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<?php function chk($a,$b){ mb_regex_encoding('SJIS'); $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 8.1rc1 - rc3
j:3857 cnt:2642
Output for 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.26, 8.0.0 - 8.0.13
j:3857 cnt:2258
Output for 5.6.38
j:3857 cnt:0

preferences:
33.67 ms | 461 KiB | 5 Q