3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function chk($a,$b){ mb_regex_encoding('SJIS-win'); $j=0; $cnt=0; for($i=$a;$i<$b;$i++){ $s=sprintf('%x',$i); $hex = hex2bin($s); if(mb_check_encoding($hex)){ if (!mb_ereg($hex, $hex)){ // echo "$s($hex):NG\n"; $cnt++; } }else{ } $j++; } echo "j:$j\n"; echo "cnt:$cnt\n"; } mb_internal_encoding('SJIS-win'); chk(0xED40,0xFC51);
Output for 7.1.0 - 7.2.11
j:3857 cnt:2258
Output for 5.6.38 - 7.0.28
j:3857 cnt:0