PHP intercepts and generates plain text strings

PHP intercepts and generates a plain text string. Recently saved with the text editor has html,css and JS tags, but I just want to intercept the previous part of the plain text content display summary, here directly on the code, as follows:

/** * php PHP functions that clear HTML, CSS, JS formats, and remove spaces, and have the function of intercepting UTF-8 strings  */function cutstr_html ($string,  $sublen) {   $string  = strip_tags ($string);   $string  = preg_replace   ('/\n/is ',  ',  $string);   $string  = preg_replace  ('/ |/is ',   ',  $string);   $string  = preg_replace  ('/ /is ',  ',  $ string);   preg_match_all ("/[\x01-\x7f]|[ \xc2-\xdf][\x80-\xbf]|\xe0[\xa0-\xbf][\x80-\xbf]| [\xe1-\xef] [\X80-\XBF] [\x80-\xbf]|\xf0[\x90-\xbf][\x80-\xbf][\x80-\xbf]| [\xf1-\xf7] [\X80-\XBF] [\X80-\XBF] [\x80-\xbf]/",  $string,  $t _string);      if (count ($t _string[0])  -  0 >  $sublen)   $string  = join (",  array_slice ($t _string[0], 0, $ Sublen)). " ... ";     else  $string  = join (',  array_slice ($t _string[0], 0,   $sublen));   return  $string;  } 

Hope to be useful to everyone

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PHP intercepts and generates plain text strings