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archived-php-src/ext/standard/tests/math/exp_basic.phpt
Nikita Popov b10416a652 Deprecate passing null to non-nullable arg of internal function
This deprecates passing null to non-nullable scale arguments of
internal functions, with the eventual goal of making the behavior
consistent with userland functions, where null is never accepted
for non-nullable arguments.

This change is expected to cause quite a lot of fallout. In most
cases, calling code should be adjusted to avoid passing null. In
some cases, PHP should be adjusted to make some function arguments
nullable. I have already fixed a number of functions before landing
this, but feel free to file a bug if you encounter a function that
doesn't accept null, but probably should. (The rule of thumb for
this to be applicable is that the function must have special behavior
for 0 or "", which is distinct from the natural behavior of the
parameter.)

RFC: https://wiki.php.net/rfc/deprecate_null_to_scalar_internal_arg

Closes GH-6475.
2021-02-11 21:46:13 +01:00

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939 B
PHP

--TEST--
Test exp() - basic function test for exp()
--INI--
serialize_precision=14
--FILE--
<?php
$values = array(10,
10.3,
3.9505e3,
037,
0x5F,
"10",
"3950.5",
"3.9505e3",
"039",
true,
false,
);
$iterator = 1;
foreach($values as $value) {
echo "\n-- Iteration $iterator --\n";
var_dump(exp($value));
$iterator++;
};
?>
--EXPECT--
-- Iteration 1 --
float(22026.465794807)
-- Iteration 2 --
float(29732.618852891)
-- Iteration 3 --
float(INF)
-- Iteration 4 --
float(29048849665247)
-- Iteration 5 --
float(1.811239082889E+41)
-- Iteration 6 --
float(22026.465794807)
-- Iteration 7 --
float(INF)
-- Iteration 8 --
float(INF)
-- Iteration 9 --
float(8.6593400423994E+16)
-- Iteration 10 --
float(2.718281828459)
-- Iteration 11 --
float(1)