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Fix reference handling of grapheme_extract()

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Closes GH-18471.
This commit is contained in:
Niels Dossche 2025-05-01 00:19:51 +02:00
parent e3cac07a9b
commit e3105f5f1e
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2 changed files with 25 additions and 11 deletions
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17
ext/intl/grapheme/grapheme_string.c
View file

@ -711,15 +711,10 @@ PHP_FUNCTION(grapheme_extract)
} }
if ( NULL != next ) { if ( NULL != next ) {
if ( !Z_ISREF_P(next) ) { ZEND_ASSERT(Z_ISREF_P(next));
intl_error_set( NULL, U_ILLEGAL_ARGUMENT_ERROR, ZEND_TRY_ASSIGN_REF_LONG(next, lstart);
"grapheme_extract: 'next' was not passed by reference", 0 ); if (UNEXPECTED(EG(exception))) {
RETURN_FALSE; RETURN_THROWS();
} else {
ZVAL_DEREF(next);
/* initialize next */
zval_ptr_dtor(next);
ZVAL_LONG(next, lstart);
} }
} }
@ -776,7 +771,7 @@ PHP_FUNCTION(grapheme_extract)
if ( -1 != grapheme_ascii_check((unsigned char *)pstr, MIN(size + 1, str_len)) ) { if ( -1 != grapheme_ascii_check((unsigned char *)pstr, MIN(size + 1, str_len)) ) {
size_t nsize = MIN(size, str_len); size_t nsize = MIN(size, str_len);
if ( NULL != next ) { if ( NULL != next ) {
ZVAL_LONG(next, start+nsize); ZEND_TRY_ASSIGN_REF_LONG(next, start + nsize);
} }
RETURN_STRINGL(pstr, nsize); RETURN_STRINGL(pstr, nsize);
} }
@ -810,7 +805,7 @@ PHP_FUNCTION(grapheme_extract)
ubrk_close(bi); ubrk_close(bi);
if ( NULL != next ) { if ( NULL != next ) {
ZVAL_LONG(next, start+ret_pos); ZEND_TRY_ASSIGN_REF_LONG(next, start + ret_pos);
} }
RETURN_STRINGL(((char *)pstr), ret_pos); RETURN_STRINGL(((char *)pstr), ret_pos);

19
ext/intl/tests/grapheme_extract_references.phpt Normal file
View file

@ -0,0 +1,19 @@
--TEST--
grapheme_extract() references handling
--EXTENSIONS--
intl
--FILE--
<?php
class Test {
public string $prop = "a";
}
$test = new Test;
$next =& $test->prop;
grapheme_extract("test", 4, next: $next);
var_dump($test);
?>
--EXPECT--
object(Test)#1 (1) {
["prop"]=>
&string(1) "4"
}