cvs: phpdoc-zh /language references.xml
| From: | Gang Chen | Date: | Fri, 19 Dec 2008 04:07:06 +0000 |
| Subject: | cvs: phpdoc-zh /language references.xml | ||
| Groups: | php.doc.zh | ||
| Request: | Send a blank email to doc-zh+get-3126@lists.php.net to get a copy of this message | ||
eniac2008 Fri Dec 19 04:07:06 2008 UTC
Modified files:
/phpdoc-zh/language references.xml
Log:
Sync with EN-Revision 1.50
http://cvs.php.net/viewvc.cgi/phpdoc-zh/language/references.xml?r1=1.11&r2=1.12&diff_format=u
Index: phpdoc-zh/language/references.xml
diff -u phpdoc-zh/language/references.xml:1.11 phpdoc-zh/language/references.xml:1.12
--- phpdoc-zh/language/references.xml:1.11 Sat Jun 23 13:32:42 2007
+++ phpdoc-zh/language/references.xml Fri Dec 19 04:07:06 2008
@@ -1,7 +1,8 @@
<?xml version="1.0" encoding="gb2312"?>
-<!-- $Revision: 1.11 $ -->
-<!-- $Author: bjori $ -->
-<!-- EN-Revision: 1.46 Maintainer: dallas Status: ready -->
+<!-- $Revision: 1.12 $ -->
+<!-- $Author: eniac2008 $ -->
+<!-- EN-Revision: 1.50 Maintainer: Altair Status: ready -->
+<!-- CREDITS: dallas -->
<chapter xml:id="language.references" xmlns="http://docbook.org/ns/docbook">
<title>ÒýÓõĽâÊÍ</title>
@@ -43,6 +44,31 @@
Èç¹û¾ßÓÐÒýÓõÄÊý×é±»¿½±´£¬ÆäÖµ²»»á½â³ýÒýÓ᣶ÔÓÚÊý×é´«Öµ¸øº¯ÊýÒ²ÊÇÈç´Ë¡£
</para>
</note>
+ <note>
+ <para>
+
Èç¹û¶ÔÒ»¸ö䶨ÒåµÄ±äÁ¿½øÐÐÒýÓø³Öµ¡¢ÒýÓòÎÊý´«µÝ»òÒýÓ÷µ»Ø£¬Ôò»á×Ô¶¯´´½¨¸Ã±äÁ¿¡£
+ <example>
+ <title>¶Ô䶨ÒåµÄ±äÁ¿Ê¹ÓÃÒýÓÃ</title>
+ <programlisting role="php">
+<![CDATA[
+<?php
+function foo(&$var) { }
+
+foo($a); // $a is "created" and assigned to null
+
+$b = array();
+foo($b['b']);
+var_dump(array_key_exists('b', $b)); // bool(true)
+
+$c = new StdClass;
+foo($c->d);
+var_dump(property_exists($c, 'd')); // bool(true)
+?>
+]]>
+ </programlisting>
+ </example>
+ </para>
+ </note>
<para>
ͬÑùµÄÓï·¨¿ÉÒÔÓÃÔÚº¯ÊýÖУ¬Ëü·µ»ØÒýÓã¬ÒÔ¼°ÓÃÔÚ
<literal>new</literal>
ÔËËã·ûÖУ¨PHP 4.0.4 ÒÔ¼°ÒÔºó°æ±¾£©£º
@@ -131,31 +157,6 @@
</example>
</para>
</note>
- <warning>
- <para>
-
¸´ÔÓÊý×é×îºÃ¿½±´¶ø²»ÊÇÒýÓá£ÏÂÃæµÄÀý×Ó²»»áÈçÆÚÍûÖÐÄÇÑù¹¤×÷¡£
- <example>
- <title>¸´ÔÓÊý×éµÄÒýÓÃ</title>
- <programlisting role="php">
-<![CDATA[
-<?php
-$top = array(
- 'A' => array(),
- 'B' => array(
- 'B_b' => array(),
- ),
-);
-
-$top['A']['parent'] = &$top;
-$top['B']['parent'] = &$top;
-$top['B']['B_b']['data'] = 'test';
-print_r($top['A']['parent']['B']['B_b']); // array()
-?>
-]]>
- </programlisting>
- </example>
- </para>
- </warning>
<para>
ÒýÓÃ×öµÄµÚ¶þ¼þÊÂÊÇÓÃÒýÓô«µÝ±äÁ¿¡£ÕâÊÇͨ¹ýÔÚº¯ÊýÄÚ½¨Á¢Ò»¸ö±¾µØ±äÁ¿²¢ÇҸñäÁ¿ÔÚºô½Ð·¶Î§ÄÚÒýÓÃÁËͬһ¸öÄÚÈÝÀ´ÊµÏֵġ£ÀýÈ磺
<informalexample>
@@ -297,34 +298,38 @@
<para>
ÒýÓ÷µ»ØÓÃÔÚµ±ÏëÓú¯ÊýÕÒµ½ÒýÓÃÓ¦¸Ã±»°ó¶¨ÔÚÄÄÒ»¸ö±äÁ¿ÉÏÃæʱ¡£<emphasis>²»Òª</emphasis>Ó÷µ»ØÒýÓÃÀ´Ôö¼ÓÐÔÄÜ£¬ÒýÇæ×ã¹»´ÏÃ÷À´×Ô¼º½øÐÐÓÅ»¯¡£½öÔÚÓкÏÀíµÄ¼¼ÊõÔÒòʱ²Å·µ»ØÒýÓã¡Òª·µ»ØÒýÓã¬Ê¹ÓôËÓï·¨£º
<informalexample>
- <programlisting role="php">
+ <programlisting role="php">
<![CDATA[
<?php
-function &find_var($param)
-{
- /* ...code... */
- return $found_var;
+class foo {
+ public $value = 42;
+
+ public function &getValue() {
+ return $this->value;
+ }
}
-$foo =& find_var($bar);
-$foo->x = 2;
-?>
+$obj = new foo;
+$myValue = &$obj->getValue(); // $myValue is a reference to $obj->value, which is 42.
+$obj->value = 2;
+echo $myValue; // prints the new value of $obj->value, i.e. 2.
+?>
]]>
- </programlisting>
+ </programlisting>
</informalexample>
- ±¾ÀýÖÐ <varname>find_var</varname>
º¯ÊýËù·µ»ØµÄ¶ÔÏóµÄÊôÐÔ½«±»¸³Öµ£¬¶ø²»ÊÇ¿½±´£¬¾ÍºÍûÓÐÓÃÒýÓÃÓï·¨Ò»Ñù¡£
+ ±¾ÀýÖÐ <varname>getValue</varname>
º¯ÊýËù·µ»ØµÄ¶ÔÏóµÄÊôÐÔ½«±»¸³Öµ£¬¶ø²»ÊÇ¿½±´£¬¾ÍºÍûÓÐÓÃÒýÓÃÓï·¨Ò»Ñù¡£
</para>
<note>
<simpara>
ºÍ²ÎÊý´«µÝ²»Í¬£¬ÕâÀï±ØÐëÔÚÁ½¸öµØ·½¶¼ÓÃ
<literal>&</literal>
-
·ûºÅ¡ª¡ªÖ¸³ö·µ»ØµÄÊÇÒ»¸öÒýÓ㬶ø²»ÊÇͨ³£µÄÒ»¸ö¿½±´£¬Í¬ÑùÒ²Ö¸³ö
<varname>$foo</varname>
+
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<varname>$myValue</varname>
ÊÇ×÷ΪÒýÓõİ󶨣¬¶ø²»ÊÇͨ³£µÄ¸³Öµ¡£
</simpara>
</note>
<note>
<simpara>
Èç¹ûÊÔͼÕâÑù´Óº¯Êý·µ»ØÒýÓãº<literal>return
-
($found_var);</literal>£¬Õ⽫<emphasis>²»»á</emphasis>Æð×÷Óã¬ÒòΪÔÚÊÔͼ·µ»ØÒ»¸ö<emphasis>±í´ïʽ</emphasis>µÄ½á¹û¶ø²»ÊÇÒ»¸öÒýÓõıäÁ¿¡£Ö»ÄÜ´Óº¯Êý·µ»ØÒýÓñäÁ¿¡ª¡ªÃ»±ðµÄ·½·¨¡£Èç¹û´úÂëÊÔͼ·µ»ØÒ»¸ö¶¯Ì¬±í´ïʽ»ò
+
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<literal>new</literal> ÔËËã·ûµÄ½á¹û£¬×Ô PHP 4.4.0 ºÍ PHP 5.1.0
Æð»á·¢³öÒ»Ìõ
<constant>E_NOTICE</constant> ´íÎó¡£
</simpara>