print $ _get索引名称

Question

是否可以检索$ _get的索引名称？ 例如。使用example.php LA = 1＆安培;拉拉= 2及LALALA = 3

如何打印'la'，'lala'和'lalala'？

非常感谢

Answer 1

echo implode(', ', array_keys($_GET));

Answer 2

foreach($_GET as $key => $value)
{
  echo "index ".$key." has the value ".$value;
}

Answer 3

var_dump( array_keys( $_GET ) );

Answer 4

foreach(array_keys($_GET) as $key){
   echo $key;
}

Answer 5

使用array_keys

print_r(array_keys($_GET))

或

使用foreach循环

foreach($_GET as $key => $val)
{
   echo $key;
}

Answer 6

<?php
if ($_GET["la"]=="1") {
     echo "la";
}
if ($_GET["lala"]=="2") {
     echo "lala";
}
if ($_GET["lalala"]=="3") {
    echo "lalala";
}
?>