Php methods for intercepting Chinese characters without garbled characters

Php methods for intercepting Chinese characters without garbled characters

This article mainly introduces php's method of intercepting Chinese characters by character without garbled characters. It involves php's skills in operating Chinese and English strings. It is of great practical value. For more information, see

 

 

This example describes how php intercepts Chinese characters without garbled characters. Share it with you for your reference. The specific implementation method is as follows:

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<? Php // $ Str string to be intercepted // The number of characters intercepted by $ len // $ Number of characters intercepted by chars // $ Res saved string // $ Chars saves the number of intercepted strings // $ Offset // $ Length the number of bytes of the string // If the number of characters in $ len> $ str causes unnecessary while loops ($ offset <$ length limit) Function utf8sub ($ str, $ len ){ If ($ len <= 0 ){ Return; } $ Res = ""; $ Offset = 0; $ Chars = 0; $ Length = strlen ($ str ); While ($ chars <$ len & $ offset <$ length ){ $ Hign = decbin (ord (substr ($ str, $ offset, 1 ))); If (strlen ($ hign) <8 ){ $ Count = 1; } Elseif (substr ($ hign, 110) = "){ $ Count = 2; } Elseif (substr ($ hign, 1110) = "){ $ Count = 3; } Elseif (substr ($ hign, 11110) = "){ $ Count = 4; } Elseif (substr ($ hign, 111110) = "){ $ Count = 5; } Elseif (substr ($ hign, 1111110) = "){ $ Count = 6; } $ Res. = substr ($ str, $ offset, $ count ); $ Offset + = $ count; $ Chars + = 1; } Return $ res; } Function utf8sub1 ($ str, $ len ){ $ Chars = 0; $ Res = ""; $ Offset = 0; $ Length = strlen ($ str ); While ($ chars <$ len & $ offset <$ length ){ $ Hign = decbin (ord (substr ($ str, $ offset, 1 ))); If (strlen ($ hign) <8 ){ $ Count = 1; } Elseif ($ hign & "11100000" = "11000000 "){ $ Count = 2; } Elseif ($ hign & "11110000" = "11100000 "){ $ Count = 3; } Elseif ($ hign & "11111000" = "11110000 "){ $ Count = 4; } Elseif ($ hign & "11111100" = "11111000 "){ $ Count = 5; } Elseif ($ hign & "11111110" = "11111100 "){ $ Count = 6; } $ Res. = substr ($ str, $ offset, $ count ); $ Chars ++; $ Offset + = $ count; } Return $ res; } $ A = "Chinese ah people hdj "; Echo utf8sub ($ a, 5 ); ?>

I hope this article will help you with php programming.