Analysis of source code application examples for converting Chinese characters to location codes in PHP_PHP tutorial

Copy code The code is as follows:

global $PHP_SELF;
//echo $PHP_SELF;
$t1=$_POST['textfield1'];
$t2=$_POST['textfield2'];
$t3=$_POST['textfield3'];
$t4=$_POST[ 'textfield4'];
//Chinese characters--location code
if($t1!=""){
$t2= sprintf("%02d%02d",ord($t1[0] )-160,ord($t1[1])-160);
//echo $t2;
}
// Area code--Chinese characters
if($t3!="" ){
$t4 = chr(substr($t3,0,2)+160).chr(substr($t3,2,2)+160);
//echo $t4;
}
?>
"http://www.w3.org/TR/xhtml1/DTD /xhtml1-transitional.dtd">







align="center" cellpadding="0" cellspacing="0">

class="STYLE1">Chinese character location code query system

"">
Input Chinese characters





< label>

< label>Input location code


< input type="submit" name="Submit2" value=" Convert" />

http://www.bkjia.com/PHPjc/321962.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/321962.htmlTechArticleCopy the code as follows: ?php global $PHP_SELF; //echo $PHP_SELF; $t1=$_POST[' textfield1']; $t2=$_POST['textfield2']; $t3=$_POST['textfield3']; $t4=$_POST['textfield4']; // Chinese characters...