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Forms make the web "Forms: Best Practices" by Kevin Dees // TypeRocket // Robojuice

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Forms Best Practices Twitter @kevindees "Forms: Best Practices" by Kevin Dees // TypeRocket // Robojuice

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Design Details "Forms: Best Practices" by Kevin Dees // TypeRocket // Robojuice

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Forms must be fast. "Forms: Best Practices" by Kevin Dees // TypeRocket // Robojuice

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"Forms: Best Practices" by Kevin Dees // TypeRocket // Robojuice

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"Forms: Best Practices" by Kevin Dees // TypeRocket // Robojuice

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Forms must be clear "Forms: Best Practices" by Kevin Dees // TypeRocket // Robojuice

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"Forms: Best Practices" by Kevin Dees // TypeRocket // Robojuice

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"Forms: Best Practices" by Kevin Dees // TypeRocket // Robojuice

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☠ Placeholder Text "Forms: Best Practices" by Kevin Dees // TypeRocket // Robojuice

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"Forms: Best Practices" by Kevin Dees // TypeRocket // Robojuice

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"Forms: Best Practices" by Kevin Dees // TypeRocket // Robojuice

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"Forms: Best Practices" by Kevin Dees // TypeRocket // Robojuice

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Forms must be mobile. "Forms: Best Practices" by Kevin Dees // TypeRocket // Robojuice

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"Forms: Best Practices" by Kevin Dees // TypeRocket // Robojuice

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Think Differently ! "Forms: Best Practices" by Kevin Dees // TypeRocket // Robojuice

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Code Considerations "Forms: Best Practices" by Kevin Dees // TypeRocket // Robojuice

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1. Use UTF-8 2. CSRF 3. POST as array data 4. REST Hacking 5. Data Injection Order 6. Feedback "Forms: Best Practices" by Kevin Dees // TypeRocket // Robojuice

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UTF-8? Really ! "Forms: Best Practices" by Kevin Dees // TypeRocket // Robojuice

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CSRF "Forms: Best Practices" by Kevin Dees // TypeRocket // Robojuice

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"Forms: Best Practices" by Kevin Dees // TypeRocket // Robojuice

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"Forms: Best Practices" by Kevin Dees // TypeRocket // Robojuice

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POST as array data "Forms: Best Practices" by Kevin Dees // TypeRocket // Robojuice

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First Name Last Name Email

"Forms: Best Practices" by Kevin Dees // TypeRocket // Robojuice

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"Forms: Best Practices" by Kevin Dees // TypeRocket // Robojuice

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REST Hacking "Forms: Best Practices" by Kevin Dees // TypeRocket // Robojuice

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.... "Forms: Best Practices" by Kevin Dees // TypeRocket // Robojuice

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function rest_method($actual = false) { if($actual) { return $_SERVER['REQUEST_METHOD']; } return ! empty($_POST['_method']) ? strtoupper($_POST['_method']) : $_SERVER['REQUEST_METHOD']; } "Forms: Best Practices" by Kevin Dees // TypeRocket // Robojuice

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$user_controller = new \App\UserController; $rest_method = rest_method(); if( method_exists($user_controller, $rest_method) ) { $user_controller->{$rest_method}(); } "Forms: Best Practices" by Kevin Dees // TypeRocket // Robojuice

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Data Injection Order "Forms: Best Practices" by Kevin Dees // TypeRocket // Robojuice

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1. Old Data If Errors 2. Model Data If Present "Forms: Best Practices" by Kevin Dees // TypeRocket // Robojuice

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Email "Forms: Best Practices" by Kevin Dees // TypeRocket // Robojuice

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function load_value( $name, $model = false ) { if( !empty($_SESSION['old'][$name]) ) { return $_SESSION['old'][$name]; } if( $model instanceof Model) { return $model->{$name}; } return ''; } "Forms: Best Practices" by Kevin Dees // TypeRocket // Robojuice

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if( $errors = has_form_errors() ) { $_SESSION['old'] = $_POST['user']; } "Forms: Best Practices" by Kevin Dees // TypeRocket // Robojuice

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Feedback "Forms: Best Practices" by Kevin Dees // TypeRocket // Robojuice

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Words 1. Verbose 2. Vague "Forms: Best Practices" by Kevin Dees // TypeRocket // Robojuice

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Your email address and password are wrong. or Your login is not working out. "Forms: Best Practices" by Kevin Dees // TypeRocket // Robojuice

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Placement 1. Inline with field 2. Flash on top 3. Alert by overlay "Forms: Best Practices" by Kevin Dees // TypeRocket // Robojuice

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"Forms: Best Practices" by Kevin Dees // TypeRocket // Robojuice

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"Forms: Best Practices" by Kevin Dees // TypeRocket // Robojuice

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"Forms: Best Practices" by Kevin Dees // TypeRocket // Robojuice

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Emotional 1. Life 2. Language "Forms: Best Practices" by Kevin Dees // TypeRocket // Robojuice

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"Forms: Best Practices" by Kevin Dees // TypeRocket // Robojuice

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"Forms: Best Practices" by Kevin Dees // TypeRocket // Robojuice

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function has_form_errors() { $errors = []; if( is_not_email( $_POST['user']['email'] ) ) { $errors['user']['email'] = 'Opps! Check that email for us.' } if( empty($errors) ) { return false; } return $errors; } "Forms: Best Practices" by Kevin Dees // TypeRocket // Robojuice

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Email "Forms: Best Practices" by Kevin Dees // TypeRocket // Robojuice

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Add emotion little effort "Forms: Best Practices" by Kevin Dees // TypeRocket // Robojuice

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"Forms: Best Practices" by Kevin Dees // TypeRocket // Robojuice

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Email "Forms: Best Practices" by Kevin Dees // TypeRocket // Robojuice

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"Forms: Best Practices" by Kevin Dees // TypeRocket // Robojuice

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"Forms: Best Practices" by Kevin Dees // TypeRocket // Robojuice

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Code for humans ! "Forms: Best Practices" by Kevin Dees // TypeRocket // Robojuice

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... What about coders? ! "Forms: Best Practices" by Kevin Dees // TypeRocket // Robojuice

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model = $model; $this->method = $method; $this->action = $action; $this->group = $group; $this->errors = $errors; } } "Forms: Best Practices" by Kevin Dees // TypeRocket // Robojuice

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class Form { .... function open() { $csrf = $_SESSION['_csrf']; $str = "action}\" method=\"POST\" accept-charset=\"utf-8\">"; $str .= ""; $str .= "method\">"; return $str; } function close() { return '

'; } function text($name) { return new \App\Field($name, $this); } } "Forms: Best Practices" by Kevin Dees // TypeRocket // Robojuice

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echo $form->text('email')->label('Email Address'); "Forms: Best Practices" by Kevin Dees // TypeRocket // Robojuice

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name = $name; $this->form = $form; $this->value = load_value($name, $this->form->model); } } "Forms: Best Practices" by Kevin Dees // TypeRocket // Robojuice

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class Field { .... function label($label) { $this->label = $label; return $this; } function __toString() { $group = $this->form->group; $name = $this->name; $errors = $this->form->errors; ob_start(); // echo HTML return ob_get_clean(); } } "Forms: Best Practices" by Kevin Dees // TypeRocket // Robojuice

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// echo HTML ?> label; ?> " value="value); ?>" />

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$form = new \App\Form($model, 'POST', 'user.php', 'user', $errors); echo $form->open(); echo $form->text('email')->label('Email Address'); echo $form->close(); "Forms: Best Practices" by Kevin Dees // TypeRocket // Robojuice

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! Make YOUR forms amazing ! "Forms: Best Practices" by Kevin Dees // TypeRocket // Robojuice