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ChrisLTD/functions.php

Created May 8, 2014 16:22
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Fix so you can preview ACF field changes in Wordpress admin
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functions.php
<?php
/*
Debug preview with custom fields
Taken from: http://support.advancedcustomfields.com/forums/topic/preview-solution/
See also: http://support.advancedcustomfields.com/forums/topic/2nd-every-other-post-preview-throws-notice/
*/
add_filter('_wp_post_revision_fields', 'add_field_debug_preview');
function add_field_debug_preview($fields){
$fields["debug_preview"] = "debug_preview";
return $fields;
}
add_action( 'edit_form_after_title', 'add_input_debug_preview' );
function add_input_debug_preview() {
echo '<input type="hidden" name="debug_preview" value="debug_preview">';
}
@amrikarisma
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amrikarisma commented Jan 24, 2023 •
edited

Thank you. In 2023 it still works.

@codeandvisual
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This appears to no longer work as of June 2023. WP 6.2.2, ACF Pro 6.1.6. Revisions enabled.

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