这是$记录的内容
如果我想显示"键"这个关键数组,如何编码?
e.g。在第一轮foreach循环中我喜欢显示 1(键),1(id),10(价格)等。 我会使用$ record [' id'],$ record [' price'],但我不知道要编码以显示密钥的内容?
答案 0 :(得分:3)
foreach ($records as $key => $record) {
echo $key;
}
在PHP手册中查看foreach以获取更多信息:http://php.net/manual/en/control-structures.foreach.php
答案 1 :(得分:2)
foreach($records as $key=>$val){
echo $key;
}
答案 2 :(得分:2)
foreach($records as $key => $record) {
echo $key . '(key), ' . $record['id'] . '(id), ' . $record['price'] . '(price)';
}
答案 3 :(得分:1)
你试过使用foreach吗?
foreach($records as $key => $value) {
echo "Current key: ".$key."<br />";
print_r($value);
}
答案 4 :(得分:1)
foreach($records as $key=>$record){
echo "key: ".$key."</br>";
echo "ID: ".$record['id']."</br>";
echo "Price: ".$record['price']."</br>";
}
答案 5 :(得分:1)
<?php
foreach ($records as $record) {
foreach ($record as $key => $value) {
echo $value . '(' . $key . ')';
}
}
?>