Menu
Community /Pin to ProfileBookmark
@NogDogMar 07.2021 — #Maybe check your php error log or turn on error reporting and find out what went wrong (like maybe it can't find that file or does not have read permission?). @NogDogMar 09.2021 — #
Because there's nothing stopping you from making a local variable that looks a lot like a super-global variable. There is nothing special syntax-wise about using
Why sha1_file() Shows NULL ?
Folks,
Why my following code echoes NULL as vardump() ?
[code]
$_SESSiON[‘search_id’] = $search_id = sha1_file(“Register_Template_1.php”);
var_dump($_SESSION[‘search_id’]);
exit();
Sign in
to post a comment5 Comments(s) ↴
0
@NogDogMar 07.2021 — #0
@NogDogMar 09.2021 — #>@developer_web#1629047 If I got the Global Var spelt wrong then why didn't PHP tell me undefined Global Var ?
Because there's nothing stopping you from making a local variable that looks a lot like a super-global variable. There is nothing special syntax-wise about using
$_unset()<i>
</i>function test() {
echo $_SERVER['LANG'];
}
test();
// outputs "en_US.UTF-8" for my computer
unset($_SEVER);
test();
// outputs an "Undefined variable: _SERVER" error
$_SERVER['LANG'] = 'whatever';
test()
// still outputs an "Undefined variable: _SERVER" error