The imagestringup() function is an inbuilt function in PHP which is used to draw a string vertically.
Syntax:
bool imagestringup( $image, $font, $x, $y, $string, $color )
Parameters: This function accepts six parameters as mentioned above and described below:
- $image: The imagecreatetruecolor() function is used to create a blank image in a given size.
- $font: This parameter is used to set the font size. Inbuilt font in latin2 encoding can be 1, 2, 3, 4, 5 or other font identifiers registered with imageloadfont() function.
- $x: This parameter is used to hold the x-coordinate of the upper left corner.
- $y: This parameter is used to hold the y-coordinate of the upper left corner.
- $string: This parameter is used to hold the string to be written.
- $color: This parameter is used to hold the color of image.
Return Value: This function returns True on success or False on failure.
Below programs illustrate the imagestringup() function in PHP:
Program 1:
<?php // Create a 400*300 image $im = imagecreatetruecolor(400, 300); // Set the background color of image $background_color = imagecolorallocate($im, 0, 153, 0); // Fill background with above selected color imagefill($im, 0, 0, $background_color); // Write the text $textcolor = imagecolorallocate($im, 255, 255, 255); imagestringup($im, 6, 195, 200, 'neveropen', $textcolor); // Output the picture to the browser header('Content-type: image/png'); imagepng($im); ?> |
Output:
Program 2:
<?php // Create a 400*300 image $im = imagecreatetruecolor(400, 300); // Set the background color of image $background_color = imagecolorallocate($im, 0xFF, 0xFF, 0xFF); // Fill background with above selected color imagefill($im, 0, 0, $background_color); // Write the text $textcolor = imagecolorallocate($im, 0, 153, 0); imagestringup($im, 6, 195, 200, 'neveropen', $textcolor); // Output the picture to the browser header('Content-type: image/png'); imagepng($im); ?> |
Output:
Reference: http://php.net/manual/en/function.imagestringup.php
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