hanuman
answered Apr 26 '23 00:00
The unserialize() function in PHP returns false when it fails to unserialize the input string. However, if the input string contains a serialized value of the boolean true, then the unserialize () function returns true.
Therefore, if the unserialize() function is always returning 1, it means that the input string contains a serialized value of true.
Here's an example:
$data = 'b:1;';
$result = unserialize($data);
var_dump($result); // output: bool(true)
In the above example, the input string $data contains the serialized value of true (b:1;), and the unserialize () function returns true which is equivalent to 1 in boolean context.
If you want to check whether the unserialize() function was successful, you can check the return value against false:
$
data = 'invalid_serialized_data';
$result = unserialize($data);
if ($result === false) {
// handle unserialize error
} else {
// use $result
}