335 lines
8.1 KiB
PHP
335 lines
8.1 KiB
PHP
<?php namespace Laravel;
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class HTML {
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/**
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* Convert HTML characters to entities.
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*
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* The encoding specified in the application configuration file will be used.
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*
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* @param string $value
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* @return string
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*/
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public static function entities($value)
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{
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return htmlentities($value, ENT_QUOTES, Config::get('application.encoding'), false);
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}
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/**
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* Generate a JavaScript reference.
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*
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* @param string $url
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* @param array $attributes
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* @return string
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*/
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public static function script($url, $attributes = array())
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{
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$url = IoC::container()->resolve('laravel.url');
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return '<script type="text/javascript" src="'.static::entities($url->to_asset($url)).'"'.static::attributes($attributes).'></script>'.PHP_EOL;
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}
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/**
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* Generate a CSS reference.
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*
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* @param string $url
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* @param array $attributes
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* @return string
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*/
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public static function style($url, $attributes = array())
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{
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if ( ! array_key_exists('media', $attributes)) $attributes['media'] = 'all';
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$attributes = array_merge($attributes, array('rel' => 'stylesheet', 'type' => 'text/css'));
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$url = IoC::container()->resolve('laravel.url');
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return '<link href="'.static::entities($url->to_asset($url)).'"'.static::attributes($attributes).'>'.PHP_EOL;
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}
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/**
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* Generate a HTML span.
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*
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* @param string $value
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* @param array $attributes
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* @return string
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*/
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public static function span($value, $attributes = array())
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{
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return '<span'.static::attributes($attributes).'>'.static::entities($value).'</span>';
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}
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/**
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* Generate a HTML link.
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*
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* @param string $url
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* @param string $title
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* @param array $attributes
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* @param bool $https
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* @param bool $asset
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* @return string
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*/
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public static function link($url, $title, $attributes = array(), $https = false, $asset = false)
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{
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$url = IoC::container()->resolve('laravel.url');
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return '<a href="'.static::entities($url->to($url, $https, $asset)).'"'.static::attributes($attributes).'>'.static::entities($title).'</a>';
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}
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/**
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* Generate a HTTPS HTML link.
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*
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* @param string $url
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* @param string $title
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* @param array $attributes
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* @return string
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*/
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public static function link_to_secure($url, $title, $attributes = array())
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{
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return static::link($url, $title, $attributes, true);
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}
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/**
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* Generate an HTML link to an asset.
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*
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* @param string $url
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* @param string $title
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* @param array $attributes
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* @return string
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*/
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public static function link_to_asset($url, $title, $attributes = array(), $https = false)
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{
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return static::link($url, $title, $attributes, $https, true);
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}
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/**
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* Generate an HTTPS HTML link to an asset.
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*
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* @param string $url
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* @param string $title
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* @param array $attributes
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* @return string
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*/
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public static function link_to_secure_asset($url, $title, $attributes = array())
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{
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return static::link_to_asset($url, $title, $attributes, true);
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}
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/**
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* Generate an HTML link to a route.
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*
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* An array of parameters may be specified to fill in URI segment wildcards.
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*
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* <code>
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* // Link to the "login" route
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* echo HTML::link_to_route('login', 'Login');
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*
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* // Link to the "profile" route, which has a URI of "/profile/(:any)"
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* echo HTML::link_to_route('profile', 'Profile', array('taylor'));
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* </code>
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*
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* @param string $name
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* @param string $title
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* @param array $parameters
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* @param array $attributes
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* @return string
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*/
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public static function link_to_route($name, $title, $parameters = array(), $attributes = array(), $https = false)
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{
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return static::link(IoC::resolve('laravel.url')->to_route($name, $parameters, $https), $title, $attributes);
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}
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/**
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* Generate an HTTPS HTML link to a route.
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*
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* @param string $name
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* @param string $title
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* @param array $parameters
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* @param array $attributes
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* @return string
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*/
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public static function link_to_secure_route($name, $title, $parameters = array(), $attributes = array())
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{
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return static::link_to_route($name, $title, $parameters, $attributes, true);
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}
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/**
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* Generate an HTML mailto link.
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*
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* The E-Mail address will be obfuscated to protect it from spam bots.
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*
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* @param string $email
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* @param string $title
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* @param array $attributes
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* @return string
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*/
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public static function mailto($email, $title = null, $attributes = array())
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{
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$email = static::email($email);
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if (is_null($title)) $title = $email;
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return '<a href="mailto:'.$email.'"'.static::attributes($attributes).'>'.static::entities($title).'</a>';
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}
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/**
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* Obfuscate an e-mail address to prevent spam-bots from sniffing it.
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*
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* @param string $email
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* @return string
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*/
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public static function email($email)
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{
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return str_replace('@', '@', static::obfuscate($email));
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}
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/**
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* Generate an HTML image.
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*
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* @param string $url
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* @param string $alt
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* @param array $attributes
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* @return string
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*/
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public static function image($url, $alt = '', $attributes = array())
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{
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$attributes['alt'] = static::entities($alt);
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return '<img src="'.static::entities(IoC::resolve('laravel.url')->to_asset($url)).'"'.static::attributes($attributes).'>';
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}
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/**
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* Generate an ordered list.
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*
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* @param array $list
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* @param array $attributes
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* @return string
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*/
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public static function ol($list, $attributes = array())
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{
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return static::list_elements('ol', $list, $attributes);
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}
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/**
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* Generate an un-ordered list.
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*
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* @param array $list
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* @param array $attributes
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* @return string
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*/
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public static function ul($list, $attributes = array())
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{
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return static::list_elements('ul', $list, $attributes);
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}
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/**
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* Generate an ordered or un-ordered list.
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*
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* @param string $type
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* @param array $list
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* @param array $attributes
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* @return string
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*/
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private static function list_elements($type, $list, $attributes = array())
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{
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$html = '';
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foreach ($list as $key => $value)
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{
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$html .= (is_array($value)) ? static::list_elements($type, $value) : '<li>'.static::entities($value).'</li>';
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}
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return '<'.$type.static::attributes($attributes).'>'.$html.'</'.$type.'>';
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}
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/**
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* Build a list of HTML attributes.
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*
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* @param array $attributes
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* @return string
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*/
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public static function attributes($attributes)
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{
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$html = array();
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foreach ($attributes as $key => $value)
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{
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// Assume numeric-keyed attributes to have the same key and value.
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// Example: required="required", autofocus="autofocus", etc.
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if (is_numeric($key)) $key = $value;
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if ( ! is_null($value))
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{
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$html[] = $key.'="'.static::entities($value).'"';
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}
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}
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return (count($html) > 0) ? ' '.implode(' ', $html) : '';
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}
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/**
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* Obfuscate a string to prevent spam-bots from sniffing it.
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*
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* @param string $value
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* @return string
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*/
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public static function obfuscate($value)
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{
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$safe = '';
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foreach (str_split($value) as $letter)
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{
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switch (rand(1, 3))
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{
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// Convert the letter to its entity representation.
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case 1:
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$safe .= '&#'.ord($letter).';';
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break;
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// Convert the letter to a Hex character code.
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case 2:
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$safe .= '&#x'.dechex(ord($letter)).';';
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break;
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// No encoding.
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case 3:
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$safe .= $letter;
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}
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}
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return $safe;
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}
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/**
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* Magic Method for handling dynamic static methods.
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*
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* This method primarily handles dynamic calls to create links to named routes.
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*
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* <code>
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* // Link to the "login" route
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* echo HTML::link_to_login('Login');
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*
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* // Link to the "profile" route, which has a URI of "/profile/(:any)"
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* echo HTML::link_to_profile('Profile', array('taylor'));
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* </code>
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*/
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public static function __callStatic($method, $parameters)
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{
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if (strpos($method, 'link_to_secure_') === 0)
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{
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array_unshift($parameters, substr($method, 15));
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return forward_static_call_array('HTML::link_to_secure_route', $parameters);
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}
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if (strpos($method, 'link_to_') === 0)
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{
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array_unshift($parameters, substr($method, 8));
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return forward_static_call_array('HTML::link_to_route', $parameters);
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}
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throw new \Exception("Static method [$method] is not defined on the HTML class.");
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}
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} |