php-doc-en/reference/yaml/functions/yaml-parse-file.xml
2010-02-08 10:35:27 +00:00

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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<refentry xml:id="function.yaml-parse-file" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<refnamediv>
<refname>yaml_parse_file</refname>
<refpurpose>Parse a YAML stream from a file</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type>mixed</type><methodname>yaml_parse_file</methodname>
<methodparam><type>string</type><parameter>filename</parameter></methodparam>
<methodparam choice="opt"><type>int</type><parameter>pos</parameter><initializer>0</initializer></methodparam>
<methodparam choice="opt"><type>int</type><parameter role="reference">ndocs</parameter></methodparam>
<methodparam choice="opt"><type>array</type><parameter>callbacks</parameter></methodparam>
</methodsynopsis>
<para>
Convert all or part of a YAML document stream read from a file to a PHP variable.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
<varlistentry>
<term><parameter>filename</parameter></term>
<listitem>
<para>
Path to the file.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>pos</parameter></term>
<listitem>
<para>
Document to extract from stream (<literal>-1</literal> for all
documents, <literal>0</literal> for first document, ...).
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>ndocs</parameter></term>
<listitem>
<para>
If <parameter>ndocs</parameter> is provided, then it is filled with the
number of documents found in stream.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>callbacks</parameter></term>
<listitem>
<para>
Content handlers for YAML nodes. Associative <type>array</type> of YAML
tag =&gt; <type>callback</type> mappings.
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
Returns the value encoded in <parameter>input</parameter> in appropriate
PHP type. &null; is returned if the <parameter>input</parameter> cannot be
decoded. If <parameter>pos</parameter> is <literal>-1</literal> an
<type>array</type> will be returned with one entry for each document found
in the stream.
</para>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><function>yaml_parse</function></member>
<member><function>yaml_parse_url</function></member>
<member><function>yaml_emit</function></member>
</simplelist>
</para>
</refsect1>
</refentry>
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