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Minor rewrite magic constants section to focus on PHP 5. Changelog added.
git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@334472 c90b9560-bf6c-de11-be94-00142212c4b1
This commit is contained in:
Maciej Sobaczewski
parent
59b4b899d3
commit
9f88a8b814
1 changed files with 63 additions and 17 deletions
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@ -232,9 +232,6 @@ echo ANOTHER_CONST;
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<entry>
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The full path and filename of the file. If used inside an include,
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the name of the included file is returned.
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Since PHP 4.0.2, <constant>__FILE__</constant> always contains an
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absolute path with symlinks resolved whereas in older versions it contained relative path
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under some circumstances.
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</entry>
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</row>
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<row xml:id="constant.dir">
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@ -244,23 +241,18 @@ echo ANOTHER_CONST;
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the directory of the included file is returned. This is equivalent
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to <literal>dirname(__FILE__)</literal>. This directory name
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does not have a trailing slash unless it is the root directory.
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(Added in PHP 5.3.0.)
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</entry>
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</row>
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<row xml:id="constant.function">
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<entry><constant>__FUNCTION__</constant></entry>
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<entry>
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The function name. (Added in PHP 4.3.0) As of PHP 5 this constant
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returns the function name as it was declared (case-sensitive). In
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PHP 4 its value is always lowercased.
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The function name.
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</entry>
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</row>
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<row xml:id="constant.class">
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<entry><constant>__CLASS__</constant></entry>
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<entry>
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The class name. (Added in PHP 4.3.0) As of PHP 5 this constant
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returns the class name as it was declared (case-sensitive). In PHP
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4 its value is always lowercased. The class name includes the namespace
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The class name. The class name includes the namespace
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it was declared in (e.g. <literal>Foo\Bar</literal>).
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Note that as of PHP 5.4 __CLASS__ works also in traits. When used
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in a trait method, __CLASS__ is the name of the class the trait
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@ -270,24 +262,20 @@ echo ANOTHER_CONST;
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<row xml:id="constant.trait">
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<entry><constant>__TRAIT__</constant></entry>
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<entry>
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The trait name. (Added in PHP 5.4.0) As of PHP 5.4 this constant
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returns the trait as it was declared (case-sensitive). The trait name includes the namespace
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The trait name. The trait name includes the namespace
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it was declared in (e.g. <literal>Foo\Bar</literal>).
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</entry>
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</row>
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<row xml:id="constant.method">
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<entry><constant>__METHOD__</constant></entry>
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<entry>
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The class method name. (Added in PHP 5.0.0) The method name is
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returned as it was declared (case-sensitive).
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The class method name.
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</entry>
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</row>
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<row xml:id="constant.namespace">
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<entry><constant>__NAMESPACE__</constant></entry>
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<entry>
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The name of the current namespace (case-sensitive). This constant
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is defined in compile-time (Added in PHP 5.3.0).
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The name of the current namespace.
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</entry>
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</row>
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</tbody>
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@ -301,6 +289,64 @@ echo ANOTHER_CONST;
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<function>file_exists</function>&listendand;
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<function>function_exists</function>.
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</para>
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<sect2 xml:id="language.constants.predefined.changelog">
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<title>Changelog</title>
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<para>
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<informaltable>
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<tgroup cols="2">
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<thead>
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<row>
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<entry>&Version;</entry>
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<entry>&Description;</entry>
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</row>
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</thead>
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<tbody>
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<row>
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<entry>5.4.0</entry>
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<entry>
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Added <constant>__TRAIT__</constant> constant
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</entry>
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</row>
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<row>
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<entry>5.3.0</entry>
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<entry>
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Added <constant>__DIR__</constant> and <constant>__NAMESPACE__</constant> constants
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</entry>
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</row>
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<row>
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<entry>5.0.0</entry>
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<entry>
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Added <constant>__METHOD__</constant> constant
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</entry>
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</row>
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<row>
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<entry>5.0.0</entry>
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<entry>
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Before this version values of some magic constants were always lowercased.
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All of them are case-sensitive now (contain names as they were declared).
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</entry>
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</row>
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<row>
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<entry>4.3.0</entry>
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<entry>
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Added <constant>__FUNCTION__</constant> and <constant>__CLASS__</constant> constants
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</entry>
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</row>
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<row>
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<entry>4.0.2</entry>
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<entry>
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<constant>__FILE__</constant> always contains an absolute path with symlinks
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resolved whereas in older versions it contained relative path
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under some circumstances
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</entry>
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</row>
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</tbody>
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</tgroup>
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</informaltable>
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</para>
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</sect2>
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</sect1>
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</chapter>
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