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List:       php-doc-cvs
Subject:    [DOC-CVS] =?utf-8?q?svn:_/phpdoc/en/trunk/language/types/_array.xml_string.xml?=
From:       Nikita_Popov <nikic () php ! net>
Date:       2012-08-25 14:37:42
Message-ID: svn-nikic-1345905462-327267-2118596622 () svn ! php ! net
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nikic                                    Sat, 25 Aug 2012 14:37:42 +0000

Revision: http://svn.php.net/viewvc?view=revision&revision=327267

Log:
Move string offset peculiarities between PHP versions off into the string offset docs

Changed paths:
    U   phpdoc/en/trunk/language/types/array.xml
    U   phpdoc/en/trunk/language/types/string.xml

Modified: phpdoc/en/trunk/language/types/array.xml
===================================================================
--- phpdoc/en/trunk/language/types/array.xml	2012-08-25 12:00:56 UTC (rev 327266)
+++ phpdoc/en/trunk/language/types/array.xml	2012-08-25 14:37:42 UTC (rev 327267)
@@ -118,65 +118,6 @@
      </listitem>
     </itemizedlist>
    </para>
-
-   <para>
-    From PHP 5.4, string offset access made consistent. As a result, some return \
                values may be
-    different from older version. As of PHP 5.4, string offsets should be an integer \
                or an integer like
-    string, otherwise the result will be a warning.
-   </para>
-
-   <example>
-    <title>String offset access example</title>
-    <programlisting role="php">
-<![CDATA[
-<?php
-$str = 'abc';
-
-var_dump($str['1']);
-var_dump(isset($str['1']));
-
-var_dump($str['1.0']);
-var_dump(isset($str['1.0']));
-
-var_dump($str['x']);
-var_dump(isset($str['x']));
-
-var_dump($str['1x']);
-var_dump(isset($str['1x']));
-?>
-]]>
-    </programlisting>
-    &example.outputs.53;
-    <screen>
-<![CDATA[
-string(1) "b"
-bool(true)
-string(1) "b"
-bool(true)
-string(1) "a"
-bool(true)
-string(1) "b"
-bool(true)
-]]>
-    </screen>
-    &example.outputs.54;
-    <screen>
-<![CDATA[
-string(1) "b"
-bool(true)
-
-Warning: Illegal string offset '1.0' in /tmp/t.php on line 7
-string(1) "b"
-bool(false)
-
-Warning: Illegal string offset 'x' in /tmp/t.php on line 9
-string(1) "a"
-bool(false)
-string(1) "b"
-bool(false)
-]]>
-    </screen>
-   </example>

    <para>
     If multiple elements in the array declaration use the same key, only the last \
one

Modified: phpdoc/en/trunk/language/types/string.xml
===================================================================
--- phpdoc/en/trunk/language/types/string.xml	2012-08-25 12:00:56 UTC (rev 327266)
+++ phpdoc/en/trunk/language/types/string.xml	2012-08-25 14:37:42 UTC (rev 327267)
@@ -787,7 +787,65 @@
 ]]>
     </programlisting>
    </example>
+
+   <para>
+    As of PHP 5.4 string offsets have to either be integers or integer-like strings, \
otherwise a warning +    will be thrown. Previously an offset like \
<literal>"foo"</literal> was silently cast to <literal>0</literal>. +   </para>

+   <example>
+    <title>Differences between PHP 5.3 and PHP 5.4</title>
+    <programlisting role="php">
+<![CDATA[
+<?php
+$str = 'abc';
+
+var_dump($str['1']);
+var_dump(isset($str['1']));
+
+var_dump($str['1.0']);
+var_dump(isset($str['1.0']));
+
+var_dump($str['x']);
+var_dump(isset($str['x']));
+
+var_dump($str['1x']);
+var_dump(isset($str['1x']));
+?>
+]]>
+    </programlisting>
+    &example.outputs.53;
+    <screen>
+<![CDATA[
+string(1) "b"
+bool(true)
+string(1) "b"
+bool(true)
+string(1) "a"
+bool(true)
+string(1) "b"
+bool(true)
+]]>
+    </screen>
+    &example.outputs.54;
+    <screen>
+<![CDATA[
+string(1) "b"
+bool(true)
+
+Warning: Illegal string offset '1.0' in /tmp/t.php on line 7
+string(1) "b"
+bool(false)
+
+Warning: Illegal string offset 'x' in /tmp/t.php on line 9
+string(1) "a"
+bool(false)
+string(1) "b"
+bool(false)
+]]>
+    </screen>
+   </example>
+
    <note>
     <para>
      Accessing variables of other types (not including arrays or objects



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