PHP 勉強1
基本文法
<?php //ここにプログラムを書く ?>
変数
$a = 100; $name = "名前"; $list1 = ["a", "b", "c", "d", "e"]; $list2 = array("a", "b", "c", "d", "e"); $array = [ "key1" => "value1", "key2" => "value2", "key3" => "value3", ]; unset($array["key1"]); print_r($array);
出力
echo "hello";
連結
//.で区切って文字列を連結 echo "こんにちは、".$name."さん"; //{}で囲んで変数を表示 $s = "ハロー、{$name}さん"; print_r($s);