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@parzibyte
Created February 14, 2019 15:51
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<?php
function esMinuscula($cadena)
{
# También podrías usar mb_strtolower
return $cadena === strtolower($cadena);
}
# Probar
$cadenas = ["Hola", "HOLA", "hola"];
foreach ($cadenas as $cadena) {
if (esMinuscula($cadena)) {
echo "$cadena es minúscula\n";
} else {
echo "$cadena no es minúscula\n";
}
}
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