Things to check when setting up uploading for PHP

max_execution_time = 60 ; Maximum execution time of each script, in seconds
max_input_time = 90 ; Maximum amount of time each script may spend parsing request data
memory_limit = 30M ; Maximum amount of memory a script may consume (16MB)

; Maximum size of POST data that PHP will accept.
post_max_size = 100M

; Whether to allow HTTP file uploads.
file_uploads = On

; Temporary directory for HTTP uploaded files (will use system default if not
; specified).
;upload_tmp_dir =

; Maximum allowed size for uploaded files.
upload_max_filesize = 100M