PHP _attributes_to_string函数代码示例

 function form_open($action = '', $attributes = '', $hidden = array())
 {
     $CI =& get_instance();
     $charset = strtolower($CI->config->item('charset'));
     if ($attributes == '') {
         $attributes = 'method="post" accept-charset="' . $charset . '"';
     } else {
         if (is_string($attributes)) {
             if (strpos('accept-charset=', $attributes) === FALSE) {
                 $attributes .= ' accept-charset="' . $charset . '"';
             }
         } elseif (is_object($attributes) or is_array($attributes)) {
             $attributes = (array) $attributes;
             if (!in_array('accept-charset', $attributes)) {
                 $attributes['accept-charset'] = $charset;
             }
         }
     }
     $action = strpos($action, '://') === FALSE ? $CI->config->site_url($action) : $action;
     $form = '<form action="' . $action . '"';
     $form .= _attributes_to_string($attributes, TRUE);
     $form .= '>';
     if (is_array($hidden) and count($hidden) > 0) {
         $form .= form_hidden($hidden);
     }
     return $form;
 }

 function form_open($action = '', $attributes = '', $hidden = array())
 {
     $ING =& get_instance();
     $ING->load->helper('url');
     if ($attributes == '') {
         $attributes = 'method="post"';
     }
     // If an action is not a full URL then turn it into one
     if ($action && strpos($action, '://') === FALSE) {
         $action = site_url($action);
     }
     // If no action is provided then set to the current url
     $action or $action = current_url();
     $form = '<form action="' . $action . '"';
     $form .= _attributes_to_string($attributes, TRUE);
     $form .= '>';
     // Add CSRF field if enabled, but leave it out for GET requests and requests to external websites
     if (config_item('csrf_protection') === TRUE and !(strpos($action, base_url()) === FALSE or strpos($form, 'method="get"'))) {
         $hidden[$ING->security->get_csrf_token_name()] = $ING->security->get_csrf_hash();
     }
     if (is_array($hidden) and count($hidden) > 0) {
         $form .= sprintf("<div style=\"display:none\">%s</div>", form_hidden($hidden));
     }
     return $form;
 }

 function form_open($action = '', $attributes = array(), $hidden = array())
 {
     $CI =& get_instance();
     // If no action is provided then set to the current url
     if (!$action) {
         $action = current_url($action);
     } elseif (strpos($action, '://') === FALSE) {
         $action = if_secure_site_url($action);
     }
     $attributes = _attributes_to_string($attributes);
     if (stripos($attributes, 'method=') === FALSE) {
         $attributes .= ' method="post"';
     }
     if (stripos($attributes, 'accept-charset=') === FALSE) {
         $attributes .= ' accept-charset="' . strtolower(config_item('charset')) . '"';
     }
     $form = '<form action="' . $action . '"' . $attributes . ">\n";
     // Add CSRF field if enabled, but leave it out for GET requests and requests to external websites
     if ($CI->config->item('csrf_protection') === TRUE && strpos($action, if_secure_base_url()) !== FALSE && !stripos($form, 'method="get"')) {
         $hidden[$CI->security->get_csrf_token_name()] = $CI->security->get_csrf_hash();
     }
     // Add MY CSRF token if MY CSRF library is loaded
     if ($CI->load->is_loaded('tokens') && strpos($action, if_secure_base_url()) !== FALSE && !stripos($form, 'method="get"')) {
         $hidden[$CI->tokens->name] = $CI->tokens->token();
     }
     if (is_array($hidden)) {
         foreach ($hidden as $name => $value) {
             $form .= '<input type="hidden" name="' . $name . '" value="' . html_escape($value) . '" style="display:none;" />' . "\n";
         }
     }
     return $form;
 }

function form_open($action = '', $attributes = '', $hidden = array())
{
	$_ci = & get_instance();
	$_ci->load->library('form_validation');

	if ($attributes == '')
	{
		$attributes = 'method="post"';
	}

	$action = ( strpos($action, '://') === FALSE) ? $_ci->config->site_url($action) : $action;

	$form = '<form action="' . $action . '"';
	$form .= _attributes_to_string($attributes, TRUE);
	$form .= '>';

	if ($_ci->form_validation->has_nonce())
	{
		$value = set_value('nonce');
		if ($value == '')
		{
			$value = $_ci->form_validation->create_nonce();
		}

		$hidden['nonce'] = set_value('nonce', $value);
	}

	if (is_array($hidden) && count($hidden) > 0)
	{
		$form .= form_hidden($hidden);
	}

	return $form;
}

 function form_open($action = '', $attributes = '', $hidden = array())
 {
     $CI =& get_instance();
     if ($attributes == '') {
         $attributes = 'method="post"';
     }
     // If an action is not a full URL then turn it into one
     if ($action && strpos($action, '://') === FALSE) {
         $action = $CI->config->site_url($action);
     }
     // If no action is provided then set to the current url
     $action or $action = $CI->config->site_url($CI->uri->uri_string());
     $form = '<form action="' . $action . '"';
     $form .= _attributes_to_string($attributes, TRUE);
     $form .= '>';
     // Add CSRF field if enabled, but leave it out for GET requests and requests to external websites
     $_base_url = $CI->config->base_url();
     $_secure_base_url = $CI->config->secure_base_url();
     if ($CI->config->item('csrf_protection') === TRUE and !(strpos($action, $_base_url) === FALSE or strpos($form, 'method="get"'))) {
         $hidden[$CI->security->get_csrf_token_name()] = $CI->security->get_csrf_hash();
     }
     //	If the secure_base_url is different, then do a check for that domain/url too.
     if ($_base_url != $_secure_base_url) {
         if ($CI->config->item('csrf_protection') === TRUE and !(strpos($action, $_secure_base_url) === FALSE or strpos($form, 'method="get"'))) {
             $hidden[$CI->security->get_csrf_token_name()] = $CI->security->get_csrf_hash();
         }
     }
     //	Render any hidden fields
     if (is_array($hidden) and count($hidden) > 0) {
         $form .= sprintf("<div style=\"display:none\">%s</div>", form_hidden($hidden));
     }
     return $form;
 }

function form_open($a = '', $b = '', $c = array())
{
    if ($b == '') {
        $b = 'method="post"';
    }
    $d = '<form action="' . $a . '"';
    $d .= _attributes_to_string($b, TRUE);
    $d .= '>';
    if (is_array($c) and count($c) > 0) {
        $d .= sprintf("<div style=\"display:none\">%s</div>", form_hidden($c));
    }
    return $d;
}

function form_open($action = '', $attributes = '', $hidden = array())
{
    if ($attributes == '') {
        $attributes = 'method="post"';
    }
    $form = '<form action="' . $action . '"';
    $form .= _attributes_to_string($attributes, TRUE);
    $form .= '>';
    if (is_array($hidden) and count($hidden) > 0) {
        $form .= sprintf("<div style=\"display:none\">%s</div>", form_hidden($hidden));
    }
    return $form;
}

function chainned_dropdown($data = '', $options = array(), $selected = array(), $extra = '', $extra_options = '')
{
    $defaults = array();
    if (is_array($data)) {
        if (isset($data['selected'])) {
            $selected = $data['selected'];
            unset($data['selected']);
            // select tags don't have a selected attribute
        }
        if (isset($data['options'])) {
            $options = $data['options'];
            unset($data['options']);
            // select tags don't use an options attribute
        }
    } else {
        $defaults = array('name' => $data);
    }
    is_array($selected) or $selected = array($selected);
    is_array($options) or $options = array($options);
    // If no selected state was submitted we will attempt to set it automatically
    if (empty($selected)) {
        if (is_array($data)) {
            if (isset($data['name'], $_POST[$data['name']])) {
                $selected = array($_POST[$data['name']]);
            }
        } elseif (isset($_POST[$data])) {
            $selected = array($_POST[$data]);
        }
    }
    $extra = _attributes_to_string($extra);
    $extra_options = _attributes_to_string($extra_options);
    $multiple = count($selected) > 1 && stripos($extra, 'multiple') === FALSE ? ' multiple="multiple"' : '';
    $form = '<select ' . rtrim(_parse_form_attributes($data, $defaults)) . $extra . $multiple . ">\n";
    foreach ($options as $key => $val) {
        $key = (string) $key;
        if (is_array($val)) {
            if (empty($val)) {
                continue;
            }
            $form .= '<optgroup label="' . $key . "\">\n";
            foreach ($val as $optgroup_key => $optgroup_val) {
                $sel = in_array($optgroup_key, $selected) ? ' selected="selected"' : '';
                $form .= '<option ' . $extra_options . ' value="' . html_escape($optgroup_key) . '"' . $sel . '>' . (string) $optgroup_val . "</option>\n";
            }
            $form .= "</optgroup>\n";
        } else {
            $form .= '<option ' . $extra_options . ' value="' . html_escape($key) . '"' . (in_array($key, $selected) ? ' selected="selected"' : '') . '>' . (string) $val . "</option>\n";
        }
    }
    return $form . "</select>\n";
}

 public function open($action = '', $attributes = array(), $attributes_table = array())
 {
     static $form;
     $attributes = _attributes_to_string($attributes);
     if (stripos($attributes, 'method=') === FALSE) {
         $attributes .= ' method="post"';
     }
     $attributes = _attributes_to_string($attributes);
     $attributes_table = _attributes_to_string($attributes_table);
     $form .= '<form action="' . $action . '"' . $attributes . '>';
     $form .= '<table class="form-table"' . $attributes_table . '>';
     $form .= '<tbody>';
     echo $form;
 }

 function secure_form_open($action = '', $attributes = '', $hidden = array())
 {
     $CI =& get_instance();
     if ($attributes == '') {
         $attributes = 'method="post"';
     }
     $action = strpos($action, '://') === FALSE ? $CI->config->secure_site_url($action) : $action;
     $form = '<form action="' . $action . '"';
     $form .= _attributes_to_string($attributes, TRUE);
     $form .= '>';
     if (is_array($hidden) and count($hidden) > 0) {
         $form .= form_hidden($hidden);
     }
     return $form;
 }

 function secure_form_open($action = '', $attributes = '', $hidden = array())
 {
     $CI =& get_instance();
     if ($attributes == '') {
         $attributes = 'method="post"';
     }
     $action = strpos($action, '://') === FALSE ? $CI->config->secure_site_url($action) : $action;
     $form = '<form action="' . $action . '"';
     $form .= _attributes_to_string($attributes, TRUE);
     $form .= '>';
     // CSRF
     if ($CI->config->item('csrf_protection') === TRUE) {
         $hidden[$CI->security->csrf_token_name] = $CI->security->csrf_hash;
     }
     if (is_array($hidden) and count($hidden) > 0) {
         $form .= sprintf("\n<div class=\"hidden\">%s</div>", form_hidden($hidden));
     }
     return $form;
 }

/**
 * Form Open
 *
 * Create the form open tag as well as any hidden inputs. Also implements CSRF.
 *
 * @param	string	The action attribute
 * @param	string	A string of extra attributes
 * @param	array	An array of hidden elements
 * @param	bool	If CSRF should be enabled
 * @return	string	The form element and any hidden inputs
 */
function form_open($action = '', $attributes = '', $hidden = array(), $csrf_enabled = TRUE)
{
    $_ci =& get_instance();
    $_ci->load->library('form_validation');
    if ($attributes == '') {
        $attributes = 'method="post"';
    }
    $action = strpos($action, '://') === FALSE ? $_ci->config->site_url($action) : $action;
    $form = '<form action="' . $action . '"';
    $form .= _attributes_to_string($attributes, TRUE);
    $form .= '>';
    if (is_array($hidden) && count($hidden) > 0) {
        $form .= form_hidden($hidden);
    }
    if ($csrf_enabled) {
        $form .= form_token();
    }
    return $form;
}

 function form_open($action = '', $attributes = array(), $hidden = array())
 {
     $CI =& get_instance();
     // Load URL helper for the site_url and base_url functions
     $CI->load->helper('url');
     // Set the link protocol to https if secure
     $link_protocol = USE_SSL && is_https() ? 'https' : NULL;
     // If no action is provided then set to the current url
     if (!$action) {
         $action = current_url($action);
         if (is_https()) {
             if (parse_url($action, PHP_URL_SCHEME) == 'http') {
                 $action = substr($action, 0, 4) . 's' . substr($action, 4);
             }
         }
         $action = $_SERVER['QUERY_STRING'] ? $action . '?' . $_SERVER['QUERY_STRING'] : $action;
     } elseif (strpos($action, '://') === FALSE) {
         $action = site_url($action, $link_protocol);
     }
     $attributes = _attributes_to_string($attributes);
     if (stripos($attributes, 'method=') === FALSE) {
         $attributes .= ' method="post"';
     }
     if (stripos($attributes, 'accept-charset=') === FALSE) {
         $attributes .= ' accept-charset="' . strtolower(config_item('charset')) . '"';
     }
     $form = '<form action="' . $action . '"' . $attributes . ">\n";
     // Add CSRF field if enabled, but leave it out for GET requests and requests to external websites
     if ($CI->config->item('csrf_protection') === TRUE && strpos($action, base_url('', $link_protocol)) !== FALSE && !stripos($form, 'method="get"')) {
         $hidden[$CI->security->get_csrf_token_name()] = $CI->security->get_csrf_hash();
     }
     // Add MY CSRF token if MY CSRF library is loaded
     if ($CI->load->is_loaded('tokens') && strpos($action, base_url('', $link_protocol)) !== FALSE && !stripos($form, 'method="get"')) {
         $hidden[$CI->tokens->name] = $CI->tokens->token();
     }
     if (is_array($hidden)) {
         foreach ($hidden as $name => $value) {
             $form .= '<input type="hidden" name="' . $name . '" value="' . html_escape($value) . '" style="display:none;" />' . "\n";
         }
     }
     return $form;
 }

 /**
  * Parsing html attributes,
  * Actually CI has built-in _attributes_to_string() function, but I wonder
  * It's belong to form_helper instead of html_helper. So I make it available
  * in form helper as well. NOTICE: this function will fallback to default
  * _attributes_to_string() if form_helper is loaded.
  *
  * @param  mixed  $attributes Attributes
  * @return string
  */
 function parse_html_attrs($attributes = null)
 {
     if (function_exists('_attributes_to_string')) {
         return _attributes_to_string($attributes);
     }
     if (empty($attributes)) {
         return '';
     }
     if (is_string($attributes)) {
         return $attributes;
     }
     if (is_object($attributes)) {
         $attributes = (array) $attributes;
     }
     if (is_array($attributes)) {
         $atts = [];
         foreach ($attributes as $key => $val) {
             $atts[] = $key . '="' . html_escape($val) . '"';
         }
         return implode(' ', $atts);
     }
     return false;
 }

 function form_open($action = '', $attributes = '', $hidden = array())
 {
     $CI =& get_instance();
     $name = $CI->controller . '-' . $CI->method;
     if ($attributes == '') {
         $attributes = 'method="post"';
     }
     if (is_string($attributes)) {
         if (strpos($attributes, 'name=') === FALSE) {
             $attributes .= ' name="' . $name . '"';
         }
     } else {
         if (!isset($attributes['name'])) {
             $attributes['name'] = $name;
         }
     }
     // If an action is not a full URL then turn it into one
     if ($action && strpos($action, '://') === FALSE) {
         $action = $CI->config->site_url($action);
     }
     // If no action is provided then set to the current url
     $action or $action = $CI->config->site_url($CI->uri->uri_string());
     $form = '<form action="' . $action . '"';
     $form .= _attributes_to_string($attributes, TRUE);
     $form .= '>';
     // Add CSRF field if enabled, but leave it out for GET requests and requests to external websites
     if ($CI->config->item('csrf_protection') === TRUE and !(strpos($action, $CI->config->site_url()) === FALSE or strpos($form, 'method="get"'))) {
         $hidden[$CI->security->get_csrf_token_name()] = $CI->security->get_csrf_hash();
     }
     if (is_array($hidden) and count($hidden) > 0) {
         $form .= sprintf("<div style=\"display:none\">%s</div>", form_hidden($hidden));
     }
     return $form;
     $CI =& get_instance();
     return form_open($action, $attributes, $hidden);
 }