imagescale

Description
Syntax
Examples
Links

Description

The imagescale of Image for PHP scale an image using the given new width and height.

Syntax

imagescale(
    GdImage $image,
    int $width,
    int $height = -1,
    int $mode = IMG_BILINEAR_FIXED
): GdImage|false

Parameters

image

A GdImage object, returned by one of the image creation functions, such as imagecreatetruecolor().

width

The width to scale the image to.

height

The height to scale the image to. If omitted or negative, the aspect ratio will be preserved.

mode

One of IMG_NEAREST_NEIGHBOUR, IMG_BILINEAR_FIXED, IMG_BICUBIC, IMG_BICUBIC_FIXED or anything else (will use two pass).

Note: IMG_WEIGHTED4 is not yet supported.

Return

Return the scaled image object on success or false on failure.

Examples

1 · return

<?

$width = 100;
$height = 100;
$image = imagecreate($width, $height);

$return = imagescale($image, $width);

var_dump($return);

object(GdImage)#2 (0) {
}

2 · base64 · image width

<?

$filename = $_SERVER['DOCUMENT_ROOT'] . '/assets/png/Happy.png';
$image = imagecreatefrompng($filename);

$width = 200;
$image = imagescale($image, $width);

ob_start();

    imagepng($image);

$output = ob_get_clean();

echo '<!doctype html>
<html>
<body>
    <img src="data:image/png;base64,' . base64_encode($output) . '">
</body>
</html>';

<!doctype html>
<html>
<body>
    <img src="data:image/png;base64,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">
</body>
</html>

3 · base64 · height

<?

$filename = $_SERVER['DOCUMENT_ROOT'] . '/assets/png/Happy.png';
$image = imagecreatefrompng($filename);

$width = 200;
$height = 300;
$image = imagescale($image, $width, $height);

ob_start();

    imagepng($image);

$output = ob_get_clean();

echo '<!doctype html>
<html>
<body>
    <img src="data:image/png;base64,' . base64_encode($output) . '">
</body>
</html>';

<!doctype html>
<html>
<body>
    <img src="data:image/png;base64,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">
</body>
</html>

4 · base64 · mode · IMG_NEAREST_NEIGHBOUR

<?

$filename = $_SERVER['DOCUMENT_ROOT'] . '/assets/png/Happy.png';
$image = imagecreatefrompng($filename);

$width = 200;
$height = 300;
$mode = IMG_NEAREST_NEIGHBOUR;
$image = imagescale($image, $width, $height, $mode);

ob_start();

    imagepng($image);

$output = ob_get_clean();

echo '<!doctype html>
<html>
<body>
    <img src="data:image/png;base64,' . base64_encode($output) . '">
</body>
</html>';

<!doctype html>
<html>
<body>
    <img src="data:image/png;base64,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">
</body>
</html>

5 · base64 · mode · IMG_BILINEAR_FIXED

<?

$filename = $_SERVER['DOCUMENT_ROOT'] . '/assets/png/Happy.png';
$image = imagecreatefrompng($filename);

$width = 200;
$height = 300;
$mode = IMG_BILINEAR_FIXED;
$image = imagescale($image, $width, $height, $mode);

ob_start();

    imagepng($image);

$output = ob_get_clean();

echo '<!doctype html>
<html>
<body>
    <img src="data:image/png;base64,' . base64_encode($output) . '">
</body>
</html>';

<!doctype html>
<html>
<body>
    <img src="data:image/png;base64,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">
</body>
</html>

6 · base64 · mode · IMG_BICUBIC

<?

$filename = $_SERVER['DOCUMENT_ROOT'] . '/assets/png/Happy.png';
$image = imagecreatefrompng($filename);

$width = 200;
$height = 300;
$mode = IMG_BICUBIC;
$image = imagescale($image, $width, $height, $mode);

ob_start();

    imagepng($image);

$output = ob_get_clean();

echo '<!doctype html>
<html>
<body>
    <img src="data:image/png;base64,' . base64_encode($output) . '">
</body>
</html>';

7 · base64 · mode · IMG_BICUBIC_FIXED

<?

$filename = $_SERVER['DOCUMENT_ROOT'] . '/assets/png/Happy.png';
$image = imagecreatefrompng($filename);

$width = 200;
$height = 300;
$mode = IMG_BICUBIC_FIXED;
$image = imagescale($image, $width, $height, $mode);

ob_start();

    imagepng($image);

$output = ob_get_clean();

echo '<!doctype html>
<html>
<body>
    <img src="data:image/png;base64,' . base64_encode($output) . '">
</body>
</html>';