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--TEST--
Test is_nan() - basic function test is_nan()
--FILE--
<?php
$values = array(234,
-234,
23.45e1,
-23.45e1,
0xEA,
0352,
"234",
"234.5",
"23.45e1",
true,
false,
pow(0, -2),
acos(1.01));
for ($i = 0; $i < count($values); $i++) {
$res = is_nan($values[$i]);
var_dump($res);
}
?>
--EXPECTF--
Deprecated: Power of base 0 and negative exponent is deprecated in %s on line %d
bool(false)
bool(false)
bool(false)
bool(false)
bool(false)
bool(false)
bool(false)
bool(false)
bool(false)
bool(false)
bool(false)
bool(false)
bool(true)
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