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Imagick::pingImageBlob

(PECL imagick 2.0.0)

Imagick::pingImageBlob — Quickly fetch attributes

Description

代码语言:javascript
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bool Imagick::pingImageBlob ( string $image )

This method can be used to query image width, height, size, and format without reading the whole image to memory. This method is available if Imagick has been compiled against ImageMagick version 6.2.9 or newer.

Parameters

image

A string containing the image.

Return Values

Returns TRUE on success.

Examples

Example #1 Using Imagick::pingImageBlob()

Pinging an image from a string

代码语言:javascript
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<?php
/*?read?image?contents?*/
$image?=?file_get_contents("test.jpg");

/*?create?new?imagick?object?*/
$im?=?new?Imagick();

/*?pass?the?string?to?the?imagick?object?*/
$im->pingImageBlob($image);

/*?output?image?width?and?height?*/
echo?$im->getImageWidth()?.?'x'?.?$im->getImageHeight();
?>

See Also

  • Imagick::pingImage() - Fetch basic attributes about the image
  • Imagick::pingImageFile() - Get basic image attributes in a lightweight manner
  • Imagick::readImage() - Reads image from filename
  • Imagick::readImageBlob() - Reads image from a binary string
  • Imagick::readImageFile() - Reads image from open filehandle

← Imagick::pingImage

Imagick::pingImageFile →

代码语言:txt
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 ? 1997–2017 The PHP Documentation Group

Licensed under the Creative Commons Attribution License v3.0 or later.

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