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
138
139
140
141
142
143
144
145
146
|
<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<refentry xml:id="intlcalendar.fielddifference" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<refnamediv>
<refname>IntlCalendar::fieldDifference</refname>
<refpurpose>Calculate difference between given time and this objectʼs time</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<para>
&style.oop;
</para>
<methodsynopsis role="IntlCalendar">
<modifier>public</modifier> <type class="union"><type>int</type><type>false</type></type><methodname>IntlCalendar::fieldDifference</methodname>
<methodparam><type>float</type><parameter>timestamp</parameter></methodparam>
<methodparam><type>int</type><parameter>field</parameter></methodparam>
</methodsynopsis>
<para>
&style.procedural;
</para>
<methodsynopsis>
<type class="union"><type>int</type><type>false</type></type><methodname>intlcal_field_difference</methodname>
<methodparam><type>IntlCalendar</type><parameter>calendar</parameter></methodparam>
<methodparam><type>float</type><parameter>timestamp</parameter></methodparam>
<methodparam><type>int</type><parameter>field</parameter></methodparam>
</methodsynopsis>
<para>
Return the difference between the given time and the time this object is
set to, with respect to the quantity specified the
<parameter>field</parameter> parameter.
</para>
<para>
This method is meant to be called successively, first with the most
significant field of interest down to the least significant field. To this
end, as a side effect, this calendarʼs value for the field specified is
advanced by the amount returned.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<variablelist>
<varlistentry>
<term><parameter>calendar</parameter></term>
<listitem>
&intl.parameter.intl-calendar;
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>timestamp</parameter></term>
<listitem>
<para>
The time against which to compare the quantity represented by the
<parameter>field</parameter>. For the result to be positive, the time
given for this parameter must be ahead of the time of the object the
method is being invoked on.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>field</parameter></term>
<listitem>
<para>
The field that represents the quantity being compared.
</para>
&reference.intl.incfieldparam;
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
Returns a (signed) difference of time in the unit associated with the
specified field&return.falseforfailure;.
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title><function>IntlCalendar::fieldDifference</function></title>
<programlisting role="php">
<![CDATA[
<?php
ini_set('date.timezone', 'Europe/Lisbon');
ini_set('intl.default_locale', 'fr_FR');
$cal1 = IntlCalendar::fromDateTime('2012-02-29 09:00:11');
$cal2 = IntlCalendar::fromDateTime('2013-03-01 09:19:29');
$time = $cal2->getTime();
echo "Time before: ", IntlDateFormatter::formatObject($cal1), "\n";
printf(
"The difference in time is %d year(s), %d month(s), "
. "%d day(s), %d hour(s) and %d minute(s)\n",
$cal1->fieldDifference($time, IntlCalendar::FIELD_YEAR),
$cal1->fieldDifference($time, IntlCalendar::FIELD_MONTH),
$cal1->fieldDifference($time, IntlCalendar::FIELD_DAY_OF_MONTH),
$cal1->fieldDifference($time, IntlCalendar::FIELD_HOUR_OF_DAY),
$cal1->fieldDifference($time, IntlCalendar::FIELD_MINUTE)
);
//now it was advanced to the target time, exception for the seconds,
//for which we did not measure the difference
echo "Time after: ", IntlDateFormatter::formatObject($cal1), "\n";
]]>
</programlisting>
&example.outputs;
<screen>
<![CDATA[
Time before: 29 févr. 2012 09:00:11
The difference in time is 1 year(s), 0 month(s), 1 day(s), 0 hour(s) and 19 minute(s)
Time after: 1 mars 2013 09:19:11
]]>
</screen>
</example>
</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
-->
|
