Thumb Resizer with BFI_thumb WordPress

Readme.txt

Usage:
Download BFI_thumb.php file from https://github.com/bfintal/bfi_thumb and copy it into your 'inc' folder of your theme. 
<img src="<?php echo code_project_img( $thumb_size, $image_width, $image_height );?> />

functions.php

<?php 
require get_template_directory() . '/inc/BFI_Thumb.php';

/**
 * [code_project_img bfi thumb src inside loop]
 * @param  [string] $thumb_size   [wp thumb size]
 * @param  [int] $image_width  [width to crop]
 * @param  [int] $image_height [height to crop]
 * @return [string]  $custom_img_src [src of cropped image]
 */
function code_project_img( $thumb_size, $image_width, $image_height ) {
  global $post;
  $params = array( 'width' => $image_width, 'height' => $image_height );
  $imgsrc = wp_get_attachment_image_src( get_post_thumbnail_id( $post->ID, '' ), $thumb_size );
  $custom_img_src = bfi_thumb( $imgsrc[0], $params );
  return $custom_img_src;
}

/**
 * [code_project_img_by_id bfi thumb src outside loop]
 * @param  [int] $post_id      [post id of the post]
 * @param  [string] $thumb_size   [wp thumb size]
 * @param  [int] $image_width  [width to crop]
 * @param  [int] $image_height [height to crop]
 * @return [string] $custom_img_src  [src of cropped image]
 */
function code_project_img_by_id( $post_id, $thumb_size, $image_width, $image_height ) {
    $params = array( 'width' => $image_width, 'height' => $image_height );
    $imgsrc = wp_get_attachment_image_src( get_post_thumbnail_id( $post_id, '' ), $thumb_size );
    $custom_img_src = bfi_thumb( $imgsrc[0], $params );
    return $custom_img_src;
}

/**
 * [code_no_image_thumb_placeholder post archive thumb of no image placeholder]
 * @return [string] [cropped image tag of no image place holder]
 */
function code_no_image_thumb_placeholder( $thumb_width = '560', $thumb_height = '320' ) {
    $params = array( 'width' => $thumb_width, 'height' => $thumb_height );
    $bfi_image_size = bfi_thumb( get_template_directory_uri().'/img/no-img-available.jpg', $params );
    return '<img src="'.$bfi_image_size.'" alt="no-image"/>';
}

/**
 * [code_no_image_full_placeholder full width thumb of no image placeholder]
 * @return [string] [cropped image tag of no image place holder]
 */
function code_no_image_full_placeholder( $full_width = '1170', $full_height = '420' ) {
    $params = array( 'width' => 1170, 'height' => 420 );
    $bfi_image_size = bfi_thumb( get_template_directory_uri().'/img/single-no-img-available.jpg', $params );
    return '<img src="'.$bfi_image_size.'" alt="no-image" class="featured-image"/>';
}