X-Git-Url: http://git.heureux-cyclage.org/?a=blobdiff_plain;f=includes%2Fdiff%2FDiffFormatter.php;h=07124c02ce7b17d73f0c910e148cb98713726d94;hb=835a1c38f00b601fbcc81a2aad8639160ccb1bc1;hp=33ca931fdb588175c77775566911688fc9cb17c9;hpb=53ebdc8a18e1252525c41a4c45df12e875ef887f;p=lhc%2Fweb%2Fwiklou.git

diff --git a/includes/diff/DiffFormatter.php b/includes/diff/DiffFormatter.php
index 33ca931fdb..07124c02ce 100644
--- a/includes/diff/DiffFormatter.php
+++ b/includes/diff/DiffFormatter.php
@@ -49,6 +49,9 @@ abstract class DiffFormatter {
 	 */
 	protected $trailingContextLines = 0;
 
+	/** @var string The output buffer; holds the output while it is built. */
+	private $result = '';
+
 	/**
 	 * Format a diff.
 	 *
@@ -57,10 +60,9 @@ abstract class DiffFormatter {
 	 * @return string The formatted output.
 	 */
 	public function format( $diff ) {
-
 		$xi = $yi = 1;
 		$block = false;
-		$context = array();
+		$context = [];
 
 		$nlead = $this->leadingContextLines;
 		$ntrail = $this->trailingContextLines;
@@ -91,7 +93,7 @@ abstract class DiffFormatter {
 					$context = array_slice( $context, count( $context ) - $nlead );
 					$x0 = $xi - count( $context );
 					$y0 = $yi - count( $context );
-					$block = array();
+					$block = [];
 					if ( $context ) {
 						$block[] = new DiffOpCopy( $context );
 					}
@@ -123,7 +125,7 @@ abstract class DiffFormatter {
 	 * @param int $xlen
 	 * @param int $ybeg
 	 * @param int $ylen
-	 * @param array $edits
+	 * @param array &$edits
 	 *
 	 * @throws MWException If the edit type is not known.
 	 */
@@ -146,15 +148,24 @@ abstract class DiffFormatter {
 	}
 
 	protected function startDiff() {
-		ob_start();
+		$this->result = '';
+	}
+
+	/**
+	 * Writes a string to the output buffer.
+	 *
+	 * @param string $text
+	 */
+	protected function writeOutput( $text ) {
+		$this->result .= $text;
 	}
 
 	/**
 	 * @return string
 	 */
 	protected function endDiff() {
-		$val = ob_get_contents();
-		ob_end_clean();
+		$val = $this->result;
+		$this->result = '';
 
 		return $val;
 	}
@@ -185,7 +196,7 @@ abstract class DiffFormatter {
 	 * @param string $header
 	 */
 	protected function startBlock( $header ) {
-		echo $header . "\n";
+		$this->writeOutput( $header . "\n" );
 	}
 
 	/**
@@ -203,7 +214,7 @@ abstract class DiffFormatter {
 	 */
 	protected function lines( $lines, $prefix = ' ' ) {
 		foreach ( $lines as $line ) {
-			echo "$prefix $line\n";
+			$this->writeOutput( "$prefix $line\n" );
 		}
 	}
 
@@ -236,7 +247,7 @@ abstract class DiffFormatter {
 	 */
 	protected function changed( $orig, $closing ) {
 		$this->deleted( $orig );
-		echo "---\n";
+		$this->writeOutput( "---\n" );
 		$this->added( $closing );
 	}