eventespresso / event-espresso-core

core/libraries/form_sections/inputs/EE_Form_Input_Base.input.php

Indentation +1139 added lines, -1139 removed lines

@@ -1,5 +1,5 @@ 
 <?php if (! defined('EVENT_ESPRESSO_VERSION')) {
-    exit('No direct script access allowed');
+	exit('No direct script access allowed');
 }
 
 
@@ -16,1142 +16,1142 @@ 
 abstract class EE_Form_Input_Base extends EE_Form_Section_Validatable
 {
 
-    /**
-     * the input's name attribute
-     *
-     * @var string
-     */
-    protected $_html_name;
-
-    /**
-     * id for the html label tag
-     *
-     * @var string
-     */
-    protected $_html_label_id;
-
-    /**
-     * class for teh html label tag
-     *
-     * @var string
-     */
-    protected $_html_label_class;
-
-    /**
-     * any additional html attributes that you may want to add
-     *
-     * @var string
-     */
-    protected $_html_other_attributes;
-
-    /**
-     * style for teh html label tag
-     *
-     * @var string
-     */
-    protected $_html_label_style;
-
-    /**
-     * text to be placed in the html label
-     *
-     * @var string
-     */
-    protected $_html_label_text;
-
-    /**
-     * the full html label. If used, all other html_label_* properties are invalid
-     *
-     * @var string
-     */
-    protected $_html_label;
-
-    /**
-     * HTML to use for help text (normally placed below form input), in a span which normally
-     * has a class of 'description'
-     *
-     * @var string
-     */
-    protected $_html_help_text;
-
-    /**
-     * CSS classes for displaying the help span
-     *
-     * @var string
-     */
-    protected $_html_help_class = 'description';
-
-    /**
-     * CSS to put in the style attribute on the help span
-     *
-     * @var string
-     */
-    protected $_html_help_style;
-
-    /**
-     * Stores whether or not this input's response is required.
-     * Because certain styling elements may also want to know that this
-     * input is required etc.
-     *
-     * @var boolean
-     */
-    protected $_required;
-
-    /**
-     * css class added to required inputs
-     *
-     * @var string
-     */
-    protected $_required_css_class = 'ee-required';
-
-    /**
-     * css styles applied to button type inputs
-     *
-     * @var string
-     */
-    protected $_button_css_attributes;
-
-    /**
-     * The raw data submitted for this, like in the $_POST super global.
-     * Generally unsafe for usage in client code
-     *
-     * @var mixed string or array
-     */
-    protected $_raw_value;
-
-    /**
-     * Value normalized according to the input's normalization strategy.
-     * The normalization strategy dictates whether this is a string, int, float,
-     * boolean, or array of any of those.
-     *
-     * @var mixed
-     */
-    protected $_normalized_value;
-
-    /**
-     * Strategy used for displaying this field.
-     * Child classes must use _get_display_strategy to access it.
-     *
-     * @var EE_Display_Strategy_Base
-     */
-    private $_display_strategy;
-
-    /**
-     * Gets all the validation strategies used on this field
-     *
-     * @var EE_Validation_Strategy_Base[]
-     */
-    private $_validation_strategies = array();
-
-    /**
-     * The normalization strategy for this field
-     *
-     * @var EE_Normalization_Strategy_Base
-     */
-    private $_normalization_strategy;
-
-    /**
-     * Strategy for removing sensitive data after we're done with the form input
-     *
-     * @var EE_Sensitive_Data_Removal_Base
-     */
-    protected $_sensitive_data_removal_strategy;
-
-
-
-    /**
-     * @param array                         $input_args       {
-     * @type string                         $html_name        the html name for the input
-     * @type string                         $html_label_id    the id attribute to give to the html label tag
-     * @type string                         $html_label_class the class attribute to give to the html label tag
-     * @type string                         $html_label_style the style attribute to give ot teh label tag
-     * @type string                         $html_label_text  the text to put in the label tag
-     * @type string                         $html_label       the full html label. If used,
-     *                                                        all other html_label_* args are invalid
-     * @type string                         $html_help_text   text to put in help element
-     * @type string                         $html_help_style  style attribute to give to teh help element
-     * @type string                         $html_help_class  class attribute to give to the help element
-     * @type string                         $default          default value NORMALIZED (eg, if providing the default
-     *       for a Yes_No_Input, you should provide TRUE or FALSE, not '1' or '0')
-     * @type EE_Display_Strategy_Base       $display          strategy
-     * @type EE_Normalization_Strategy_Base $normalization_strategy
-     * @type EE_Validation_Strategy_Base[]  $validation_strategies
-     *                                                        }
-     */
-    public function __construct($input_args = array())
-    {
-        $input_args = (array)apply_filters('FHEE__EE_Form_Input_Base___construct__input_args', $input_args, $this);
-        // the following properties must be cast as arrays
-        if (isset($input_args['validation_strategies'])) {
-            foreach ((array)$input_args['validation_strategies'] as $validation_strategy) {
-                if ($validation_strategy instanceof EE_Validation_Strategy_Base) {
-                    $this->_validation_strategies[get_class($validation_strategy)] = $validation_strategy;
-                }
-            }
-            unset($input_args['validation_strategies']);
-        }
-        // loop thru incoming options
-        foreach ($input_args as $key => $value) {
-            // add underscore to $key to match property names
-            $_key = '_' . $key;
-            if (property_exists($this, $_key)) {
-                $this->{$_key} = $value;
-            }
-        }
-        // ensure that "required" is set correctly
-        $this->set_required(
-            $this->_required, isset($input_args['required_validation_error_message'])
-            ? $input_args['required_validation_error_message']
-            : null
-        );
-        //$this->_html_name_specified = isset( $input_args['html_name'] ) ? TRUE : FALSE;
-        $this->_display_strategy->_construct_finalize($this);
-        foreach ($this->_validation_strategies as $validation_strategy) {
-            $validation_strategy->_construct_finalize($this);
-        }
-        if (! $this->_normalization_strategy) {
-            $this->_normalization_strategy = new EE_Text_Normalization();
-        }
-        $this->_normalization_strategy->_construct_finalize($this);
-        //at least we can use the normalization strategy to populate the default
-        if (isset($input_args['default'])) {
-            $this->set_default($input_args['default']);
-        }
-        if (! $this->_sensitive_data_removal_strategy) {
-            $this->_sensitive_data_removal_strategy = new EE_No_Sensitive_Data_Removal();
-        }
-        $this->_sensitive_data_removal_strategy->_construct_finalize($this);
-        parent::__construct($input_args);
-    }
-
-
-
-    /**
-     * Sets the html_name to its default value, if none was specified in teh constructor.
-     * Calculation involves using the name and the parent's html_name
-     *
-     * @throws \EE_Error
-     */
-    protected function _set_default_html_name_if_empty()
-    {
-        if (! $this->_html_name) {
-            $this->_html_name = $this->name();
-            if ($this->_parent_section && $this->_parent_section instanceof EE_Form_Section_Proper) {
-                $this->_html_name = $this->_parent_section->html_name_prefix() . "[{$this->name()}]";
-            }
-        }
-    }
-
-
-
-    /**
-     * @param $parent_form_section
-     * @param $name
-     * @throws \EE_Error
-     */
-    public function _construct_finalize($parent_form_section, $name)
-    {
-        parent::_construct_finalize($parent_form_section, $name);
-        if ($this->_html_label === null && $this->_html_label_text === null) {
-            $this->_html_label_text = ucwords(str_replace("_", " ", $name));
-        }
-        do_action('AHEE__EE_Form_Input_Base___construct_finalize__end', $this, $parent_form_section, $name);
-    }
-
-
-
-    /**
-     * Returns the strategy for displaying this form input. If none is set, throws an exception.
-     *
-     * @return EE_Display_Strategy_Base
-     * @throws EE_Error
-     */
-    protected function _get_display_strategy()
-    {
-        $this->ensure_construct_finalized_called();
-        if (! $this->_display_strategy || ! $this->_display_strategy instanceof EE_Display_Strategy_Base) {
-            throw new EE_Error(
-                sprintf(
-                    __(
-                        "Cannot get display strategy for form input with name %s and id %s, because it has not been set in the constructor",
-                        "event_espresso"
-                    ),
-                    $this->html_name(),
-                    $this->html_id()
-                )
-            );
-        } else {
-            return $this->_display_strategy;
-        }
-    }
-
-
-
-    /**
-     * Sets the display strategy.
-     *
-     * @param EE_Display_Strategy_Base $strategy
-     */
-    protected function _set_display_strategy(EE_Display_Strategy_Base $strategy)
-    {
-        $this->_display_strategy = $strategy;
-    }
-
-
-
-    /**
-     * Sets the sanitization strategy
-     *
-     * @param EE_Normalization_Strategy_Base $strategy
-     */
-    protected function _set_normalization_strategy(EE_Normalization_Strategy_Base $strategy)
-    {
-        $this->_normalization_strategy = $strategy;
-    }
-
-
-
-    /**
-     * Gets sensitive_data_removal_strategy
-     *
-     * @return EE_Sensitive_Data_Removal_Base
-     */
-    public function get_sensitive_data_removal_strategy()
-    {
-        return $this->_sensitive_data_removal_strategy;
-    }
-
-
-
-    /**
-     * Sets sensitive_data_removal_strategy
-     *
-     * @param EE_Sensitive_Data_Removal_Base $sensitive_data_removal_strategy
-     * @return boolean
-     */
-    public function set_sensitive_data_removal_strategy($sensitive_data_removal_strategy)
-    {
-        $this->_sensitive_data_removal_strategy = $sensitive_data_removal_strategy;
-    }
-
-
-
-    /**
-     * Gets the display strategy for this input
-     *
-     * @return EE_Display_Strategy_Base
-     */
-    public function get_display_strategy()
-    {
-        return $this->_display_strategy;
-    }
-
-
-
-    /**
-     * Overwrites the display strategy
-     *
-     * @param EE_Display_Strategy_Base $display_strategy
-     */
-    public function set_display_strategy($display_strategy)
-    {
-        $this->_display_strategy = $display_strategy;
-        $this->_display_strategy->_construct_finalize($this);
-    }
-
-
-
-    /**
-     * Gets the normalization strategy set on this input
-     *
-     * @return EE_Normalization_Strategy_Base
-     */
-    public function get_normalization_strategy()
-    {
-        return $this->_normalization_strategy;
-    }
-
-
-
-    /**
-     * Overwrites the normalization strategy
-     *
-     * @param EE_Normalization_Strategy_Base $normalization_strategy
-     */
-    public function set_normalization_strategy($normalization_strategy)
-    {
-        $this->_normalization_strategy = $normalization_strategy;
-        $this->_normalization_strategy->_construct_finalize($this);
-    }
-
-
-
-    /**
-     * Returns all teh validation strategies which apply to this field, numerically indexed
-     *
-     * @return EE_Validation_Strategy_Base[]
-     */
-    public function get_validation_strategies()
-    {
-        return $this->_validation_strategies;
-    }
-
-
-
-    /**
-     * Adds this strategy to the field so it will be used in both JS validation and server-side validation
-     *
-     * @param EE_Validation_Strategy_Base $validation_strategy
-     * @return void
-     */
-    protected function _add_validation_strategy(EE_Validation_Strategy_Base $validation_strategy)
-    {
-        $validation_strategy->_construct_finalize($this);
-        $this->_validation_strategies[] = $validation_strategy;
-    }
-
-
-
-    /**
-     * Adds a new validation strategy onto the form input
-     *
-     * @param EE_Validation_Strategy_Base $validation_strategy
-     * @return void
-     */
-    public function add_validation_strategy(EE_Validation_Strategy_Base $validation_strategy)
-    {
-        $this->_add_validation_strategy($validation_strategy);
-    }
-
-
-
-    /**
-     * The classname of the validation strategy to remove
-     *
-     * @param string $validation_strategy_classname
-     */
-    public function remove_validation_strategy($validation_strategy_classname)
-    {
-        foreach ($this->_validation_strategies as $key => $validation_strategy) {
-            if (
-                $validation_strategy instanceof $validation_strategy_classname
-                || is_subclass_of($validation_strategy, $validation_strategy_classname)
-            ) {
-                unset($this->_validation_strategies[$key]);
-            }
-        }
-    }
-
-
-
-    /**
-     * returns true if input employs any of the validation strategy defined by the supplied array of classnames
-     *
-     * @param array $validation_strategy_classnames
-     * @return bool
-     */
-    public function has_validation_strategy($validation_strategy_classnames)
-    {
-        $validation_strategy_classnames = is_array($validation_strategy_classnames)
-            ? $validation_strategy_classnames
-            : array($validation_strategy_classnames);
-        foreach ($this->_validation_strategies as $key => $validation_strategy) {
-            if (in_array($key, $validation_strategy_classnames)) {
-                return true;
-            }
-        }
-        return false;
-    }
-
-
-
-    /**
-     * Gets the HTML
-     *
-     * @return string
-     */
-    public function get_html()
-    {
-        return $this->_parent_section->get_html_for_input($this);
-    }
-
-
-
-    /**
-     * Gets the HTML for the input itself (no label or errors) according to the
-     * input's display strategy
-     * Makes sure the JS and CSS are enqueued for it
-     *
-     * @return string
-     * @throws \EE_Error
-     */
-    public function get_html_for_input()
-    {
-        return $this->_form_html_filter
-            ? $this->_form_html_filter->filterHtml(
-                $this->_get_display_strategy()->display(),
-                $this
-            )
-            : $this->_get_display_strategy()->display();
-    }
-
-
-
-    /**
-     * @return string
-     */
-    public function html_other_attributes()
-    {
-        return ! empty($this->_html_other_attributes) ? ' ' . $this->_html_other_attributes : '';
-    }
-
-
-
-    /**
-     * @param string $html_other_attributes
-     */
-    public function set_html_other_attributes($html_other_attributes)
-    {
-        $this->_html_other_attributes = $html_other_attributes;
-    }
-
-
-
-    /**
-     * Gets the HTML for displaying the label for this form input
-     * according to the form section's layout strategy
-     *
-     * @return string
-     */
-    public function get_html_for_label()
-    {
-        return $this->_parent_section->get_layout_strategy()->display_label($this);
-    }
-
-
-
-    /**
-     * Gets the HTML for displaying the errors section for this form input
-     * according to the form section's layout strategy
-     *
-     * @return string
-     */
-    public function get_html_for_errors()
-    {
-        return $this->_parent_section->get_layout_strategy()->display_errors($this);
-    }
-
-
-
-    /**
-     * Gets the HTML for displaying the help text for this form input
-     * according to the form section's layout strategy
-     *
-     * @return string
-     */
-    public function get_html_for_help()
-    {
-        return $this->_parent_section->get_layout_strategy()->display_help_text($this);
-    }
-
-
-
-    /**
-     * Validates the input's sanitized value (assumes _sanitize() has already been called)
-     * and returns whether or not the form input's submitted value is value
-     *
-     * @return boolean
-     */
-    protected function _validate()
-    {
-        foreach ($this->_validation_strategies as $validation_strategy) {
-            if ($validation_strategy instanceof EE_Validation_Strategy_Base) {
-                try {
-                    $validation_strategy->validate($this->normalized_value());
-                } catch (EE_Validation_Error $e) {
-                    $this->add_validation_error($e);
-                }
-            }
-        }
-        if ($this->get_validation_errors()) {
-            return false;
-        } else {
-            return true;
-        }
-    }
-
-
-
-    /**
-     * Performs basic sanitization on this value. But what sanitization can be performed anyways?
-     * This value MIGHT be allowed to have tags, so we can't really remove them.
-     *
-     * @param string $value
-     * @return null|string
-     */
-    private function _sanitize($value)
-    {
-        return $value !== null ? trim($value) : null;
-    }
-
-
-
-    /**
-     * Picks out the form value that relates to this form input,
-     * and stores it as the sanitized value on the form input, and sets the normalized value.
-     * Returns whether or not any validation errors occurred
-     *
-     * @param array $req_data like $_POST
-     * @return boolean whether or not there was an error
-     * @throws \EE_Error
-     */
-    protected function _normalize($req_data)
-    {
-        //any existing validation errors don't apply so clear them
-        $this->_validation_errors = array();
-        try {
-            $raw_input = $this->find_form_data_for_this_section($req_data);
-            //super simple sanitization for now
-            if (is_array($raw_input)) {
-                $raw_value = array();
-                foreach ($raw_input as $key => $value) {
-                    $raw_value[$key] = $this->_sanitize($value);
-                }
-                $this->_set_raw_value($raw_value);
-            } else {
-                $this->_set_raw_value($this->_sanitize($raw_input));
-            }
-            //we want to mostly leave the input alone in case we need to re-display it to the user
-            $this->_set_normalized_value($this->_normalization_strategy->normalize($this->raw_value()));
-        } catch (EE_Validation_Error $e) {
-            $this->add_validation_error($e);
-        }
-    }
-
-
-
-    /**
-     * @return string
-     */
-    public function html_name()
-    {
-        $this->_set_default_html_name_if_empty();
-        return $this->_html_name;
-    }
-
-
-
-    /**
-     * @return string
-     */
-    public function html_label_id()
-    {
-        return ! empty($this->_html_label_id) ? $this->_html_label_id : $this->html_id() . '-lbl';
-    }
-
-
-
-    /**
-     * @return string
-     */
-    public function html_label_class()
-    {
-        return $this->_html_label_class;
-    }
-
-
-
-    /**
-     * @return string
-     */
-    public function html_label_style()
-    {
-        return $this->_html_label_style;
-    }
-
-
-
-    /**
-     * @return string
-     */
-    public function html_label_text()
-    {
-        return $this->_html_label_text;
-    }
-
-
-
-    /**
-     * @return string
-     */
-    public function html_help_text()
-    {
-        return $this->_html_help_text;
-    }
-
-
-
-    /**
-     * @return string
-     */
-    public function html_help_class()
-    {
-        return $this->_html_help_class;
-    }
-
-
-
-    /**
-     * @return string
-     */
-    public function html_help_style()
-    {
-        return $this->_html_style;
-    }
-
-
-
-    /**
-     * returns the raw, UNSAFE, input, almost exactly as the user submitted it.
-     * Please note that almost all client code should instead use the normalized_value;
-     * or possibly raw_value_in_form (which prepares the string for displaying in an HTML attribute on a tag,
-     * mostly by escaping quotes)
-     * Note, we do not store the exact original value sent in the user's request because
-     * it may have malicious content, and we MIGHT want to store the form input in a transient or something...
-     * in which case, we would have stored the malicious content to our database.
-     *
-     * @return string
-     */
-    public function raw_value()
-    {
-        return $this->_raw_value;
-    }
-
-
-
-    /**
-     * Returns a string safe to usage in form inputs when displaying, because
-     * it escapes all html entities
-     *
-     * @return string
-     */
-    public function raw_value_in_form()
-    {
-        return htmlentities($this->raw_value(), ENT_QUOTES, 'UTF-8');
-    }
-
-
-
-    /**
-     * returns the value after it's been sanitized, and then converted into it's proper type
-     * in PHP. Eg, a string, an int, an array,
-     *
-     * @return mixed
-     */
-    public function normalized_value()
-    {
-        return $this->_normalized_value;
-    }
-
-
-
-    /**
-     * Returns the normalized value is a presentable way. By default this is just
-     * the normalized value by itself, but it can be overridden for when that's not
-     * the best thing to display
-     *
-     * @return string
-     */
-    public function pretty_value()
-    {
-        return $this->_normalized_value;
-    }
-
-
-
-    /**
-     * When generating the JS for the jquery validation rules like<br>
-     * <code>$( "#myform" ).validate({
-     * rules: {
-     * password: "required",
-     * password_again: {
-     * equalTo: "#password"
-     * }
-     * }
-     * });</code>
-     * if this field had the name 'password_again', it should return
-     * <br><code>password_again: {
-     * equalTo: "#password"
-     * }</code>
-     *
-     * @return array
-     */
-    public function get_jquery_validation_rules()
-    {
-        $jquery_validation_js = array();
-        $jquery_validation_rules = array();
-        foreach ($this->get_validation_strategies() as $validation_strategy) {
-            $jquery_validation_rules = array_replace_recursive(
-                $jquery_validation_rules,
-                $validation_strategy->get_jquery_validation_rule_array()
-            );
-        }
-        if (! empty($jquery_validation_rules)) {
-            foreach ($this->get_display_strategy()->get_html_input_ids(true) as $html_id_with_pound_sign) {
-                $jquery_validation_js[$html_id_with_pound_sign] = $jquery_validation_rules;
-            }
-        }
-        return $jquery_validation_js;
-    }
-
-
-
-    /**
-     * Sets the input's default value for use in displaying in the form. Note: value should be
-     * normalized (Eg, if providing a default of ra Yes_NO_Input you would provide TRUE or FALSE, not '1' or '0')
-     *
-     * @param mixed $value
-     * @return void
-     */
-    public function set_default($value)
-    {
-        $this->_set_normalized_value($value);
-        $this->_set_raw_value($value);
-    }
-
-
-
-    /**
-     * Sets the normalized value on this input
-     *
-     * @param mixed $value
-     */
-    protected function _set_normalized_value($value)
-    {
-        $this->_normalized_value = $value;
-    }
-
-
-
-    /**
-     * Sets the raw value on this input (ie, exactly as the user submitted it)
-     *
-     * @param mixed $value
-     */
-    protected function _set_raw_value($value)
-    {
-        $this->_raw_value = $this->_normalization_strategy->unnormalize($value);
-    }
-
-
-
-    /**
-     * Sets the HTML label text after it has already been defined
-     *
-     * @param string $label
-     * @return void
-     */
-    public function set_html_label_text($label)
-    {
-        $this->_html_label_text = $label;
-    }
-
-
-
-    /**
-     * Sets whether or not this field is required, and adjusts the validation strategy.
-     * If you want to use the EE_Conditionally_Required_Validation_Strategy,
-     * please add it as a validation strategy using add_validation_strategy as normal
-     *
-     * @param boolean $required boolean
-     * @param null    $required_text
-     */
-    public function set_required($required = true, $required_text = null)
-    {
-        $required = filter_var($required, FILTER_VALIDATE_BOOLEAN);
-        //whether $required is a string or a boolean, we want to add a required validation strategy
-        if ($required) {
-            $this->_add_validation_strategy(new EE_Required_Validation_Strategy($required_text));
-        } else {
-            $this->remove_validation_strategy('EE_Required_Validation_Strategy');
-        }
-        $this->_required = $required;
-    }
-
-
-
-    /**
-     * Returns whether or not this field is required
-     *
-     * @return boolean
-     */
-    public function required()
-    {
-        return $this->_required;
-    }
-
-
-
-    /**
-     * @param string $required_css_class
-     */
-    public function set_required_css_class($required_css_class)
-    {
-        $this->_required_css_class = $required_css_class;
-    }
-
-
-
-    /**
-     * @return string
-     */
-    public function required_css_class()
-    {
-        return $this->_required_css_class;
-    }
-
-
-
-    /**
-     * @param bool $add_required
-     * @return string
-     */
-    public function html_class($add_required = false)
-    {
-        return $add_required && $this->required()
-            ? $this->required_css_class() . ' ' . $this->_html_class
-            : $this->_html_class;
-    }
-
-
-    /**
-     * Sets the help text, in case
-     *
-     * @param string $text
-     */
-    public function set_html_help_text($text)
-    {
-        $this->_html_help_text = $text;
-    }
-
-
-
-    /**
-     * Uses the sensitive data removal strategy to remove the sensitive data from this
-     * input. If there is any kind of sensitive data removal on this input, we clear
-     * out the raw value completely
-     *
-     * @return void
-     */
-    public function clean_sensitive_data()
-    {
-        //if we do ANY kind of sensitive data removal on this, then just clear out the raw value
-        //if we need more logic than this we'll make a strategy for it
-        if ($this->_sensitive_data_removal_strategy
-            && ! $this->_sensitive_data_removal_strategy instanceof EE_No_Sensitive_Data_Removal
-        ) {
-            $this->_set_raw_value(null);
-        }
-        //and clean the normalized value according to the appropriate strategy
-        $this->_set_normalized_value(
-            $this->get_sensitive_data_removal_strategy()->remove_sensitive_data(
-                $this->_normalized_value
-            )
-        );
-    }
-
-
-
-    /**
-     * @param bool   $primary
-     * @param string $button_size
-     * @param string $other_attributes
-     */
-    public function set_button_css_attributes($primary = true, $button_size = '', $other_attributes = '')
-    {
-        $button_css_attributes = 'button';
-        $button_css_attributes .= $primary === true ? ' button-primary' : ' button-secondary';
-        switch ($button_size) {
-            case 'xs' :
-            case 'extra-small' :
-                $button_css_attributes .= ' button-xs';
-                break;
-            case 'sm' :
-            case 'small' :
-                $button_css_attributes .= ' button-sm';
-                break;
-            case 'lg' :
-            case 'large' :
-                $button_css_attributes .= ' button-lg';
-                break;
-            case 'block' :
-                $button_css_attributes .= ' button-block';
-                break;
-            case 'md' :
-            case 'medium' :
-            default :
-                $button_css_attributes .= '';
-        }
-        $this->_button_css_attributes .= ! empty($other_attributes)
-            ? $button_css_attributes . ' ' . $other_attributes
-            : $button_css_attributes;
-    }
-
-
-
-    /**
-     * @return string
-     */
-    public function button_css_attributes()
-    {
-        if (empty($this->_button_css_attributes)) {
-            $this->set_button_css_attributes();
-        }
-        return $this->_button_css_attributes;
-    }
-
-
-
-    /**
-     * find_form_data_for_this_section
-     * using this section's name and its parents, finds the value of the form data that corresponds to it.
-     * For example, if this form section's HTML name is my_form[subform][form_input_1],
-     * then it's value should be in $_REQUEST at $_REQUEST['my_form']['subform']['form_input_1'].
-     * (If that doesn't exist, we also check for this subsection's name
-     * at the TOP LEVEL of the request data. Eg $_REQUEST['form_input_1'].)
-     * This function finds its value in the form.
-     *
-     * @param array $req_data
-     * @return mixed whatever the raw value of this form section is in the request data
-     * @throws \EE_Error
-     */
-    public function find_form_data_for_this_section($req_data)
-    {
-        // break up the html name by "[]"
-        if (strpos($this->html_name(), '[') !== false) {
-            $before_any_brackets = substr($this->html_name(), 0, strpos($this->html_name(), '['));
-        } else {
-            $before_any_brackets = $this->html_name();
-        }
-        // grab all of the segments
-        preg_match_all('~\[([^]]*)\]~', $this->html_name(), $matches);
-        if (isset($matches[1]) && is_array($matches[1])) {
-            $name_parts = $matches[1];
-            array_unshift($name_parts, $before_any_brackets);
-        } else {
-            $name_parts = array($before_any_brackets);
-        }
-        // now get the value for the input
-        $value = $this->_find_form_data_for_this_section_using_name_parts($name_parts, $req_data);
-        // check if this thing's name is at the TOP level of the request data
-        if ($value === null && isset($req_data[$this->name()])) {
-            $value = $req_data[$this->name()];
-        }
-        return $value;
-    }
-
-
-
-    /**
-     * @param array $html_name_parts
-     * @param array $req_data
-     * @return array | NULL
-     */
-    public function _find_form_data_for_this_section_using_name_parts($html_name_parts, $req_data)
-    {
-        $first_part_to_consider = array_shift($html_name_parts);
-        if (isset($req_data[$first_part_to_consider])) {
-            if (empty($html_name_parts)) {
-                return $req_data[$first_part_to_consider];
-            } else {
-                return $this->_find_form_data_for_this_section_using_name_parts(
-                    $html_name_parts,
-                    $req_data[$first_part_to_consider]
-                );
-            }
-        } else {
-            return null;
-        }
-    }
-
-
-
-    /**
-     * Checks if this form input's data is in the request data
-     *
-     * @param array $req_data like $_POST
-     * @return boolean
-     * @throws \EE_Error
-     */
-    public function form_data_present_in($req_data = null)
-    {
-        if ($req_data === null) {
-            $req_data = $_POST;
-        }
-        $checked_value = $this->find_form_data_for_this_section($req_data);
-        if ($checked_value !== null) {
-            return true;
-        } else {
-            return false;
-        }
-    }
-
-
-
-    /**
-     * Overrides parent to add js data from validation and display strategies
-     *
-     * @param array $form_other_js_data
-     * @return array
-     */
-    public function get_other_js_data($form_other_js_data = array())
-    {
-        $form_other_js_data = $this->get_other_js_data_from_strategies($form_other_js_data);
-        return $form_other_js_data;
-    }
-
-
-
-    /**
-     * Gets other JS data for localization from this input's strategies, like
-     * the validation strategies and the display strategy
-     *
-     * @param array $form_other_js_data
-     * @return array
-     */
-    public function get_other_js_data_from_strategies($form_other_js_data = array())
-    {
-        $form_other_js_data = $this->get_display_strategy()->get_other_js_data($form_other_js_data);
-        foreach ($this->get_validation_strategies() as $validation_strategy) {
-            $form_other_js_data = $validation_strategy->get_other_js_data($form_other_js_data);
-        }
-        return $form_other_js_data;
-    }
-
-
-
-    /**
-     * Override parent because we want to give our strategies an opportunity to enqueue some js and css
-     *
-     * @return void
-     */
-    public function enqueue_js()
-    {
-        //ask our display strategy and validation strategies if they have js to enqueue
-        $this->enqueue_js_from_strategies();
-    }
-
-
-
-    /**
-     * Tells strategies when its ok to enqueue their js and css
-     *
-     * @return void
-     */
-    public function enqueue_js_from_strategies()
-    {
-        $this->get_display_strategy()->enqueue_js();
-        foreach ($this->get_validation_strategies() as $validation_strategy) {
-            $validation_strategy->enqueue_js();
-        }
-    }
+	/**
+	 * the input's name attribute
+	 *
+	 * @var string
+	 */
+	protected $_html_name;
+
+	/**
+	 * id for the html label tag
+	 *
+	 * @var string
+	 */
+	protected $_html_label_id;
+
+	/**
+	 * class for teh html label tag
+	 *
+	 * @var string
+	 */
+	protected $_html_label_class;
+
+	/**
+	 * any additional html attributes that you may want to add
+	 *
+	 * @var string
+	 */
+	protected $_html_other_attributes;
+
+	/**
+	 * style for teh html label tag
+	 *
+	 * @var string
+	 */
+	protected $_html_label_style;
+
+	/**
+	 * text to be placed in the html label
+	 *
+	 * @var string
+	 */
+	protected $_html_label_text;
+
+	/**
+	 * the full html label. If used, all other html_label_* properties are invalid
+	 *
+	 * @var string
+	 */
+	protected $_html_label;
+
+	/**
+	 * HTML to use for help text (normally placed below form input), in a span which normally
+	 * has a class of 'description'
+	 *
+	 * @var string
+	 */
+	protected $_html_help_text;
+
+	/**
+	 * CSS classes for displaying the help span
+	 *
+	 * @var string
+	 */
+	protected $_html_help_class = 'description';
+
+	/**
+	 * CSS to put in the style attribute on the help span
+	 *
+	 * @var string
+	 */
+	protected $_html_help_style;
+
+	/**
+	 * Stores whether or not this input's response is required.
+	 * Because certain styling elements may also want to know that this
+	 * input is required etc.
+	 *
+	 * @var boolean
+	 */
+	protected $_required;
+
+	/**
+	 * css class added to required inputs
+	 *
+	 * @var string
+	 */
+	protected $_required_css_class = 'ee-required';
+
+	/**
+	 * css styles applied to button type inputs
+	 *
+	 * @var string
+	 */
+	protected $_button_css_attributes;
+
+	/**
+	 * The raw data submitted for this, like in the $_POST super global.
+	 * Generally unsafe for usage in client code
+	 *
+	 * @var mixed string or array
+	 */
+	protected $_raw_value;
+
+	/**
+	 * Value normalized according to the input's normalization strategy.
+	 * The normalization strategy dictates whether this is a string, int, float,
+	 * boolean, or array of any of those.
+	 *
+	 * @var mixed
+	 */
+	protected $_normalized_value;
+
+	/**
+	 * Strategy used for displaying this field.
+	 * Child classes must use _get_display_strategy to access it.
+	 *
+	 * @var EE_Display_Strategy_Base
+	 */
+	private $_display_strategy;
+
+	/**
+	 * Gets all the validation strategies used on this field
+	 *
+	 * @var EE_Validation_Strategy_Base[]
+	 */
+	private $_validation_strategies = array();
+
+	/**
+	 * The normalization strategy for this field
+	 *
+	 * @var EE_Normalization_Strategy_Base
+	 */
+	private $_normalization_strategy;
+
+	/**
+	 * Strategy for removing sensitive data after we're done with the form input
+	 *
+	 * @var EE_Sensitive_Data_Removal_Base
+	 */
+	protected $_sensitive_data_removal_strategy;
+
+
+
+	/**
+	 * @param array                         $input_args       {
+	 * @type string                         $html_name        the html name for the input
+	 * @type string                         $html_label_id    the id attribute to give to the html label tag
+	 * @type string                         $html_label_class the class attribute to give to the html label tag
+	 * @type string                         $html_label_style the style attribute to give ot teh label tag
+	 * @type string                         $html_label_text  the text to put in the label tag
+	 * @type string                         $html_label       the full html label. If used,
+	 *                                                        all other html_label_* args are invalid
+	 * @type string                         $html_help_text   text to put in help element
+	 * @type string                         $html_help_style  style attribute to give to teh help element
+	 * @type string                         $html_help_class  class attribute to give to the help element
+	 * @type string                         $default          default value NORMALIZED (eg, if providing the default
+	 *       for a Yes_No_Input, you should provide TRUE or FALSE, not '1' or '0')
+	 * @type EE_Display_Strategy_Base       $display          strategy
+	 * @type EE_Normalization_Strategy_Base $normalization_strategy
+	 * @type EE_Validation_Strategy_Base[]  $validation_strategies
+	 *                                                        }
+	 */
+	public function __construct($input_args = array())
+	{
+		$input_args = (array)apply_filters('FHEE__EE_Form_Input_Base___construct__input_args', $input_args, $this);
+		// the following properties must be cast as arrays
+		if (isset($input_args['validation_strategies'])) {
+			foreach ((array)$input_args['validation_strategies'] as $validation_strategy) {
+				if ($validation_strategy instanceof EE_Validation_Strategy_Base) {
+					$this->_validation_strategies[get_class($validation_strategy)] = $validation_strategy;
+				}
+			}
+			unset($input_args['validation_strategies']);
+		}
+		// loop thru incoming options
+		foreach ($input_args as $key => $value) {
+			// add underscore to $key to match property names
+			$_key = '_' . $key;
+			if (property_exists($this, $_key)) {
+				$this->{$_key} = $value;
+			}
+		}
+		// ensure that "required" is set correctly
+		$this->set_required(
+			$this->_required, isset($input_args['required_validation_error_message'])
+			? $input_args['required_validation_error_message']
+			: null
+		);
+		//$this->_html_name_specified = isset( $input_args['html_name'] ) ? TRUE : FALSE;
+		$this->_display_strategy->_construct_finalize($this);
+		foreach ($this->_validation_strategies as $validation_strategy) {
+			$validation_strategy->_construct_finalize($this);
+		}
+		if (! $this->_normalization_strategy) {
+			$this->_normalization_strategy = new EE_Text_Normalization();
+		}
+		$this->_normalization_strategy->_construct_finalize($this);
+		//at least we can use the normalization strategy to populate the default
+		if (isset($input_args['default'])) {
+			$this->set_default($input_args['default']);
+		}
+		if (! $this->_sensitive_data_removal_strategy) {
+			$this->_sensitive_data_removal_strategy = new EE_No_Sensitive_Data_Removal();
+		}
+		$this->_sensitive_data_removal_strategy->_construct_finalize($this);
+		parent::__construct($input_args);
+	}
+
+
+
+	/**
+	 * Sets the html_name to its default value, if none was specified in teh constructor.
+	 * Calculation involves using the name and the parent's html_name
+	 *
+	 * @throws \EE_Error
+	 */
+	protected function _set_default_html_name_if_empty()
+	{
+		if (! $this->_html_name) {
+			$this->_html_name = $this->name();
+			if ($this->_parent_section && $this->_parent_section instanceof EE_Form_Section_Proper) {
+				$this->_html_name = $this->_parent_section->html_name_prefix() . "[{$this->name()}]";
+			}
+		}
+	}
+
+
+
+	/**
+	 * @param $parent_form_section
+	 * @param $name
+	 * @throws \EE_Error
+	 */
+	public function _construct_finalize($parent_form_section, $name)
+	{
+		parent::_construct_finalize($parent_form_section, $name);
+		if ($this->_html_label === null && $this->_html_label_text === null) {
+			$this->_html_label_text = ucwords(str_replace("_", " ", $name));
+		}
+		do_action('AHEE__EE_Form_Input_Base___construct_finalize__end', $this, $parent_form_section, $name);
+	}
+
+
+
+	/**
+	 * Returns the strategy for displaying this form input. If none is set, throws an exception.
+	 *
+	 * @return EE_Display_Strategy_Base
+	 * @throws EE_Error
+	 */
+	protected function _get_display_strategy()
+	{
+		$this->ensure_construct_finalized_called();
+		if (! $this->_display_strategy || ! $this->_display_strategy instanceof EE_Display_Strategy_Base) {
+			throw new EE_Error(
+				sprintf(
+					__(
+						"Cannot get display strategy for form input with name %s and id %s, because it has not been set in the constructor",
+						"event_espresso"
+					),
+					$this->html_name(),
+					$this->html_id()
+				)
+			);
+		} else {
+			return $this->_display_strategy;
+		}
+	}
+
+
+
+	/**
+	 * Sets the display strategy.
+	 *
+	 * @param EE_Display_Strategy_Base $strategy
+	 */
+	protected function _set_display_strategy(EE_Display_Strategy_Base $strategy)
+	{
+		$this->_display_strategy = $strategy;
+	}
+
+
+
+	/**
+	 * Sets the sanitization strategy
+	 *
+	 * @param EE_Normalization_Strategy_Base $strategy
+	 */
+	protected function _set_normalization_strategy(EE_Normalization_Strategy_Base $strategy)
+	{
+		$this->_normalization_strategy = $strategy;
+	}
+
+
+
+	/**
+	 * Gets sensitive_data_removal_strategy
+	 *
+	 * @return EE_Sensitive_Data_Removal_Base
+	 */
+	public function get_sensitive_data_removal_strategy()
+	{
+		return $this->_sensitive_data_removal_strategy;
+	}
+
+
+
+	/**
+	 * Sets sensitive_data_removal_strategy
+	 *
+	 * @param EE_Sensitive_Data_Removal_Base $sensitive_data_removal_strategy
+	 * @return boolean
+	 */
+	public function set_sensitive_data_removal_strategy($sensitive_data_removal_strategy)
+	{
+		$this->_sensitive_data_removal_strategy = $sensitive_data_removal_strategy;
+	}
+
+
+
+	/**
+	 * Gets the display strategy for this input
+	 *
+	 * @return EE_Display_Strategy_Base
+	 */
+	public function get_display_strategy()
+	{
+		return $this->_display_strategy;
+	}
+
+
+
+	/**
+	 * Overwrites the display strategy
+	 *
+	 * @param EE_Display_Strategy_Base $display_strategy
+	 */
+	public function set_display_strategy($display_strategy)
+	{
+		$this->_display_strategy = $display_strategy;
+		$this->_display_strategy->_construct_finalize($this);
+	}
+
+
+
+	/**
+	 * Gets the normalization strategy set on this input
+	 *
+	 * @return EE_Normalization_Strategy_Base
+	 */
+	public function get_normalization_strategy()
+	{
+		return $this->_normalization_strategy;
+	}
+
+
+
+	/**
+	 * Overwrites the normalization strategy
+	 *
+	 * @param EE_Normalization_Strategy_Base $normalization_strategy
+	 */
+	public function set_normalization_strategy($normalization_strategy)
+	{
+		$this->_normalization_strategy = $normalization_strategy;
+		$this->_normalization_strategy->_construct_finalize($this);
+	}
+
+
+
+	/**
+	 * Returns all teh validation strategies which apply to this field, numerically indexed
+	 *
+	 * @return EE_Validation_Strategy_Base[]
+	 */
+	public function get_validation_strategies()
+	{
+		return $this->_validation_strategies;
+	}
+
+
+
+	/**
+	 * Adds this strategy to the field so it will be used in both JS validation and server-side validation
+	 *
+	 * @param EE_Validation_Strategy_Base $validation_strategy
+	 * @return void
+	 */
+	protected function _add_validation_strategy(EE_Validation_Strategy_Base $validation_strategy)
+	{
+		$validation_strategy->_construct_finalize($this);
+		$this->_validation_strategies[] = $validation_strategy;
+	}
+
+
+
+	/**
+	 * Adds a new validation strategy onto the form input
+	 *
+	 * @param EE_Validation_Strategy_Base $validation_strategy
+	 * @return void
+	 */
+	public function add_validation_strategy(EE_Validation_Strategy_Base $validation_strategy)
+	{
+		$this->_add_validation_strategy($validation_strategy);
+	}
+
+
+
+	/**
+	 * The classname of the validation strategy to remove
+	 *
+	 * @param string $validation_strategy_classname
+	 */
+	public function remove_validation_strategy($validation_strategy_classname)
+	{
+		foreach ($this->_validation_strategies as $key => $validation_strategy) {
+			if (
+				$validation_strategy instanceof $validation_strategy_classname
+				|| is_subclass_of($validation_strategy, $validation_strategy_classname)
+			) {
+				unset($this->_validation_strategies[$key]);
+			}
+		}
+	}
+
+
+
+	/**
+	 * returns true if input employs any of the validation strategy defined by the supplied array of classnames
+	 *
+	 * @param array $validation_strategy_classnames
+	 * @return bool
+	 */
+	public function has_validation_strategy($validation_strategy_classnames)
+	{
+		$validation_strategy_classnames = is_array($validation_strategy_classnames)
+			? $validation_strategy_classnames
+			: array($validation_strategy_classnames);
+		foreach ($this->_validation_strategies as $key => $validation_strategy) {
+			if (in_array($key, $validation_strategy_classnames)) {
+				return true;
+			}
+		}
+		return false;
+	}
+
+
+
+	/**
+	 * Gets the HTML
+	 *
+	 * @return string
+	 */
+	public function get_html()
+	{
+		return $this->_parent_section->get_html_for_input($this);
+	}
+
+
+
+	/**
+	 * Gets the HTML for the input itself (no label or errors) according to the
+	 * input's display strategy
+	 * Makes sure the JS and CSS are enqueued for it
+	 *
+	 * @return string
+	 * @throws \EE_Error
+	 */
+	public function get_html_for_input()
+	{
+		return $this->_form_html_filter
+			? $this->_form_html_filter->filterHtml(
+				$this->_get_display_strategy()->display(),
+				$this
+			)
+			: $this->_get_display_strategy()->display();
+	}
+
+
+
+	/**
+	 * @return string
+	 */
+	public function html_other_attributes()
+	{
+		return ! empty($this->_html_other_attributes) ? ' ' . $this->_html_other_attributes : '';
+	}
+
+
+
+	/**
+	 * @param string $html_other_attributes
+	 */
+	public function set_html_other_attributes($html_other_attributes)
+	{
+		$this->_html_other_attributes = $html_other_attributes;
+	}
+
+
+
+	/**
+	 * Gets the HTML for displaying the label for this form input
+	 * according to the form section's layout strategy
+	 *
+	 * @return string
+	 */
+	public function get_html_for_label()
+	{
+		return $this->_parent_section->get_layout_strategy()->display_label($this);
+	}
+
+
+
+	/**
+	 * Gets the HTML for displaying the errors section for this form input
+	 * according to the form section's layout strategy
+	 *
+	 * @return string
+	 */
+	public function get_html_for_errors()
+	{
+		return $this->_parent_section->get_layout_strategy()->display_errors($this);
+	}
+
+
+
+	/**
+	 * Gets the HTML for displaying the help text for this form input
+	 * according to the form section's layout strategy
+	 *
+	 * @return string
+	 */
+	public function get_html_for_help()
+	{
+		return $this->_parent_section->get_layout_strategy()->display_help_text($this);
+	}
+
+
+
+	/**
+	 * Validates the input's sanitized value (assumes _sanitize() has already been called)
+	 * and returns whether or not the form input's submitted value is value
+	 *
+	 * @return boolean
+	 */
+	protected function _validate()
+	{
+		foreach ($this->_validation_strategies as $validation_strategy) {
+			if ($validation_strategy instanceof EE_Validation_Strategy_Base) {
+				try {
+					$validation_strategy->validate($this->normalized_value());
+				} catch (EE_Validation_Error $e) {
+					$this->add_validation_error($e);
+				}
+			}
+		}
+		if ($this->get_validation_errors()) {
+			return false;
+		} else {
+			return true;
+		}
+	}
+
+
+
+	/**
+	 * Performs basic sanitization on this value. But what sanitization can be performed anyways?
+	 * This value MIGHT be allowed to have tags, so we can't really remove them.
+	 *
+	 * @param string $value
+	 * @return null|string
+	 */
+	private function _sanitize($value)
+	{
+		return $value !== null ? trim($value) : null;
+	}
+
+
+
+	/**
+	 * Picks out the form value that relates to this form input,
+	 * and stores it as the sanitized value on the form input, and sets the normalized value.
+	 * Returns whether or not any validation errors occurred
+	 *
+	 * @param array $req_data like $_POST
+	 * @return boolean whether or not there was an error
+	 * @throws \EE_Error
+	 */
+	protected function _normalize($req_data)
+	{
+		//any existing validation errors don't apply so clear them
+		$this->_validation_errors = array();
+		try {
+			$raw_input = $this->find_form_data_for_this_section($req_data);
+			//super simple sanitization for now
+			if (is_array($raw_input)) {
+				$raw_value = array();
+				foreach ($raw_input as $key => $value) {
+					$raw_value[$key] = $this->_sanitize($value);
+				}
+				$this->_set_raw_value($raw_value);
+			} else {
+				$this->_set_raw_value($this->_sanitize($raw_input));
+			}
+			//we want to mostly leave the input alone in case we need to re-display it to the user
+			$this->_set_normalized_value($this->_normalization_strategy->normalize($this->raw_value()));
+		} catch (EE_Validation_Error $e) {
+			$this->add_validation_error($e);
+		}
+	}
+
+
+
+	/**
+	 * @return string
+	 */
+	public function html_name()
+	{
+		$this->_set_default_html_name_if_empty();
+		return $this->_html_name;
+	}
+
+
+
+	/**
+	 * @return string
+	 */
+	public function html_label_id()
+	{
+		return ! empty($this->_html_label_id) ? $this->_html_label_id : $this->html_id() . '-lbl';
+	}
+
+
+
+	/**
+	 * @return string
+	 */
+	public function html_label_class()
+	{
+		return $this->_html_label_class;
+	}
+
+
+
+	/**
+	 * @return string
+	 */
+	public function html_label_style()
+	{
+		return $this->_html_label_style;
+	}
+
+
+
+	/**
+	 * @return string
+	 */
+	public function html_label_text()
+	{
+		return $this->_html_label_text;
+	}
+
+
+
+	/**
+	 * @return string
+	 */
+	public function html_help_text()
+	{
+		return $this->_html_help_text;
+	}
+
+
+
+	/**
+	 * @return string
+	 */
+	public function html_help_class()
+	{
+		return $this->_html_help_class;
+	}
+
+
+
+	/**
+	 * @return string
+	 */
+	public function html_help_style()
+	{
+		return $this->_html_style;
+	}
+
+
+
+	/**
+	 * returns the raw, UNSAFE, input, almost exactly as the user submitted it.
+	 * Please note that almost all client code should instead use the normalized_value;
+	 * or possibly raw_value_in_form (which prepares the string for displaying in an HTML attribute on a tag,
+	 * mostly by escaping quotes)
+	 * Note, we do not store the exact original value sent in the user's request because
+	 * it may have malicious content, and we MIGHT want to store the form input in a transient or something...
+	 * in which case, we would have stored the malicious content to our database.
+	 *
+	 * @return string
+	 */
+	public function raw_value()
+	{
+		return $this->_raw_value;
+	}
+
+
+
+	/**
+	 * Returns a string safe to usage in form inputs when displaying, because
+	 * it escapes all html entities
+	 *
+	 * @return string
+	 */
+	public function raw_value_in_form()
+	{
+		return htmlentities($this->raw_value(), ENT_QUOTES, 'UTF-8');
+	}
+
+
+
+	/**
+	 * returns the value after it's been sanitized, and then converted into it's proper type
+	 * in PHP. Eg, a string, an int, an array,
+	 *
+	 * @return mixed
+	 */
+	public function normalized_value()
+	{
+		return $this->_normalized_value;
+	}
+
+
+
+	/**
+	 * Returns the normalized value is a presentable way. By default this is just
+	 * the normalized value by itself, but it can be overridden for when that's not
+	 * the best thing to display
+	 *
+	 * @return string
+	 */
+	public function pretty_value()
+	{
+		return $this->_normalized_value;
+	}
+
+
+
+	/**
+	 * When generating the JS for the jquery validation rules like<br>
+	 * <code>$( "#myform" ).validate({
+	 * rules: {
+	 * password: "required",
+	 * password_again: {
+	 * equalTo: "#password"
+	 * }
+	 * }
+	 * });</code>
+	 * if this field had the name 'password_again', it should return
+	 * <br><code>password_again: {
+	 * equalTo: "#password"
+	 * }</code>
+	 *
+	 * @return array
+	 */
+	public function get_jquery_validation_rules()
+	{
+		$jquery_validation_js = array();
+		$jquery_validation_rules = array();
+		foreach ($this->get_validation_strategies() as $validation_strategy) {
+			$jquery_validation_rules = array_replace_recursive(
+				$jquery_validation_rules,
+				$validation_strategy->get_jquery_validation_rule_array()
+			);
+		}
+		if (! empty($jquery_validation_rules)) {
+			foreach ($this->get_display_strategy()->get_html_input_ids(true) as $html_id_with_pound_sign) {
+				$jquery_validation_js[$html_id_with_pound_sign] = $jquery_validation_rules;
+			}
+		}
+		return $jquery_validation_js;
+	}
+
+
+
+	/**
+	 * Sets the input's default value for use in displaying in the form. Note: value should be
+	 * normalized (Eg, if providing a default of ra Yes_NO_Input you would provide TRUE or FALSE, not '1' or '0')
+	 *
+	 * @param mixed $value
+	 * @return void
+	 */
+	public function set_default($value)
+	{
+		$this->_set_normalized_value($value);
+		$this->_set_raw_value($value);
+	}
+
+
+
+	/**
+	 * Sets the normalized value on this input
+	 *
+	 * @param mixed $value
+	 */
+	protected function _set_normalized_value($value)
+	{
+		$this->_normalized_value = $value;
+	}
+
+
+
+	/**
+	 * Sets the raw value on this input (ie, exactly as the user submitted it)
+	 *
+	 * @param mixed $value
+	 */
+	protected function _set_raw_value($value)
+	{
+		$this->_raw_value = $this->_normalization_strategy->unnormalize($value);
+	}
+
+
+
+	/**
+	 * Sets the HTML label text after it has already been defined
+	 *
+	 * @param string $label
+	 * @return void
+	 */
+	public function set_html_label_text($label)
+	{
+		$this->_html_label_text = $label;
+	}
+
+
+
+	/**
+	 * Sets whether or not this field is required, and adjusts the validation strategy.
+	 * If you want to use the EE_Conditionally_Required_Validation_Strategy,
+	 * please add it as a validation strategy using add_validation_strategy as normal
+	 *
+	 * @param boolean $required boolean
+	 * @param null    $required_text
+	 */
+	public function set_required($required = true, $required_text = null)
+	{
+		$required = filter_var($required, FILTER_VALIDATE_BOOLEAN);
+		//whether $required is a string or a boolean, we want to add a required validation strategy
+		if ($required) {
+			$this->_add_validation_strategy(new EE_Required_Validation_Strategy($required_text));
+		} else {
+			$this->remove_validation_strategy('EE_Required_Validation_Strategy');
+		}
+		$this->_required = $required;
+	}
+
+
+
+	/**
+	 * Returns whether or not this field is required
+	 *
+	 * @return boolean
+	 */
+	public function required()
+	{
+		return $this->_required;
+	}
+
+
+
+	/**
+	 * @param string $required_css_class
+	 */
+	public function set_required_css_class($required_css_class)
+	{
+		$this->_required_css_class = $required_css_class;
+	}
+
+
+
+	/**
+	 * @return string
+	 */
+	public function required_css_class()
+	{
+		return $this->_required_css_class;
+	}
+
+
+
+	/**
+	 * @param bool $add_required
+	 * @return string
+	 */
+	public function html_class($add_required = false)
+	{
+		return $add_required && $this->required()
+			? $this->required_css_class() . ' ' . $this->_html_class
+			: $this->_html_class;
+	}
+
+
+	/**
+	 * Sets the help text, in case
+	 *
+	 * @param string $text
+	 */
+	public function set_html_help_text($text)
+	{
+		$this->_html_help_text = $text;
+	}
+
+
+
+	/**
+	 * Uses the sensitive data removal strategy to remove the sensitive data from this
+	 * input. If there is any kind of sensitive data removal on this input, we clear
+	 * out the raw value completely
+	 *
+	 * @return void
+	 */
+	public function clean_sensitive_data()
+	{
+		//if we do ANY kind of sensitive data removal on this, then just clear out the raw value
+		//if we need more logic than this we'll make a strategy for it
+		if ($this->_sensitive_data_removal_strategy
+			&& ! $this->_sensitive_data_removal_strategy instanceof EE_No_Sensitive_Data_Removal
+		) {
+			$this->_set_raw_value(null);
+		}
+		//and clean the normalized value according to the appropriate strategy
+		$this->_set_normalized_value(
+			$this->get_sensitive_data_removal_strategy()->remove_sensitive_data(
+				$this->_normalized_value
+			)
+		);
+	}
+
+
+
+	/**
+	 * @param bool   $primary
+	 * @param string $button_size
+	 * @param string $other_attributes
+	 */
+	public function set_button_css_attributes($primary = true, $button_size = '', $other_attributes = '')
+	{
+		$button_css_attributes = 'button';
+		$button_css_attributes .= $primary === true ? ' button-primary' : ' button-secondary';
+		switch ($button_size) {
+			case 'xs' :
+			case 'extra-small' :
+				$button_css_attributes .= ' button-xs';
+				break;
+			case 'sm' :
+			case 'small' :
+				$button_css_attributes .= ' button-sm';
+				break;
+			case 'lg' :
+			case 'large' :
+				$button_css_attributes .= ' button-lg';
+				break;
+			case 'block' :
+				$button_css_attributes .= ' button-block';
+				break;
+			case 'md' :
+			case 'medium' :
+			default :
+				$button_css_attributes .= '';
+		}
+		$this->_button_css_attributes .= ! empty($other_attributes)
+			? $button_css_attributes . ' ' . $other_attributes
+			: $button_css_attributes;
+	}
+
+
+
+	/**
+	 * @return string
+	 */
+	public function button_css_attributes()
+	{
+		if (empty($this->_button_css_attributes)) {
+			$this->set_button_css_attributes();
+		}
+		return $this->_button_css_attributes;
+	}
+
+
+
+	/**
+	 * find_form_data_for_this_section
+	 * using this section's name and its parents, finds the value of the form data that corresponds to it.
+	 * For example, if this form section's HTML name is my_form[subform][form_input_1],
+	 * then it's value should be in $_REQUEST at $_REQUEST['my_form']['subform']['form_input_1'].
+	 * (If that doesn't exist, we also check for this subsection's name
+	 * at the TOP LEVEL of the request data. Eg $_REQUEST['form_input_1'].)
+	 * This function finds its value in the form.
+	 *
+	 * @param array $req_data
+	 * @return mixed whatever the raw value of this form section is in the request data
+	 * @throws \EE_Error
+	 */
+	public function find_form_data_for_this_section($req_data)
+	{
+		// break up the html name by "[]"
+		if (strpos($this->html_name(), '[') !== false) {
+			$before_any_brackets = substr($this->html_name(), 0, strpos($this->html_name(), '['));
+		} else {
+			$before_any_brackets = $this->html_name();
+		}
+		// grab all of the segments
+		preg_match_all('~\[([^]]*)\]~', $this->html_name(), $matches);
+		if (isset($matches[1]) && is_array($matches[1])) {
+			$name_parts = $matches[1];
+			array_unshift($name_parts, $before_any_brackets);
+		} else {
+			$name_parts = array($before_any_brackets);
+		}
+		// now get the value for the input
+		$value = $this->_find_form_data_for_this_section_using_name_parts($name_parts, $req_data);
+		// check if this thing's name is at the TOP level of the request data
+		if ($value === null && isset($req_data[$this->name()])) {
+			$value = $req_data[$this->name()];
+		}
+		return $value;
+	}
+
+
+
+	/**
+	 * @param array $html_name_parts
+	 * @param array $req_data
+	 * @return array | NULL
+	 */
+	public function _find_form_data_for_this_section_using_name_parts($html_name_parts, $req_data)
+	{
+		$first_part_to_consider = array_shift($html_name_parts);
+		if (isset($req_data[$first_part_to_consider])) {
+			if (empty($html_name_parts)) {
+				return $req_data[$first_part_to_consider];
+			} else {
+				return $this->_find_form_data_for_this_section_using_name_parts(
+					$html_name_parts,
+					$req_data[$first_part_to_consider]
+				);
+			}
+		} else {
+			return null;
+		}
+	}
+
+
+
+	/**
+	 * Checks if this form input's data is in the request data
+	 *
+	 * @param array $req_data like $_POST
+	 * @return boolean
+	 * @throws \EE_Error
+	 */
+	public function form_data_present_in($req_data = null)
+	{
+		if ($req_data === null) {
+			$req_data = $_POST;
+		}
+		$checked_value = $this->find_form_data_for_this_section($req_data);
+		if ($checked_value !== null) {
+			return true;
+		} else {
+			return false;
+		}
+	}
+
+
+
+	/**
+	 * Overrides parent to add js data from validation and display strategies
+	 *
+	 * @param array $form_other_js_data
+	 * @return array
+	 */
+	public function get_other_js_data($form_other_js_data = array())
+	{
+		$form_other_js_data = $this->get_other_js_data_from_strategies($form_other_js_data);
+		return $form_other_js_data;
+	}
+
+
+
+	/**
+	 * Gets other JS data for localization from this input's strategies, like
+	 * the validation strategies and the display strategy
+	 *
+	 * @param array $form_other_js_data
+	 * @return array
+	 */
+	public function get_other_js_data_from_strategies($form_other_js_data = array())
+	{
+		$form_other_js_data = $this->get_display_strategy()->get_other_js_data($form_other_js_data);
+		foreach ($this->get_validation_strategies() as $validation_strategy) {
+			$form_other_js_data = $validation_strategy->get_other_js_data($form_other_js_data);
+		}
+		return $form_other_js_data;
+	}
+
+
+
+	/**
+	 * Override parent because we want to give our strategies an opportunity to enqueue some js and css
+	 *
+	 * @return void
+	 */
+	public function enqueue_js()
+	{
+		//ask our display strategy and validation strategies if they have js to enqueue
+		$this->enqueue_js_from_strategies();
+	}
+
+
+
+	/**
+	 * Tells strategies when its ok to enqueue their js and css
+	 *
+	 * @return void
+	 */
+	public function enqueue_js_from_strategies()
+	{
+		$this->get_display_strategy()->enqueue_js();
+		foreach ($this->get_validation_strategies() as $validation_strategy) {
+			$validation_strategy->enqueue_js();
+		}
+	}
 }

core/request_stack/EE_Request.core.php

Indentation +324 added lines, -324 removed lines

@@ -16,330 +16,330 @@
 class EE_Request implements InterminableInterface
 {
 
-    /**
-     * $_GET parameters
-     *
-     * @var array $_get
-     */
-    private $_get;
-
-    /**
-     * $_POST parameters
-     *
-     * @var    array $_post
-     */
-    private $_post;
-
-    /**
-     * $_COOKIE parameters
-     *
-     * @var array $_cookie
-     */
-    private $_cookie;
-
-    /**
-     * $_REQUEST parameters
-     *
-     * @var array $_params
-     */
-    private $_params;
-
-    /**
-     * whether current request is for the admin but NOT via AJAX
-     *
-     * @var boolean $admin
-     */
-    public $admin = false;
-
-    /**
-     * whether current request is via AJAX
-     *
-     * @var boolean $ajax
-     */
-    public $ajax = false;
-
-    /**
-     * whether current request is via AJAX from the frontend of the site
-     *
-     * @var boolean $front_ajax
-     */
-    public $front_ajax = false;
-
-    /**
-     * IP address for request
-     *
-     * @var string $_ip_address
-     */
-    private $_ip_address;
-
-
-
-    /**
-     * class constructor
-     *
-     * @access    public
-     * @param array $get
-     * @param array $post
-     * @param array $cookie
-     */
-    public function __construct(array $get, array $post, array $cookie)
-    {
-        // grab request vars
-        $this->_get    = $get;
-        $this->_post   = $post;
-        $this->_cookie = $cookie;
-        $this->_params = array_merge($this->_get, $this->_post);
-        // AJAX ???
-        $this->ajax       = defined('DOING_AJAX') && DOING_AJAX;
-        $this->front_ajax = $this->ajax
-                            && $this->is_set('ee_front_ajax')
-                            && filter_var($this->get('ee_front_ajax'), FILTER_VALIDATE_BOOLEAN);
-        $this->admin      = is_admin() && ! $this->ajax;
-        // grab user IP
-        $this->_ip_address = $this->_visitor_ip();
-    }
-
-
-
-    /**
-     * @return array
-     */
-    public function get_params()
-    {
-        return $this->_get;
-    }
-
-
-
-    /**
-     * Important gotcha: these values usually do NOT have slashes added onto them because slashes are only added onto
-     * $_POST by WordPress after plugins_loaded, and this object is created before then
-     * @return array
-     */
-    public function post_params()
-    {
-        return $this->_post;
-    }
-
-
-
-    /**
-     * @return array
-     */
-    public function cookie_params()
-    {
-        return $this->_cookie;
-    }
-
-
-
-    /**
-     * returns contents of $_REQUEST
-     *
-     * @return array
-     */
-    public function params()
-    {
-        return $this->_params;
-    }
-
-
-
-    /**
-     * @param      $key
-     * @param      $value
-     * @param bool $override_ee
-     * @return    void
-     */
-    public function set($key, $value, $override_ee = false)
-    {
-        // don't allow "ee" to be overwritten unless explicitly instructed to do so
-        if (
-            $key !== 'ee'
-            || ($key === 'ee' && empty($this->_params['ee']))
-            || ($key === 'ee' && ! empty($this->_params['ee']) && $override_ee)
-        ) {
-            $this->_params[$key] = $value;
-        }
-    }
-
-
-
-    /**
-     * returns   the value for a request param if the given key exists
-     *
-     * @param       $key
-     * @param null  $default
-     * @return mixed
-     */
-    public function get($key, $default = null)
-    {
-        return $this->request_parameter_drill_down($key, $default, 'get');
-    }
-
-
-
-    /**
-     * check if param exists
-     *
-     * @param       $key
-     * @return bool
-     */
-    public function is_set($key)
-    {
-        return $this->request_parameter_drill_down($key);
-    }
-
-
-
-    /**
-     * the supplied key can be a simple string to represent a "top-level" request parameter
-     * or represent a key for a request parameter that is nested deeper within the request parameter array,
-     * by using square brackets to surround keys for deeper array elements.
-     * For example :
-     * if the supplied $key was: "first[second][third]"
-     * then this will attempt to drill down into the request parameter array to find a value.
-     * Given the following request parameters:
-     *  array(
-     *      'first' => array(
-     *          'second' => array(
-     *              'third' => 'has a value'
-     *          )
-     *      )
-     *  )
-     * would return true
-     *
-     * @param string $is_set_or_get
-     * @param        $key
-     * @param null   $default
-     * @param array  $request_params
-     * @return bool|mixed|null
-     */
-    private function request_parameter_drill_down(
-        $key,
-        $default = null,
-        $is_set_or_get = 'is_set',
-        array $request_params = array()
-    ) {
-        $request_params = ! empty($request_params)
-            ? $request_params
-            : $this->_params;
-        // does incoming key represent an array like 'first[second][third]'  ?
-        if (strpos($key, '[') !== false) {
-            // turn it into an actual array
-            $key  = str_replace(']', '', $key);
-            $keys = explode('[', $key);
-            $key  = array_shift($keys);
-            // check if top level key exists
-            if (isset($request_params[$key])) {
-                // build a new key to pass along like: 'second[third]'
-                // or just 'second' depending on depth of keys
-                $key_string = array_shift($keys);
-                if (! empty($keys)) {
-                    $key_string .= '[' . implode('][', $keys) . ']';
-                }
-                return $this->request_parameter_drill_down(
-                    $key_string,
-                    $default,
-                    $is_set_or_get,
-                    $request_params[$key]
-                );
-            }
-        }
-        if ($is_set_or_get === 'is_set') {
-            return isset($request_params[$key]);
-        }
-        return isset($request_params[$key])
-            ? $request_params[$key]
-            : $default;
-    }
-
-
-
-    /**
-     * remove param
-     *
-     * @param      $key
-     * @param bool $unset_from_global_too
-     */
-    public function un_set($key, $unset_from_global_too = false)
-    {
-        unset($this->_params[$key]);
-        if ($unset_from_global_too) {
-            unset($_REQUEST[$key]);
-        }
-    }
-
-
-
-    /**
-     * @return string
-     */
-    public function ip_address()
-    {
-        return $this->_ip_address;
-    }
-
-
-    /**
-     * @return bool
-     */
-    public function isAdmin()
-    {
-        return $this->admin;
-    }
-
-
-    /**
-     * @return mixed
-     */
-    public function isAjax()
-    {
-        return $this->ajax;
-    }
-
-
-    /**
-     * @return mixed
-     */
-    public function isFrontAjax()
-    {
-        return $this->front_ajax;
-    }
-
-
-
-    /**
-     * _visitor_ip
-     *    attempt to get IP address of current visitor from server
-     * plz see: http://stackoverflow.com/a/2031935/1475279
-     *
-     * @access public
-     * @return string
-     */
-    private function _visitor_ip()
-    {
-        $visitor_ip  = '0.0.0.0';
-        $server_keys = array(
-            'HTTP_CLIENT_IP',
-            'HTTP_X_FORWARDED_FOR',
-            'HTTP_X_FORWARDED',
-            'HTTP_X_CLUSTER_CLIENT_IP',
-            'HTTP_FORWARDED_FOR',
-            'HTTP_FORWARDED',
-            'REMOTE_ADDR',
-        );
-        foreach ($server_keys as $key) {
-            if (isset($_SERVER[$key])) {
-                foreach (array_map('trim', explode(',', $_SERVER[$key])) as $ip) {
-                    if ($ip === '127.0.0.1' || filter_var($ip, FILTER_VALIDATE_IP) !== false) {
-                        $visitor_ip = $ip;
-                    }
-                }
-            }
-        }
-        return $visitor_ip;
-    }
+	/**
+	 * $_GET parameters
+	 *
+	 * @var array $_get
+	 */
+	private $_get;
+
+	/**
+	 * $_POST parameters
+	 *
+	 * @var    array $_post
+	 */
+	private $_post;
+
+	/**
+	 * $_COOKIE parameters
+	 *
+	 * @var array $_cookie
+	 */
+	private $_cookie;
+
+	/**
+	 * $_REQUEST parameters
+	 *
+	 * @var array $_params
+	 */
+	private $_params;
+
+	/**
+	 * whether current request is for the admin but NOT via AJAX
+	 *
+	 * @var boolean $admin
+	 */
+	public $admin = false;
+
+	/**
+	 * whether current request is via AJAX
+	 *
+	 * @var boolean $ajax
+	 */
+	public $ajax = false;
+
+	/**
+	 * whether current request is via AJAX from the frontend of the site
+	 *
+	 * @var boolean $front_ajax
+	 */
+	public $front_ajax = false;
+
+	/**
+	 * IP address for request
+	 *
+	 * @var string $_ip_address
+	 */
+	private $_ip_address;
+
+
+
+	/**
+	 * class constructor
+	 *
+	 * @access    public
+	 * @param array $get
+	 * @param array $post
+	 * @param array $cookie
+	 */
+	public function __construct(array $get, array $post, array $cookie)
+	{
+		// grab request vars
+		$this->_get    = $get;
+		$this->_post   = $post;
+		$this->_cookie = $cookie;
+		$this->_params = array_merge($this->_get, $this->_post);
+		// AJAX ???
+		$this->ajax       = defined('DOING_AJAX') && DOING_AJAX;
+		$this->front_ajax = $this->ajax
+							&& $this->is_set('ee_front_ajax')
+							&& filter_var($this->get('ee_front_ajax'), FILTER_VALIDATE_BOOLEAN);
+		$this->admin      = is_admin() && ! $this->ajax;
+		// grab user IP
+		$this->_ip_address = $this->_visitor_ip();
+	}
+
+
+
+	/**
+	 * @return array
+	 */
+	public function get_params()
+	{
+		return $this->_get;
+	}
+
+
+
+	/**
+	 * Important gotcha: these values usually do NOT have slashes added onto them because slashes are only added onto
+	 * $_POST by WordPress after plugins_loaded, and this object is created before then
+	 * @return array
+	 */
+	public function post_params()
+	{
+		return $this->_post;
+	}
+
+
+
+	/**
+	 * @return array
+	 */
+	public function cookie_params()
+	{
+		return $this->_cookie;
+	}
+
+
+
+	/**
+	 * returns contents of $_REQUEST
+	 *
+	 * @return array
+	 */
+	public function params()
+	{
+		return $this->_params;
+	}
+
+
+
+	/**
+	 * @param      $key
+	 * @param      $value
+	 * @param bool $override_ee
+	 * @return    void
+	 */
+	public function set($key, $value, $override_ee = false)
+	{
+		// don't allow "ee" to be overwritten unless explicitly instructed to do so
+		if (
+			$key !== 'ee'
+			|| ($key === 'ee' && empty($this->_params['ee']))
+			|| ($key === 'ee' && ! empty($this->_params['ee']) && $override_ee)
+		) {
+			$this->_params[$key] = $value;
+		}
+	}
+
+
+
+	/**
+	 * returns   the value for a request param if the given key exists
+	 *
+	 * @param       $key
+	 * @param null  $default
+	 * @return mixed
+	 */
+	public function get($key, $default = null)
+	{
+		return $this->request_parameter_drill_down($key, $default, 'get');
+	}
+
+
+
+	/**
+	 * check if param exists
+	 *
+	 * @param       $key
+	 * @return bool
+	 */
+	public function is_set($key)
+	{
+		return $this->request_parameter_drill_down($key);
+	}
+
+
+
+	/**
+	 * the supplied key can be a simple string to represent a "top-level" request parameter
+	 * or represent a key for a request parameter that is nested deeper within the request parameter array,
+	 * by using square brackets to surround keys for deeper array elements.
+	 * For example :
+	 * if the supplied $key was: "first[second][third]"
+	 * then this will attempt to drill down into the request parameter array to find a value.
+	 * Given the following request parameters:
+	 *  array(
+	 *      'first' => array(
+	 *          'second' => array(
+	 *              'third' => 'has a value'
+	 *          )
+	 *      )
+	 *  )
+	 * would return true
+	 *
+	 * @param string $is_set_or_get
+	 * @param        $key
+	 * @param null   $default
+	 * @param array  $request_params
+	 * @return bool|mixed|null
+	 */
+	private function request_parameter_drill_down(
+		$key,
+		$default = null,
+		$is_set_or_get = 'is_set',
+		array $request_params = array()
+	) {
+		$request_params = ! empty($request_params)
+			? $request_params
+			: $this->_params;
+		// does incoming key represent an array like 'first[second][third]'  ?
+		if (strpos($key, '[') !== false) {
+			// turn it into an actual array
+			$key  = str_replace(']', '', $key);
+			$keys = explode('[', $key);
+			$key  = array_shift($keys);
+			// check if top level key exists
+			if (isset($request_params[$key])) {
+				// build a new key to pass along like: 'second[third]'
+				// or just 'second' depending on depth of keys
+				$key_string = array_shift($keys);
+				if (! empty($keys)) {
+					$key_string .= '[' . implode('][', $keys) . ']';
+				}
+				return $this->request_parameter_drill_down(
+					$key_string,
+					$default,
+					$is_set_or_get,
+					$request_params[$key]
+				);
+			}
+		}
+		if ($is_set_or_get === 'is_set') {
+			return isset($request_params[$key]);
+		}
+		return isset($request_params[$key])
+			? $request_params[$key]
+			: $default;
+	}
+
+
+
+	/**
+	 * remove param
+	 *
+	 * @param      $key
+	 * @param bool $unset_from_global_too
+	 */
+	public function un_set($key, $unset_from_global_too = false)
+	{
+		unset($this->_params[$key]);
+		if ($unset_from_global_too) {
+			unset($_REQUEST[$key]);
+		}
+	}
+
+
+
+	/**
+	 * @return string
+	 */
+	public function ip_address()
+	{
+		return $this->_ip_address;
+	}
+
+
+	/**
+	 * @return bool
+	 */
+	public function isAdmin()
+	{
+		return $this->admin;
+	}
+
+
+	/**
+	 * @return mixed
+	 */
+	public function isAjax()
+	{
+		return $this->ajax;
+	}
+
+
+	/**
+	 * @return mixed
+	 */
+	public function isFrontAjax()
+	{
+		return $this->front_ajax;
+	}
+
+
+
+	/**
+	 * _visitor_ip
+	 *    attempt to get IP address of current visitor from server
+	 * plz see: http://stackoverflow.com/a/2031935/1475279
+	 *
+	 * @access public
+	 * @return string
+	 */
+	private function _visitor_ip()
+	{
+		$visitor_ip  = '0.0.0.0';
+		$server_keys = array(
+			'HTTP_CLIENT_IP',
+			'HTTP_X_FORWARDED_FOR',
+			'HTTP_X_FORWARDED',
+			'HTTP_X_CLUSTER_CLIENT_IP',
+			'HTTP_FORWARDED_FOR',
+			'HTTP_FORWARDED',
+			'REMOTE_ADDR',
+		);
+		foreach ($server_keys as $key) {
+			if (isset($_SERVER[$key])) {
+				foreach (array_map('trim', explode(',', $_SERVER[$key])) as $ip) {
+					if ($ip === '127.0.0.1' || filter_var($ip, FILTER_VALIDATE_IP) !== false) {
+						$visitor_ip = $ip;
+					}
+				}
+			}
+		}
+		return $visitor_ip;
+	}