<?php
$stringTest = 'João da silva';
$stringTest = ucwords($stringTest); echo $stringTest;
$stringTest2 = 'joão da silva';
$stringTest2 = ucwords($stringTest2); echo $stringTest2;
PD9waHAKCgokc3RyaW5nVGVzdCA9ICdKb8OjbyBkYSBzaWx2YSc7CiRzdHJpbmdUZXN0ID0gdWN3b3Jkcygkc3RyaW5nVGVzdCk7CmVjaG8gJHN0cmluZ1Rlc3Q7CgoKJHN0cmluZ1Rlc3QyID0gJ2pvw6NvIGRhIHNpbHZhJzsKJHN0cmluZ1Rlc3QyID0gdWN3b3Jkcygkc3RyaW5nVGVzdDIpOwplY2hvICRzdHJpbmdUZXN0MjsK