filter_has_var
PHP function
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(PHP 5 >= 5.2.0, PHP 7, PHP 8)
Checks if a variable of the specified type exists
Description
filter_has_var(int $input_type, string $var_name): bool
Parameters
input_typeOne of
INPUT_GET,INPUT_POST,INPUT_COOKIE,INPUT_SERVER, orINPUT_ENV.var_nameName of a variable to check.
Return Values
Success