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sezemiadmin/Employee.php

Created March 18, 2019 06:40
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1日で習得するPHP入門 サンプルコード
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anonymous_function.php
<?php
function foo($callback) { //変数名は何でもOKです
$callback(); // => OK
}
foo(function() {
echo "OK";
});
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array.php
<?php
$a = [1, 2, 3];
foreach ($a as $key => $value) { //連想配列
echo "{$key} : {$value}\n";
}
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composer
$ composer -v
______
/ ____/___ ____ ___ ____ ____ ________ _____
/ / / __ \/ __ `__ \/ __ \/ __ \/ ___/ _ \/ ___/
/ /___/ /_/ / / / / / / /_/ / /_/ (__ ) __/ /
\____/\____/_/ /_/ /_/ .___/\____/____/\___/_/
/_/
Composer version @package_branch_alias_version@ (1.0.0-beta2) 2016-03-27 16:00:34
Usage:
command [options] [arguments]
(中略)
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def_array.php
<?php
$a = array();
$a = array(1, 2, 3);
$a = [1, 2, 3]; // 簡易的な書き方も出来ます
echo $a[0]; // 1
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Employee.php
<?php
class Person {
private $name; // instance field
public function setName($name) { // instance method
$this->name = $name;
}
public function getName() { // instance method
return $this->name;
}
public static function getClassName() { // static method
return "Person: ";
}
}
class Employee extends Person {
}
$e = new Employee();
$e->setName("Eric");
echo $e->getName();
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for.php
<?php
$a = [1, 2, 3];
for ($i = 0; $i < count($a); $i++) {
echo $a[$i];
}
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foreach.php
<?php
$a = [1, 2, 3];
foreach($a as $num) {
echo $num;
}
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game.php
<!DOCTYPE html>
<html lang="ja">
<head>
<meta charset="utf-8" />
<title>数当てゲーム</title>
</head>
<body>
<h4>1～100の数字を入力</h4>
<form action="number-guess.php" method="post">
<input type="number" min="1" max="100" name="num" size="4"
autofocus required />
<input type="submit" value="Go!" />
</form>
<?php
session_start();
if (empty($_SESSION['cnt'])) { // 初めてページを表示した場合
$_SESSION['cnt'] = 1; // セッションに「cnt」という名前で値1を設定 (カウンター)
$_SESSION['ans'] = rand(1, 100);
} else { // 2回目以降の表示
if (isset($_POST['num'])) {
$num = $_POST['num'];
printf("%s回目: %s", $_SESSION['cnt']++, $num);
$ans = $_SESSION['ans']; // 正解の値をセッションから取り出して変数ansに格納
if ($num == $ans) { // 入力された値と正解の値が等しい場合
echo " 正解!";
}
if ($num > $ans) { // 入力された値が正解の値よりも大きい場合
echo " 大きすぎ";
}
if ($num < $ans) { // 入力された値が正解の値よりも小さい場合
echo " 小さすぎ";
}
}
}
?>
</body>
</html>
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greeting.blade.php
<!DOCTYPE html>
<html>
<head>
<title>Greeting</title>
<link rel="stylesheet" href="{{ asset('css/app.css') }}">
</head>
<body>
<h1>Hello, {{ $name }}</h1>
</body>
</html>
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hello.php
<?php
echo "Hello, PHP!!\n";
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hello_page.php
<!DOCTYPE html>
<html>
<head>
<title></title>
</head>
<body>
<h1><?php echo "Hello, PHP!"; ?></h1>
</body>
</html>
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hello_php_console
php > echo "Hello, PHP!!";
Hello, PHP!!
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if.php
<?php
$a = 2;
$b = 1;
if ($a > $b)
echo "aはbより大きい\n";
?>
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laravel_install
$ Laravel new laravel-sample
:
:
:
Generating optimized autoload files
> @php -r "file_exists('.env') || copy('.env.example', '.env');"
> @php artisan key:generate --ansi
Application key set successfully.
> Illuminate\Foundation\ComposerScripts::postAutoloadDump
> @php artisan package:discover --ansi
Discovered Package: beyondcode/laravel-dump-server
Discovered Package: fideloper/proxy
Discovered Package: laravel/nexmo-notification-channel
Discovered Package: laravel/slack-notification-channel
Discovered Package: laravel/tinker
Discovered Package: nesbot/carbon
Discovered Package: nunomaduro/collision
Package manifest generated successfully.
Application ready! Build something amazing.
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notice.php
<?php
if (1 == "1") {
echo "OK"
};
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Person.php
<?php
class Person {
private $name; // instance field
public function setName($name) { // instance method
$this->name = $name;
}
public function getName() { // instance method
return $this->name;
}
public static function getClassName() { // static method
return "Person: ";
}
}
echo Person::getClassName(); // => Person:（static methodの利用）
$p = new Person(); // クラスからオブジェクトを生成
$p->setName("John"); // 名前の設定（instance methodの利用）
echo $p->getName(); // => John（名前の取得）
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php_types_console
php > var_dump(1);
int(1)
php > var_dump(1.0);
float(1)
php > var_dump('a');
string(1) "a"
php > var_dump(true);
bool(true)
php > var_dump("abcd");
string(4) "abcd"
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sum.php
<?php
function sum($a, $b) {
return $a + $b;
}
echo sum(1, 2);
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tutorial1.html
<!DOCTYPE html>
<html lang="ja">
<head>
<meta charset="utf-8" />
<title>数当てゲーム</title>
</head>
<body>
<h4>1～100の数字を入力</h4>
<form action="number-guess.php" method="post">
<input type="number" min="1" max="100" name="num" size="4"
autofocus required />
<input type="submit" value="Go!" />
</form>
</body>
</html>
Raw
tutorial2.php
<!DOCTYPE html>
<html lang="ja">
<head>
<meta charset="utf-8" />
<title>数当てゲーム</title>
</head>
<body>
<h4>1～100の数字を入力</h4>
<form action="number-guess.php" method="post">
<input type="number" min="1" max="100" name="num" size="4"
autofocus required />
<input type="submit" value="Go!" />
</form>
<?php
if (isset($_POST['num'])) { // POSTリクエストにnumパラメーターが含まれている場合
$num = $_POST['num']; // パラメーターを取得
printf($num); // 表示
}
?>
</body>
</html>
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tutorial3.php
<!DOCTYPE html>
<html lang="ja">
<head>
<meta charset="utf-8" />
<title>数当てゲーム</title>
</head>
<body>
<h4>1～100の数字を入力</h4>
<form action="number-guess.php" method="post">
<input type="number" min="1" max="100" name="num" size="4"
autofocus required />
<input type="submit" value="Go!" />
</form>
<?php
session_start();
if (empty($_SESSION['cnt'])) { // 初めてページを表示した場合
$_SESSION['cnt'] = 1; // セッションに「cnt」という名前で値1を設定 (カウンタ)
} else { // 2回目以降の表示
if (isset($_POST['num'])) {
$num = $_POST['num'];
printf("%s回目: %s", $_SESSION['cnt']++, $num);
}
}
?>
</body>
</html>
Raw
web.php
<?php
// Laravel の初期ページ
Route::get('/', function () {
return view('welcome');
});
// 以下に /hello がリクエストされたら greeting.blade.php を返すよう追加
Route::get('/hello', function() {
return view('greeting', ['name' => 'Laravel']);
});
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