PHP提取中文首字母
复制代码 代码如下:
<? function pykey( $py_key) { $pinyin = 65536 + pys($py_key); if ( 45217 <= $pinyin && $pinyin <= 45252 ) { $zimu = "A"; return $zimu; } if ( 45253 <= $pinyin && $pinyin <= 45760 ) { $zimu = "B"; return $zimu; } if ( 45761 <= $pinyin && $pinyin <= 46317 ) { $zimu = "C"; return $zimu; } if ( 46318 <= $pinyin && $pinyin <= 46825 ) { $zimu = "D"; return $zimu; } if ( 46826 <= $pinyin && $pinyin <= 47009 ) { $zimu = "E"; return $zimu; } if ( 47010 <= $pinyin && $pinyin <= 47296 ) { $zimu = "F"; return $zimu; } if ( 47297 <= $pinyin && $pinyin <= 47613 ) { $zimu = "G"; return $zimu; } if ( 47614 <= $pinyin && $pinyin <= 48118 ) { $zimu = "H"; return $zimu; } if ( 48119 <= $pinyin && $pinyin <= 49061 ) { $zimu = "J"; return $zimu; } if ( 49062 <= $pinyin && $pinyin <= 49323 ) { $zimu = "K"; return $zimu; } if ( 49324 <= $pinyin && $pinyin <= 49895 ) { $zimu = "L"; return $zimu; } if ( 49896 <= $pinyin && $pinyin <= 50370 ) { $zimu = "M"; return $zimu; } if ( 50371 <= $pinyin && $pinyin <= 50613 ) { $zimu = "N"; return $zimu; } if ( 50614 <= $pinyin && $pinyin <= 50621 ) { $zimu = "O"; return $zimu; } if ( 50622 <= $pinyin && $pinyin <= 50905 ) { $zimu = "P"; return $zimu; } if ( 50906 <= $pinyin && $pinyin <= 51386 ) { $zimu = "Q"; return $zimu; } if ( 51387 <= $pinyin && $pinyin <= 51445 ) { $zimu = "R"; return $zimu; } if ( 51446 <= $pinyin && $pinyin <= 52217 ) { $zimu = "S"; return $zimu; } if ( 52218 <= $pinyin && $pinyin <= 52697 ) { $zimu = "T"; return $zimu; } if ( 52698 <= $pinyin && $pinyin <= 52979 ) { $zimu = "W"; return $zimu; } if ( 52980 <= $pinyin && $pinyin <= 53640 ) { $zimu = "X"; return $zimu; } if ( 53689 <= $pinyin && $pinyin <= 54480 ) { $zimu = "Y"; return $zimu; } if ( 54481 <= $pinyin && $pinyin <= 62289 ) { $zimu = "Z"; return $zimu; } $zimu = $py_key; return $zimu; } function pys( $pysa ) { $pyi = ""; $i= 0; for ( ; $i < strlen( $pysa ); $i++) { $_obfuscate_8w= ord( substr( $pysa,$i,1) ); if ( 160 < $_obfuscate_8w) { $_obfuscate_Bw = ord( substr( $pysa, $i++, 1 ) ); $_obfuscate_8w = $_obfuscate_8w * 256 + $_obfuscate_Bw - 65536; } $pyi.= $_obfuscate_8w; } return $pyi; } $letter = pykey("中华人民共和国"); echo $letter; ?>