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15 years ago
Here is a Version with one or more arrays, which have similar values in it:

Use $lower=true/false to ignore/set case Sensitiv.



<?php



$ar1[] = array("red","green","yellow","blue");

$ar1[] = array("green","yellow","brown","red","white","yellow");

$ar1[] = array("red","green","brown","blue","black","yellow");

#$ar1= array("red","green","brown","blue","black","red","green"); // Possible with one or multiple Array



$res = array_icount_values ($ar1);

print_r($res);



function array_icount_values($arr,$lower=true) {

     $arr2=array();

     if(!is_array($arr['0'])){$arr=array($arr);}

     foreach($arr as $k=> $v){

      foreach($v as $v2){

      if($lower==true) {$v2=strtolower($v2);}

      if(!isset($arr2[$v2])){

          $arr2[$v2]=1;

      }else{

           $arr2[$v2]++;

           }

    }

    }

    return $arr2;

}

/*

Will print:

Array

(

    [red] => 3

    [green] => 3

    [yellow] => 4

    [blue] => 2

    [brown] => 2

    [white] => 1

    [black] => 1

)

*/

?>
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