(PHP 7)
IntlChar::istitle — Check if code point is a titlecase letter
Determines whether the specified code point is a titlecase letter.
TRUE
for general category "Lt" (titlecase letter).
Returns TRUE
if
codepoint
is a titlecase letter, FALSE
if not.
Exemplo #1 Testando codepoints diferentes
<?php
var_dump(IntlChar::istitle("A"));
var_dump(IntlChar::istitle("a"));
var_dump(IntlChar::istitle("Φ"));
var_dump(IntlChar::istitle("φ"));
var_dump(IntlChar::istitle("1"));
?>
O exemplo acima irá imprimir:
bool(false) bool(true) bool(false) bool(true) bool(false)