PHP | Imagick setFirstIterator() function Last Updated : 17 Dec, 2019 Comments Improve Suggest changes Like Article Like Report The Imagick::setFirstIterator() function is an inbuilt function in PHP which is used to set the Imagick iterator to the first image. Syntax: bool Imagick::setFirstIterator( void ) Parameters: This function doesn’t accept any parameter. Return Value: This function returns TRUE on success. Exceptions: This function throws ImagickException on error. Below given programs illustrate the Imagick::setFirstIterator() function in PHP: Program 1: php <?php // Create a new imagick object $imagick = new Imagick( 'https://media.geeksforgeeks.org/wp-content/uploads/geeksforgeeks-9.png'); // Add a new image to same object, this // will automatically move index to new // image which is added. $imagick->addImage(new Imagick( 'https://media.geeksforgeeks.org/wp-content/uploads/20190918234528/colorize1.png')); echo 'Index before setFirstIterator(); is ' . $imagick->getIteratorIndex() .'<br>'; // Set the Imagick iterator to the first image $imagick->setFirstIterator(); echo 'Index after setFirstIterator(); is ' . $imagick->getIteratorIndex() .'<br>'; ?> Output: Index before setFirstIterator(); is 1 Index after setFirstIterator(); is 0 Program 2: php <?php // Create a new imagick object $imagick = new Imagick(); // Array of images $images = [ 'https://media.geeksforgeeks.org/wp-content/uploads/geeksforgeeks-13.png', 'https://media.geeksforgeeks.org/wp-content/uploads/20190918234528/colorize1.png', 'https://media.geeksforgeeks.org/wp-content/uploads/geeksforgeeks-13.png' ]; // Read the images $imagick->readImages($images); echo 'Index before setFirstIterator(); is ' . $imagick->getIteratorIndex() . '<br>'; // Set the Imagick iterator to the first image $imagick->setFirstIterator(); echo 'Index after setFirstIterator(); is ' . $imagick->getIteratorIndex() . '<br>'; ?> Output: Index before setFirstIterator(); is 2 Index after setFirstIterator(); is 0 Reference: https://www.php.net/manual/en/imagick.setfirstiterator.php Comment More infoAdvertise with us Next Article PHP | Imagick setFirstIterator() function gurrrung Follow Improve Article Tags : Web Technologies PHP PHP-function PHP-Imagick Similar Reads PHP | Imagick setLastIterator() Function The Imagick::setLastIterator() function is an inbuilt function in PHP which is used to set the Imagick iterator to the last image. Syntax: bool Imagick::setLastIterator( void ) Parameters: This function doesn’t accepts any parameter. Return Value: This function returns TRUE on success. 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