あり

function wp_head() {		
	echo "\n<!-- My CSS Editor $this->version -->\n";
	if( get_option($this->option_name) ){
		echo '<style type="text/css">';
		echo '<--';
		echo get_option($this->option_name);
		echo '-->';
		echo '</style>';
	}
}
 
function edit_setting() {
	if ( isset($_POST['action']) && $_POST['action'] == 'update' ){
		update_option($this->option_name, $_POST['css_value']);
		echo '<div id="message" class="updated fade"><p><strong>Your Style Sheet was preserved. </strong></p></div>';
	}elseif(isset($_POST['action']) && $_POST['action'] == 'delete'){
		delete_option($this->option_name);
		echo '<div id="message" class="updated fade"><p><strong>Your Style Sheet setting was deleted. </strong></p></div>';
	}
	echo '<div class="wrap">';
	echo '<h2>Edit of your Style Sheet</h2>';
	echo '<form>option_name}\"",  ' action="'.$_SERVER['REQUEST_URI'].'" method="post">';
	wp_nonce_field('update-options');
	echo '<table class="form-table">';
 
	echo '<p>Your Style Sheet setting can be made by editing the text area. <br />';
	echo 'The setting can be deleted with the delete button. </p>';
	echo '<tr valign="top">';
	echo '<th scope="row">$this->option_name</th>';
	echo '<td>';
	echo '<textarea name="css_value">';
 
	if($settings = get_option($this->option_name)){
		echo $settings;
	}else{
		;
	}
 
	echo '</textarea>';
 
	echo '</td>';
	echo '</tr>';
	echo '</table>';
	echo "function delete_setting(){alert('delete?');document.getElementById('action').value='delete';document.getElementById('{$this->option_name}').submit();}";
	echo '';
	echo '<p> </p>';
	echo '<p> </p>';
	echo '</form>';
	echo '</div>';
}