Reformat episode number for EPG XML.

epg_processor.php

<?php

try {
	if(isset($_SERVER['argv'][1])) {
		$xml_file = $_SERVER['argv'][1];
	}
	else {
		$xml_file = 'TVGuide.xml';
	}
	
	if(!is_readable($xml_file)) {
		throw new Exception("File $xml_file not found.");
	}
	
	$xml = new DOMDocument('1.1', 'UTF-8');
	$xml->load($xml_file);
	
	foreach($xml->getElementsByTagName('episode-num') as $n => $episode) {
		$val = $episode->nodeValue;
		$parts = explode('.', $episode->nodeValue);
		
		if(count($parts) != 3) {
			echo "'$val' is in a different format.", PHP_EOL;
			continue;
		}
	
		$val = $parts[1];
		
		$episode->nodeValue = str_replace('/', '-', trim($val, ' /'));
		
		$episode->setAttribute('system', 'dd_progid');
	
		if($n%10 == 0){
			echo '.';
		}
	}
	
	$pos = strrpos($xml_file, '.');
	
	$new_file = sprintf('%s_processed%s', substr($xml_file, 0, $pos), substr($xml_file, $pos));
	
	if($xml->save($new_file) !== false) {
		echo "\n\nFile saved to $new_file\n";
	}
}
catch (Exception $e) {
	echo $e->getMessage();	
}