type>string</type><parameter>offset</parameter></methodparam>
  </methodsynopsis>

  <para>
   This is an implementation of the <interfacename>ArrayAccess</interfacename> interface allowing
   direct manipulation of the contents of a Phar archive using
   array access brackets.  offsetGet is used for retrieving files from
   a Phar archive.
  </para>

 </refsect1>
 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>offset</parameter></term>
     <listitem>
      <para>
       The filename (relative path) to look for in a Phar.
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>
 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   A <classname>PharFileInfo</classname> object is returned that can be used to
   iterate over a file's contents or to retrieve information about the current file.
  </para>
 </refsect1>

 <refsect1 role="errors">
  &reftitle.errors;
  <para>
   This method throws <classname>BadMethodCallException</classname> if the file
   does not exist in the Phar archive.
  </para>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title>A <function>Phar::offsetGet</function> example</title>
    <para>
     As with all classes that implement the <classname>ArrayAccess</classname>
     interface, offsetGet is automatically called when using the [] angle bracket
     operator
    </para>
    <programlisting role="php">
<![CDATA[
<?php
$p = new Phar(dirname(__FILE__) . '/myphar.phar', 0, 'myphar.phar');
$p['exists.txt'] = "file exists\n";
try {
    // automatically calls offsetGet()
    echo $p['exists.txt'];
    echo $p['doesnotexist.txt'];
} catch (BadMethodCallException $e) {
    echo $e;
}
?>
]]>
    </programlisting>
    &example.outputs;
    <screen>
<![CDATA[
file exists
Entry doesnotexist.txt does not exist
]]>
    </screen>
   </example>
  </para>
 </refsect1>
 
 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><function>Phar::offsetExists</function></member>
    <member><function>Phar::offsetSet</function></member>
    <member><function>Phar::offsetUnset</function></member>
   </simplelist>
  </para>
 </refsect1>

</refentry>

<!-- Keep this comment at the end of the file
Local variables:
mode: sgml
sgml-omittag:t
sgml-shorttag:t
sgml-minimize-attributes:nil
sgml-always-quote-attributes:t
sgml-indent-step:1
sgml-indent-data:t
indent-tabs-mode:nil
sgml-parent-document:nil
sgml-default-dtd-file:"../../../../manual.ced"
sgml-exposed-tags:nil
sgml-local-catalogs:nil
sgml-local-ecat-files:nil
End:
vim600: syn=xml fen fdm=syntax fdl=2 si
vim: et tw=78 syn=sgml
vi: ts=1 sw=1
-->