Issue #258 Add toString() method to Image

mikehaertl · mikehaertl · commit a53d5917362e · 2017-12-31T10:18:19.000+01:00
diff --git a/src/Image.php b/src/Image.php
@@ -144,6 +144,19 @@ public function send($filename = null,$inline = false)
         return true;
     }
 
+    /**
+     * Get the raw Image contents (triggers Image creation).
+     * @return string|bool The Image content as a string or `false` if the
+     * Image wasn't created successfully.
+     */
+    public function toString()
+    {
+        if (!$this->_isCreated && !$this->createImage()) {
+            return false;
+        }
+        return file_get_contents($this->_tmpImageFile->getFileName());
+    }
+
     /**
      * Set options
      *
diff --git a/tests/ImageTest.php b/tests/ImageTest.php
@@ -102,6 +102,21 @@ public function testCanSetPageFromUrl()
         unlink($outFile);
     }
 
+    public function testToString()
+    {
+        $outFile = $this->getOutFile('png');
+        $binary = $this->getBinary();
+
+        $image = new Image('<html><h1>Test</h1></html>');
+        $image->binary = $binary;
+
+        $this->assertTrue($image->saveAs($outFile));
+        $this->assertFileExists($outFile);
+
+        $this->assertEquals(file_get_contents($outFile), $image->toString());
+        unlink($outFile);
+    }
+
     // Options
     public function testCanOptionsInConstructor()
     {
