upload

<?php

//Errors
ini_set('display_errors', 1);
ini_set('display_startup_errors', 1);
error_reporting(E_ALL);
//Errors

// Session
if (!session_id()) {
    session_start();
}
$ses_id = session_id();
// Session

require '../classes/db.php';

class imgUploader
{
	public $exts = array( ".png", ".gif", ".png", ".jpg", ".jpeg" ); //all the extensions that will be allowed to be uploaded
	public $maxSize = 1024*1024*10; //if you set to "0" (no quotes), there will be no limit
	public $uploadTarget = "../uploads/"; //make sure you have the '/' at the end
	public $fileName = ""; //this will be automatically set. you do not need to worry about this
	public $tmpName = ""; //this will be automatically set. you do not need to worry about this


	public function startUpload($file, $logoType, $id, $ses_id)
	{
		$this->fileName = $file['name'][$logoType];
		$this->tmpName = $file['tmp_name'][$logoType];
		$this->tempExt = explode('/',$file['type'][$logoType]);
		$this->extension = $this->tempExt[1];
		$this->id = $id;
		$this->ses_id = $ses_id;
		$this->logoType = $logoType;


		if( !$this->isWritable() )
		{
			die( '{"status":0,"data":null,"error":["Musisz ustawić CHMOD na 777"]}' );
		}
		if( !$this->checkExt() )
		{
			die( '{"status":0,"data":null,"error":["Plik obrazka jest nieprawidłowy"]}' );
		}
		if( !$this->checkSize() )
		{
			die( '{"status":0,"data":null,"error":["Plik jest zbyt duży"]}' );
		}
		if( $this->uploadIt() )
		{
			//echo '{"status":1,"data":null,"error":[]}';
		}
		if( $fileNameToSave = $this->getFileName() )
		{
			echo '{"status":1,"data":null,"error":[]}';
		}
		else
		{
			echo '{"status":0,"data":null,"error":["Wystąpił błąd"]}';
		}
	}

    // Blob

		public function startUpload2($file, $logoType, $id, $ses_id)
	{
		$this->fileName = $file['name'];
		$this->tmpName = $file['tmp_name'];
		$this->id = $id;
		$this->ses_id = $ses_id;
		$this->logoType = $logoType;

		if( !$this->isWritable() )
		{
			die( '{"status":0,"data":null,"error":["Musisz ustawić CHMOD na 777"]}' );
		}
		if( !$this->checkSize() )
		{
			die( '{"status":0,"data":null,"error":["Plik jest zbyt duży"]}' );
		}
		if( $this->uploadIt2() )
		{
			//echo '{"status":1,"data":null,"error":[]}';
		}

		if( $fileNameToSave = $this->getFileName2() )
		{
			//echo '{"status":1,"data":null,"error":[]}';
		}
		if( $this->saveDataToDB($fileNameToSave, $logoType, $id, $ses_id) )
		{
			echo '{"status":1,"data":null,"error":[]}';
		}

		else
		{
			echo '{"status":0,"data":null,"error":["Wystąpił błąd"]}';
		}
	}

	public function uploadIt()
	{
	 return ( move_uploaded_file( $this->tmpName, $this->uploadTarget . $this->id . '-' . $this->ses_id . '-' . $this->logoType . '.' . $this->extension ) ? true : false );
	}
    public function uploadIt2()
	{
	 return ( move_uploaded_file( $this->tmpName, $this->uploadTarget . $this->id . '-' . $this->ses_id . '-' . $this->logoType ) ? true : false );
	}

	public function checkSize()
	{
		return ( ( filesize( $this->tmpName ) > $this->maxSize ) ? false : true );
	}

	public function getExt()
	{
		return strtolower( substr( $this->fileName, strpos( $this->fileName, "." ), strlen( $this->fileName ) - 1 ) );
	}

	public function checkExt()
	{
		return ( in_array( $this->getExt(), $this->exts ) ? true : false );
	}

	public function isWritable()
	{
		return ( is_writable( $this->uploadTarget ) );
	}
	public function getFileName2()
	{
		return $this->uploadTarget . $this->id . '-' . $this->ses_id . '-' . $this->logoType;
	}
	public function getFileName()
	{
		return $this->uploadTarget . $this->id . '-' . $this->ses_id . '-' . $this->logoType . '.' . $this->extension;
	}
	public function saveDataToDB($fileNameToSave, $logoType, $id, $ses_id)
	{
		$stmt = $pdo->prepare("UPDATE a_temp_session
		SET {$logoType} = :value
		WHERE session_id = :session_id AND id=:id");

		 $stmt->bindValue(":session_id", $ses_id);
		 $stmt->bindValue(":id", $id);
		 $stmt->bindValue(":value", $fileNameToSave);
		 $stmt->execute();
	}

}