Knowledge Base Articles Not Showing Publicly: Root Cause Analysis and Permanent Resolution

A common issue in custom Knowledge Base (KB) systems is a mismatch between articles visible in the database and articles displayed on the public KB pages. This typically occurs due to visibility flags, publishing states, or filtering logic applied at the application layer.

This Knowledge Base article documents a real-world troubleshooting case where newly created KB articles appeared in SQL but were not visible on the public KB pages—and explains how to identify the root cause, apply the correct fix, and prevent recurrence.

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Problem Statement

• Newly created KB articles are visible in the database (SQL/phpMyAdmin)

• Article IDs increment correctly (e.g., 429, 430)

• Articles do not appear on the public Knowledge Base pages

• No SQL errors or PHP errors are reported

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Technical Explanation

Why This Happens

Most KB systems do not display all database records by default. Instead, frontend queries filter articles based on one or more internal flags such as:

• Publish status

• Visibility type

• Article state (draft, public, internal)

• Special or system markers

In this specific KB schema, article visibility is controlled by the column:

type ENUM('0','1','2')

Despite the confusing name, this column determines whether an article is public or hidden.

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Visibility Logic (Confirmed Behavior)

Based on observed system behavior:

Important:
This logic is inverted compared to many modern systems. In this KB, published articles use type = '0'.

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Root Cause

• Newly created articles were saved with type = '1' or type = '2'

• Public KB pages filter articles using:

  WHERE type = '0'
  

• As a result, those articles were correctly excluded from public display

This is not a database bug, not a PHP bug, and not a caching issue.

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Step-by-Step Solution

Step 1: Identify the Article Visibility State

SELECT id, subject, type
FROM tickettablekb_articles
WHERE id IN (429, 430);

If type is not 0, the article will not appear publicly.

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Step 2: Publish the Articles (Make Them Public)

UPDATE tickettablekb_articles
SET type = '0'
WHERE id IN (429, 430);

✔ Changes take effect immediately
✔ No service restart required

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Step 3: Verify Public Visibility

SELECT COUNT(*) AS public_articles
FROM tickettablekb_articles
WHERE type = '0';

This count should now match the number of articles shown on the KB page.

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Use Cases

When This Issue Commonly Appears

• After adding new KB articles via admin panel

• After modifying editor or save logic

• After importing articles from another system

• During KB migrations or schema reuse

Who Is Affected

• KB administrators

• Content editors

• IT support teams

• Developers maintaining custom KB systems

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Commands and Examples

Compare Visible vs Hidden Articles

SELECT id, subject, type
FROM tickettablekb_articles
ORDER BY id DESC
LIMIT 10;

List Hidden Articles

SELECT id, subject
FROM tickettablekb_articles
WHERE type != '0';

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Common Issues & Fixes

Issue: Article exists in SQL but not on KB

Fix:
Set type = '0'

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Issue: New articles always save as hidden

Fix:
Check admin save logic and default value assignment

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Issue: Confusion about publish status

Fix:
Document type column behavior or rename at code level

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Security Considerations

• Avoid auto-publishing sensitive/internal articles

• Ensure only authorized users can change article visibility

• Audit changes to the type column

• Maintain role-based access control in admin UI

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Best Practices

• Clearly document visibility logic (type meanings)

• Add labels in admin UI (Published / Draft / Special)

• Validate article state before saving

• Periodically audit hidden articles

• Avoid ambiguous column names in future schema designs

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Conclusion

When KB articles appear in SQL but not on public pages, the issue is almost always due to visibility filtering rather than missing data. In this KB system, the type column controls publication state, with type = '0' representing published content.

Understanding and documenting this logic ensures:

• Faster troubleshooting

• Fewer publishing mistakes

• Stable and predictable KB behavior

With the correct visibility flag applied, articles become publicly visible immediately and consistently.

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knowledge base articles not showing kb articles visibility issue php knowledge base troubleshooting sql articles not visible kb publish status issue tickettablekb_articles kb type column article visibility flag kb draft vs published php mysql kno