- mb_strpos: documentation ( source)
<?php
class Test{
const ♥ = "love";
}
$class = new ReflectionClass("Test");
$constant = "♥";
if ( $class->hasConstant( $constant ) ) {
$bad_char = "♥";
if ( mb_strpos( $constant, $bad_char) )
{
exit( "Illegal identifier: $bad_char" );
}
}