Follow Fang!: PHP5 Array

2014/01/13

PHP5 Array

<!DOCTYPE html>
<html>
<head>
 <title></title>
</head>
<body>
 <?php


  $array = array(
   "a" => "d",
   "b" => "o",
   "c" => "g"
  );

  //印出索引a的值
  echo $array["a"] . "<br>";


  //走訪Array
  foreach ($array as $key => $value) {
   echo "$key " . $value . ",";
  }
  echo '<br><br>';

  //PHP 5.4之後才可以用
  $array = [
   "a" => "d",
   "b" => "o",
   "c" => "g"
  ];

  //走訪Array
  foreach ($array as $key => $value) {
   echo "$key " . $value . ",";
  }
  echo '<br><br>';


  $array = [
   "d",
   "o",
   "g"
  ];

  foreach ($array as $key => $value) {
   echo "$key " . $value . ",";
  }
  echo '<br><br>';

  //印出陣列
  print_r($array);
  echo '<br><br>';

  //將值消除
  unset($array[0]);

  foreach ($array as $key => $value) {
   echo "$key " . $value . ",";
  }
  echo '<br><br>';

  $array = array();
  $array[] = "d";
  $array[] = "o";
  $array[] = "g";

  foreach ($array as $key => $value) {
   echo "$key " . $value . ",";
  }
  echo '<br><br>';


  $array = array(
   "d",
   "o",
   "g",
   array(
    "i",
    "s",
    array(
     "w",
     "h",
     "o"
    )
   )
  );

  echo "$array[0]$array[1]$array[2] " . $array[3][0] . $array[3][1] . " " 
  . $array[3][2][0] . $array[3][2][1] . $array[3][2][2];
 ?>
</body>
</html>

結果：

參考資料：
http://www.php.net/manual/en/language.types.php
http://www.php.net/manual/en/language.types.array.php
http://www.php.net/print_r