To convert an array to a string in PHP, you can use one of the following functions: implode(separator, array), json_encode(array), and serialize(array). The implode() method allow you to concatenate array elements into a single string. To do this, pass an array and a delimiter to the implode() method; the separator will be inserted between the array values. The json_encode() method converts an array to a JSON string. It takes an array as input and returns a JSON representation of the array. The serialize() method takes an array and converts it to a string. The method is handy if you want to store something in the database and retrieve it for later use. In this Convert PHP Array to String example, we use the implode() method to convert an array to a string. Below you can see more examples of converting PHP array to strings, detailing each method. Click Execute to run the PHP Array to String Example online and see the result.