mirror of
https://github.com/sigmasternchen/php-doc-en
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5faa7a6747
git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@324122 c90b9560-bf6c-de11-be94-00142212c4b1
85 lines
2 KiB
XML
85 lines
2 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision$ -->
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<sect1 xml:id="language.pseudo-types">
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<title>Pseudo-types and variables used in this documentation</title>
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<sect2 xml:id="language.types.mixed">
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<title>mixed</title>
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<para>
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<literal>mixed</literal> indicates that a parameter may accept multiple (but
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not necessarily all) types.
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</para>
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<para>
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<function>gettype</function> for example will accept all PHP types, while
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<function>str_replace</function> will accept <type>string</type>s and
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<type>array</type>s.
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</para>
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</sect2>
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<sect2 xml:id="language.types.number">
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<title>number</title>
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<para>
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<literal>number</literal> indicates that a parameter can be either
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<type>integer</type> or <type>float</type>.
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</para>
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</sect2>
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<sect2 xml:id="language.types.callback">
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<title>callback</title>
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<para>
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<type>callback</type> pseudo-types was used in this documentation before
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<type>callable</type> type hint was introduced by PHP 5.4. It means exactly
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the same.
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</para>
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</sect2>
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<sect2 xml:id="language.types.void">
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<title>void</title>
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<para>
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<literal>void</literal> as a return type means that the return value is
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useless. <literal>void</literal> in a parameter list means that the function
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doesn't accept any parameters.
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</para>
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</sect2>
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<sect2 xml:id="language.types.dotdotdot">
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<title>...</title>
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<para>
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<parameter>$...</parameter> in function prototypes means
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<literal>and so on</literal>. This variable name is used when a function can
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take an endless number of arguments.
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</para>
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</sect2>
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</sect1>
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<!-- Keep this comment at the end of the file
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Local variables:
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mode: sgml
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sgml-omittag:t
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sgml-shorttag:t
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sgml-minimize-attributes:nil
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sgml-always-quote-attributes:t
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sgml-indent-step:1
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sgml-indent-data:t
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indent-tabs-mode:nil
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sgml-parent-document:nil
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sgml-default-dtd-file:"~/.phpdoc/manual.ced"
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sgml-exposed-tags:nil
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sgml-local-catalogs:nil
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sgml-local-ecat-files:nil
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End:
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vim600: syn=xml fen fdm=syntax fdl=2 si
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vim: et tw=78 syn=sgml
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vi: ts=1 sw=1
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-->
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