increase upload limit php how? code example

Example 1: php maxupload

; Maximum allowed size for uploaded files.
upload_max_filesize = 40M

; Must be greater than or equal to upload_max_filesize
post_max_size = 40M

Example 2: increase the 'post_max_size'

# php.ini

memory_limit=2048M
post_max_size=512M
upload_max_filesize=512M