【PHP】祝日を取得できるAPIを作りながらClassの基礎を学ぶ

/* Jsonデータの一部 */
{
  "19":{
    "0101":"元旦",
  ...
  },
  "20":{
    "0101":"元旦",
    ...
　},
...
}

<?php
class MyClass1
{
  public $public = 'ika';
  private $private = 'tako';
  protected $protected = 'ebi';
}

$object1 = new MyClass1;
echo $object1->public; // ika
echo $object1->private; // Fatal Error
echo $object1->protected; //Fatal Error  

<?php
class MyClass1
{
  public $public = 'ika';
  private $private = 'tako';
  protected $protected = 'ebi';

  public function myMethod1 () {
    echo $this->public; // expected 'ika'
    echo $this->private; // expected 'tako'
    echo $this->protected; // expected 'ebi'
  }
}

$object2 = new MyClass1;
$object2->myMethod1();
//ika
//tako
//ebi

<?php
class MyClass2 extends MyClass1
{
  public function myMethod2 () {
    echo $this->public; // expected 'ika'
    echo $this->private; // expected 'Fatal Error'
    echo $this->protected; // expected 'ebi'
  }
}

$object3 = new MyClass2;
$object3->myMethod2();
//ika
//Fatal Error
//ebi

<?php
class SayHello
{
  public function __construct () {
    echo 'Hello!';
  }
}

$hello = new SayHello; // Hello!


class SayName
{
  private $fullName;

  public function __construct ($name) {
    $this->fullName = $name;
  }
  public function say (){
    echo 'Hello!'.$this->fullName;
  }
}

$sayName = new SayName('Yuya Akiyama');
$sayName->say();
//  Hello!Yuya Akiyama

/* 2020年9月のデータ */
https://sample.jp/api/20/09/
/* 2021年の総データ */
https://sample.jp/api/21/

root:
├─app
│ │ holidays.php
├─json
│ │ publicHoliday.json
├─api
│ │ index.php
│ └─20
│ │ │ index.php
│ │ └─09
│ │ │ │ index.php
│ index.php

<?php
require_once('../app/holidays.php');
$generate = new Holidays;

<?php
class Holidays
{
  const jsonSrc = __DIR__.'/../json/publicHoliday.json';

  function getJsonData () {
    $json = file_get_contents(self::jsonSrc);
    $json = mb_convert_encoding($json,'UTF8','ASCII,JIS,UTF-8,EUC-JP,SJIS-WIN');
    $records = json_decode($json,true);

    return $records;
  }
}

function classifyUri ($removeUri,$explode = true){
  $calleeUri = $_SERVER['REQUEST_URI'];
  $resultUri = str_replace($removeUri,'',$calleeUri);

  if($explode){
    $resultUriArray = explode('/',$resultUri);
    array_shift($resultUriArray);
    array_pop($resultUriArray);

    return $resultUriArray;
  }

  return $resultUri;
}

protected function sortOutJson () {
  $arrayVanilla = $this->getJsonData();
  $classifiedUri = $this->classifyUri('/publicHoliday/api');

  if(array_key_exists(0,$classifiedUri)){
    $limitedArray = $arrayVanilla[(string)$classfiedUri[0]];

    if(array_key_exists(1,$classifiedUri)){
      $arrayKey = array_keys($limitedArray);
      $match = "/".$classifiedUri[1]."[0-9]{2}/";

      for($count=0;$count<count($arrayKey);$count++){
 
        if(preg_match($match,$arrayKey[$count])){
            $sortedOutArray[$classifiedUri[0]][$arrayKey[$count]] = $arrayVanilla[$classifiedUri[0]][$arrayKey[$count]];
        }
      }
    }else{
      $sortedOutArray[$classifiedUri[0]] = $arrayVanilla[$classifiedUri[0]];
    }
  }else{
    $sortedOutArray = $arrayVanilla;
  }

  if(isset($sortedOutArray)){
    return $sortedOutArray;
  }else{
    return false;
  }
}

protected function createFinalArray () {
  $finalArray = [];
  $sortedOutArray = $this->sortOutJson();

  if($sortedOutArray){
    foreach ($sortedOutArray as $parentKey => $parentValue) {
      foreach ($parentValue as $childKey => $childValue) {
        $replaceKey = substr_replace($childKey,'-',2,0);
        $finalKey = '20'.(string) $parentKey.'-'.$replaceKey;
        $finalArray[$finalKey] = $childValue;
      }
    }
  }
  return $finalArray;
}

public function __construct () {
  echo json_encode($this->createFinalArray(),JSON_UNESCAPED_UNICODE);
}

<?php

$dir = __DIR__.'/../api';

for($year=19;$year<=23;$year++){
  if(!file_exists($dir.'/'.$year)){
    mkdir($dir.'/'.$year,0704);
  }
  if(!file_exists($dir.'/'.$year.'/index.php')){
    $data = "<?php\nrequire_once('../../app/holidays.php');\n".'$generate'." = new Holidays();\n";
    file_put_contents($dir.'/'.$year.'/index.php',$data);
  }
  for($month=1;$month<=12;$month++){
    $bMonth = "00".(string) $month;
    $stMonth = subStr($bMonth,strlen($bMonth)-2,strlen($bMonth));
    $dirIn = $dir.'/'.$year.'/'.$stMonth;
    if(!file_exists($dirIn)){
      mkdir($dirIn,0704);
    }
    if(!file_exists($dirIn.'/index.php')){
      $data = "<?php\nrequire_once('../../../app/holidays.php');\n".'$generate'." = new Holidays();\n";
      file_put_contents($dirIn.'/index.php',$data);
    }
  }
}
if(!file_exists($dir.'/index.php')){
  $data = "<?php\nrequire_once('../app/holidays.php');\n".'$generate'." = new Holidays();\n";
  file_put_contents($dir.'/index.php',$data);
}
echo 'ディレクトリの生成終了';