mirror of
https://github.com/sigmasternchen/php-doc-en
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142 lines
3.7 KiB
XML
142 lines
3.7 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision$ -->
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<refentry xml:id="function.range" xmlns="http://docbook.org/ns/docbook">
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<refnamediv>
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<refname>range</refname>
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<refpurpose>Create an array containing a range of elements</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>array</type><methodname>range</methodname>
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<methodparam><type class="union"><type>string</type><type>int</type><type>float</type></type><parameter>start</parameter></methodparam>
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<methodparam><type class="union"><type>string</type><type>int</type><type>float</type></type><parameter>end</parameter></methodparam>
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<methodparam choice="opt"><type class="union"><type>int</type><type>float</type></type><parameter>step</parameter><initializer>1</initializer></methodparam>
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</methodsynopsis>
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<para>
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Create an array containing a range of elements.
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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>start</parameter></term>
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<listitem>
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<para>
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First value of the sequence.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>end</parameter></term>
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<listitem>
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<para>
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The sequence is ended upon reaching the
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<parameter>end</parameter> value.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>step</parameter></term>
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<listitem>
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<para>
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If a <parameter>step</parameter> value is given, it will be used as the
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increment between elements in the sequence. <parameter>step</parameter>
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should be given as a positive number. If not specified,
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<parameter>step</parameter> will default to 1.
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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 an array of elements from <parameter>start</parameter> to
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<parameter>end</parameter>, inclusive.
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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>range</function> examples</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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// array(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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foreach (range(0, 12) as $number) {
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echo $number;
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}
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echo "\n";
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// The step parameter
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// array(0, 10, 20, 30, 40, 50, 60, 70, 80, 90, 100)
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foreach (range(0, 100, 10) as $number) {
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echo $number;
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}
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echo "\n";
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// Usage of character sequences
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// array('a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i');
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foreach (range('a', 'i') as $letter) {
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echo $letter;
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}
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echo "\n";
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// array('c', 'b', 'a');
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foreach (range('c', 'a') as $letter) {
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echo $letter;
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}
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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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<note>
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<para>
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Character sequence values are limited to a length of one. If a length greater
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than one is entered, only the first character is used.
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</para>
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</note>
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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>shuffle</function></member>
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<member><function>array_fill</function></member>
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<member>&foreach;</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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