php - システムの変更により、カスタムのうなり送信スクリプトが空白のメッセージ本文を送信する

Question

class.growl.php を使用して、自分の debian マシンで自分自身にサーバーの更新を送信しています。本体のコンテンツは問題なく送信されますが、centos 5.6 では、cron から実行すると空の本体で送信されますが、手動で実行すると問題なく送信されます class.growl.php:

<?PHP
class Growl
{
    const GROWL_PRIORITY_LOW = -2;
    const GROWL_PRIORITY_MODERATE = -1;
    const GROWL_PRIORITY_NORMAL = 0;
    const GROWL_PRIORITY_HIGH = 1;
    const GROWL_PRIORITY_EMERGENCY = 2;

    private $appName;
    private $address;
    private $notifications;
    private $password;
    private $port;

    public function __construct($address, $password = '', $app_name = 'PHP Growl')
    {
        $this->appName       = utf8_encode($app_name);
        $this->address       = $address;
        $this->notifications = array();
        $this->password      = $password;
        $this->port          = 9887;
    }

    public function addNotification($name, $enabled = true)
    {
        $this->notifications[] = array('name' => utf8_encode($name), 'enabled' => $enabled);
    }

    public function register()
    {
        $data         = '';
        $defaults     = '';
        $num_defaults = 0;

        for($i = 0; $i < count($this->notifications); $i++)
        {
            $data .= pack('n', strlen($this->notifications[$i]['name'])) . $this->notifications[$i]['name'];
            if($this->notifications[$i]['enabled'])
            {
                $defaults .= pack('c', $i);
                $num_defaults++;
            }
        }

        // pack(Protocol version, type, app name, number of notifications to register)
        $data  = pack('c2nc2', 1, 0, strlen($this->appName), count($this->notifications), $num_defaults) . $this->appName . $data . $defaults;
        $data .= pack('H32', md5($data . $this->password));

        return $this->send($data);
    }

    public function notify($name, $title, $message, $priority = 0, $sticky = false)
    {
        $name     = utf8_encode($name);
        $title    = utf8_encode($title);
        $message  = utf8_encode($message);
        $priority = intval($priority);

        $flags = ($priority & 7) * 2;
        if($priority < 0) $flags |= 8;
        if($sticky) $flags |= 256;

        // pack(protocol version, type, priority/sticky flags, notification name length, title length, message length. app name length)
        $data = pack('c2n5', 1, 1, $flags, strlen($name), strlen($title), strlen($message), strlen($this->appName));
        $data .= $name . $title . $message . $this->appName;
        $data .= pack('H32', md5($data . $this->password));

        return $this->send($data);
    }

    private function send($data)
    {
        if(function_exists('socket_create') && function_exists('socket_sendto'))
        {
            $sck = socket_create(AF_INET, SOCK_DGRAM, SOL_UDP);
            socket_sendto($sck, $data, strlen($data), 0x100, $this->address, $this->port);
            return true;
        }
        elseif(function_exists('fsockopen'))
        {
            $fp = fsockopen('udp://' . $this->address, $this->port);
            fwrite($fp, $data);
            fclose($fp);
            return true;
        }

        return false;
    }
}

check.sh:

#!/bin/sh

SERVICE='httpd'
//Debian SERVICE='apache2'

echo $(service httpd status) > stat.txt
//Debian echo $(/etc/init.d/apache2 status) > stat.txt

if ps ax | grep -v grep | grep $SERVICE > /dev/null
then
php -q ~/growl/send.php Run 'Notification' 'httpd is Running fine' // Apache2
else
php -q ~/growl/send.php Error 'Error' 'httpd is Down' // Apache2
fi
#rm stat.txt

SERVICE='mysqld'
//Debian SERVICE='mysql'

echo $(service mysqld status) > stat.txt //Debian mysql

if ps ax | grep -v grep | grep $SERVICE > /dev/null
then
php -q ~/growl/send.php Run 'Notification' 'Mysqld is Running fine' //mysql
else
php -q ~/growl/send.php Error 'Error' 'Mysqld is Down'  //mysql
fi
#rm stat.txt

Send.php:

<?php
include_once dirname(__FILE__).'/class.growl.php';
// check for all required arguments
// first argument is always name of script!
if ($argv[1] == 'ls'){
 echo "Test\n";
 echo "Error\n";
 echo "Run\n";
 exit (0);
}
if ($argc != 4) {
die("Usage: send.php <Notification To Send 'ls to list'> <Title> <Message>\n");
}

// remove first argument
array_shift($argv);

$ApacheFile = 'stat.txt';
$Notification = $argv[0];
$Title = $argv[1];
$Message = $argv[2];

if (file_exists($ApacheFile)){
$fh = fopen($ApacheFile, 'r');
$theData = fread($fh, filesize($ApacheFile));
fclose($fh);
$Message = $theData;
}

$growl = new Growl('192.168.1.99', 'scorpio', 'Notify');
$growl->addNotification('Test');
$growl->addNotification('Error');
$growl->addNotification('Run');
$growl->register();
if ($Notification == 'Test'){
$growl->notify($Notification, $Title, $Message); 
}else if ($Notification == 'Error'){
$growl->notify($Notification, $Title, $Message); 
}else if($Notification == 'Run'){
$growl->notify($Notification, $Title, $Message); 
}

cron: */5 * * * * /root/grow/check.sh