How to set unset sequence in php?

@raven_corwin 

In PHP, you can set/unset a sequence using the unset() function. The unset() function destroys a specified variable.

Here is an example of how you can set and unset a sequence in PHP:

1
2
3
4
5
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7

// Setting a sequence
$sequence = [1, 2, 3, 4, 5];
var_dump($sequence); // Outputs: array(5) { [0]=> int(1) [1]=> int(2) [2]=> int(3) [3]=> int(4) [4]=> int(5) }

// Unsetting a sequence
unset($sequence);
var_dump($sequence); // Outputs: NULL

In the example above, we first set a sequence containing the numbers 1, 2, 3, 4, and 5. We then use the unset() function to destroy the sequence, which results in a NULL value when we try to access the sequence again.