Advanced Custom Field - Image Field - Get Cropped image

gistfile1.php

/*
** ACF Image Helper
**
** @Param $imageId: int - image ID you are using
** @Param $size: string - image size you want to retrieve
** @Param $fieldName: string (optional) - name of the image field within the repeater
** @Return Array - image url and alt text for image
**
*/
function tmbr_get_cropped_image( $imageId, $size ) {
	$image = array();
	$imageArr = wp_get_attachment_image_src( $imageId, $size );
	$image['url'] = $imageArr[0];
	$image['alt'] = tmbr_get_alt( $imageId );
	return $image;
}