remove integer index an array - php

Question

I am working on a website where we need to remove the index of an array where type is integer.
Have you any idea or suggestion regarding.
My array looks like this :
Array
(
[0] => first
[first] => second
[1] => second
[second] => second
[2] => third
[third] => third
[3] => forth
[forth] => v
[4] => fifth
[fifth] => fifth
)
How we can remove integer index from array.One more thing to note that we have not static array we do not know how many index is there.
Need like this :
Array
(
[first] => second
[second] => second
[third] => third
[forth] => v
[fifth] => fifth
)

Answer 1

Database Solution:
To get only the associative array from mysql database use: mysqli_fetch_assoc() instead of mysqli_fetch_array().
mysqli_fetch_array() fetches the entire array - integer indexes as well as column names as keys.
mysqli_fetch_assoc() only fetches the column names as keys. - thus getting rid of integer keys.
General Solution:
To do what you asked in general I would use:
foreach($array as $key => $value){
if(is_numeric($key)) unset($array[$key]);
}
You can also use is_int() if you like..

Answer 2

Another way to do this :-
$array1 = array("6566"=>"zd xf", "2"=>2, "c"=>3, "d"=>4, "e"=>5);
$keys=array_filter(array_keys($array1), "is_numeric");
$out =array_diff_key($array1,array_flip($keys));
print_r($out);
output :
Array
(
[c] => 3
[d] => 4
[e] => 5
)

Answer 3

remove the integer index value of array.
$array1=array();
$array = array(0 => first,first => second,1 => second,second => second,2 => third,third => third,3 => forth,forth => v,4 => fifth,fifth => fifth);
foreach ($array as $key=>$value){
if(gettype($key)=='integer'){
unset($key);
unset($value);
}else{
$array1[$key]=$value;
}
}
print_r($array1);
out put like this.
Array
(
[first] => second
[second] => second
[third] => third
[forth] => v
[fifth] => fifth
)