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|
--TEST--
Acceptance of whitespace in numeric strings
--FILE--
<?php
$strings = [
"123",
"123 ",
"123 \t\n\r\v\f",
" 123",
" \t\n\r\v\f123",
" 123 ",
" \t\n\r\v\f123 \t\n\r\v\f",
"123.0",
"123.0 ",
"123.0 \t\n\r\v\f",
" 123.0",
" \t\n\r\v\f123.0",
" 123.0 ",
" \t\n\r\v\f123 \t\n\r\v\f",
"123e0",
"123e0 ",
"123e0 \t\n\r\v\f",
" 123e0",
" \t\n\r\v\f123e0",
" 123e0 ",
" \t\n\r\v\f123e0 \t\n\r\v\f"
];
function takes_integer(int $i) {
\assert($i === 123);
}
function takes_float(float $f) {
\assert($f === 123.0);
}
foreach ($strings as $string) {
\assert($string == 123);
$num = +$string;
\assert($num == 123);
takes_integer($string);
takes_float($string);
\assert(\intdiv($string, 1) === 123);
\assert(\is_numeric($string));
$incremented = $string;
++$incremented;
\assert(\is_int($incremented) || \is_float($incremented));
\assert($incremented == 124);
$decremented = $string;
--$decremented;
\assert(\is_int($decremented) || \is_float($decremented));
\assert($decremented == 122);
}
echo "OK!", PHP_EOL;
?>
--EXPECT--
OK!
|
