Download Slack emojis

download.php

<?php

if($argc < 2)
{
	echo PHP_EOL . "\033[44m Instructions \033[0m" . PHP_EOL;
	?>

1. Head to https://your-workspace.slack.com/customize/emoji
2. Open developer tools network parse_ini_file
3. Find <?php echo "\033[34m"; ?>emojiAdmin.list<?php echo "\033[0m"; ?>, save in this directory
4. Run <?php echo "\033[34m"; ?>php download.php emojis.json<?php echo "\033[0m"; ?> replacing with your JSON filename
5. ?
6. Profit!
	<?php
	exit(1);
}

function error(string $message)
{
	die("\033[41m{$message}\033[0m" . PHP_EOL);
}

$jsonFile = $argv[1];

if(!file_exists($jsonFile))
	error("File not found $jsonFile");

// Read and decode the JSON file
$jsonData = json_decode(file_get_contents($jsonFile), true);

if($jsonData === false)
	error("Failed to read $jsonFile");

if (!isset($jsonData['emoji']) || !is_array($jsonData['emoji']))
	error("Unexpected format in $jsonFile");
    
// Loop through each element in the emoji array
foreach ($jsonData['emoji'] as $emoji) {
	
	// Extract 'name' and 'url' properties
	$name = $emoji['name'];
	$url = $emoji['url'];
	
	// Extract the file extension from the URL (e.g. .png, .jpg)
	$extension = pathinfo($url, PATHINFO_EXTENSION);
	
	// Create the filename by combining the name and extension
	$filename = $name . '.' . $extension;
	
	// Download the file and save it locally
	file_put_contents($filename, file_get_contents($url));
	
	echo "Downloaded: $filename" . PHP_EOL;
}

echo "\033[42mDone!\033[0m" . PHP_EOL;