PHP | Imagick hasNextImage() Function

0 0 1 minute read

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:

<?php 
  
// Create a new imagick object 
$imagick = new Imagick( 
'https://media.zambiatek.com/wp-content/uploads/zambiatek-13.png'); 
  
// 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.'; 
} 
?> 

Output:

No, there is no next image.

Program 2:

<?php 
  
// Create a new imagick object 
$imagick = new Imagick( 
'https://media.zambiatek.com/wp-content/uploads/zambiatek-13.png'); 
  
// Add a image to imagick object 
$imagick->addImage(new Imagick( 
'https://media.zambiatek.com/wp-content/uploads/zambiatek-13.png')); 
  
// 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.'; 
} 
?> 