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Fixed a typo.

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git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@30428 c90b9560-bf6c-de11-be94-00142212c4b1
This commit is contained in:
Torben Wilson 2000-08-17 22:41:57 +00:00
parent b3c481736c
commit 913bcd2e0e
1 changed files with 28 additions and 28 deletions
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56
language/functions.xml
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@ -258,7 +258,7 @@ list ($zero, $one, $two) = small_numbers();
<para>
To return a reference from a function, you have to use
the reference operator &amp; in both the function declaration and
when asigning the return value to a variable:
when assigning the return value to a variable:
<informalexample>
<programlisting role="php">
function &amp;returns_reference() {
@ -272,34 +272,8 @@ $newref = &amp;returns_reference();
</sect1>
<sect1 id="functions.old-syntax">
<title><literal>old_function</literal></title>
<simpara>
The <literal>old_function</literal> statement allows you to
declare a function using a syntax identical to PHP/FI2 (except you
must replace 'function' with 'old_function'.
</simpara>
<simpara>
This is a deprecated feature, and should only be used by the
PHP/FI2->PHP3 convertor.
</simpara>
<warning>
<para>
Functions declared as <literal>old_function</literal> cannot be
called from PHP's internal code. Among other things, this means
you can't use them in functions such as
<function>usort</function>, <function>array_walk</function>, and
<function>register_shutdown_function</function>. You can get
around this limitation by writing a wrapper function (in normal
PHP3 form) to call the <literal>old_function</literal>.
</para>
</warning>
</sect1>
<sect1 id="functions.variable-functions">
<title>Variable functions</title>
<title>Function variables</title>
<para>
PHP supports the concept of variable functions. This means that if
@ -333,6 +307,32 @@ $func( 'test' );
</sect1>
<sect1 id="functions.old-syntax">
<title><literal>old_function</literal></title>
<simpara>
The <literal>old_function</literal> statement allows you to
declare a function using a syntax identical to PHP/FI2 (except you
must replace 'function' with 'old_function'.
</simpara>
<simpara>
This is a deprecated feature, and should only be used by the
PHP/FI2->PHP3 convertor.
</simpara>
<warning>
<para>
Functions declared as <literal>old_function</literal> cannot be
called from PHP's internal code. Among other things, this means
you can't use them in functions such as
<function>usort</function>, <function>array_walk</function>, and
<function>register_shutdown_function</function>. You can get
around this limitation by writing a wrapper function (in normal
PHP3 form) to call the <literal>old_function</literal>.
</para>
</warning>
</sect1>
</chapter>
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