74bfcc38_namically__Resize_Image_in_PHP__Parameter
[0] zc [Values] 0, 1, 2, 3 [Meaning] Change the cropping and scaling settings [Parameter] 
zoom / crop
s o u r c e
w i d t h
h e i g h t
q u a l i t y
a l i g n m e n t
z o o m / c r o p
f i l t e r s
s h a r p e n
c a n v a s c o l o u r
c a n v a s t r a n s p a r e n c y
PHP Resize Images Dynamically. Resize Image in PHP
Parameter