Whether to use the default submit button or not during checkout. This filter can be used to output a custom submit button in the callback if false is returned.

/**
 * Whether to use the default submit button or not during checkout.
 *
 * @param bool true to use the submission button (default), false if not.
 *
 * @return bool true to use the default submission button, false if not.
 */
apply_filters( 'pmpro_checkout_default_submit_button', true );

Parameters

true|false
bool

Return Value

true or false

Source

File: https://github.com/strangerstudios/paid-memberships-pro/blob/master/pages/checkout.php

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