For the two pages compiled by EclipsePHPStudiov1.2.2 in the same editor, why is the print_r output different font size formats? Use ajax. php normally, use osg_aja

For the two pages written by EclipsePHPStudiov1.2.2 in the same editor, why are the output of print_r in different font size formats? It is normal to use ajax. php, and use osg_aja to write the two pages written in EclipsePHPStudiov1.2.2 in the same editor. why is the print_r output of different font sizes in different formats? As a result, two pages written by EclipsePHP Studio v1.2.2 in the same editor of three provinces and cities are displayed. why is the output of print_r in different font size formats? Use ajax. php normally, use osg_aja
For the two pages written by EclipsePHP Studio v1.2.2 in the same editor, why are the output formats of print_r fonts inconsistent? As a result, ajax. php is normally used for interaction between three provinces and cities, and osg_ajax.php is abnormal.
The code in ajax. php is as follows:
Header ("Content-Type: text/html; charset = gbk ");
$ SQL = "SELECT * FROM 'ecs _ region 'where' parent _ id' = '1' ORDER BY 'region _ id' ASC ";
$ List = $ db-> getAll ($ SQL );
Foreach ($ list as $ key => $ val ){
$ List [$ key] ['region _ name'] = urlencode (iconv ('gbk', 'utf-8', $ val ['region _ name']);
}
Print_r (json_encode ($ list ));

The output result is as follows:
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Osg_ajax.php
The code is as follows:
$ SQL = "SELECT * FROM 'osg _ region 'where' parent _ id' = '1' ORDER BY 'region _ id' ASC ";

$ Cursor = exequery ($ connection, $ SQL );

While ($ rows = mysql_fetch_assoc ($ cursor )){
$ Arr [] = $ rows;
}

Foreach ($ arr as $ key => $ val)
{
$ Arr [$ key] ['region _ name'] = urlencode (iconv ('gbk', 'utf-8', $ val ['region _ name']); //

}

Print_r (json_encode ($ arr ));

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The output result is as follows:


------ Solution --------------------
Encoding problems? BOM header?