show custom fields only with custom prefix

  • I have a couple of different custom fields. For example:

    • wp_set
    • wp_media
    • wp_video
    • images
    • dancing

    How can I show in posts only custom fields with prefix “wp_”?

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  • Just compare the first 3 string in the key, like

    if ( substr($key, 0, 3) == "wp_" ) {
     ... display content ...
}
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