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Fix GH-15968: Avoid converting objects to strings in operator calculations. #16021

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merged 2 commits into from
Sep 24, 2024
Merged

Fix GH-15968: Avoid converting objects to strings in operator calculations. #16021

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2ab06a5
Avoid converting objects to strings in operator calculations.
SakiTakamachi Sep 24, 2024
323014e
[skip ci] NEWS
SakiTakamachi Sep 24, 2024
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2 changes: 1 addition & 1 deletion ext/bcmath/bcmath.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1178,7 +1178,7 @@ static zend_result bcmath_number_parse_num(zval *zv, zend_object **obj, zend_str
return FAILURE;

default:
return zend_parse_arg_str_or_long_slow(zv, str, lval, 1 /* dummy */) ? SUCCESS : FAILURE;
return zend_parse_arg_long_slow(zv, lval, 1 /* dummy */) ? SUCCESS : FAILURE;
}
}
}
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22 changes: 22 additions & 0 deletions ext/bcmath/tests/gh15968.phpt
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Original file line number Diff line number Diff line change
@@ -0,0 +1,22 @@
--TEST--
GH-15968 BCMath\Number operators may typecast operand
--EXTENSIONS--
bcmath
--FILE--
<?php
class MyString {
function __toString() {
return "2";
}
}

$a = new BCMath\Number("1");
$b = new MyString();
try {
var_dump($a + $b);
} catch (Error $e) {
echo $e->getMessage();
}
?>
--EXPECT--
Unsupported operand types: BcMath\Number + MyString
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