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addition to cvs, initial draft

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git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@31204 c90b9560-bf6c-de11-be94-00142212c4b1
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Daniel Beckham 2000-08-25 14:48:24 +00:00
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functions/outcontrol.xml Normal file
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<reference id="ref.outcontrol">
<title>Output Control functions</title>
<titleabbrev>Output Control</titleabbrev>
<partintro>
<simpara>
Output Control
</simpara>
</partintro>
<refentry id="function.flush">
<refnamediv>
<refname>flush</refname>
<refpurpose>Flush the output buffer</refpurpose>
</refnamediv>
<refsect1>
<title>Description</title>
<funcsynopsis>
<funcprototype>
<funcdef>void <function>flush</function></funcdef>
<void/>
</funcprototype>
</funcsynopsis>
<simpara>
Flushes the output buffers of PHP and whatever backend PHP is
using (CGI, a web server, etc.) This effectively tries to push
all the output so far to the user's browser.
</simpara>
</refsect1>
</refentry>
<refentry id="function.ob-start">
<refnamediv>
<refname>ob_start</refname>
<refpurpose>Turn on output buffering</refpurpose>
</refnamediv>
<refsect1>
<title>Description</title>
<funcsynopsis>
<funcprototype>
<funcdef>void <function>ob_start</function></funcdef>
<void/>
</funcprototype>
</funcsynopsis>
<para>
This function will turn output buffering. While output buffering
is active there will be no rel output from the script, the output
is appended to an internal buffer instead.
</para>
<para>
The contents of this internal buffer may be copied into a string
variable using <function>ob_get_contents</function>. Real output
happens when <function>ob_end_flush</function> is called and
<function>ob_end_clean</function> will just silently discard the
buffer contents.
</para>
<para>
See also <function>ob_get_contents</function>,
<function>ob_end_flush</function>,
<function>ob_end_clean</function> and
<function>ob_implicit_flush</function>
</para>
</refsect1>
</refentry>
<refentry id="function.ob-get-contents">
<refnamediv>
<refname>ob_get_contents</refname>
<refpurpose>
Return the contents of the output buffer
</refpurpose>
</refnamediv>
<refsect1>
<title>Description</title>
<funcsynopsis>
<funcprototype>
<funcdef>string <function>ob_get_contents</function></funcdef>
<void/>
</funcprototype>
</funcsynopsis>
<para>
This will return the content of the output buffer or FALSE, if
output buffering isn't active.
</para>
<para>
See also <function>ob_start</function>,
<function>ob_end_flush</function>, and
<function>ob_end_clean</function>.
</para>
</refsect1>
</refentry>
<refentry id="function.ob-end-flush">
<refnamediv>
<refname>ob_end_flush</refname>
<refpurpose>
Flush (send) the output buffer and turn off output buffering
</refpurpose>
</refnamediv>
<refsect1>
<title>Description</title>
<funcsynopsis>
<funcprototype>
<funcdef>void <function>ob_end_flush</function></funcdef>
<void/>
</funcprototype>
</funcsynopsis>
<para>
This function will send the contents of the output buffer (if
any) and turn output buffering off. If you want to further
process the buffers content you have to call
<function>ob_get_contents</function> before
<function>ob_end_flush</function> as the buffer contents get
discarded after output.
</para>
<para>
See also <function>ob_start</function>,
<function>ob_get_contents</function>, and
<function>ob_end_clean</function>.
</para>
</refsect1>
</refentry>
<refentry id="function.ob-end-clean">
<refnamediv>
<refname>ob_end_clean</refname>
<refpurpose>
Clean (erase) the output buffer and turn off output buffering
</refpurpose>
</refnamediv>
<refsect1>
<title>Description</title>
<funcsynopsis>
<funcprototype>
<funcdef>void <function>ob_end_clean</function></funcdef>
<void/>
</funcprototype>
</funcsynopsis>
<para>
This function discards the content of the output buffer and
turns off output buffering.
</para>
<para>
See also <function>ob_start</function> and
<function>ob_end_flush</function>.
</para>
</refsect1>
</refentry>
<refentry id="function.ob-implicit-flush">
<refnamediv>
<refname>ob_implicit_flush</refname>
<refpurpose>
Turn implicit flush on/off
</refpurpose>
</refnamediv>
<refsect1>
<title>Description</title>
<funcsynopsis>
<funcprototype>
<funcdef>void <function>ob_implicit_flush</function></funcdef>
<paramdef>int
<parameter><optional>flag</optional></parameter>
</paramdef>
</funcprototype>
</funcsynopsis>
<para>
<function>ob_implicit_flush</function> will turn implicit
flushing on or off (if no <parameter>flag</parameter> is given,
it defaults to on). Implicit flushing will result in a flush
operation after every output call, so that explicit calls to
<function>flush</function> will no longer be needed.
</para>
<para>
Turning implicit flushing on will disable output buffering, the
output buffers current output will be sent as if
<function>ob_end_flush</function> had been called.
</para>
<para>
See also <function>flush</function>,
<function>ob_start</function> and
<function>ob_end_flush</function>.
</para>
</refsect1>
</refentry>
</reference>
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