php - Search results to display only results that match all terms -

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i'm new programming php beyond manipulating prewritten scripts , after lot of reading, , lessons on php searches, cannot find name for, or solution this. using hashtags example since that's want use, i'm looking have search page if search #php #stackoverflow #search bring results contained at least 3. result #php #search, or #php #stackoverflow not come because they're both missing 1 of terms criteria.

the idea search own database not through api or sites db.

i apologize if isn't right way ask/use stackoverflow, i've never posted here, browsed , read.

to simplify; there name/example share me when require search terms matched?


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