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PHP_CompatInfo::addListener()

PHP_CompatInfo::addListener()  -- Registers a new listener

Synopsis

require_once 'PHP/CompatInfo.php';

void PHP_CompatInfo::addListener (mixed $callback, string [$nName = EVENT_DISPATCHER_GLOBAL])

Description

Registers a new listener with the given criteria

Parameter

mixed $callback

A PHP callback

string $nName

(optional) Expected notification name

Return value

returns void

Throws

throws no exceptions thrown

Since

since version 1.8.0b3 (2008-06-07)

Note

This function can not be called statically.

Example

Attach a simple function that will listen all PHP_CompatInfo events, which write start and end audit results in a flat file defined by a php constant. 
<?php
require_once 'PHP/CompatInfo.php';

define('DEST_PCI_LOG', '/var/log/pciEvents.log');

function debugNotify(&$auditEvent)
{
    $notifyName = $auditEvent->getNotificationName();
    $notifyInfo = $auditEvent->getNotificationInfo();

    if ($notifyName == PHP_COMPATINFO_EVENT_AUDITSTARTED) {
        error_log($notifyName.':'. PHP_EOL .
                  var_export($notifyInfo, true) . PHP_EOL,
                  3, DEST_PCI_LOG);

    } elseif ($notifyName == PHP_COMPATINFO_EVENT_AUDITFINISHED) {
        error_log($notifyName.':'. PHP_EOL .
                  var_export($notifyInfo, true) . PHP_EOL,
                  3, DEST_PCI_LOG);
    }
}

$cbObserver = 'debugNotify';

$pci = new PHP_CompatInfo();
$pci->addListener($cbObserver);
// ...
$source  = '';      // <- identify the date source to parse
$options = array(); // <- some parser options

$pci->parseData($source, $options);

$pci->removeListener($cbObserver);
?>

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