PHP common lib with several class helpers
Function to convert all values of an array to charset UTF-8
Function to convert all values of an array from one charset to another
Check if a key or array of keys exists in an array
Check if a key exist in a simple or multidimensional array
Function that mimics original php ucwords, but works with exceptions and delimiters to not upper case words like (in Portuguese):
de, da, do, o, a, os .. etc.
$s = StringHelper::ucwords('JOÃO DA SILVA');
echo $s;
// output
// João da Silva
Function that simplify the String transliterating accents.
Depends on 'php-intl' extension