PHP中的数组分为三种类型，分别是索引数组，关联数组和多维数组，接下来就带大家一起来看一看这三种数组。
1.索引数组 - 带有数字索引的数组
<?php
$cars=array("nihao","shijie","Vhehe");
var_dump($cars);
?>输出：
array(3) { [0]=> string(5) "nihao" [1]=> string(6) "shijie" [2]=> string(5) "Vhehe" }2.关联数组 - 带有指定键的数组
<?php
$age=array("a"=>"35","b"=>"37","c"=>"43");
var_dump($age);
?>输出：
array(3) { ["a"]=> string(2) "35" ["b"]=> string(2) "37" ["c"]=> string(2) "43" }3.多维数组 - 包含一个或多个数组的数组
<?php
$fruits = array (
"fruits" => array("a" => "orange", "b" => "banana", "c" => "apple"),
"numbers" => array(1, 2, 3, 4, 5, 6),
"holes" => array("first", 5 => "second", "third")
);
?> 输出：
array(3) {
["fruits"]=>
array(3) {["a"]=>string(6) "orange"
["b"]=>string(6) "banana"
["c"]=>string(5) "apple" }
["numbers"]=>
array(6) {
[0]=>int(1)
[1]=>int(2)
[2]=>int(3)
[3]=>int(4)
[4]=>int(5)
[5]=>int(6)
}
["holes"]=>
array(3) {
[0]=>string(5) "first"
[5]=>string(6) "second"
[6]=>string(5) "third"
}
}推荐：《2021年PHP面试题大汇总（收藏）》《php视频教程》
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