JSON_DECODE(varname,item[,separator,options])
Description
The JSON_DECODE function retrieves the value of the given variable name and parses it as JSON, returning the value at a specified key. If the key cannot be found, an empty string is returned.
Arguments
varnamerequired - The name of the variable containing the JSON string to parse.itemrequired - The name of the key whose value to return.separator- A single character that delimits a key hierarchy for nested indexing. Default is a period (.)optionsc- For keys that reference a JSON array, return the number of items in the array. This option has no effect on any other type of value.
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