imagecharup

(PHP 4, PHP 5, PHP 7, PHP 8)

imagecharup — Draw a character vertically

Description

imagecharup(
    GdImage $image,
    GdFont|int $font,
    int $x,
    int $y,
    string $char,
    int $color
): bool

Draws the character char vertically at the specified coordinate on the given image.

Parameters

image: A GdImage object, returned by one of the image creation functions, such as imagecreatetruecolor().
font: Can be 1, 2, 3, 4, 5 for built-in fonts in latin2 encoding (where higher numbers corresponding to larger fonts) or GdFont instance, returned by imageloadfont().
x: x-coordinate of the start.
y: y-coordinate of the start.
char: The character to draw.
color: A color identifier created with imagecolorallocate().

Return Values

Returns true on success or false on failure.

Changelog

Version	Description
8.1.0	The `font` parameter now accepts both an GdFont instance and an int; previously only int was accepted.
8.0.0	`image` expects a GdImage instance now; previously, a valid `gd` resource was expected.

Examples

Example #1 imagecharup() example

<?php

$im = imagecreate(100, 100);

$string = 'Note that the first letter is a N';

$bg = imagecolorallocate($im, 255, 255, 255);
$black = imagecolorallocate($im, 0, 0, 0);

/ prints a black "Z" on a white background
imagecharup($im, 3, 10, 10, $string, $black);

header('Content-type: image/png');
imagepng($im);

?>