php面试题遍历循环,循环for,while,foreach遍历数组 20184.18.15:50
实例
$teacher = ['id'=>1001,'name'=>'peter','salary'=>1000,'course'=>'php'];
for($i=0;$i
echo '['.key($teacher).']=>'.current($teacher).'
';
next($teacher);
}
echo '
';
reset($teacher);
$i=0;
while($i
echo '['.key($teacher).']=>'.current($teacher).'
';
next($teacher);
$i++;
}
echo '
';
reset($teacher);
foreach($teacher as $key => $value){
echo '['.$key.']=>'.$value.'
';
}
$year = range(1980,2000);
echo '';
foreach($year as $v){
echo ''.$v.'';
}
echo '';
$months = range(1,12);
echo '';
foreach($months as $v){
echo ''.sprintf("%02d",$v).'';
}
echo '';
$days = range(1,30);
echo '';
foreach($days as $v){
echo ''.$v.'';
}
echo '';
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