clover_merge refactoring.

bin/clover_merge

@@ -1,32 +1,32 @@
 #!/usr/bin/env php
 <?php
 $options = getopt("f:o:");
-if (! isset($options['f'])) {
-	echo "Files have to be specified with -f\n";
-	exit(1);
+if (!isset($options['f'])) {
+    echo "Files have to be specified with -f\n";
+    exit(1);
 }
-if (! isset($options['o'])) {
-	echo "Output has to be specified with -o\n";
-	exit(1);
+if (!isset($options['o'])) {
+    echo "Output has to be specified with -o\n";
+    exit(1);
 }
 $files = $options['f'];
-if (! is_array($files)) {
-	$files = array($files);
+if (!is_array($files)) {
+    $files = [$files];
 }
 $output = $options['o'];
 $buffer = '';
 foreach ($files as $file) {
-	if (! file_exists($file)) {
-		echo "File '$file' doesn't exist\n";
-		exit(2);
-	}
-	$report = simplexml_load_file($file);
-	$buffer .= $report->project->asXML();
+    if (!file_exists($file)) {
+        echo "File '$file' doesn't exist\n";
+        exit(2);
+    }
+    $report = simplexml_load_file($file);
+    $buffer .= $report->project->asXML();
 }
-$fh = fopen($output ,'w');
-if (! $fh) {
-	echo "Cannot open '$output' for writing\n";
-	exit(2);
+$fh = fopen($output, 'w');
+if (!$fh) {
+    echo "Cannot open '$output' for writing\n";
+    exit(2);
 }
 fwrite($fh, sprintf('<?xml version="1.0" encoding="UTF-8"?><coverage>%s</coverage>', $buffer));
 fclose($fh);