k i ended up with this code....
<?php
$_POST = array( '1', '100', '100.1', '100.123', 'a');
foreach( $_POST as &$value )
{
if(is_numeric($value)) {
$value = $value + 0;
}
}
var_dump($_POST);
?>
its giving me
array(5) { [0]=> int(1) [1]=> int(100) [2]=> float(100.1) [3]=>
float(100.123) [4]=> &string(1) "a" }
what does &string mean ??
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