How Can I Explode a Comma-Delimited String into an Array in PHP?

Exploding a Comma-Delimited String into an Array

When working with comma-separated strings, the need to split them into individual array elements often arises.

Problem: Convert a comma-delimited string into a flat, indexed array.

Solution:

PHP provides the explode() function specifically designed for this task. It takes two arguments: a delimiter (in this case, the comma ,) and the string to be exploded.

$inputString = "9,[email protected],8";
$myArray = explode(",", $inputString);

print_r($myArray);

Output:

Array
(
    [0] => 9
    [1] => [email protected]
    [2] => 8
)

Note:

• If the input string contains multiple consecutive commas, an empty array element will be created for each extra comma.
• To handle potential security issues when working with user-provided input, be sure to properly filter and sanitize the string before exploding it.

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