array in-array function - checks a value exists in an array or not

array in_array function - checks a value exists in an array or not

in-array-function-example-in-php.php


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  <h2>in_array function - checks a value exists in an array or not</h2>
  <pre>
   <?php
    /*
     --------------------------------------------------------------
     let us make an array and fill it up with some values
     --------------------------------------------------------------
    */
    $myArray = array("apple", "book", "cat", "zoo");
    echo "<h4>Output of myArray</h4>";
    print_r($myArray);
    /*
     --------------------------------------------------------------------------------------
     we want to check whether book is exist in the array or not by using in_array function
     --------------------------------------------------------------------------------------
    */
    $isBookExist = in_array("book", $myArray);
    echo "<h3>Output using in_array function</h3>";
    print "$"."isBookExist = ".$isBookExist;
    if($isBookExist)
    {
     echo "<h4>book is exists.</h4>";
    }
    else
    {
     echo "<h4>book is not exists in the array.</h4>";
    }
    /*
     --------------------------------------------------------------------------------------
     we want to check whether modon is exist in the array or not by using in_array function
     --------------------------------------------------------------------------------------
    */
    $isModonExist = in_array("modon", $myArray);
    echo "<h3>Output using in_array function</h3>";
    print "$"."isModonExist = ".$isModonExist;
    if($isModonExist)
    {
     echo "<h4>modon is exists.</h4>";
    }
    else
    {
     echo "<h4>modon is not exists in the array.</h4>";
    }
   ?>
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array in_array function - checks a value exists in an array or not - output in the browser

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