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Hello, what's the correct use of GD library to compress JPG images please? I am using this upload script with TinyMCE. See below :

I have this snippet but it doesn't compress the image:

		// Accept upload if there was no origin, or if it is an accepted origin
		// If image is JPEG compress with GD library
		$filetowrite = $imageFolder . $temp['name'];
		if (in_array(strtolower(pathinfo($temp['name'], PATHINFO_EXTENSION)), array("jpg", "jpeg"))) {
		imagejpeg($temp['tmp_name'], $filetowrite, 75);
		} else {
		move_uploaded_file($temp['tmp_name'], $filetowrite);
		}

<?php
	$accepted_origins = array("http://localhost", "http://127.0.0.1", "http://192.168.1.1", "http://example.com");

	$month = strtolower(date('M'));
	$year = date('Y');
	$newspath = "img/news/";

	if (!is_dir("$newspath/$year/$month")) {
    mkdir("$newspath/$year/$month", 0777, true);
}
	$imageFolder = "$newspath/$year/$month/";

	reset ($_FILES);
	$temp = current($_FILES);
	if (is_uploaded_file($temp['tmp_name'])){
		if (isset($_SERVER['HTTP_ORIGIN'])) {
			// same-origin requests won't set an origin. If the origin is set, it must be valid.
			if (in_array($_SERVER['HTTP_ORIGIN'], $accepted_origins)) {
				header('Access-Control-Allow-Origin: ' . $_SERVER['HTTP_ORIGIN']);
			} else {
				header("HTTP/1.1 403 Origin Denied");
				return;
			}
		}

		/*
			If your script needs to receive cookies, set images_upload_credentials : true in
			the configuration and enable the following two headers.
		*/
		// header('Access-Control-Allow-Credentials: true');
		// header('P3P: CP="There is no P3P policy."');

		// Sanitize input
		if (preg_match("/([^\w\s\d\-_~,;:\[\]\(\).])|([\.]{2,})/", $temp['name'])) {
				header("HTTP/1.1 400 Invalid file name.");
				return;
		}

		// Verify extension
		if (!in_array(strtolower(pathinfo($temp['name'], PATHINFO_EXTENSION)), array("gif", "jpg", "jpeg", "png"))) {
				header("HTTP/1.1 400 Invalid extension.");
				return;
		}

		// Accept upload if there was no origin, or if it is an accepted origin
		// If image is JPEG compress with GD library
		$filetowrite = $imageFolder . $temp['name'];
		if (in_array(strtolower(pathinfo($temp['name'], PATHINFO_EXTENSION)), array("jpg", "jpeg"))) {
		imagejpeg($temp['tmp_name'], $filetowrite, 75);
		} else {
		move_uploaded_file($temp['tmp_name'], $filetowrite);
		}
		// Respond to the successful upload with JSON.
		// Use a location key to specify the path to the saved image resource.
		// { location : '/your/uploaded/image/file'}
		// echo json_encode(array('location' => $filetowrite));

		$passpath = $year.'/'.$month.'/'.$temp['name'];

		echo json_encode(array('location' => $passpath));
	} else {
		// Notify editor that the upload failed
		header("HTTP/1.1 500 Server Error");
	}
?>

 

I am making a pos(point of sale) application using object oriented php.

I have found thermal receipt printers support ESC/POS .

i want that when i will press button to print directly , it will do automatically. 

anyone can help me please.

Thanks in advance. 

I am trying to find a good IDE for PHP and JavaScript.  I fiddled around with Visual Code and it was very buggy.  The GitHub page said over 800 open errors?!?!?  Now I'm looking at PHPStorm and it reads that only PHP in a PHP page or JavaScript in a JavaScript page may be debugged.  I am wondering if this is always  possible to separate the code like this.

 

Also, in the following code, what do you all think about using a XMLHttpRequest() to call this right in the beginning of the page with no button or anything.   Is this bad form?  It creates a dropdown list from the database.  Right now it just sits there.  This code isn't ready for prepare yet.

 

<?php

$host = 'localhost';
$user = 'root';
$pass = '';
$database = 'ecommerce';

$options = array(
    PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
    PDO::ATTR_EMULATE_PREPARES => false
);

$dbo = new PDO("mysql:host=$host;dbname=$database", $user, $pass, $options);

$q4 = "SELECT categories.title FROM categories INNER JOIN customers on customers.CustomerID = categories.CustomerID and customers.CustomerID = 1";

echo '<select id = "dropDown1" >';

foreach ($dbo->query($q4) as $row) {
    echo "<br>";
echo  '<option value = " ';

echo  $row['title'];
echo '">';
echo $row['title'];
echo '</option>';

}
echo "<br>";
echo  '</select>';

?>

I'm using AJAX.

 

 

 

 

 

Edited January 2 by JoshEir

Hi guys,   Having some trouble entering some php into my wordpress site that runs on Optimize Press.   I'm trying to insert this URL/ tracking code into my page as a hyperlink - 'Click Here Now'.   http://www.mysite.co...1_50onRed&sub1=<?php echo $sub1; ?>&sub2=<?php echo $sub2; ?>&sub3=<?php echo $sub3; ?>&sub4=<?php echo $sub4; ?>&sub5=<?php echo $sub5; ?>&lpid=<?php echo $lpid; ?>   This is what I have done so far:   <a href="http://www.mysite.co...;sub1=&#60;?php echo $sub1; ?&gt;&amp;sub2=&lt;?php echo $sub2; ?&gt;&amp;sub3=&lt;?php echo $sub3; ?&gt;&amp;sub4=&lt;?php echo $sub4; ?&gt;&amp;sub5=&lt;?php echo $sub5; ?&gt;&amp;lpid=&lt;?php echo $lpid; ?&gt;">Click Here Now</a>   This does generate a hyperlink, however when I click it, I get: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '=' at line 2   I understand for this code to work the page has to be saved in php. I thought wordpress did this automatically?   Can anyone help please? Also, please bear in mind I am using the Optimize Press plugin.     Many thanks in advance!   Tom