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README.md

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+# JSON Decode Twig Filter <small>_for Craft CMS_</small>
+
+Adds a json_decode filter to your toolkit.
+
+## Example Use
+
+Add extra data to fields like multiselect, in this example add icons from multiple sources.
+
+```php
+{{ forms.multiselect({
+	label: "Example Icons"|t,
+	id: 'icons',
+	name: 'icons',
+	value: example.icons,
+	errors: example.getErrors('icons'),
+	required: true,
+	options: [
+		{
+			label: 'Camping',
+			value: '{ "type":"svg", "class":"camping" }'
+		},{
+			label: 'Adventure',
+			value: '{ "type":"maki", "class":"maki-pitch" }'
+		},{
+			label: 'Beach',
+			value: '{ "type":"maki", "class":"maki-swimming" }'
+		},{
+			label: 'Mountain',
+			value: '{ "type":"svg", "class":"mountain" }'
+		}
+	]
+}) }}
+```
+
+```html
+<div class="example__icons">
+	{% for rawicon in examplePlugin.icons %}
+	{% set icon = rawicon | json_decode %}
+	{% if icon.type == 'maki' %}
+	<span class="{{ icon.class }}"></span>
+	{% elseif icon.type == 'svg' %}
+	{{ SVGicons.outdoor(icon.class) }}
+	{% endif %}
+	{% endfor %}
+</div>
+```
+[Dale Inverarity](http://dale.wtf/) © 2015 - All rights reserved

jsondecodetwigfilter/JsonDecodeTwigFilterPlugin.php

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+<?php
+namespace Craft;
+
+class JsonDecodeTwigFilterPlugin extends BasePlugin {
+
+	function getName() {
+
+		return Craft::t('JSON Decode Twig Filter');
+	}
+
+	function getVersion() {
+
+		return '1.0.9';
+	}
+
+	function getDeveloper() {
+
+		return 'Dale Inverarity';
+	}
+
+	function getDeveloperUrl() {
+
+		return 'http://dale.wtf/';
+	}
+
+	public function addTwigExtension() {
+
+	    Craft::import('plugins.JsonDecodeTwigFilterPlugin.twigextensions.JsonDecodeTwigExtension');
+	    return new JsonDecodeTwigExtension();
+	}
+
+}

jsondecodetwigfilter/twigextensions/JsonDecodeTwigExtension.php

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+<?php
+namespace Craft;
+
+use Twig_Extension;  
+use Twig_Filter_Method;
+
+class JsonDecodeTwigExtension extends \Twig_Extension {
+
+	public function getName() {
+
+        return 'Json Decode';
+    }
+
+    public function getFilters() {
+
+        $returnArray = array();
+        $methods = array(
+            'json_decode',
+        );
+
+        foreach ($methods as $methodName) {
+            $returnArray[$methodName] = new \Twig_Filter_Method($this, $methodName);
+        }
+
+        return $returnArray;
+    }
+
+    public function json_decode($json) {
+
+        return json_decode($json);
+    }
+}