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Editorial Team
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Asked: 2026-05-23T00:54:59+00:00

The youtube embed code’s general structure is like this: <iframe width=560 height=349 src=http://www.youtube.com/embed/MiYND_zvIc0 frameborder=0

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The youtube embed code’s general structure is like this:

<iframe width="560" height="349" src="http://www.youtube.com/embed/MiYND_zvIc0" frameborder="0" allowfullscreen></iframe>

I want users to upload this code to my SQL table and then I will retrieve and output all the embed codes from the SQL table. The problem is that I have no choice as to what width or height the iframe is going to be since the users are making the embed codes through youtube’s site.

Let’s say I have 20 instances of the code I posted above and I want to auto-resize all the iframes to 640 x 480 when they get retrieved. How do I do this?

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1 Answer

  1. Editorial Team

    first, use substr function with strpos to grab and save 3 things in you database:

    • youtube id
    • width
    • height

    second, use substr_replace function to change the value of all instances depending on your needs

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