PHP/連想配列

sample1 Array ( [常緑樹] => 山茶花 [針葉樹] => アカマツ [落葉樹] => ヤマボウシ )
sample1code
$sample1Array = ["常緑樹" => "山茶花", "針葉樹" => "アカマツ", "落葉樹" => "ヤマボウシ"];
print_r($sample1Array);
sample2 key=value
spring=tutuji
winter=tubaki
sample2code
$s2Array = array();
$s2Array["key"] = "value";
$s2Array["spring"] = "tutuji";
$s2Array["winter"] = "tubaki";

foreach ($s2Array as $key => $value) {
	echo $key . "=" . $value . "br />";
};