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FILE UPLOAD VERIFICATION DIAGNOSTIC
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[1] Checking if file exists...
    ✅ File exists

[2] Reading file content...
    ✅ File readable
    File size: 35,503 bytes

[3] Extracting critical lines...
    Total lines: 864

[4] CRITICAL CHECK - Line 547 (the bug location):
    Line 547: return [];

    ⚠️ UNEXPECTED: Line 547 doesn't match expected pattern
    Content:             return [];

[5] Searching for ALL instances of 'ORDER BY height'...
    ✅ No bugs found! All SQL queries use 'block_height'

[6] File modification time:
    Last modified: 2025-10-23 03:51:20
    Time since modification: 67101.6 minutes ago

[7] PHP OPcache status:
    ✅ OPcache is disabled

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END OF DIAGNOSTIC
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