PHP: apache_note function - Get and set apache request notes

Description

string apache_note ( string $note_name [, string $note_value ] )

This function is a wrapper for Apache's table_get and table_set. It edits the table of notes that exists during a request. The table's purpose is to allow Apache modules to communicate.

The main use for apache_note() is to pass information from one module to another within the same request.

Parameters

note_name: The name of the note.
note_value: The value of the note.

Return Values

If called with one argument, it returns the current value of note note_name. If called with two arguments, it sets the value of note note_name to note_value and returns the previous value of note note_name. If the note cannot be retrieved, FALSE is returned.

Examples

Example #1 Passing information between PHP and Perl


<?php

apache_note('name', 'Fredrik Ekengren');

// Call perl script
virtual("/perl/some_script.pl");

$result = apache_note("resultdata");
?>

# Get Apache request object
my $r = Apache->request()->main();

# Get passed data
my $name = $r->notes('name');

# some processing

# Pass result back to PHP
$r->notes('resultdata', $result);

Example #2 Logging values in access.log


<?php

apache_note('sessionID', session_id());

?>

# "%{sessionID}n" can be used in the LogFormat directive

apache_note

Description

Parameters

Return Values

Examples

See Also