3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php //DOMANDA: 0x55 0x82 0x30 0x01 0x33 0x33 0x91 //RISPOSTA: 0x55 0x82 0xB0 0x01 0x00 0x05 0x72 function CheckSumCalculation($hex) { $dsum=0; for ($i=0; $i < strlen($hex)-1; $i+=3){ $dsum += hexdec($hex[$i].$hex[$i+1]); } $NotSum = ~$dsum; $ChkSum = substr(dechex($NotSum), -2); return $ChkSum; } $LstIA = array("64","65","66","67","68","69","6A","6B","6C"); foreach ($LstIA as &$addr) { $value = $addr * 2; $DXPcmd = "55,82,10,".$addr.",33,33"; $DXPcmd .= ",".CheckSumCalculation($DXPcmd); echo "<BR>".$DXPcmd; } ?>
based on S4mki
Output for 7.1.0 - 7.2.0
<BR>55,82,10,64,33,33,4e<BR>55,82,10,65,33,33,4d<BR>55,82,10,66,33,33,4c<BR>55,82,10,67,33,33,4b<BR>55,82,10,68,33,33,4a<BR>55,82,10,69,33,33,49 Notice: A non well formed numeric value encountered in /in/1eP2v on line 22 <BR>55,82,10,6A,33,33,48 Notice: A non well formed numeric value encountered in /in/1eP2v on line 22 <BR>55,82,10,6B,33,33,47 Notice: A non well formed numeric value encountered in /in/1eP2v on line 22 <BR>55,82,10,6C,33,33,46
Output for 5.3.22 - 7.0.20
<BR>55,82,10,64,33,33,4e<BR>55,82,10,65,33,33,4d<BR>55,82,10,66,33,33,4c<BR>55,82,10,67,33,33,4b<BR>55,82,10,68,33,33,4a<BR>55,82,10,69,33,33,49<BR>55,82,10,6A,33,33,48<BR>55,82,10,6B,33,33,47<BR>55,82,10,6C,33,33,46