<?php
/**
** A base module for [quiz]
**/
/* form_tag handler */
add_action( 'wpcf7_init', 'wpcf7_add_form_tag_quiz', 10, 0 );
function wpcf7_add_form_tag_quiz() {
wpcf7_add_form_tag( 'quiz',
'wpcf7_quiz_form_tag_handler',
array(
'name-attr' => true,
'do-not-store' => true,
'not-for-mail' => true,
)
);
}
function wpcf7_quiz_form_tag_handler( $tag ) {
if ( empty( $tag->name ) ) {
return '';
}
$validation_error = wpcf7_get_validation_error( $tag->name );
$class = wpcf7_form_controls_class( $tag->type );
if ( $validation_error ) {
$class .= ' wpcf7-not-valid';
}
$atts = array();
$atts['size'] = $tag->get_size_option( '40' );
$atts['maxlength'] = $tag->get_maxlength_option();
$atts['minlength'] = $tag->get_minlength_option();
if ( $atts['maxlength'] and $atts['minlength']
and $atts['maxlength'] < $atts['minlength'] ) {
unset( $atts['maxlength'], $atts['minlength'] );
}
$atts['class'] = $tag->get_class_option( $class );
$atts['id'] = $tag->get_id_option();
$atts['tabindex'] = $tag->get_option( 'tabindex', 'signed_int', true );
$atts['autocomplete'] = 'off';
$atts['aria-required'] = 'true';
if ( $validation_error ) {
$atts['aria-invalid'] = 'true';
$atts['aria-describedby'] = wpcf7_get_validation_error_reference(
$tag->name
);
} else {
$atts['aria-invalid'] = 'false';
}
$pipes = $tag->pipes;
if ( $pipes instanceof WPCF7_Pipes
and ! $pipes->zero() ) {
$pipe = $pipes->random_pipe();
$question = $pipe->before;
$answer = $pipe->after;
} else {
// default quiz
$question = '1+1=?';
$answer = '2';
}
$answer = wpcf7_canonicalize( $answer, array(
'strip_separators' => true,
) );
$atts['type'] = 'text';
$atts['name'] = $tag->name;
$html = sprintf(
'<span class="wpcf7-form-control-wrap" data-name="%1$s"><label><span class="wpcf7-quiz-label">%2$s</span> <input %3$s /></label><input type="hidden" name="_wpcf7_quiz_answer_%4$s" value="%5$s" />%6$s</span>',
esc_attr( $tag->name ),
esc_html( $question ),
wpcf7_format_atts( $atts ),
$tag->name,
wp_hash( $answer, 'wpcf7_quiz' ),
$validation_error
);
return $html;
}
/* Validation filter */
add_filter( 'wpcf7_validate_quiz', 'wpcf7_quiz_validation_filter', 10, 2 );
function wpcf7_quiz_validation_filter( $result, $tag ) {
$name = $tag->name;
$answer = wp_unslash( $_POST[$name] ?? '' );
$answer = wpcf7_canonicalize( $answer, array(
'strip_separators' => true,
) );
$answer_hash = wp_hash( $answer, 'wpcf7_quiz' );
$expected_hash = (string) ( $_POST['_wpcf7_quiz_answer_' . $name] ?? '' );
if ( ! hash_equals( $expected_hash, $answer_hash ) ) {
$result->invalidate( $tag, wpcf7_get_message( 'quiz_answer_not_correct' ) );
}
return $result;
}
/* Ajax echo filter */
add_filter( 'wpcf7_refill_response', 'wpcf7_quiz_ajax_refill', 10, 1 );
add_filter( 'wpcf7_feedback_response', 'wpcf7_quiz_ajax_refill', 10, 1 );
function wpcf7_quiz_ajax_refill( $items ) {
if ( ! is_array( $items ) ) {
return $items;
}
$fes = wpcf7_scan_form_tags( array( 'type' => 'quiz' ) );
if ( empty( $fes ) ) {
return $items;
}
$refill = array();
foreach ( $fes as $fe ) {
$name = $fe['name'];
$pipes = $fe['pipes'];
if ( empty( $name ) ) {
continue;
}
if ( $pipes instanceof WPCF7_Pipes
and ! $pipes->zero() ) {
$pipe = $pipes->random_pipe();
$question = $pipe->before;
$answer = $pipe->after;
} else {
// default quiz
$question = '1+1=?';
$answer = '2';
}
$answer = wpcf7_canonicalize( $answer, array(
'strip_separators' => true,
) );
$refill[$name] = array( $question, wp_hash( $answer, 'wpcf7_quiz' ) );
}
if ( ! empty( $refill ) ) {
$items['quiz'] = $refill;
}
return $items;
}
/* Messages */
add_filter( 'wpcf7_messages', 'wpcf7_quiz_messages', 10, 1 );
function wpcf7_quiz_messages( $messages ) {
$messages = array_merge( $messages, array(
'quiz_answer_not_correct' => array(
'description' =>
__( "Sender does not enter the correct answer to the quiz", 'contact-form-7' ),
'default' =>
__( "The answer to the quiz is incorrect.", 'contact-form-7' ),
),
) );
return $messages;
}
/* Tag generator */
add_action( 'wpcf7_admin_init', 'wpcf7_add_tag_generator_quiz', 40, 0 );
function wpcf7_add_tag_generator_quiz() {
$tag_generator = WPCF7_TagGenerator::get_instance();
$tag_generator->add( 'quiz', __( 'quiz', 'contact-form-7' ),
'wpcf7_tag_generator_quiz',
array( 'version' => '2' )
);
}
function wpcf7_tag_generator_quiz( $contact_form, $options ) {
$field_types = array(
'quiz' => array(
'display_name' => __( 'Quiz', 'contact-form-7' ),
'heading' => __( 'Quiz form-tag generator', 'contact-form-7' ),
'description' => __( 'Generates a form-tag for a <a href="https://contactform7.com/quiz/">quiz</a>.', 'contact-form-7' ),
),
);
$tgg = new WPCF7_TagGeneratorGenerator( $options['content'] );
?>
<header class="description-box">
<h3><?php
echo esc_html( $field_types['quiz']['heading'] );
?></h3>
<p><?php
$description = wp_kses(
$field_types['quiz']['description'],
array(
'a' => array( 'href' => true ),
'strong' => array(),
),
array( 'http', 'https' )
);
echo $description;
?></p>
</header>
<div class="control-box">
<?php
$tgg->print( 'field_type', array(
'select_options' => array(
'quiz' => $field_types['quiz']['display_name'],
),
) );
$tgg->print( 'field_name' );
$tgg->print( 'class_attr' );
?>
<fieldset>
<legend id="<?php echo esc_attr( $tgg->ref( 'selectable-values-legend' ) ); ?>"><?php
echo esc_html( __( 'Questions and answers', 'contact-form-7' ) );
?></legend>
<?php
echo sprintf(
'<span %1$s>%2$s</span>',
wpcf7_format_atts( array(
'id' => $tgg->ref( 'selectable-values-description' ),
) ),
esc_html( __( "One pipe-separated question-answer pair (question|answer) per line.", 'contact-form-7' ) )
);
?>
<br />
<?php
echo sprintf(
'<textarea %1$s>%2$s</textarea>',
wpcf7_format_atts( array(
'required' => true,
'data-tag-part' => 'value',
'aria-labelledby' => $tgg->ref( 'selectable-values-legend' ),
'aria-describedby' => $tgg->ref( 'selectable-values-description' ),
) ),
esc_html( __( "The capital of Brazil? | Rio", 'contact-form-7' ) )
);
?>
</fieldset>
</div>
<footer class="insert-box">
<?php
$tgg->print( 'insert_box_content' );
?>
</footer>
<?php
}