diff --git a/src/Symfony/Component/Filesystem/Filesystem.php b/src/Symfony/Component/Filesystem/Filesystem.php
index e2812f8e2252b..3e3bd6fd3addc 100644
--- a/src/Symfony/Component/Filesystem/Filesystem.php
+++ b/src/Symfony/Component/Filesystem/Filesystem.php
@@ -663,8 +663,8 @@ public function tempnam($dir, $prefix)
/**
* Atomically dumps content into a file.
*
- * @param string $filename The file to be written to
- * @param string $content The data to write into the file
+ * @param string $filename The file to be written to
+ * @param string|resource $content The data to write into the file
*
* @throws IOException if the file cannot be written to
*/
@@ -684,8 +684,20 @@ public function dumpFile($filename, $content)
// when the filesystem supports chmod.
$tmpFile = $this->tempnam($dir, basename($filename));
- if (false === @file_put_contents($tmpFile, $content)) {
- throw new IOException(sprintf('Failed to write file "%s".', $filename), 0, null, $filename);
+ $expectedSize = false;
+
+ if (\is_resource($content)) {
+ $stat = fstat($content);
+ if (false !== $stat) {
+ $expectedSize = $stat['size'] - ftell($content);
+ }
+ } else {
+ $expectedSize = array_sum(array_map('strlen', (array) $content));
+ }
+
+ $actualSize = @file_put_contents($tmpFile, $content);
+ if ((false === $expectedSize && false === $actualSize) && ($actualSize !== $expectedSize)) {
+ throw new IOException(sprintf('Failed to write file "%s". Wrote %d of %d bytes.', $filename, $actualSize, $expectedSize), 0, null, $filename);
}
@chmod($tmpFile, file_exists($filename) ? fileperms($filename) : 0666 & ~umask());
diff --git a/src/Symfony/Component/Filesystem/Tests/FilesystemTest.php b/src/Symfony/Component/Filesystem/Tests/FilesystemTest.php
index 8ac80437fe5dc..8666de00b99a6 100644
--- a/src/Symfony/Component/Filesystem/Tests/FilesystemTest.php
+++ b/src/Symfony/Component/Filesystem/Tests/FilesystemTest.php
@@ -1505,6 +1505,38 @@ public function testDumpFileWithResource()
$this->assertStringEqualsFile($filename, 'bar');
}
+ public function testDumpPartialFileWithResource()
+ {
+ $filename = $this->workspace.\DIRECTORY_SEPARATOR.'foo'.\DIRECTORY_SEPARATOR.'baz.txt';
+
+ $resource = fopen('php://memory', 'rw');
+ fwrite($resource, 'bar');
+ fseek($resource, 1);
+
+ $this->filesystem->dumpFile($filename, $resource);
+
+ fclose($resource);
+ $this->assertFileExists($filename);
+ $this->assertStringEqualsFile($filename, 'ar');
+ }
+
+ /**
+ * @group network
+ */
+ public function testDumpFileWithHttpStream()
+ {
+ if (!\in_array('https', stream_get_wrappers())) {
+ $this->markTestSkipped('"https" stream wrapper is not enabled.');
+ }
+ $sourceFilePath = 'https://symfony.com/images/common/logo/logo_symfony_header.png';
+ $targetFilePath = $this->workspace.\DIRECTORY_SEPARATOR.'dump_target_file';
+
+ $this->filesystem->dumpFile($targetFilePath, fopen($sourceFilePath, 'rb'));
+
+ $this->assertFileExists($targetFilePath);
+ $this->assertEquals(file_get_contents($sourceFilePath), file_get_contents($targetFilePath));
+ }
+
public function testDumpFileOverwritesAnExistingFile()
{
$filename = $this->workspace.\DIRECTORY_SEPARATOR.'foo.txt';
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