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fix #64581 - Display serialized option values instead of placeholder text #10853

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fix #64581 - Display serialized option values instead of placeholder text #10853

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66 changes: 53 additions & 13 deletions src/wp-admin/options.php
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Original file line number Diff line number Diff line change
Expand Up @@ -414,17 +414,14 @@
}

if ( is_serialized( $option->option_value ) ) {
if ( is_serialized_string( $option->option_value ) ) {
// This is a serialized string, so we should display it.
$value = maybe_unserialize( $option->option_value );
$options_to_update[] = $option->option_name;
} else {
$value = 'SERIALIZED DATA';
$disabled = true;
}
$value = maybe_unserialize( $option->option_value );
$disabled = true;
$options_to_update[] = $option->option_name;
$is_serialized = true;
} else {
$value = $option->option_value;
$options_to_update[] = $option->option_name;
$is_serialized = false;
}

$class = 'all-options';
Expand All @@ -438,11 +435,35 @@
<tr>
<th scope="row"><label for="<?php echo $name; ?>"><?php echo esc_html( $option->option_name ); ?></label></th>
<td>
<?php if ( str_contains( $value, "\n" ) ) : ?>
<textarea class="<?php echo $class; ?>" name="<?php echo $name; ?>" id="<?php echo $name; ?>" cols="30" rows="5"><?php echo esc_textarea( $value ); ?></textarea>
<?php else : ?>
<input class="regular-text <?php echo $class; ?>" type="text" name="<?php echo $name; ?>" id="<?php echo $name; ?>" value="<?php echo esc_attr( $value ); ?>"<?php disabled( $disabled, true ); ?> />
<?php endif; ?></td>
<?php if ( $is_serialized && ( is_array( $value ) || is_object( $value ) ) ) : ?>
<button
type="button"
class="toggle-serialized button button-secondary"
data-target="opt-<?php echo esc_attr( $name ); ?>">
Show (SERIALIZED DATA)
</button>

<pre
id="opt-<?php echo esc_attr( $name ); ?>"
style="display:none; margin-top:8px; max-height:300px; overflow:auto; background:#f6f7f7; padding:10px;">
<?php echo esc_html( print_r( $value, true ) ); ?>

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</pre>

<?php elseif ( str_contains( (string) $value, "\n" ) ) : ?>
<textarea
class="<?php echo $class; ?>"
disabled="disabled"
cols="30"
rows="5"><?php echo esc_textarea( $value ); ?></textarea>

<?php else : ?>
<input
class="regular-text <?php echo $class; ?>"
type="text"
value="<?php echo esc_attr( $value ); ?>"
disabled="disabled" />
<?php endif; ?>

</tr>
<?php endforeach; ?>
</table>
Expand All @@ -454,5 +475,24 @@
</form>
</div>

<script>
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@huzaifaalmesbah huzaifaalmesbah Feb 3, 2026

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Could we place this JavaScript in an external file and load it via wp_enqueue_script() for better maintainability?

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@Presskopp Presskopp Feb 3, 2026

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I think we should first wait for a dev feedback on the feasibility of this overall concept. Then we can talk about the specific details.

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@anatolinicolae anatolinicolae Feb 3, 2026 •
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What about a native approach instead? Like relying on the <details> tag that basically does the same thing as this JS. I'll give it a try locally later anyway 👍

document.addEventListener('click', function (e) {
if (!e.target.classList.contains('toggle-serialized')) {
return;
}

const targetId = e.target.getAttribute('data-target');
const el = document.getElementById(targetId);

if (!el) {
return;
}

const open = el.style.display === 'block';
el.style.display = open ? 'none' : 'block';
e.target.textContent = open ? 'Show' : 'Hide';
});
</script>

<?php
require_once ABSPATH . 'wp-admin/admin-footer.php';
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