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배열 연습문제
#배열문제1
#결과화면
#소스코드
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<style>
table{border:1px solid black}
td {border:1px solid black}
</style>
</head>
<body>
<?php
print '<br><h1>지역 인원수 출력</h1>';
$city= array('경기수원'=>1194313,
'경남창원'=>1059241,
'경기고양'=>990073,
'경기용인'=>971327,
'충북청주'=>833276,
'전북전주'=>658172,
'충남천안'=>629062,
'경남김해'=>534124,
'경북포항'=>511124,
'경남진주'=>349788
);
print '<table>';
print '<tr><td>지역</td><td>인구수</td></tr>';
$city['total']=0;
foreach($city as $key =>$value){
$city['total'] += $value;
print "<tr><td>$key</td><td>$value</td></tr>";
}
//print count($city);
print "<tr><td>";
print array_search($city['total'], $city);
print "</td><td>$city[total]</td></tr>";
print '</table>';
?>
<?php
print '<br><h1>오름차순</h1>';
$city= array('경기수원'=>1194313,
'경남창원'=>1059241,
'경기고양'=>990073,
'경기용인'=>971327,
'충북청주'=>833276,
'전북전주'=>658172,
'충남천안'=>629062,
'경남김해'=>534124,
'경북포항'=>511124,
'경남진주'=>349788
);
print '<table>';
print '<tr><td>지역</td><td>인구수</td></tr>';
$city['total']=0;
asort($city);
foreach($city as $key =>$value){
$city['total'] += $value;
print "<tr><td>$key</td><td>$value</td></tr>";
}
//print count($city);
print "<tr><td>";
print array_search($city['total'], $city);
print "</td><td>$city[total]</td></tr>";
print '</table>';
?>
<?php
print '<br><h1>도별인구수</h1>';
$city= array('경기' => array('수원' => 1194313,'고양' => 990073,'용인' => 971327),
'충북' => array('청주' => 833276),
'경남' => array('창원' => 1059241,'진주' => 349788,'김해' => 534124),
'충남' => array('천안' => 629062),
'전북' => array('전주' => 658172),
'경북' => array('포항' => 511124)
);
print '<table>';
print '<tr><td>시도</td><td>지역</td><td>인구수</td><td>시별인구수</td></tr>';
foreach($city as $sido =>$arry_city){
$city [$sido]['total']=0;
foreach($arry_city as $city_name => $city_count){
$city [$sido]['total'] += $city_count;
print "<tr><td>$sido</td><td>$city_name</td><td>$city_count</td><td></td></tr>";
}
print "<tr><td>$sido</td><td>총인원수</td><td></td><td>";
print $city [$sido]['total'];
print "</td></tr>";
}
print '</table>';
?>
</body>
</html>
문제출처: 한빛 미디어 learning php
답안작성:직접
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