@robi_ds

Не могу понять, почему выдает ошибку php?

<?php
 
class DbOperation
{
    //Database connection link
    private $con;
 
    //Class constructor
    function __construct()
    {
        //Getting the DbConnect.php file
        require_once dirname(__FILE__) . '/DbConnect.php';
 
        //Creating a DbConnect object to connect to the database
        $db = new DbConnect();
 
        //Initializing our connection link of this class
        //by calling the method connect of DbConnect class
        $this->con = $db->connect();
    }
	
	/*
	* The create operation
	* When this method is called a new record is created in the database
	*/
	function createHero($name, $fio, $rating, $details){
		$stmt = $this->con->prepare("INSERT INTO heroes (name, fio, rating, details, data, image) VALUES (?, ?, ?, ?, ?, ?)");
		$stmt->bind_param("ssis", $name, $fio, $rating, $details, $data, $image);
		if($stmt->execute())
			return true; 
		return false; 
	}

	/*
	* The read operation
	* When this method is called it is returning all the existing record of the database
	*/
	function getHeroes(){
		$stmt = $this->con->prepare("SELECT id, name, fio, rating, details, data, image FROM heroes");
		$stmt->execute();
		$stmt->bind_result($id, $name, $fio, $rating, $details, $data, $image);
		
		$heroes = array(); 
		
		while($stmt->fetch()){
			$hero  = array();
			$hero['id'] = $id; 
			$hero['name'] = $name; 
			$hero['fio'] = $fio; 
			$hero['rating'] = $rating; 
			$hero['details'] = $details;
			$hero['data'] = $data; 
			$hero['image'] = $image;
			
			array_push($heroes, $hero); 
		}
		
		return $heroes; 
	}
	
	/*
	* The update operation
	* When this method is called the record with the given id is updated with the new given values
	*/
	function updateHero($id, $name, $fio, $rating, $details){
		$stmt = $this->con->prepare("UPDATE heroes SET name = ?, fio = ?, rating = ?, details = ?, data = ?, image = ? WHERE id = ?");
		$stmt->bind_param("ssisi", $name, $fio, $rating, $details, $data, $image, $id);
		if($stmt->execute())
			return true; 
		return false; 
	}
	
	
	/*
	* The delete operation
	* When this method is called record is deleted for the given id 
	*/
	function deleteHero($id){
		$stmt = $this->con->prepare("DELETE FROM heroes WHERE id = ? ");
		$stmt->bind_param("i", $id);
		if($stmt->execute())
			return true; 
		
		return false; 
	}
}


<?php 

	//getting the dboperation class
	require_once '../includes/DbOperation.php';

	//function validating all the paramters are available
	//we will pass the required parameters to this function 
	function isTheseParametersAvailable($params){
		//assuming all parameters are available 
		$available = true; 
		$missingparams = ""; 
		
		foreach($params as $param){
			if(!isset($_POST[$param]) || strlen($_POST[$param])<=0){
				$available = false; 
				$missingparams = $missingparams . ", " . $param; 
			}
		}
		
		//if parameters are missing 
		if(!$available){
			$response = array(); 
			$response['error'] = true; 
			$response['message'] = 'Parameters ' . substr($missingparams, 1, strlen($missingparams)) . ' missing';
			
			//displaying error
			echo json_encode($response);
			
			//stopping further execution
			die();
		}
	}
	
	//an array to display response
	$response = array();
	
	//if it is an api call 
	//that means a get parameter named api call is set in the URL 
	//and with this parameter we are concluding that it is an api call
	if(isset($_GET['apicall'])){
		
		switch($_GET['apicall']){
			
			//the CREATE operation
			//if the api call value is 'createhero'
			//we will create a record in the database
			case 'createhero':
				//first check the parameters required for this request are available or not 
				isTheseParametersAvailable(array('name','fio','rating','details', 'data', 'image'));
				
				//creating a new dboperation object
				$db = new DbOperation();
				
				//creating a new record in the database
				$result = $db->createHero(
					$_POST['name'],
					$_POST['fio'],
					$_POST['rating'],
					$_POST['details'],
					$_POST['data'],
					$_POST['image']
				);
				

				//if the record is created adding success to response
				if($result){
					//record is created means there is no error
					$response['error'] = false; 

					//in message we have a success message
					$response['message'] = 'Hero addedd successfully';

					//and we are getting all the heroes from the database in the response
					$response['heroes'] = $db->getHeroes();
				}else{

					//if record is not added that means there is an error 
					$response['error'] = true; 

					//and we have the error message
					$response['message'] = 'problem tut 2';
				}
				
			break; 
			
			//the READ operation
			//if the call is getheroes
			case 'getheroes':
				$db = new DbOperation();
				$response['error'] = false; 
				$response['message'] = 'Request successfully completed';
				$response['heroes'] = $db->getHeroes();
			break; 
			
			
			//the UPDATE operation
			case 'updatehero':
				isTheseParametersAvailable(array('id','name','fio','rating','details', 'data', 'image'));
				$db = new DbOperation();
				$result = $db->updateHero(
					$_POST['id'],
					$_POST['name'],
					$_POST['fio'],
					$_POST['rating'],
					$_POST['details'],
					$_POST['data'],
					$_POST['image']
				);
				
				if($result){
					$response['error'] = false; 
					$response['message'] = 'Hero updated successfully';
					$response['heroes'] = $db->getHeroes();
				}else{
					$response['error'] = true; 
					$response['message'] = 'problem tut 3';
				}
			break; 
			
			//the delete operation
			case 'deletehero':

				//for the delete operation we are getting a GET parameter from the url having the id of the record to be deleted
				if(isset($_GET['id'])){
					$db = new DbOperation();
					if($db->deleteHero($_GET['id'])){
						$response['error'] = false; 
						$response['message'] = 'Hero deleted successfully';
						$response['heroes'] = $db->getHeroes();
					}else{
						$response['error'] = true; 
						$response['message'] = 'roblem tut 1';
					}
				}else{
					$response['error'] = true; 
					$response['message'] = 'Nothing to delete, provide an id please';
				}
			break; 
		}
		
	}else{
		//if it is not api call 
		//pushing appropriate values to response array 
		$response['error'] = true; 
		$response['message'] = 'Invalid API Call';
	}
	
	//displaying the response in json structure 
	echo json_encode($response);


выдает ошибку {"error":true,"message":"problem tut 2" когда загоняю в нее информацию
5ad0f47375319614761340.png
Вот структура базы данных
5ad0f49a66986956539672.png
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Решения вопроса 1
Hocopor
@Hocopor
Ищу интересную работу
Предположу, что функция createHero принимает 4 аргумента. А вы их передаете 6.
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