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Add function in zend_test to check UTF8 flag is added
Also add test to check what strings are marked as having the flag
1 parent a030551 commit 0a9df07

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4 files changed

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lines changed

4 files changed

+159
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lines changed

‎ext/zend_test/test.c

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Original file line numberDiff line numberDiff line change
@@ -424,6 +424,17 @@ static ZEND_FUNCTION(zend_test_zend_ini_str)
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RETURN_STR(ZT_G(str_test));
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}
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static ZEND_FUNCTION(zend_test_is_string_marked_as_valid_utf8)
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{
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zend_string *str;
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ZEND_PARSE_PARAMETERS_START(1, 1)
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Z_PARAM_STR(str)
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ZEND_PARSE_PARAMETERS_END();
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RETURN_BOOL(ZSTR_IS_VALID_UTF8(str));
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}
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static ZEND_FUNCTION(ZendTestNS2_namespaced_func)
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{
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ZEND_PARSE_PARAMETERS_NONE();

‎ext/zend_test/test.stub.php

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@@ -178,6 +178,8 @@ function zend_test_zend_ini_str(): string {}
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function zend_test_zend_call_stack_get(): ?array {}
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function zend_test_zend_call_stack_use_all(): int {}
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#endif
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function zend_test_is_string_marked_as_valid_utf8(string $string): bool {}
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}
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namespace ZendTestNS {

‎ext/zend_test/test_arginfo.h

Lines changed: 7 additions & 1 deletion
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‎ext/zend_test/tests/strings_marked_as_utf8.phpt

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--TEST--
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Check that strings are marked as valid UTF-8
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--EXTENSIONS--
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zend_test
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--FILE--
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<?php
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echo "Empty strings:\n";
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$s = "";
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var_dump(zend_test_is_string_marked_as_valid_utf8($s));
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echo "Known strings:\n";
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$s = "c";
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var_dump(zend_test_is_string_marked_as_valid_utf8($s));
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echo "Integer cast to string:\n";
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$i = 2563;
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$s = (string) $i;
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var_dump($s);
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var_dump(zend_test_is_string_marked_as_valid_utf8($s));
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echo "Float cast to string:\n";
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$f = 26.7;
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$s = (string) $f;
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var_dump($s);
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var_dump(zend_test_is_string_marked_as_valid_utf8($s));
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$f = 2e100;
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$s = (string) $f;
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var_dump($s);
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var_dump(zend_test_is_string_marked_as_valid_utf8($s));
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echo "Concatenation known valid UTF-8 strings in variables:\n";
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$s1 = "f";
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$s2 = "o";
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$s = $s1 . $s2;
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var_dump($s);
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var_dump(zend_test_is_string_marked_as_valid_utf8($s));
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echo "Multiple concatenation known valid UTF-8 strings in variables:\n";
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$s1 = "f";
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$s2 = "o";
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$s = $s1 . $s2 . $s2;
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var_dump($s);
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var_dump(zend_test_is_string_marked_as_valid_utf8($s));
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echo "Concatenation known valid UTF-8 in assignment:\n";
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$s = "f" . "o";
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var_dump($s);
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var_dump(zend_test_is_string_marked_as_valid_utf8($s));
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echo "Multiple concatenation known valid UTF-8 in assignment:\n";
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$s = "f" . "o" . "o";
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var_dump($s);
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var_dump(zend_test_is_string_marked_as_valid_utf8($s));
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echo "Concatenation known valid UTF-8 string with empty string in variables:\n";
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$s1 = "f";
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$s2 = "";
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$s = $s1 . $s2;
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var_dump(zend_test_is_string_marked_as_valid_utf8($s));
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$s1 = "f";
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$s2 = "";
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$s = $s2 . $s1;
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var_dump(zend_test_is_string_marked_as_valid_utf8($s));
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echo "Concatenation known valid UTF-8 string with empty string in assignment:\n";
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$s = "f" . "";
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var_dump(zend_test_is_string_marked_as_valid_utf8($s));
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$s = "" . "f";
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var_dump(zend_test_is_string_marked_as_valid_utf8($s));
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echo "Concatenation in loop:\n";
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const COPY_TIMES = 10_000;
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$string = "a";
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$string_concat = $string;
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for ($i = 1; $i < COPY_TIMES; $i++) {
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$string_concat = $string_concat . $string;
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}
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var_dump(zend_test_is_string_marked_as_valid_utf8($string_concat));
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echo "Concatenation in loop (compound assignment):\n";
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$string = "a";
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$string_concat = $string;
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for ($i = 1; $i < COPY_TIMES; $i++) {
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$string_concat .= $string;
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}
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var_dump(zend_test_is_string_marked_as_valid_utf8($string_concat));
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echo "Concatenation of objects:\n";
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class ToString {
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public function __toString() : string{
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return "z";
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}
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}
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$o = new ToString();
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$s = $o . $o;
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var_dump($s);
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var_dump(zend_test_is_string_marked_as_valid_utf8($s));
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?>
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--EXPECT--
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Empty strings:
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bool(true)
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Known strings:
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bool(true)
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Integer cast to string:
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string(4) "2563"
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bool(false)
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Float cast to string:
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string(4) "26.7"
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bool(false)
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string(8) "2.0E+100"
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bool(false)
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Concatenation known valid UTF-8 strings in variables:
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string(2) "fo"
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bool(false)
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Multiple concatenation known valid UTF-8 strings in variables:
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string(3) "foo"
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bool(false)
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Concatenation known valid UTF-8 in assignment:
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string(2) "fo"
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bool(false)
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Multiple concatenation known valid UTF-8 in assignment:
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string(3) "foo"
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bool(false)
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Concatenation known valid UTF-8 string with empty string in variables:
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bool(true)
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bool(true)
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Concatenation known valid UTF-8 string with empty string in assignment:
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bool(true)
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bool(true)
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Concatenation in loop:
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bool(false)
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Concatenation in loop (compound assignment):
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bool(false)
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Concatenation of objects:
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string(2) "zz"
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bool(false)

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