Be careful with serialized data!!!
This plugin does a great job of straight string replacement in the WP database.
Unfortunately, some meta data, such as options, etc. are stored as serialized data… which means that if you do simple string replacements on them, they will probably break.
So, MAKE SURE YOU BACKUP YOUR DATABASE before using this plugin, and if you are uncertain, avoid doing search and replaces on meta data fields (meta_value).
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