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2022-12-11 16:07:12 +01:00

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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<refentry xml:id="phptoken.tokenize" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<refnamediv>
<refname>PhpToken::tokenize</refname>
<refpurpose>Splits given source into PHP tokens, represented by PhpToken objects.</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis role="PhpToken">
<modifier>public</modifier> <modifier>static</modifier> <type>array</type><methodname>PhpToken::tokenize</methodname>
<methodparam><type>string</type><parameter>code</parameter></methodparam>
<methodparam choice="opt"><type>int</type><parameter>flags</parameter><initializer>0</initializer></methodparam>
</methodsynopsis>
<para>
Returns an array of PhpToken objects representing given <parameter>code</parameter>.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<variablelist>
<varlistentry>
<term><parameter>code</parameter></term>
<listitem>
<para>
The PHP source to parse.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>flags</parameter></term>
<listitem>
<para>
Valid flags:
<itemizedlist>
<listitem>
<simpara>
<constant>TOKEN_PARSE</constant> - Recognises the ability to use
reserved words in specific contexts.
</simpara>
</listitem>
</itemizedlist>
</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
An array of PHP tokens represented by instances of PhpToken or its descendants.
This method returns <type>static[]</type> so that PhpToken can be seamlessly extended.
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<example>
<title><function>PhpToken::tokenize</function> example</title>
<programlisting role="php">
<![CDATA[
<?php
$tokens = PhpToken::tokenize('<?php echo; ?>');
foreach ($tokens as $token) {
echo "Line {$token->line}: {$token->getTokenName()} ('{$token->text}')", PHP_EOL;
}
]]>
</programlisting>
&examples.outputs;
<screen>
<![CDATA[
Line 1: T_OPEN_TAG ('<?php ')
Line 1: T_ECHO ('echo')
Line 1: ; (';')
Line 1: T_WHITESPACE (' ')
Line 1: T_CLOSE_TAG ('?>')
]]>
</screen>
</example>
<example>
<title>Extending PhpToken</title>
<programlisting role="php">
<![CDATA[
<?php
class MyPhpToken extends PhpToken {
public function getUpperText() {
return strtoupper($this->text);
}
}
$tokens = MyPhpToken::tokenize('<?php echo; ?>');
echo "'{$tokens[0]->getUpperText()}'";
]]>
</programlisting>
&examples.outputs;
<screen>
<![CDATA[
'<?PHP '
]]>
</screen>
</example>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<simplelist>
<member><function>token_get_all</function></member>
</simplelist>
</refsect1>
</refentry>
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