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Home/ Questions/Q 5943181
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Editorial Team
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Editorial Team
Asked: May 22, 20262026-05-22T16:21:30+00:00 2026-05-22T16:21:30+00:00

I want to have a Hierarchical Data in select box with php: But when

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I want to have a Hierarchical Data in select box with php:

enter image description here

But when I use optgroup, the <optgroup> couldnt have a value.
Is there any way to have a Hierarchical Data like this image?
Thanks in advance

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  1. Editorial Team
    Editorial Team
    2026-05-22T16:21:31+00:00Added an answer on May 22, 2026 at 4:21 pm

    Optgroup isn’t selectable either.

    I always use indenting with &nbsp; to create an hierarchical select box.

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