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Challenge 2
Explique um pouco como resolveu o desafio
Criei uma função para verificar o palindromo, que recebe como parametro uma string. Em seguida terei um laço for para executar a função de acordo com a quantidade de strings definidas no terminal.
Para efetivamente fazer a verificação, primeiro transformei os caracteres da string todos em minúsculos com a função 'strtolower'. Em seguida usei a função 'strrev' para reverter a string, comparando-a em um condicional.
Pontos interessantes
Função strrev torna o processo bem mais fácil.
Observações
'PHP_EOL' -> pulo de linha