php reset array keys : using array_values – It returns an indexed array of values from the associative array.
Reset keys of array elements using PHP
The array_values() function returns an array containing all the values of an array. and read this example Php Array Remove Keys Keep Values

Example 1: php reset array keys
To reset keys of array elements using PHP, the source code is as follows−
'tamilblastres',
'4' => 'hdhub4u',
'2' => 'tamilmv',
'7' => 'moviszap'
];
$finalOutputArr = array_values($websites);
print_r($finalOutputArr);
?>
Result
Array
(
[0] => tamilblastres
[1] => hdhub4u
[2] => tamilmv
[3] => moviszap
)
Example 2: Reset keys of array elements using PHP
'tamilblastres',
'4' => 'hdhub4u',
'2' => 'tamilmv',
'7' => 'moviszap',
'6' => '',
'9' => 'Bolly4u',
'1' => ''
];
$finalOutputArr = array_values(array_filter($websites));
print_r($finalOutputArr);
?>
Result
Array
(
[0] => tamilblastres
[1] => hdhub4u
[2] => tamilmv
[3] => moviszap
[4] => Bolly4u
)