PHP Imagick setLastIterator () function

PHP

Syntax:
bool Imagick::setLastIterator (void)
Parameters:This function takes no parameters.Return Value:This function returns TRUE on success.Exceptions :this function throws an ImagickException on error.The following programs illustrate the Imagick::setLastIterator() functionin PHP:Program 1: < tbody>  
// Create a new imagick object $imagick = new Imagick ( ' https://media.engineerforengineer.org/wp-content/uploads/engineerforengineer-9.png ' );  
// Add a new image to the same object, this is
// will automatically move the index to the new one
// the image that is added. $imagick -> addImage ( new Imagick ( ' https://media.engineerforengineer.org/wp-content/uploads/20190918234528/colorize1.png ' ));  
// Move cursor to first image $imagick -> setFirstIterator(); echo ' Index before setLastIterator() is ' . $imagick -> getIteratorIndex(). '< br >' ;  
// Set the Imagick iterator for the last image $imagick -> setLastIterator(); echo ' Index after setLastIterator() is ' . $imagick -> getIteratorIndex(). '< br >' ; ?>
Output:
Index before setLastIterator() is 0 Index after setLastIterator() is 1
Program 2:  
// Create a new imagick object $imagick = new Imagick();  
// Array of images $images = [ ' https://media.engineerforengineer.org/wp-content/uploads/ engineerforengineer-13.png ' , ' https://media.engineerforengineer.org/wp-content/uploads/20190918234528/ colorize1.png ' , ' https://media.engineerforengineer.org/wp-content/uploads/engineerforengineer-13. png ' , ' https://media.engineerforengineer.org/wp-content/uploads/20190918234528/colorize1.png ' , ' https:// media.engineerforengineer.org/wp-content/uploads/engineerforengineer-13.png '
];  
// Read images $imagick -> readImages ( $images );  
// Move iterator to first image $imagick -> setFirstIterator(); echo ' Index before setLastIterator() is ' . $imagick -> getIteratorIndex(). '< br >' ;  
// Set the Imagick iterator for the last image $imagick -> setLastIterator(); echo ' Index after setLastIterator() is ' . $imagick -> getIteratorIndex(). '< br >' ; ?>
Output:
Index before setLastIterator() is 0 Index after setLastIterator() is 4
Link: https://www.php.net/manual/en/imagick.setlastiterator.php