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
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
|
<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision: 297028 $ -->
<refentry xml:id="function.date-default-timezone-get" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>date_default_timezone_get</refname>
<refpurpose>
Gets the default timezone used by all date/time functions in a script
</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type>string</type><methodname>date_default_timezone_get</methodname>
<void/>
</methodsynopsis>
<para>
In order of preference, this function returns the default timezone by:
<itemizedlist>
<listitem>
<para>
Reading the timezone set using the
<function>date_default_timezone_set</function> function (if any)
</para>
</listitem>
<listitem>
<para>
Reading the <varname>TZ</varname> environment variable (if non empty)
</para>
</listitem>
<listitem>
<para>
Reading the value of the <link linkend="ini.date.timezone">date.timezone</link> ini option
(if set)
</para>
</listitem>
<listitem>
<para>
Querying the host operating system (if supported and allowed by the OS)
</para>
</listitem>
</itemizedlist>
</para>
<para>
If none of the above succeed, <methodname>date_default_timezone_get</methodname>
will return a default timezone of <literal>UTC</literal>.
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
Returns a <type>string</type>.
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title>Getting the default timezone</title>
<programlisting role="php">
<![CDATA[
<?php
date_default_timezone_set('Europe/London');
if (date_default_timezone_get()) {
echo 'date_default_timezone_set: ' . date_default_timezone_get() . '<br />';
}
if (ini_get('date.timezone')) {
echo 'date.timezone: ' . ini_get('date.timezone');
}
?>
]]>
</programlisting>
&example.outputs.similar;
<screen>
<![CDATA[
date_default_timezone_set: Europe/London
date.timezone: Europe/London
]]>
</screen>
</example>
</para>
<para>
<example>
<title>Getting the abbreviation of a timezone</title>
<programlisting role="php">
<![CDATA[
<?php
date_default_timezone_set('America/Los_Angeles');
echo date_default_timezone_get() . ' => ' . date('e') . ' => ' . date('T');
?>
]]>
</programlisting>
&example.outputs;
<screen>
<![CDATA[
America/Los_Angeles => America/Los_Angeles => PST
]]>
</screen>
</example>
</para>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><function>date_default_timezone_set</function></member>
<member><xref linkend="timezones" /></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:"~/.phpdoc/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
-->
|
