How can the json_decode() function be utilized to convert a JSON string into a multidimensional array in PHP?

To convert a JSON string into a multidimensional array in PHP, you can use the json_decode() function. This function takes a JSON string as input and returns a PHP array. By setting the second parameter of json_decode() to true, you can convert the JSON string into an associative array instead of an object. 

$jsonString = '{"key1": {"nested_key1": "value1", "nested_key2": "value2"}, "key2": "value3"}';
$multiArray = json_decode($jsonString, true);

print_r($multiArray);

Keywords

json_decode multidimensional array PHP JSON string conversion

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