filtering - Give filter_var() filter by passing a variable PHP (filter_var() expects parameter 2 to be long, string given) -


right i'm trying validate postdata filter_var(). want filter related each input database. if input should filtered email, variable contain filter_validate_email. passed so:

        foreach($this->postdata $key => $input){         if(!((empty($requirements[$key][1])) || $requirements == 'allowed')){             if(filter_var($input, $requirements[$key][1]) === false){                 $errors = true;             }         }     } 

the $postdata looks this:

    array (size=4)   'personer_navn' =>      array (size=1)       0 => int 0   'personer_alder' =>      array (size=1)       0 => int 1   'personer_kon' =>      array (size=2)       0 => int 2       1 => int 3   'personer_by' =>      array (size=1)       0 => int 4 

and $requirements looks this:

    array (size=4)   'personer_navn' =>      array (size=4)       0 => string 'string' (length=6)       1 => string 'filter_validate_email' (length=21)       2 => string '' (length=0)       3 => string '' (length=0)   'personer_alder' =>      array (size=4)       0 => string 'int' (length=3)       1 => string 'filter_validate_email' (length=21)       2 => string '' (length=0)       3 => string '' (length=0)   'personer_kon' =>      array (size=4)       0 => string 'allowed' (length=7)       1 => string 'allowed' (length=7)       2 => string 'allowed' (length=7)       3 => string 'allowed' (length=7)   'personer_by' =>      array (size=4)       0 => string 'string' (length=6)       1 => string 'filter_validate_email' (length=21)       2 => string '' (length=0)       3 => string '' (length=0) 

again problem seems ba passing $requirements[$key][1] filter_var() function.

any appreciated.

a simple change fix bug

foreach($this->postdata $key => $input){         if(!((empty($requirements[$key][1])) || $requirements == 'allowed')){             if(filter_var($input, constant( $requirements[$key][1]) ) === false){                 $errors = true;             }         }     } 

the constant function returns (integer) value of filter string.

read p.p-s answer too.


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