Promote warnings to exceptions in ext/gd

Closes GH-6023

ext/gd/gd.c

@@ -861,20 +861,20 @@ PHP_FUNCTION(imagecolormatch)
 	result = gdImageColorMatch(im1, im2);
 	switch (result) {
 		case -1:
-			php_error_docref(NULL, E_WARNING, "Image1 must be TrueColor" );
-			RETURN_FALSE;
+			zend_argument_value_error(1, "must be TrueColor");
+			RETURN_THROWS();
 			break;
 		case -2:
-			php_error_docref(NULL, E_WARNING, "Image2 must be Palette" );
-			RETURN_FALSE;
+			zend_argument_value_error(2, "must be Palette");
+			RETURN_THROWS();
 			break;
 		case -3:
-			php_error_docref(NULL, E_WARNING, "Image1 and Image2 must be the same size" );
-			RETURN_FALSE;
+			zend_argument_value_error(2, "must be the same size as argument #1 ($im1)");
+			RETURN_THROWS();
 			break;
 		case -4:
-			php_error_docref(NULL, E_WARNING, "Image2 must have at least one color" );
-			RETURN_FALSE;
+			zend_argument_value_error(2, "must have at least one color");
+			RETURN_THROWS();
 			break;
 	}
 
@@ -1459,7 +1459,7 @@ gdImagePtr _php_image_create_from_string(zend_string *data, char *tn, gdImagePtr
 
 	im = (*ioctx_func_p)(io_ctx);
 	if (!im) {
-		php_error_docref(NULL, E_WARNING, "Passed data is not in '%s' format", tn);
+		php_error_docref(NULL, E_WARNING, "Passed data is not in \"%s\" format", tn);
 		io_ctx->gd_free(io_ctx);
 		return NULL;
 	}
@@ -1483,8 +1483,8 @@ PHP_FUNCTION(imagecreatefromstring)
 	}
 
 	if (ZSTR_LEN(data) < sizeof(sig)) {
-		php_error_docref(NULL, E_WARNING, "Empty string or invalid image");
-		RETURN_FALSE;
+		zend_argument_value_error(1, "cannot be empty");
+		RETURN_THROWS();
 	}
 
 	memcpy(sig, ZSTR_VAL(data), sizeof(sig));
@@ -1666,7 +1666,7 @@ static void _php_image_create_from(INTERNAL_FUNCTION_PARAMETERS, int image_type,
 		return;
 	}
 
-	php_error_docref(NULL, E_WARNING, "'%s' is not a valid %s file", file, tn);
+	php_error_docref(NULL, E_WARNING, "\"%s\" is not a valid %s file", file, tn);
 out_err:
 	php_stream_close(stream);
 	RETURN_FALSE;
@@ -1806,7 +1806,7 @@ static void _php_image_output(INTERNAL_FUNCTION_PARAMETERS, int image_type, char
 
 		fp = VCWD_FOPEN(fn, "wb");
 		if (!fp) {
-			php_error_docref(NULL, E_WARNING, "Unable to open '%s' for writing", fn);
+			php_error_docref(NULL, E_WARNING, "Unable to open \"%s\" for writing", fn);
 			RETURN_FALSE;
 		}
 
@@ -2297,8 +2297,8 @@ PHP_FUNCTION(imagecolorsforindex)
 		add_assoc_long(return_value,"blue", gdImageBlue(im,col));
 		add_assoc_long(return_value,"alpha", gdImageAlpha(im,col));
 	} else {
-		php_error_docref(NULL, E_WARNING, "Color index %d out of range", col);
-		RETURN_FALSE;
+		zend_argument_value_error(2, "is out of range");
+		RETURN_THROWS();
 	}
 }
 /* }}} */

ext/gd/tests/001-mb.phpt

@@ -20,6 +20,6 @@ echo "Done\n";
 Warning: imagecreatefrompng(%s001私はガラスを食べられます.test): Failed to open stream: No such file or directory in %s on line %d
 bool(false)
 
-Warning: imagecreatefrompng(): '%s001私はガラスを食べられます.test' is not a valid PNG file in %s on line %d
+Warning: imagecreatefrompng(): "%s001私はガラスを食べられます.test" is not a valid PNG file in %s on line %d
 bool(false)
 Done

ext/gd/tests/001.phpt

@@ -20,6 +20,6 @@ echo "Done\n";
 Warning: imagecreatefrompng(%s001.test): Failed to open stream: No such file or directory in %s on line %d
 bool(false)
 
-Warning: imagecreatefrompng(): '%s001.test' is not a valid PNG file in %s on line %d
+Warning: imagecreatefrompng(): "%s001.test" is not a valid PNG file in %s on line %d
 bool(false)
 Done

ext/gd/tests/bug37346-mb.phpt

@@ -9,4 +9,4 @@ Bug #37346 (gdimagecreatefromgif, bad colormap)
 $im = imagecreatefromgif(__DIR__ . '/bug37346私はガラスを食べられます.gif');
 ?>
 --EXPECTF--
-Warning: imagecreatefromgif(): '%sbug37346私はガラスを食べられます.gif' is not a valid GIF file in %sbug37346-mb.php on line %d
+Warning: imagecreatefromgif(): "%sbug37346私はガラスを食べられます.gif" is not a valid GIF file in %sbug37346-mb.php on line %d

ext/gd/tests/bug37346.phpt

@@ -9,4 +9,4 @@ Bug #37346 (gdimagecreatefromgif, bad colormap)
 $im = imagecreatefromgif(__DIR__ . '/bug37346.gif');
 ?>
 --EXPECTF--
-Warning: imagecreatefromgif(): '%sbug37346.gif' is not a valid GIF file in %sbug37346.php on line %d
+Warning: imagecreatefromgif(): "%sbug37346.gif" is not a valid GIF file in %sbug37346.php on line %d

ext/gd/tests/bug37360.phpt

@@ -10,5 +10,5 @@ $im = imagecreatefromgif(__DIR__ . '/bug37360.gif');
 var_dump($im);
 ?>
 --EXPECTF--
-Warning: imagecreatefromgif(): '%s' is not a valid GIF file in %s on line %d
+Warning: imagecreatefromgif(): "%s" is not a valid GIF file in %s on line %d
 bool(false)

ext/gd/tests/bug38112.phpt

@@ -11,4 +11,4 @@ Bug #38112 (GIF Invalid Code size ).
 $im = imagecreatefromgif(__DIR__ . '/bug38112.gif');
 ?>
 --EXPECTF--
-Warning: imagecreatefromgif(): '%sbug38112.gif' is not a valid GIF file in %sbug38112.php on line %d
+Warning: imagecreatefromgif(): "%sbug38112.gif" is not a valid GIF file in %sbug38112.php on line %d

ext/gd/tests/bug39780.phpt

@@ -16,5 +16,5 @@ Warning: imagecreatefrompng(): gd-png:  fatal libpng error: Read Error: truncate
 
 Warning: imagecreatefrompng(): gd-png error: setjmp returns error condition in %s on line %d
 
-Warning: imagecreatefrompng(): '%s' is not a valid PNG file in %s on line %d
+Warning: imagecreatefrompng(): "%s" is not a valid PNG file in %s on line %d
 bool(false)

ext/gd/tests/bug39780_extern.phpt

@@ -14,5 +14,5 @@ var_dump($im);
 --EXPECTF--
 gd-png:  fatal libpng error: Read Error: truncated data
 gd-png error: setjmp returns error condition 2
-Warning: imagecreatefrompng(): '%sbug39780.png' is not a valid PNG file in /%s on line %d
+Warning: imagecreatefrompng(): v%sbug39780.png" is not a valid PNG file in /%s on line %d
 bool(false)

ext/gd/tests/bug71912-mb.phpt

@@ -11,5 +11,5 @@ imagecreatefromgd2(__DIR__ . DIRECTORY_SEPARATOR . "invalid_neg_size私はガラ
 ?>
 OK
 --EXPECTF--
-Warning: imagecreatefromgd2(): '%s%einvalid_neg_size私はガラスを食べられます.gd2' is not a valid GD2 file in %s%ebug71912-mb.php on line %d
+Warning: imagecreatefromgd2(): "%s%einvalid_neg_size私はガラスを食べられます.gd2" is not a valid GD2 file in %s%ebug71912-mb.php on line %d
 OK

ext/gd/tests/bug71912.phpt

@@ -14,5 +14,5 @@ imagecreatefromgd2(__DIR__ . DIRECTORY_SEPARATOR . "invalid_neg_size.gd2");
 ?>
 OK
 --EXPECTF--
-Warning: imagecreatefromgd2(): '%s%einvalid_neg_size.gd2' is not a valid GD2 file in %s%ebug71912.php on line %d
+Warning: imagecreatefromgd2(): "%s%einvalid_neg_size.gd2" is not a valid GD2 file in %s%ebug71912.php on line %d
 OK

ext/gd/tests/bug72339.phpt

@@ -35,4 +35,4 @@ unlink($fname);
 Warning: imagecreatefromgd2(): Product of memory allocation multiplication would exceed INT_MAX, failing operation gracefully
  in %sbug72339.php on line %d
 
-Warning: imagecreatefromgd2(): '%sbug72339.gd' is not a valid GD2 file in %sbug72339.php on line %d
+Warning: imagecreatefromgd2(): "%sbug72339.gd" is not a valid GD2 file in %sbug72339.php on line %d

ext/gd/tests/bug73161.phpt

@@ -12,5 +12,5 @@ $im = imagecreatefromgd2(__DIR__ . DIRECTORY_SEPARATOR . 'bug73161.gd2');
 var_dump($im);
 ?>
 --EXPECTF--
-Warning: imagecreatefromgd2(): '%s' is not a valid GD2 file in %s on line %d
+Warning: imagecreatefromgd2(): "%s" is not a valid GD2 file in %s on line %d
 bool(false)

ext/gd/tests/bug73868.phpt

@@ -12,5 +12,5 @@ var_dump(imagecreatefromgd2(__DIR__ . DIRECTORY_SEPARATOR . 'bug73868.gd2'));
 Warning: imagecreatefromgd2(): gd2: EOF while reading
  in %s on line %d
 
-Warning: imagecreatefromgd2(): '%s' is not a valid GD2 file in %s on line %d
+Warning: imagecreatefromgd2(): "%s" is not a valid GD2 file in %s on line %d
 bool(false)

ext/gd/tests/bug73869.phpt

@@ -10,8 +10,8 @@ var_dump(imagecreatefromgd2(__DIR__ . DIRECTORY_SEPARATOR . 'bug73869a.gd2'));
 var_dump(imagecreatefromgd2(__DIR__ . DIRECTORY_SEPARATOR . 'bug73869b.gd2'));
 ?>
 --EXPECTF--
-Warning: imagecreatefromgd2(): '%s' is not a valid GD2 file in %s on line %d
+Warning: imagecreatefromgd2(): "%s" is not a valid GD2 file in %s on line %d
 bool(false)
 
-Warning: imagecreatefromgd2(): '%s' is not a valid GD2 file in %s on line %d
+Warning: imagecreatefromgd2(): "%s" is not a valid GD2 file in %s on line %d
 bool(false)

ext/gd/tests/bug75111.phpt

@@ -17,7 +17,7 @@ $str .= hex2bin("01001800000000000000000000000000000000000000000000000000");
 var_dump(imagecreatefromstring($str));
 ?>
 --EXPECTF--
-Warning: imagecreatefromstring(): Passed data is not in 'BMP' format in %s on line %d
+Warning: imagecreatefromstring(): Passed data is not in "BMP" format in %s on line %d
 
 Warning: imagecreatefromstring(): Couldn't create GD Image Stream out of Data in %s on line %d
 bool(false)

ext/gd/tests/bug75571.phpt

@@ -9,5 +9,5 @@ if (!extension_loaded('gd')) die('skip gd extension not available');
 var_dump(imagecreatefromgif(__DIR__ . '/bug75571.gif'));
 ?>
 --EXPECTF--
-Warning: imagecreatefromgif(): '%s' is not a valid GIF file in %s on line %d
+Warning: imagecreatefromgif(): "%s" is not a valid GIF file in %s on line %d
 bool(false)

ext/gd/tests/bug77195.phpt

@@ -14,4 +14,4 @@ imagecreatefromjpeg($filename);
 --EXPECTF--
 Warning: imagecreatefromjpeg(): gd-jpeg: JPEG library reports unrecoverable error: JPEG datastream contains no image in %s on line %d
 
-Warning: imagecreatefromjpeg(): '%s' is not a valid JPEG file in %s on line %d
+Warning: imagecreatefromjpeg(): "%s" is not a valid JPEG file in %s on line %d

ext/gd/tests/bug77973.phpt

@@ -16,7 +16,7 @@ var_dump($im);
 --EXPECTF--
 Warning: imagecreatefromxbm(): Invalid XBM in %s on line %d
 
-Warning: imagecreatefromxbm(): '%s' is not a valid XBM file in %s on line %d
+Warning: imagecreatefromxbm(): "%s" is not a valid XBM file in %s on line %d
 bool(false)
 --CLEAN--
 <?php

ext/gd/tests/colorclosest.phpt

@@ -14,7 +14,11 @@ imagedestroy($im);
 
 $im = imagecreate(5,5);
 $c = imagecolorclosest($im, 255,0,255);
-print_r(imagecolorsforindex($im, $c));
+try {
+  imagecolorsforindex($im, $c);
+} catch (ValueError $exception) {
+    echo $exception->getMessage() . "\n";
+}
 imagedestroy($im);
 
 $im = imagecreate(5,5);
@@ -48,7 +52,11 @@ imagedestroy($im);
 
 $im = imagecreate(5,5);
 $c = imagecolorclosestalpha($im, 255,0,255,100);
-print_r(imagecolorsforindex($im, $c));
+try {
+  imagecolorsforindex($im, $c);
+} catch (ValueError $exception) {
+    echo $exception->getMessage() . "\n";
+}
 imagedestroy($im);
 
 $im = imagecreate(5,5);
@@ -62,7 +70,6 @@ for ($i=0; $i<255; $i++) imagecolorresolvealpha($im, $i,0,0,1);
 $c = imagecolorclosestalpha($im, 255,0,0,1);
 print_r(imagecolorsforindex($im, $c));
 
-
 $im = imagecreate(5,5);
 for ($i=0; $i<256; $i++) {
     if ($i == 246) {
@@ -74,12 +81,10 @@ for ($i=0; $i<256; $i++) {
 $c = imagecolorclosestalpha($im, 255,10,10,1);
 print_r(imagecolorsforindex($im, $c));
 
-
 ?>
---EXPECTF--
+--EXPECT--
 FF00FF
-
-Warning: imagecolorsforindex(): Color index -1 out of range in %s on line %d
+imagecolorsforindex(): Argument #2 ($index) is out of range
 Array
 (
     [red] => 255
@@ -102,8 +107,7 @@ Array
     [alpha] => 0
 )
 64FF00FF
-
-Warning: imagecolorsforindex(): Color index -1 out of range in %s on line %d
+imagecolorsforindex(): Argument #2 ($index) is out of range
 Array
 (
     [red] => 255

ext/gd/tests/colormatch.phpt

@@ -10,12 +10,16 @@ imagecolormatch
 $im = imagecreatetruecolor(5,5);
 $im2 = imagecreate(5,5);
 
-imagecolormatch($im, $im2);
+try {
+    imagecolormatch($im, $im2);
+} catch (ValueError $exception) {
+    echo $exception->getMessage() . "\n";
+}
 
 echo "ok\n";
 
 imagedestroy($im);
 ?>
---EXPECTF--
-Warning: imagecolormatch(): Image2 must have at least one color in %s on line %d
+--EXPECT--
+imagecolormatch(): Argument #2 ($im2) must have at least one color
 ok

ext/gd/tests/crafted_gd2.phpt

@@ -11,4 +11,4 @@ Test max colors for a gd image.
 imagecreatefromgd(__DIR__ . '/crafted.gd2');
 ?>
 --EXPECTF--
-Warning: imagecreatefromgd(): '%scrafted.gd2' is not a valid GD file in %s on line %d
+Warning: imagecreatefromgd(): "%scrafted.gd2" is not a valid GD file in %s on line %d

ext/gd/tests/createfromstring.phpt

@@ -51,14 +51,17 @@ unlink($dir . '/p.png');
 
 
 //empty string
-$im = imagecreatefromstring('');
+try {
+    imagecreatefromstring('');
+} catch (ValueError $exception) {
+    echo $exception->getMessage() . "\n";
+}
 //random string > 12
 $im = imagecreatefromstring(' asdf jklp foo');
 ?>
 --EXPECTF--
 createfromstring truecolor png: ok
 createfromstring palette png: ok
-
-Warning: imagecreatefromstring(): Empty string or invalid image in %screatefromstring.php on line %d
+imagecreatefromstring(): Argument #1 ($image) cannot be empty
 
 Warning: imagecreatefromstring(): Data is not in a recognized format in %screatefromstring.php on line %d

ext/gd/tests/createfromwbmp2.phpt

@@ -45,4 +45,4 @@ unlink($filename);
 Warning: imagecreatefromwbmp(): Product of memory allocation multiplication would exceed INT_MAX, failing operation gracefully
  in %s on line %d
 
-Warning: imagecreatefromwbmp(): '%s' is not a valid WBMP file in %s on line %d
+Warning: imagecreatefromwbmp(): "%s" is not a valid WBMP file in %s on line %d

ext/gd/tests/createfromwbmp2_extern.phpt

@@ -44,4 +44,4 @@ unlink($filename);
 --EXPECTF--
 gd warning: Product of memory allocation multiplication would exceed INT_MAX, failing operation gracefully
 
-Warning: imagecreatefromwbmp(): '%s_tmp.wbmp' is not a valid WBMP file in %s on line %d
+Warning: imagecreatefromwbmp(): "%s_tmp.wbmp" is not a valid WBMP file in %s on line %d

ext/gd/tests/imagecolormatch_error2.phpt

@@ -13,8 +13,13 @@ $ima = imagecreate(110, 20);
 $background_color = imagecolorallocate($ima, 0, 0, 0);
 $imb = imagecreate(110, 20);
 $background_color = imagecolorallocate($imb, 0, 0, 100);
-var_dump(imagecolormatch($ima, $imb));
+
+try {
+    imagecolormatch($ima, $imb);
+} catch (ValueError $exception) {
+    echo $exception->getMessage() . "\n";
+}
+
 ?>
---EXPECTF--
-Warning: imagecolormatch(): Image1 must be TrueColor in %s on line %d
-bool(false)
+--EXPECT--
+imagecolormatch(): Argument #1 ($im1) must be TrueColor

ext/gd/tests/imagecolormatch_error3.phpt

@@ -13,8 +13,13 @@ $ima = imagecreatetruecolor(110, 20);
 $background_color = imagecolorallocate($ima, 0, 0, 0);
 $imb = imagecreatetruecolor(110, 20);
 $background_color = imagecolorallocate($imb, 0, 0, 100);
-var_dump(imagecolormatch($ima, $imb));
+
+try {
+    imagecolormatch($ima, $imb);
+} catch (ValueError $exception) {
+    echo $exception->getMessage() . "\n";
+}
+
 ?>
---EXPECTF--
-Warning: imagecolormatch(): Image2 must be Palette in %s on line %d
-bool(false)
+--EXPECT--
+imagecolormatch(): Argument #2 ($im2) must be Palette

ext/gd/tests/imagecolormatch_error4.phpt

@@ -13,8 +13,13 @@ $ima = imagecreatetruecolor(110, 20);
 $background_color = imagecolorallocate($ima, 0, 0, 0);
 $imb = imagecreate(100, 20);
 $background_color = imagecolorallocate($imb, 0, 0, 100);
-var_dump(imagecolormatch($ima, $imb));
+
+try {
+    imagecolormatch($ima, $imb);
+} catch (ValueError $exception) {
+    echo $exception->getMessage() . "\n";
+}
+
 ?>
---EXPECTF--
-Warning: imagecolormatch(): Image1 and Image2 must be the same size in %s on line %d
-bool(false)
+--EXPECT--
+imagecolormatch(): Argument #2 ($im2) must be the same size as argument #1 ($im1)

ext/gd/tests/libgd00086.phpt

@@ -16,5 +16,5 @@ Warning: imagecreatefrompng(): gd-png:  fatal libpng error: Read Error: truncate
 
 Warning: imagecreatefrompng(): gd-png error: setjmp returns error condition in %s on line %d
 
-Warning: imagecreatefrompng(): '%s' is not a valid PNG file in %s on line %d
+Warning: imagecreatefrompng(): "%s" is not a valid PNG file in %s on line %d
 bool(false)

ext/gd/tests/libgd00086_extern.phpt

@@ -15,5 +15,5 @@ var_dump($im);
 gd-png:  fatal libpng error: Read Error: truncated data
 gd-png error: setjmp returns error condition 1
 
-Warning: imagecreatefrompng(): '%slibgd00086.png' is not a valid PNG file in %s on line %d
+Warning: imagecreatefrompng(): "%slibgd00086.png" is not a valid PNG file in %s on line %d
 bool(false)

ext/gd/tests/libgd00094-mb.phpt

@@ -11,5 +11,5 @@ $im = imagecreatefromxbm(__DIR__ . '/libgd00094私はガラスを食べられま
 var_dump($im);
 ?>
 --EXPECTF--
-Warning: imagecreatefromxbm(): '%slibgd00094私はガラスを食べられます.xbm' is not a valid XBM file in %slibgd00094-mb.php on line %d
+Warning: imagecreatefromxbm(): "%slibgd00094私はガラスを食べられます.xbm" is not a valid XBM file in %slibgd00094-mb.php on line %d
 bool(false)

ext/gd/tests/libgd00094.phpt

@@ -11,5 +11,5 @@ $im = imagecreatefromxbm(__DIR__ . '/libgd00094.xbm');
 var_dump($im);
 ?>
 --EXPECTF--
-Warning: imagecreatefromxbm(): '%slibgd00094.xbm' is not a valid XBM file in %slibgd00094.php on line %d
+Warning: imagecreatefromxbm(): "%slibgd00094.xbm" is not a valid XBM file in %slibgd00094.php on line %d
 bool(false)

ext/gd/tests/libgd00101.phpt

@@ -14,5 +14,5 @@ var_dump($im);
 Warning: imagecreatefromgd(): Product of memory allocation multiplication would exceed INT_MAX, failing operation gracefully
  in %slibgd00101.php on line %d
 
-Warning: imagecreatefromgd(): '%slibgd00101.gd' is not a valid GD file in %slibgd00101.php on line %d
+Warning: imagecreatefromgd(): "%slibgd00101.gd" is not a valid GD file in %slibgd00101.php on line %d
 bool(false)