PHP | Imagick hasNextImage() Function

The Imagick::hasNextImage() function is an inbuilt function in PHP which is used to check if the object has more images.

Syntax:

bool Imagick::hasNextImage( void )

Parameters: This function doesn’t accepts any parameter.

Return Value: This function returns a boolean value containing TRUE if the object has more images when traversing the list in the forward direction or FALSE if there are none.

Exceptions: This function throws ImagickException on error.



Below given programs illustrate the Imagick::hasNextImage() function in PHP:

Program 1:

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<?php
  
// Create a new imagick object
$imagick = new Imagick(
  
// Checking if there is any next image
$hasNextImage = $imagick->hasNextImage();
  
if ($hasNextImage) {
    echo 'Yes, next image is there.';
} else {
    echo 'No, there is no next image.';
}
?>

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Output:

No, there is no next image.

Program 2:

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<?php
  
// Create a new imagick object
$imagick = new Imagick(
  
// Add a image to imagick object
$imagick->addImage(new Imagick(
  
// Move the cursor to first image
$imagick->setIteratorIndex(0);
  
// Checking if there is any next image
$hasNextImage = $imagick->hasNextImage();
  
if ($hasNextImage) {
    echo 'Yes, next image is there.';
} else {
    echo 'No, there is no next image.';
}
?>

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Output:

Yes, next image is there.

Reference: https://www.php.net/manual/en/imagick.hasnextimage.php




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