What is the definite article rule in «الْفِيلِ»?

Al-Fīl and Quraysh: Applied Iẓhār, Ikhfāʾ, Idghām, Madd and Waqf

• Sun-letter lām assimilated into fāʾ
• Qalqalah
• Ikhfāʾ shafawī
• Moon-letter lām, pronounced clearly