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Copy UTF-8 flag for str_repeat

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Niels Dossche 2023-02-03 20:48:04 +01:00 • committed by George Peter Banyard
parent 99b86141ae
commit c2d4bafc4f
2 changed files with 12 additions and 0 deletions
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1
ext/standard/string.c
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@ -5059,6 +5059,7 @@ PHP_FUNCTION(str_repeat)
/* Initialize the result string */
result = zend_string_safe_alloc(ZSTR_LEN(input_str), mult, 0, 0);
result_len = ZSTR_LEN(input_str) * mult;
ZSTR_COPY_CONCAT_PROPERTIES(result, input_str);
/* Heavy optimization for situations where input string is 1 byte long */
if (ZSTR_LEN(input_str) == 1) {

11
ext/zend_test/tests/strings_marked_as_utf8.phpt
View file

@ -107,6 +107,14 @@ $s = $o . $o;
var_dump($s);
var_dump(zend_test_is_string_marked_as_valid_utf8($s));
echo "str_repeat:\n";
$string = "a";
$string_concat = str_repeat($string, 100);
var_dump(zend_test_is_string_marked_as_valid_utf8($string_concat));
$string = "\xff";
$string_concat = str_repeat($string, 100);
var_dump(zend_test_is_string_marked_as_valid_utf8($string_concat));
?>
--EXPECT--
Empty strings:
@ -148,3 +156,6 @@ bool(true)
Concatenation of objects:
string(2) "zz"
bool(true)
str_repeat:
bool(true)
bool(false)