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$str = "dÖУÔÚfÔÚÄãÊÇdÎҵĹú¼ÒÀ§gÔÚÓкͣ¬ÈË¡£¹¤";
var_dump(strcut($str,0,9));
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if($start < 0)
$start = strlen($str)+$start;
$retstart = $start+getOfFirstIndex($str,$start);
echo $retstart;
$retend = $start + $len -1 + getOfFirstIndex($str,$start + $len);
echo $retend;
return substr($str,$retstart,$retend-$retstart+1);
}
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$char_aci = ord(substr($str,$start-1,1));
if(223<$char_aci && $char_aci<240)
return -1;
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if(223<$char_aci && $char_aci<240)
return -2;
return 0;
}
?>
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function random($length) {
$hash = '';
$chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz';
$max = strlen($chars) - 1;
mt_srand((double)microtime() * 1000000);
for($i = 0; $i < $length; $i++) {
$ha ......
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function PHP_Read($file_name) {
$fd=fopen($file_name,r);
while($bufline=fgets($fd, 4096)){
$buf.=$bufline;
}
fclose($fd);
return $buf;
}
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<?php
//Õâ¸öʱºòÊä³öµÄΪbaicai¶ø²»ÊÇbai123cai,ÒòΪstr("pao")<strlen("bai123")
echo strtr("paocai!","pao","bai123");
?>
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