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ctype-print.xml
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ctype-print.xml
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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<!-- EN-Revision: e20e74073379710a4f6316734c42996c8fbf9beb Maintainer: zhoumengkang Status: ready -->
<!-- CREDITS: mowangjuanzi -->
<!-- splitted from ./en/functions/ctype.xml, last change in rev 1.1 -->
<refentry xml:id="function.ctype-print" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>ctype_print</refname>
<refpurpose>检测可打印字符</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type>bool</type><methodname>ctype_print</methodname>
<methodparam><type>mixed</type><parameter>text</parameter></methodparam>
</methodsynopsis>
<para>
检测提供的 <type>string</type> 类型的 <parameter>text</parameter> 里面的所有字符是否都可打印。
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
<varlistentry>
<term><parameter>text</parameter></term>
<listitem>
<para>
要测试的字符串。
¬e.ctype.parameter.integer;
¬e.ctype.parameter.non-string;
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
如果在当前的语言环境下 <parameter>text</parameter> 里面的每个字符都能被实际输出(包括空白),那么就返回
&true;;如果 <parameter>text</parameter> 包含控制字符或者没有任何输出的字符,那么就返回
&false;。&ctype.result.empty-string;
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title><function>ctype_print</function> 示例</title>
<programlisting role="php">
<![CDATA[
<?php
$strings = array('string1' => "asdf\n\r\t", 'string2' => 'arf12', 'string3' => 'LKA#@%.54');
foreach ($strings as $name => $testcase) {
if (ctype_print($testcase)) {
echo "The string '$name' consists of all printable characters.\n";
} else {
echo "The string '$name' does not consist of all printable characters.\n";
}
}
?>
]]>
</programlisting>
&example.outputs;
<screen>
<![CDATA[
The string 'string1' does not consist of all printable characters.
The string 'string2' consists of all printable characters.
The string 'string3' consists of all printable characters.
]]>
</screen>
</example>
</para>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><function>ctype_cntrl</function></member>
<member><function>ctype_graph</function></member>
<member><function>ctype_punct</function></member>
<member><function>IntlChar::isprint</function></member>
</simplelist>
</para>
</refsect1>
</refentry>
<!-- Keep this comment at the end of the file
Local variables:
mode: sgml
sgml-omittag:t
sgml-shorttag:t
sgml-minimize-attributes:nil
sgml-always-quote-attributes:t
sgml-indent-step:1
sgml-indent-data:t
indent-tabs-mode:nil
sgml-parent-document:nil
sgml-default-dtd-file:"~/.phpdoc/manual.ced"
sgml-exposed-tags:nil
sgml-local-catalogs:nil
sgml-local-ecat-files:nil
End:
vim600: syn=xml fen fdm=syntax fdl=2 si
vim: et tw=78 syn=sgml
vi: ts=1 sw=1
-->