Destroy php variable

<?php

$first = 100;
$second = 200;

$third = $first + $second;
echo "Sum = ".$third;
// Destroy a variable with unset function
unset($third);

//after delete the variable call it again to test
echo "Sum = ".$third;
?>

Destroy php variable

1
  75

Similar codes

0 vote159 views1 answer
Fetch Data From Database With MySQLI
PHP
0 vote170 views1 answer
Laravel sanctum axios Unauthenticated
PHP Laravel
24 votes149 views4 answers
Where not null in laravel
PHP
0 vote177 views1 answer
Traduction website with i18n
PHP
0 vote209 views1 answer
Use smarty variable in php
PHP
2 votes148 views2 answers
Php echo sql result
PHP
-4 votes190 views2 answers
Why we use pusher in laravel
PHP
0 vote152 views1 answer
Composer require laravelcollection
PHP
0 vote153 views1 answer
Laravel carbon Could not parse '28/09/2021, 12:00:00 pm': DateTime::__construct(): Failed to parse time string (28/09/2021, 12:00:00 pm) at position 0 (2): Unexpected character
PHP
11 votes133 views1 answer
Wp error log config
PHP