ap_user_can_answer( mixed $question_id, boolean|integer $user_id = false )

Description #

Check if a user can answer on a question.

Parameters #

$question_id
mixed (Required) Question id or object.
$user_id
boolean | integer (Optional) User ID. Default value: false

Changelog #

Version	Description
4.1.0	Check if `$question_id` argument is a valid question CPT ID. Updated to use new option post_answer_per. Also removed checking of option only_admin_can_answer. Fixed: anonymous cannot answer if allow op to answer option is unchecked.
2.4.6	Introduced.

Source #

File: includes/class/roles-cap.php

function ap_user_can_answer( $question_id, $user_id = false ) {
    if ( false === $user_id ) {
        $user_id = get_current_user_id();
    }
 
    $question = ap_get_post( $question_id );
 
    // Return false if not a question.
    if ( ! $question || 'question' !== $question->post_type ) {
        return false;
    }
 
    if ( is_super_admin( $user_id ) ) {
        return true;
    }
 
    /**
     * Allow overriding of ap_user_can_answer.
     *
     * @param boolean|string $filter        Apply this filter, default is empty string.
     * @param integer          $question_id     Question ID.
     * @param integer          $user_id         User ID.
     * @since 2.4.6          Added 2 new arguments `$question_id` and `$user_id`.
     */
    $filter = apply_filters( 'ap_user_can_answer', '', $question->ID, $user_id );
 
    if ( true === $filter ) {
        return true;
    } elseif ( false === $filter ) {
        return false;
    }
 
    // Return if user cannot read question.
    if ( ! ap_user_can_read_question( $question_id, $user_id ) ) {
        return false;
    }
 
    // Do not allow to answer if best answer is selected.
    if ( ap_opt( 'close_selected' ) && ap_have_answer_selected( $question->ID ) ) {
        return false;
    }
 
    // Bail out if question is closed.
    if ( is_post_closed( $question ) ) {
        return false;
    }
 
    // Check if user is original poster and dont allow them to answer their own question.
    if ( is_user_logged_in() && ap_opt( 'disallow_op_to_answer' ) && ! empty( $question->post_author ) && $question->post_author == $user_id ) { // phpcs:ignore Universal.Operators.StrictComparisons.LooseEqual
        return false;
    }
 
    // Check if user already answered and if multiple answer disabled then don't allow them to answer.
    if ( is_user_logged_in() && ! ap_opt( 'multiple_answers' ) && ap_is_user_answered( $question->ID, $user_id ) ) {
        return false;
    }
 
    $option = ap_opt( 'post_answer_per' );
    if ( 'have_cap' === $option && is_user_logged_in() && user_can( $user_id, 'ap_new_answer' ) ) {
        return true;
    } elseif ( 'logged_in' === $option && is_user_logged_in() ) {
        return true;
    } elseif ( 'anyone' === $option ) {
        return true;
    }
 
    return false;
}