<?php 
    header ("Content-Type: image/png");
	
	if(isset($_GET['img_text'])) { $img_text = htmlentities($_GET['img_text']); }
	else {
		// use this opportunity to pull something from a db		
	}
    
    // set width, height, font & size;
    $width = "120";
    $height = "30";
    $font = "visitor2.ttf";
    $size = "10";

    //Text limit is 45 characters, so let's break that line of text up...
    // create an array with each word as an array entry
    $word_array = explode(" ",$img_text);
    $word_count = count($word_array);
    // start our line of text with the first entry in that array
    $final_text = $word_array[0];
    
    // let's build that line of text
    for($i = "1"; $i < $word_count; $i++) {
        // Find out if current text will fit on a line
        $sizeArray = imageFTBBox($size, 0, "fonts/$font", $final_text, array("linespacing" => .8));
        $text_width = ($sizeArray[4] - $sizeArray[0]);

        // define word separators to have a new line entry
        // if this line fits, we need to see if another word will fit on this line       
        if($text_width < $width) {
            // add next word to the line with a space
            $sizeArray2 = imageFTBBox($size, 0, "fonts/$font", $final_text." ".$word_array[$i], array("linespacing" => .8));
            $text_width2 = ($sizeArray2[4] - $sizeArray2[0]);
        
            if($text_width2 < $width) {
                // if text will fit, add a space between words
                $separator = " ";
            } 
			else {
                // if text is too long, add a new line character
                $separator = "\r\n";
            }
        } 
		else {
            // add new line character if original measurement was more than 100px
            $separator = "\r\n";
        }
        
        // build the text so far  
        $final_text = $final_text.$separator.$word_array[$i];
    }
        	
    
	// create the base image
	$img_handle = ImageCreate($width, $height) or die ("Cannot Create Image");
	// set a background color
	$background = ImageColorAllocate($img_handle, 255, 255, 255);
	// make that background color transparent
	ImageColorTransparent($img_handle, $background);
	// set text color
	$txt_color = ImageColorAllocate($img_handle, 1, 1, 1);
	// render text
	ImageFTText($img_handle, $size, 0, 00, 7, -10, "fonts/$font", $final_text, array("linespacing" => .8));
	// create the PNG image
	// since we're not saving the image - we don't define a file name
	// if we wanted to save the image, a file name would appear after the $img_handle
	ImagePNG ($img_handle);
	// destroy the image to free server memory
	ImageDestroy($img_handle);
?>