- array_map: documentation ( source)
- print_r: documentation ( source)
- ucwords: documentation ( source)
- implode: documentation ( source)
- explode: documentation ( source)
- array_filter: documentation ( source)
- strtolower: documentation ( source)
<?php
print_r(ucwords(strtolower(implode(" ", array_filter(array_map('trim', explode(" ", " juan ñmanuel Lallana ")))))));