php - How to encode blob to base64 string on yii framework? -


i want encode blob image db base64 string, want encode string json. i've tried this:

$img = image::model()->findbysql('select img tbl_img id=1'); $value = chunk_split(base64_encode($img)); echo cjson::encode($value);

the img field above blob. , i've got nothing. can help?

use 

echo json_encode($value);

instead of

echo cjson::encode($value);

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