Alert script with telegram @crierbot bot for Zabbix

telegram.php

#!/usr/bin/env php
<?php

if (count($argv) == 4) {
    $token = trim($argv[1]);
    $subject = trim($argv[2]);
    $body = trim($argv[3]);
    
    $subject = str_replace("PROBLEM:", "\xF0\x9F\x93\x9B PROBLEM:", $subject);
    $subject = str_replace("OK:", "\xE2\x9C\x85 OK:", $subject);

    $msg = "https://zabbix.example.org" . PHP_EOL;
    $msg .= "Subj: " . $subject . PHP_EOL . "Message: " . $body;
    $msg = urlencode($msg);

    $url = "https://crierbot.appspot.com/" . $token . "/send?message=" . $msg;

    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, $url);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    curl_exec($ch);
    curl_close($ch);
}

?>