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=1; $i < strlen($hex)-1; $i+=4){ $dsum += hexdec($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; } //0x55 0x82 0x30 0x01 0x33 0x33 $DXPcmd = "\$55,\$82,\$30,\$01,\$33,\$33"; $DXPcmd .= ",\$".CheckSumCalculation($DXPcmd); echo "<BR>".$DXPcmd; //0x55 0x82 0xB0 0x01 0x00 0x05 0x72 $DXPcmd = "\$55,\$82,\$B0,\$01,\$00,\$05"; $DXPcmd .= ",\$".CheckSumCalculation($DXPcmd); echo "<BR>".$DXPcmd; ?>
based on lq6Ib
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/JLblb on line 22 <BR>$55,$82,$10,$6A,$33,$33,$48 Notice: A non well formed numeric value encountered in /in/JLblb on line 22 <BR>$55,$82,$10,$6B,$33,$33,$47 Notice: A non well formed numeric value encountered in /in/JLblb on line 22 <BR>$55,$82,$10,$6C,$33,$33,$46<BR>$55,$82,$30,$01,$33,$33,$91<BR>$55,$82,$B0,$01,$00,$05,$72
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<BR>$55,$82,$30,$01,$33,$33,$91<BR>$55,$82,$B0,$01,$00,$05,$72