$str = '这是我的网站www.7di.net!' ;
$result = spStr( $str );
print_r( $result );
function spStr( $str )
{
$cstr = array ();
$search = array ( "," , "/" , "\\" , "." , ";" , ":" , "\"" , "!" , "~" , "`" , "^" , "(" , ")" , "?" , "-" , "\t" , "\n" , "'" , "<" , ">" , "\r" , "\r\n" , "{1}quot;" , "&" , "%" , "#" , "@" , "+" , "=" , "{" , "}" , "[" , "]" , ":" , ")" , "(" , "." , "。" , "," , "!" , ";" , "“" , "”" , "‘" , "’" , "[" , "]" , "、" , "—" , " " , "《" , "》" , "-" , "…" , "【" , "】" ,);
$str = str_replace ( $search , " " , $str );
preg_match_all( "/[a-zA-Z]+/" , $str , $estr );
preg_match_all( "/[0-9]+/" , $str , $nstr );
$str = preg_replace( "/[0-9a-zA-Z]+/" , " " , $str );
$str = preg_replace( "/\s{2,}/" , " " , $str );
$str = explode ( " " , trim( $str ));
foreach ( $str as $s ) {
$l = strlen ( $s );
$bf = null;
for ( $i = 0; $i < $l ; $i = $i +3) {
$ns1 = $s { $i }. $s { $i +1}. $s { $i +2};
if (isset( $s { $i +3})) {
$ns2 = $s { $i +3}. $s { $i +4}. $s { $i +5};
if (preg_match( "/[\x80-\xff]{3}/" , $ns2 )) $cstr [] = $ns1 . $ns2 ;
} else if ( $i == 0) {
$cstr [] = $ns1 ;
}
}
}
$estr = isset( $estr [0])? $estr [0]: array ();
$nstr = isset( $nstr [0])? $nstr [0]: array ();
return array_merge ( $nstr , $estr , $cstr );
}
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