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  • Unexpected bheaviour of in_array in PHP

    @dinesh.rawat
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    Comment on it

    We have an associative array where its values are all Boolean and if we search for a string, we got true.

    Lets see an example.

    <?php
$array = array(
  'count' => 1,
  'references' => 0,
  'ghosts' => 1
);
var&#95;dump(in&#95;array('aurelio', $array));

    And what we get is

    true

    Once again the in_array() function returns true. How is this possible?

    The in_array has certain parameters such as:

    0
false

0
NULL
array()

    To solve this problem you can use in_array's third parameter. So, if we write:

    <?php
$array = array(
  'count' => 1,
  'references' => 0,
  'ghosts' => 1
);
var&#95;dump(in&#95;array('aurelio', $array, true));

    well finally get

    • false

      as we expect!

    php
    Comment on it

 1 Comment(s)

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