In PHP, the implode() function is a built-in function that takes an array and converts it to a string. implode() doesn’t modify the original array. It doesn’t matter whether the array is an indexed or associative array. Once you pass in the array to implode(), it joins all the values

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PHP implode() takes in two values as parameters – the separator and the array you want to convert to a string. The separator could be any character or an empty string. It is valid as long as you specify it in quotes. The array on the other hand could be an associative array or an index.

PHP Implode – Convert Array to String with Join

Examples of Implode with an Indexed Array

Examples of Implode with an Associative Array