inputfield-checker

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  1. inputfield-checker

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Code (php)
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<?php
function inputCheck($values, $names)
    {

        $errs = array();

        foreach($values as $key => $value)
        {

            switch($value)
            {
                case
'value':
                
                    if(empty($_POST[$key]))
                    {

                        $errs[] = $names[$key];
                    }

                    
                    break;
                    
                case
'email':
                    if(empty($_POST[$key]))
                    {

                        $errs[] = $names[$key];
                    }

                    else
                    {    
                        if (ereg('^[-!#$%&\'*+\\./0-9=?A-Z^_`a-z{|}~]+'.'@'.'[-!#$%&\'*+\\/0-9=?A-Z^_`a-z{|}~]+\.'.'[-!#$%&\'*+\\./0-9=?A-Z^_`a-z{|}~]+$', $_POST[$key]))
                        {

                                if ($check_domain && function_exists('checkdnsrr'))
                                {

                                    list (, $domain)  = explode('@', $_POST[$key]);
                                    
                                        if (checkdnsrr($domain, 'MX') || checkdnsrr($domain, 'A'))
                                        {

                                            return true;
                                        }

                                        else
                                        {
                                            $errs[] = $names[$key];
                                        }
                                }
                        }

                        else
                        {
                            $errs[] = $names[$key];
                        }
                    }

                    
                    break;
                case
'numeric':
                    if(!ctype_digit($_POST[$key]))
                    {

                        $errs[] = $names[$key];
                    }

                    break;
                    
                case
'equal':
                    
                    $singleKey = explode(',', $key);
                    if(empty($_POST[$singleKey[0]]))
                    {

                        $errs[] = $names[$singleKey[0]];
                    }

                    elseif(empty($_POST[$singleKey[1]]))
                    {

                        $errs[] = $names[$singleKey[1]];
                    }

                    else
                    {
                        if($_POST[$singleKey[0]] != $_POST[$singleKey[1]])
                        {

                            $errs[] = $names[$singleKey[0]].'&nbsp;&&nbsp;'.$names[$singleKey[1]].'&nbsp; komen niet overeen';
                        }
                    }

                    
                    break;
                    
                default:

                    if(empty($_POST[$key]))
                    {

                        $errs[] = $names[$key];
                    }
            }
        }

        
        return $errs;
    }

?>


Daarnaast heb ik even een voorbeeld gemaakt hoe je de functie benaderd en hoe je de fouten laat zien.

Code (php)
PHP script in nieuw venster Selecteer het PHP script
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<?php
    
//In deze array geef je de naam op van de input veld (de key) en waarop hij moet controleren (de value). Momenteel controleerd hij op een valid email adres (email), numerieke waardes (numeric) en of het veld wel ingevuld is (value)
    if($_SERVER['REQUEST_METHOD'] == 'POST')
        {

            $requiredFields = array('txtLoginUsername' => 'value','txtLoginPassword,txtLoginPasswordRepeat' => 'equal','txtLoginEmailAdress' => 'email');
            $fieldNames = array('txtLoginUsername' => 'Login naam','txtLoginPassword' => 'login wachtwoord','txtLoginEmailAdress' => 'Login e-mail adres');
            
                $checkFields = $this->checkinput->inputCheck($requiredFields, $fieldNames);
        
                    if(count($checkFields) < 1)
                    {
                        
                        
                    }

                    else
                    {
                        $this->data['msg'] = '<div class="errormsg">
                                                U heeft volgende velden niet goed ingevuld.
                                                <ul>'
;
                                                    foreach ($checkFields as $field)
                                                    {

                                                        $this->data['msg'] .= '<li>'.$field.'</li>';
                                                    }

                        $this->data['msg'] .=     '</ul>
                                                </div>'
;
                    }
        }


?>

 
 

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