$string = "67. No one knows . 没有人知道。";
			$s = str_replace("。", ".", $string);
			$s = str_replace("．", ".", $s);
			$s = str_replace("’", "\'", $s);
			$s = str_replace("，", ",", $s);
			$s = str_replace("“", \'"\', $s);
			$s = str_replace("”", \'"\', $s);
			$s = str_replace("，", ",", $s);
			$len = mb_strlen($s,\'UTF-8\');

			$j = 0;$k = 0;
			for($i=0;$i<$len;$i++){
				$str = mb_substr($s, $i,1,\'UTF-8\'); 
				if ($k==0&&preg_match(\'/[a-zA-Z]/\', $str)) { 
					$j = $i;$k=1;
				}
				if (!empty($str)&&preg_match(\'/[^\x00-\x80]/\', $str)) { 
					break; 
				}
			}
			$one[\'str\'] = $s;
			$one[\'en\'] = mb_substr($s, $j,$i-$j,\'UTF-8\');
			$one[\'zh\'] = str_replace(" ", "", mb_substr($s, $i,$len-$i,\'UTF-8\'));
			var_dump($one);

　　结果

 

array(3) {
  ["str"]=>
  string(35) "67. No one knows . 没有人知道."
  ["en"]=>
  string(15) "No one knows . "
  ["zh"]=>
  string(16) "没有人知道."
}

　　

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