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Please note that this will requires v3.0 rc 10 and later.
How to make my code into ESI block
add following code
apply_filters( 'litespeed_esi_url', 'my_esi_block', 'Custom ESI block' );
to where you want to insert the block, for example :
some_code_here <div> apply_filters( 'litespeed_esi_url', 'my_esi_block', 'Custom ESI block' ); </div> some_code_here
and then add following code into your theme's functions.php:
add_action( 'litespeed_esi_load-my_esi_block', 'my_esi_block_esi_load' ); function my_esi_block_esi() { echo "Hello world"; }
where my_esi_block is the block name , for your convenience , Custom ESI block is short comment