surová data 5.813.46-58
výpis 05.813C, .46-Volt, 58dB 19:27:03 25/12/20
<?php
$username = $_GET['username']; //make sure you filter these values, before showing them
echo $username; //$username == "john"

$sez = $username;
$tep=substr($sez,0,5);
if (strlen($tep)== 5) {$tep="0".$tep;}
$volt=substr($sez,5,4);
$db=substr($sez,9,4);
$dev=$tep."C, ".$volt."Volt, ".$db."dB ";
$datum = date("Hs d/m/y");
//if (time() - filemtime("./IP/zap.txt") > 1200){
$relace = fopen("./IP/zap.txt", "a+"); // Otevřeme soubor
fwrite($relace,$dev );
//fwrite($relace," C ");
fwrite($relace,$datum);
fwrite($relace,"\r\n"); // Zapíšeme text do souboru
fclose($relace);
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