How can I split a string into smaller strings based on a delimiter in PHP?

Splitting a String by Delimiter in PHP

In PHP, dividing a string into smaller strings based on a separator or delimiter is a common task. This division is useful for extracting specific segments of data or processing a string more efficiently. One widely used function for this purpose is explode().

To demonstrate how explode() works, consider the problem of splitting the string "a.b" by the delimiter ".". To achieve this, we can use the following code:

$parts = explode('.', $string);

The explode() function takes two arguments:

1. The delimiter (in this case, ".").
2. The string to be split.

The result of this code is an array containing the split strings:

["a", "b"]

Another way to use explode() is to directly fetch the parts of the split result into variables:

list($part1, $part2) = explode('.', $string);

In this example, the variable $part1 will hold "a" and the variable $part2 will hold "b". This approach can be particularly useful when you only need specific parts of the split string.

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