Dateien zählen mit Filter - php

<?php
$files = glob('*.csv');  
$filesSmaller10KB = 0;
$files20to30KB = 0;
$filesBigger100KB = 0;

foreach($files as $file){
	$size = filesize($file);
	switch(true){
		case ($size <= 1024 * 10):
			$filesSmaller10KB++;
			break;
		case ($size >= 1024 * 20 && $size <= 1024 * 30):
			$files20to30KB++;
			break;
		case ($size >= 1024 * 100):
			$filesBigger100KB++;
			break;
	}
}
echo "Files smaller/equal to 10KB : $filesSmaller10KB <br>";  
echo "Files between 20KB and 30KB : $files20to30KB <br>";  
echo "Files bigger/equal 100KB : $filesBigger100KB <br>";  
?>

<?php
$files = glob('*.csv');  
$filesSmaller10KB = array();
$files20to30KB = array();
$filesBigger100KB = array();

foreach($files as $file){
	$size = filesize($file);
	switch(true){
		case ($size <= 1024 * 10):
			array_push($filesSmaller10KB,$file);
			break;
		case ($size >= 1024 * 20 && $size <= 1024 * 30):
			array_push($files20to30KB,$file);
			break;
		case ($size >= 1024 * 100):
			array_push($filesBigger100KB,$file);
			break;
	}
}
echo "<p style=\"font-weight:bold\">Files smaller/equal to 10KB : " . count($filesSmaller10KB) . "</p>";  
echo "<pre>" . implode("<br>",$filesSmaller10KB) . "</pre>";  
echo "<p style=\"font-weight:bold\">Files 20KB to 30KB : " . count($files20to30KB) . "</p>";  
echo "<pre>" . implode("<br>",$files20to30KB) . "</pre>";  
echo "<p style=\"font-weight:bold\">Files bigger/equal 100KB : " . count($filesBigger100KB) . "</p>";  
echo "<pre>" . implode("<br>",$filesBigger100KB) . "</pre>";  
?>