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Update output control constants #3039

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merged 2 commits into from
Dec 27, 2023
Merged

Update output control constants #3039

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e076ca1
Update output control constants
Dec 25, 2023
c987f8d
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Girgias Dec 27, 2023
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67 changes: 64 additions & 3 deletions reference/outcontrol/constants.xml
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,10 @@
&reftitle.constants;
&extension.constants.core;
<variablelist>
<title>Status flags passed to output handler</title>
<para>
The following flags are passed to the second (<parameter>phase</parameter>) parameter of the output handler set by <function>ob_start</function> as part of a bitmask:
</para>
<varlistentry xml:id="constant.php-output-handler-start">
<term>
<constant>PHP_OUTPUT_HANDLER_START</constant>
Expand Down Expand Up @@ -90,6 +94,12 @@
</para>
</listitem>
</varlistentry>
</variablelist>
<variablelist>
<title>Output buffer control flags</title>
<para>
The following flags can be passed to the third (<parameter>flags</parameter>) parameter of the output handler set by <function>ob_start</function> as a bitmask:
</para>
<varlistentry xml:id="constant.php-output-handler-cleanable">
<term>
<constant>PHP_OUTPUT_HANDLER_CLEANABLE</constant>
Expand All @@ -98,7 +108,10 @@
<listitem>
<para>
Controls whether an output buffer created by
<function>ob_start</function> can be cleaned.
<function>ob_start</function> can be cleaned
by <function>ob_clean</function>.
This flag does not control the behaviour of
<function>ob_end_clean</function> or <function>ob_get_clean</function>.
</para>
</listitem>
</varlistentry>
Expand All @@ -110,7 +123,10 @@
<listitem>
<para>
Controls whether an output buffer created by
<function>ob_start</function> can be flushed.
<function>ob_start</function> can be flushed
by <function>ob_flush</function>.
This flag does not control the behaviour of
<function>ob_end_flush</function> or <function>ob_get_flush</function>.
</para>
</listitem>
</varlistentry>
Expand All @@ -122,7 +138,9 @@
<listitem>
<para>
Controls whether an output buffer created by
<function>ob_start</function> can be removed before the end of the script.
<function>ob_start</function> can be removed before the end of the script
or when calling <function>ob_end_clean</function>, <function>ob_end_flush</function>,
<function>ob_get_clean</function> or <function>ob_get_flush</function>.
</para>
</listitem>
</varlistentry>
Expand All @@ -141,6 +159,49 @@
</listitem>
</varlistentry>
</variablelist>
<variablelist>
<title>Output handler status flags</title>
<para>
The following flags are part of the <literal>flags</literal> bitmask
returned by <function>ob_get_status</function>:
</para>
<varlistentry xml:id="constant.php-output-handler-started">
<term>
<constant>PHP_OUTPUT_HANDLER_STARTED</constant>
(<type>int</type>)
</term>
<listitem>
<para>
Indicates that the output handler was called.
</para>
</listitem>
</varlistentry>
<varlistentry xml:id="constant.php-output-handler-disabled">
<term>
<constant>PHP_OUTPUT_HANDLER_DISABLED</constant>
(<type>int</type>)
</term>
<listitem>
<para>
Indicates that the output handler is disabled.
This flag is set when the output handler returns &false;
or fails while processing the buffer,
or it was set prior to calling the output handler.
</para>
</listitem>
</varlistentry>
<varlistentry xml:id="constant.php-output-handler-processed">
<term>
<constant>PHP_OUTPUT_HANDLER_PROCESSED</constant>
(<type>int</type>)
</term>
<listitem>
<para>
Indicates that the output handler successfully processed the buffer.
</para>
</listitem>
</varlistentry>
</variablelist>
</appendix>
<!-- Keep this comment at the end of the file
Local variables:
Expand Down