How to draw a string vertically using imagestringup() function in PHP?

imagestringup() is an inbuilt function in PHP that is used to draw an image vertically.

Syntax

bool imagestringup ($image, $font, $x, $y, $string, $color)

Parameters

imagestring() accepts six parameters: $image, $font, $x, $y, $string, and $color.

• $image − The $image parameter uses imagecreatetruecolor() function to create a blank image of given size.

• $font − The $font parameter is used to set the font-size values from 1, 2, 3, 4, and 5 for inbuilt fonts or other font identifiers registered with imageloadfont() function.

• $x − Holds the position of the font in the horizontal X-axis, upper leftmost corner.

• $y − Holds the position of the font in the vertical Y-axis, topmost corner.

• $string − The $string parameter holds the string to be written.

• $color − This parameter holds the color of the image.

Return Values

imagestring() returns True on success and False on failure.

Example

<?php    // Create a 250*190 image using imagecreatetruecolor() function    $img = imagecreatetruecolor(700, 300);    // Set the background color of the image    $bgcolor = imagecolorallocate($img, 122, 122, 122);    // Fill background with above-selected color    imagefill($img, 0, 0, $bgcolor);    // Write the white color text    $textcolor = imagecolorallocate($img, 255, 255, 255);    imagestringup($img, 6, 130, 150, 'Hello World', $textcolor);    // Output the picture to the browser    header('Content-type: image/png');    imagepng($img); ?>

Output