mirror of
https://github.com/sigmasternchen/php-doc-en
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88a88985b9
git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@316587 c90b9560-bf6c-de11-be94-00142212c4b1
136 lines
3.2 KiB
XML
136 lines
3.2 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision$ -->
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<refentry xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://docbook.org/ns/docbook" xml:id="function.print">
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<refnamediv>
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<refname>print</refname>
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<refpurpose>Output a string</refpurpose>
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</refnamediv>
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<refsect1 role="description">
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&reftitle.description;
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<methodsynopsis>
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<type>int</type><methodname>print</methodname>
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<methodparam><type>string</type><parameter>arg</parameter></methodparam>
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</methodsynopsis>
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<para>
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Outputs <parameter>arg</parameter>.
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</para>
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<para>
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<function>print</function> is not actually a real function (it is a
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language construct) so you are not required to use parentheses
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with its argument list.
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</para>
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</refsect1>
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<refsect1 role="parameters">
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&reftitle.parameters;
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<para>
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<variablelist>
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<varlistentry>
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<term><parameter>arg</parameter></term>
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<listitem>
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<para>
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The input data.
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</para>
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</refsect1>
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<refsect1 role="returnvalues">
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&reftitle.returnvalues;
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<para>
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Returns <literal>1</literal>, always.
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</para>
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</refsect1>
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<refsect1 role="examples">
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&reftitle.examples;
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<para>
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<example>
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<title><function>print</function> examples</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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print("Hello World");
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print "print() also works without parentheses.";
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print "This spans
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multiple lines. The newlines will be
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output as well";
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print "This spans\nmultiple lines. The newlines will be\noutput as well.";
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print "escaping characters is done \"Like this\".";
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// You can use variables inside a print statement
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$foo = "foobar";
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$bar = "barbaz";
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print "foo is $foo"; // foo is foobar
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// You can also use arrays
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$bar = array("value" => "foo");
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print "this is {$bar['value']} !"; // this is foo !
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// Using single quotes will print the variable name, not the value
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print 'foo is $foo'; // foo is $foo
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// If you are not using any other characters, you can just print variables
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print $foo; // foobar
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print <<<END
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This uses the "here document" syntax to output
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multiple lines with $variable interpolation. Note
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that the here document terminator must appear on a
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line with just a semicolon no extra whitespace!
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END;
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?>
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]]>
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</programlisting>
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</example>
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</para>
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</refsect1>
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<refsect1 role="notes">
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&reftitle.notes;
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¬e.language-construct;
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</refsect1>
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<refsect1 role="seealso">
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&reftitle.seealso;
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<para>
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<simplelist>
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<member><function>echo</function></member>
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<member><function>printf</function></member>
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<member><function>flush</function></member>
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<member><link linkend="language.types.string.syntax.heredoc">Heredoc syntax</link></member>
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</simplelist>
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</para>
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</refsect1>
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</refentry>
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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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