How can I check if an array contains a specific value in php

Question

I have a PHP variable of type Array and I would like find out if it contains a specific value and let the user know that it is there  This is my array   Array    0    gt  kitchen  1    gt  bedroom  2    gt  living room  3    gt  dining room     and I would like do something like   if Array contains  kitchen    echo  this array contains kitchen      What is the best way to do the above

User · Answer

if  in array  kitchen    rooms

User · Answer

Once upon a time there was a farmer     He had multiple haystacks  haystackOne   range 1  10    haystackTwo   range 11  20    haystackThree   range 21  30       In one of these haystacks he lost a needle  needle   rand 1  30       He wanted to know in what haystack his needle was    And so he programmed    if  in array  needle   haystackOne         echo  The needle is in haystack one     elseif  in array  needle   haystackTwo         echo  The needle is in haystack two     elseif  in array  needle   haystackThree         echo  The needle is in haystack three         The farmer now knew where to find his needle    And he lived happily ever after

User · Answer

Using dynamic variable for search in array      https   ideone com Pfb0Ou      array   array  kitchen    bedroom    living room    dining room        variable search     search    living room    if  in array  search   array         echo  this array contains  search     else     echo  this array NOT contains  search

User · Answer

You need to use a search algorithm on your array  It depends on how large is your array  you have plenty of choices on what to use  Or you can use on of the built in functions   http   www w3schools com php php ref array asp  http   php net manual en function array-search php

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From http   php net manual en function in-array php  bool in array   mixed  needle   array  haystack    bool  strict   FALSE      Searches haystack for needle using loose comparison unless strict is set

User · Answer

Following is how you can do this    lt  php  rooms     kitchen    bedroom    living room    dining room      this is your array if in array  kitchen    rooms        echo  this array contains kitchen       Make sure that you search for kitchen and not Kitchen  This function is case sensitive  So  the below function simply won t work    rooms     kitchen    bedroom    living room    dining room      this is your array if in array  KITCHEN    rooms        echo  this array contains kitchen       If you rather want a quick way to make this search case insensitive  have a look at the proposed solution in this reply  https   stackoverflow com a 30555568 8661779  Source  http   dwellupper io post 50 understanding-php-in-array-function-with-examples

User · Answer

See in array   lt  php      arr   array 0   gt   kitchen   1   gt   bedroom   2   gt   living room   3   gt   dining room            if  in array  kitchen    arr                 echo sprintf   kitchen  is in   s    implode        arr            gt

User · Answer

Use the in array   function    array   array  kitchen    bedroom    living room    dining room     if  in array  kitchen    array         echo  this array contains kitchen

[php] How can I check if an array contains a specific value in php?

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