Looking on the internet deeply has found these results:

for the purpose is the most popular phrase on the web.

for purpose 113,100,000 results on the web	for the purpose 1290,000,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
It doesn't look like this phrase is very popular! The search could not find any examples on the internet.	In addition, registered producers are required to declare the quantity of PGI peppers actually produced and marketed by means of entries in registers set up for the purpose. It must be possible to start machinery only by voluntary actuation of a control provided for the purpose. Specifically, they shall be checked either before passengers or at special locations set aside for the purpose. The technical facilities required for the purpose first need to be established in each Member State. We intend to coordinate national and EU control activities and to combine the funds earmarked for the purpose. Parliament must be provided with all the information and documents it requires for the purpose without delay. The coded data shall be entered in a register maintained for the purpose. The Commission accepts that more work is necessary to translate this strategy into specific plans and will use specific coordination structures for the purpose.

for purpose

113,100,000 results on the web

for the purpose

1290,000,000 results on the web

More popular!

It doesn't look like this phrase is very popular! The search could not find any examples on the internet.

In addition, registered producers are required to declare the quantity of PGI peppers actually produced and marketed by means of entries in registers set up for the purpose.
It must be possible to start machinery only by voluntary actuation of a control provided for the purpose.
Specifically, they shall be checked either before passengers or at special locations set aside for the purpose.
The technical facilities required for the purpose first need to be established in each Member State.
We intend to coordinate national and EU control activities and to combine the funds earmarked for the purpose.
Parliament must be provided with all the information and documents it requires for the purpose without delay.
The coded data shall be entered in a register maintained for the purpose.
The Commission accepts that more work is necessary to translate this strategy into specific plans and will use specific coordination structures for the purpose.