Merge pull request #10 from AntoineAugusti/improve-readme

Improve the README content

README.md

@@ -32,43 +32,49 @@ php artisan config:publish thomaswelton/laravel-gravatar
 
 ### Default Image
 
-Update the config file to specify the default avatar size to use.
-And a default image to be return if no Gravatar is found allowed defaults
-- (bool)   false
-- (string) 404
-- (string) mm
-- (string) identicon
-- (string) monsterid
-- (string) wavatar
-- (string) retro
+Update the config file to specify the default avatar size to use and a default image to be return if no Gravatar is found. 
+
+Allowed defaults:
+- (bool)   `false`
+- (string) `404`
+- (string) `mm`: (mystery-man) a simple, cartoon-style silhouetted outline of a person (does not vary by email hash).
+- (string) `identicon`: a geometric pattern based on an email hash.
+- (string) `monsterid`: a generated 'monster' with different colors, faces, etc.
+- (string) `wavatar`: generated faces with differing features and backgrounds.
+- (string) `retro`: awesome generated, 8-bit arcade-style pixelated faces.
+
+Example images can be viewed on [the Gravatar website](https://gravatar.com/site/implement/images/).
 
 ### Content Ratings
 
 By default only "G" rated images will be shown. You can change this system wide in the config file by editing `'maxRating' => 'g'` allowed values are
-- g
-- pg
-- r
-- x
+- `g`: suitable for display on all websites with any audience type.
+- `pg`: may contain rude gestures, provocatively dressed individuals, the lesser swear words, or mild violence.
+- `r`: may contain such things as harsh profanity, intense violence, nudity, or hard drug use.
+- `x`: may contain hardcore sexual imagery or extremely disturbing violence.
 
-Or the content rating can be changed by changing the `$rating` argument when calling `Gravatar::src` or `Gravatar::image`
+The content rating can be changed by changing the `$rating` argument when calling `Gravatar::src` or `Gravatar::image`.
 
 
 ## Usage
 
+### Gravatar::exists($email)
+Returns a boolean telling if the given `$email` has got a Gravatar.
+
 ### Gravatar::src($email, $size = null, $rating = null)
 
 Returns the https URL for the Gravatar of the email address specified.
 Can optionally pass in the size required as an integer. The size will be contained within a range between 1 - 512 as gravatar will no return sizes greater than 512 of less than 1
 
 ```html
 <!-- Show image with default dimensions -->
-<img src="<?= Gravatar::src('[email protected]') ?>">
+<img src="{{ Gravatar::src('[email protected]') }}">
 
 <!-- Show image at 200px -->
-<img src="<?= Gravatar::src('[email protected]', 200) ?>">
+<img src="{{ Gravatar::src('[email protected]', 200) }}">
 
 <!-- Show image at 512px scaled in HTML to 1024px -->
-<img src="<?= Gravatar::src('[email protected]', 1024) ?>" width=1024>
+<img src="{{ Gravatar::src('[email protected]', 1024) }}" width=1024>
 ```
 
 ### Gravatar::image($email, $alt = null, $attributes = array(), $rating = null)
@@ -84,4 +90,4 @@ echo Gravatar::image('[email protected]', 'Some picture', array('width' => 200
 
 // Show image at 512px scaled in HTML to 1024px
 echo Gravatar::image('[email protected]', 'Some picture', array('width' => 1024, 'height' => 1024));
-```
+```