LLMS_Session::get_cookie()

Retrieve an validate the session cookie

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(false|mixed[])

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File: includes/class.llms.session.php

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protected function get_cookie() {
 
    $value = isset( $_COOKIE[ $this->cookie ] ) ? sanitize_text_field( wp_unslash( $_COOKIE[ $this->cookie ] ) ) : false;
 
    if ( empty( $value ) || ! is_string( $value ) ) {
        return false;
    }
 
    /**
     * Explode the cookie into it's parts.
     *
     * @param string|int $0 User ID.
     * @param int        $1 Expiration timestamp.
     * @param int        $2 Expiration variance timestamp.
     * @param string     $3 Cookie hash.
     */
    $parts = explode( '||', $value );
 
    if ( empty( $parts[0] ) || empty( $parts[3] ) ) {
        return false;
    }
 
    $hash_str = sprintf( '%1$s|%2$s', $parts[0], $parts[1] );
    $expected = hash_hmac( 'md5', $hash_str, wp_hash( $hash_str ) );
 
    if ( ! hash_equals( $expected, $parts[3] ) ) {
        return false;
    }
 
    return $parts;
 
}

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Version Description
4.0.0 Introduced.

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