How can the PHP manual be effectively utilized to find functions for image manipulation?

To find functions for image manipulation in PHP, one can effectively utilize the PHP manual by searching for keywords related to image processing, such as "image manipulation" or "GD library." The manual provides detailed documentation on various functions and classes available for image manipulation in PHP, along with examples and usage guidelines. 

// Example code snippet using the GD library for image manipulation
$image = imagecreatefromjpeg('example.jpg');
$width = imagesx($image);
$height = imagesy($image);

// Resize the image
$newWidth = 200;
$newHeight = ($height / $width) * $newWidth;
$newImage = imagecreatetruecolor($newWidth, $newHeight);
imagecopyresampled($newImage, $image, 0, 0, 0, 0, $newWidth, $newHeight, $width, $height);

// Output the modified image
header('Content-Type: image/jpeg');
imagejpeg($newImage);
imagedestroy($image);
imagedestroy($newImage);

Keywords

PHP manual image manipulation functions search documentation

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