left, right, center and justify text in an image usign native php functions

text alignment with gd and .php

<?php

$text = "Your Text Here
this is a test of the things and stuff and things";
$font_size = "12";
$color = "#000000";
$font_file = "/Applications/XAMPP/xamppfiles/htdocs/otcb/app/fonts/OldStreetSigns.ttf";
$background = "#FFFFFF";
$wrap_width = "250";
$alpha = 0;
$padding = 5;

// right, left, center, or justified
$align = "justified";

// wrap word first
$text = wrapText($font_size, $font_file, $text, $wrap_width);	

// Retrieve bounding box:
$bbox = imagettfbbox($font_size, 0, $font_file, $text);

// Determine image width and height, plus padding:
$baseline = abs($bbox[7]);
$descent = abs($bbox[1]);
$image_width = abs($bbox[0])+abs($bbox[2]) + ($padding*2) + 5;
$image_height = $baseline+$descent + ($padding*2);

// Create image
$image = imagecreatetruecolor($image_width, $image_height);

$rgb = hexToRGB($background);
$bgcolor = imagecolorallocate($image, $rgb[0], $rgb[1], $rgb[2]);

// create a solid background first
imagefill($image, 0, 0, $bgcolor);
imagealphablending($image, false);
imagesavealpha($image, true);

// determine text color
$rgb = hexToRGB($color);
$textcolor = imagecolorallocate($image, $rgb[0], $rgb[1], $rgb[2]);

// Fix starting x and y coordinates for the text:
$x = $bbox[0] + $padding;
$y = $baseline + $padding;

// Add TrueType text to image:
imagealphablending($image, true);

// draw the image
switch($align){
	case "center": 
		$z = imagettftextcenter($image, $font_size, $x, $y, $textcolor, $font_file, $text);
		break;
	case "justified": 
		$z = imagettftextjustified($image, $font_size, $x, $y, $textcolor, $font_file, $text);
		break;
	case "right": 
		$z = imagettftextright($image, $font_size, $x, $y, $textcolor, $font_file, $text);
		break;
	case "left": 
	default:
		$z = imagettftext($image, $font_size, 0, $x, $y, $textcolor, $font_file, $text);
}

// output the image
header('Content-Type: image/png');
imagepng($image, null, 9);

function imagettftextjustified($image, $size, $x, $y, $color, $fontfile, $text){
	// Get height of single line
	$rect = imagettfbbox($size, 0, $fontfile, "Tq");
	$minY = min(array($rect[1],$rect[3],$rect[5],$rect[7]));
	$maxY = max(array($rect[1],$rect[3],$rect[5],$rect[7])); 
	$h1 = $maxY - $minY;
	
	// Get height of two lines
	$rect = imagettfbbox($size, 0, $fontfile, "Tq\nTq");
	$minY = min(array($rect[1],$rect[3],$rect[5],$rect[7]));
	$maxY = max(array($rect[1],$rect[3],$rect[5],$rect[7])); 
	$h2 = $maxY - $minY;
	
	// amount of padding that should be between each line
	$vpadding = $h2 - $h1 - $h1;
	
	// calculate the dimensions of the text itself
	$frect = imagettfbbox($size, 0, $fontfile, $text);
	$minX = min(array($frect[0],$frect[2],$frect[4],$frect[6]));
	$maxX = max(array($frect[0],$frect[2],$frect[4],$frect[6]));
	$text_width = $maxX - $minX;
	
	// left align any line whose whitespace accounts 
	// for this much (percent) of the the line.
	$max_whitespace_pct = 70;
	
	$threshold = $text_width / 100 * $max_whitespace_pct;
	$lines = explode("\n", $text);
	foreach($lines as $line){
		$rect = imagettfbbox($size, 0, $fontfile, $line);
		$minX = min(array($rect[0],$rect[2],$rect[4],$rect[6]));
		$maxX = max(array($rect[0],$rect[2],$rect[4],$rect[6]));
		$minY = min(array($rect[1],$rect[3],$rect[5],$rect[7]));
		$maxY = max(array($rect[1],$rect[3],$rect[5],$rect[7]));
		
		$line_width = $maxX - $minX;
		$line_height = $maxY - $minY; 
		
		$words = explode(" ", $line);
		$word_width = 0;
		$word_data = array();
		foreach($words as $word){
			$rect = imagettfbbox($size, 0, $fontfile, $word);
			$minX = min(array($rect[0],$rect[2],$rect[4],$rect[6]));
			$maxX = max(array($rect[0],$rect[2],$rect[4],$rect[6]));
			$width = $maxX - $minX;
			$word_width += $width;
			$word_data[] = array(
				"width" => $width,
				"word" => $word
			);
		}
		
		$available_space = $text_width - $word_width;
		$_x = $x;
		if($threshold > $available_space && count($words) > 1){
			$total_spaces = count($words) - 1;
			$space_size = $available_space / $total_spaces;
			foreach($word_data as $word){
				imagettftext($image, $size, 0, $_x, $y, $color, $fontfile, $word['word']);
				$_x += ($space_size + $word['width']);
			}
		}else{
			imagettftext($image, $size, 0, $_x, $y, $color, $fontfile, $line);
		}
		$y += ($line_height + $vpadding);
	}
	return $rect;
}

function imagettftextcenter($image, $size, $x, $y, $color, $fontfile, $text){
	// Get height of single line
	$rect = imagettfbbox($size, 0, $fontfile, "Tq");
	$minY = min(array($rect[1],$rect[3],$rect[5],$rect[7]));
	$maxY = max(array($rect[1],$rect[3],$rect[5],$rect[7])); 
	$h1 = $maxY - $minY;
	
	// Get height of two lines
	$rect = imagettfbbox($size, 0, $fontfile, "Tq\nTq");
	$minY = min(array($rect[1],$rect[3],$rect[5],$rect[7]));
	$maxY = max(array($rect[1],$rect[3],$rect[5],$rect[7])); 
	$h2 = $maxY - $minY;
	
	// amount of padding that should be between each line
	$vpadding = $h2 - $h1 - $h1;
	
	// calculate the dimensions of the text itself
	$frect = imagettfbbox($size, 0, $fontfile, $text);
	$minX = min(array($frect[0],$frect[2],$frect[4],$frect[6]));
	$maxX = max(array($frect[0],$frect[2],$frect[4],$frect[6]));
	$text_width = $maxX - $minX;
	
	$text = explode("\n", $text);
	foreach($text as $txt){
		$rect = imagettfbbox($size, 0, $fontfile, $txt);
		$minX = min(array($rect[0],$rect[2],$rect[4],$rect[6]));
		$maxX = max(array($rect[0],$rect[2],$rect[4],$rect[6]));
		$minY = min(array($rect[1],$rect[3],$rect[5],$rect[7]));
		$maxY = max(array($rect[1],$rect[3],$rect[5],$rect[7])); 
		
		$width = $maxX - $minX;
		$height = $maxY - $minY; 
		
		$_x = $x + (($text_width - $width) / 2);
		
		imagettftext($image, $size, 0, $_x, $y, $color, $fontfile, $txt);
		$y += ($height + $vpadding);
	}
	
	return $rect;
}

function imagettftextright($image, $size, $x, $y, $color, $fontfile, $text){
	// Get height of single line
	$rect = imagettfbbox($size, 0, $fontfile, "Tq");
	$minY = min(array($rect[1],$rect[3],$rect[5],$rect[7]));
	$maxY = max(array($rect[1],$rect[3],$rect[5],$rect[7])); 
	$h1 = $maxY - $minY;
	
	// Get height of two lines
	$rect = imagettfbbox($size, 0, $fontfile, "Tq\nTq");
	$minY = min(array($rect[1],$rect[3],$rect[5],$rect[7]));
	$maxY = max(array($rect[1],$rect[3],$rect[5],$rect[7])); 
	$h2 = $maxY - $minY;
	
	// amount of padding that should be between each line
	$vpadding = $h2 - $h1 - $h1;
	
	// calculate the dimensions of the text itself
	$frect = imagettfbbox($size, 0, $fontfile, $text);
	$minX = min(array($frect[0],$frect[2],$frect[4],$frect[6]));
	$maxX = max(array($frect[0],$frect[2],$frect[4],$frect[6]));
	$text_width = $maxX - $minX; 
	
	$text = explode("\n", $text);
	foreach($text as $txt){
		$rect = imagettfbbox($size, 0, $fontfile, $txt);
		$minX = min(array($rect[0],$rect[2],$rect[4],$rect[6]));
		$maxX = max(array($rect[0],$rect[2],$rect[4],$rect[6]));
		$minY = min(array($rect[1],$rect[3],$rect[5],$rect[7]));
		$maxY = max(array($rect[1],$rect[3],$rect[5],$rect[7])); 
		
		$width = $maxX - $minX;
		$height = $maxY - $minY; 
		
		$_x = ($x + $text_width) - $width;
		
		imagettftext($image, $size, 0, $_x, $y, $color, $fontfile, $txt);
		$y += ($height + $vpadding);
	}
	
	return $rect;
}

function hexToRGB($hex){
	// Remove the # if there is one
	$hex = str_replace("#", "", $hex);

	// Convert the hex to rgb
	if(strlen($hex) == 3){
		$r = hexdec(substr($hex, 0, 1) . substr($hex, 0, 1));
		$g = hexdec(substr($hex, 1, 1) . substr($hex, 1, 1));
		$b = hexdec(substr($hex, 2, 1) . substr($hex, 2, 1));
	}else{
		$r = hexdec(substr($hex, 0, 2));
		$g = hexdec(substr($hex, 2, 2));
		$b = hexdec(substr($hex, 4, 2));
	}

	return array($r, $g, $b);
}

function wrapText($fontSize, $fontFace, $string, $width){

	$ret = "";
	$arr = explode(" ", $string);

	foreach($arr as $word){
		$testboxWord = imagettfbbox($fontSize, 0, $fontFace, $word);

		// huge word larger than $width, we need to cut it internally until it fits the width
		$len = strlen($word);
		while($testboxWord[2] > $width && $len > 0){
			$word = substr($word, 0, $len);
			$len--;
			$testboxWord = imagettfbbox($fontSize, 0, $fontFace, $word);
		}

		$teststring = $ret . ' ' . $word;
		$testboxString = imagettfbbox($fontSize, 0, $fontFace, $teststring);
		if($testboxString[2] > $width){
			$ret.=($ret == "" ? "" : "\n") . $word;
		}else{
			$ret.=($ret == "" ? "" : ' ') . $word;
		}
	}

	return $ret;
}

❤ Thank you, If you have improvised the code kindly update it if possible..

thank you profissional work