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php-src/Zend/zend_string.h

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/*
+----------------------------------------------------------------------+
| Zend Engine |
+----------------------------------------------------------------------+
| Copyright (c) Zend Technologies Ltd. (http://www.zend.com) |
+----------------------------------------------------------------------+
| This source file is subject to version 2.00 of the Zend license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.zend.com/license/2_00.txt. |
| If you did not receive a copy of the Zend license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@zend.com so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Dmitry Stogov <dmitry@php.net> |
+----------------------------------------------------------------------+
*/
#ifndef ZEND_STRING_H
#define ZEND_STRING_H
#include "zend_types.h"
#include "zend_gc.h"
#include "zend_alloc.h"
BEGIN_EXTERN_C()
typedef void (*zend_string_copy_storage_func_t)(void);
typedef zend_string *(ZEND_FASTCALL *zend_new_interned_string_func_t)(zend_string *str);
typedef zend_string *(ZEND_FASTCALL *zend_string_init_interned_func_t)(const char *str, size_t size, bool permanent);
typedef zend_string *(ZEND_FASTCALL *zend_string_init_existing_interned_func_t)(const char *str, size_t size, bool permanent);
ZEND_API extern zend_new_interned_string_func_t zend_new_interned_string;
ZEND_API extern zend_string_init_interned_func_t zend_string_init_interned;
/* Init an interned string if it already exists, but do not create a new one if it does not. */
ZEND_API extern zend_string_init_existing_interned_func_t zend_string_init_existing_interned;
ZEND_API zend_ulong ZEND_FASTCALL zend_string_hash_func(zend_string *str);
ZEND_API zend_ulong ZEND_FASTCALL zend_hash_func(const char *str, size_t len);
ZEND_API zend_string* ZEND_FASTCALL zend_interned_string_find_permanent(zend_string *str);
ZEND_API zend_string *zend_string_concat2(
const char *str1, size_t str1_len,
const char *str2, size_t str2_len);
ZEND_API zend_string *zend_string_concat3(
const char *str1, size_t str1_len,
const char *str2, size_t str2_len,
const char *str3, size_t str3_len);
ZEND_API void zend_interned_strings_init(void);
ZEND_API void zend_interned_strings_dtor(void);
ZEND_API void zend_interned_strings_activate(void);
ZEND_API void zend_interned_strings_deactivate(void);
ZEND_API void zend_interned_strings_set_request_storage_handlers(
zend_new_interned_string_func_t handler,
zend_string_init_interned_func_t init_handler,
zend_string_init_existing_interned_func_t init_existing_handler);
ZEND_API void zend_interned_strings_switch_storage(bool request);
ZEND_API extern zend_string *zend_empty_string;
ZEND_API extern zend_string *zend_one_char_string[256];
ZEND_API extern zend_string **zend_known_strings;
END_EXTERN_C()
/* Shortcuts */
#define ZSTR_VAL(zstr) (zstr)->val
#define ZSTR_LEN(zstr) (zstr)->len
#define ZSTR_H(zstr) (zstr)->h
#define ZSTR_HASH(zstr) zend_string_hash_val(zstr)
/* Compatibility macros */
#define IS_INTERNED(s) ZSTR_IS_INTERNED(s)
#define STR_EMPTY_ALLOC() ZSTR_EMPTY_ALLOC()
#define _STR_HEADER_SIZE _ZSTR_HEADER_SIZE
#define STR_ALLOCA_ALLOC(str, _len, use_heap) ZSTR_ALLOCA_ALLOC(str, _len, use_heap)
#define STR_ALLOCA_INIT(str, s, len, use_heap) ZSTR_ALLOCA_INIT(str, s, len, use_heap)
#define STR_ALLOCA_FREE(str, use_heap) ZSTR_ALLOCA_FREE(str, use_heap)
/*---*/
#define ZSTR_IS_INTERNED(s) (GC_FLAGS(s) & IS_STR_INTERNED)
#define ZSTR_IS_VALID_UTF8(s) (GC_FLAGS(s) & IS_STR_VALID_UTF8)
/* These are properties, encoded as flags, that will hold on the resulting string
* after concatenating two strings that have these property.
* Example: concatenating two UTF-8 strings yields another UTF-8 string. */
#define ZSTR_COPYABLE_CONCAT_PROPERTIES (IS_STR_VALID_UTF8)
#define ZSTR_GET_COPYABLE_CONCAT_PROPERTIES(s) (GC_FLAGS(s) & ZSTR_COPYABLE_CONCAT_PROPERTIES)
/* This macro returns the copyable concat properties which hold on both strings. */
#define ZSTR_GET_COPYABLE_CONCAT_PROPERTIES_BOTH(s1, s2) (GC_FLAGS(s1) & GC_FLAGS(s2) & ZSTR_COPYABLE_CONCAT_PROPERTIES)
#define ZSTR_COPY_CONCAT_PROPERTIES(out, in) do { \
zend_string *_out = (out); \
uint32_t properties = ZSTR_GET_COPYABLE_CONCAT_PROPERTIES((in)); \
GC_ADD_FLAGS(_out, properties); \
} while (0)
#define ZSTR_COPY_CONCAT_PROPERTIES_BOTH(out, in1, in2) do { \
zend_string *_out = (out); \
uint32_t properties = ZSTR_GET_COPYABLE_CONCAT_PROPERTIES_BOTH((in1), (in2)); \
GC_ADD_FLAGS(_out, properties); \
} while (0)
#define ZSTR_EMPTY_ALLOC() zend_empty_string
#define ZSTR_CHAR(c) zend_one_char_string[c]
#define ZSTR_KNOWN(idx) zend_known_strings[idx]
#define _ZSTR_HEADER_SIZE XtOffsetOf(zend_string, val)
#define _ZSTR_STRUCT_SIZE(len) (_ZSTR_HEADER_SIZE + len + 1)
#define ZSTR_MAX_OVERHEAD (ZEND_MM_ALIGNED_SIZE(_ZSTR_HEADER_SIZE + 1))
#define ZSTR_MAX_LEN (SIZE_MAX - ZSTR_MAX_OVERHEAD)
#define ZSTR_ALLOCA_ALLOC(str, _len, use_heap) do { \
(str) = (zend_string *)do_alloca(ZEND_MM_ALIGNED_SIZE_EX(_ZSTR_STRUCT_SIZE(_len), 8), (use_heap)); \
GC_SET_REFCOUNT(str, 1); \
GC_TYPE_INFO(str) = GC_STRING; \
ZSTR_H(str) = 0; \
ZSTR_LEN(str) = _len; \
} while (0)
#define ZSTR_ALLOCA_INIT(str, s, len, use_heap) do { \
ZSTR_ALLOCA_ALLOC(str, len, use_heap); \
memcpy(ZSTR_VAL(str), (s), (len)); \
ZSTR_VAL(str)[(len)] = '\0'; \
} while (0)
#define ZSTR_ALLOCA_FREE(str, use_heap) free_alloca(str, use_heap)
#define ZSTR_INIT_LITERAL(s, persistent) (zend_string_init((s), strlen(s), (persistent)))
/*---*/
static zend_always_inline zend_ulong zend_string_hash_val(zend_string *s)
{
return ZSTR_H(s) ? ZSTR_H(s) : zend_string_hash_func(s);
}
static zend_always_inline void zend_string_forget_hash_val(zend_string *s)
{
ZSTR_H(s) = 0;
GC_DEL_FLAGS(s, IS_STR_VALID_UTF8);
}
static zend_always_inline uint32_t zend_string_refcount(const zend_string *s)
{
if (!ZSTR_IS_INTERNED(s)) {
return GC_REFCOUNT(s);
}
return 1;
}
static zend_always_inline uint32_t zend_string_addref(zend_string *s)
{
if (!ZSTR_IS_INTERNED(s)) {
return GC_ADDREF(s);
}
return 1;
}
static zend_always_inline uint32_t zend_string_delref(zend_string *s)
{
if (!ZSTR_IS_INTERNED(s)) {
return GC_DELREF(s);
}
return 1;
}
static zend_always_inline zend_string *zend_string_alloc(size_t len, bool persistent)
{
zend_string *ret = (zend_string *)pemalloc(ZEND_MM_ALIGNED_SIZE(_ZSTR_STRUCT_SIZE(len)), persistent);
GC_SET_REFCOUNT(ret, 1);
GC_TYPE_INFO(ret) = GC_STRING | ((persistent ? IS_STR_PERSISTENT : 0) << GC_FLAGS_SHIFT);
ZSTR_H(ret) = 0;
ZSTR_LEN(ret) = len;
return ret;
}
static zend_always_inline zend_string *zend_string_safe_alloc(size_t n, size_t m, size_t l, bool persistent)
{
zend_string *ret = (zend_string *)safe_pemalloc(n, m, ZEND_MM_ALIGNED_SIZE(_ZSTR_STRUCT_SIZE(l)), persistent);
GC_SET_REFCOUNT(ret, 1);
GC_TYPE_INFO(ret) = GC_STRING | ((persistent ? IS_STR_PERSISTENT : 0) << GC_FLAGS_SHIFT);
ZSTR_H(ret) = 0;
ZSTR_LEN(ret) = (n * m) + l;
return ret;
}
static zend_always_inline zend_string *zend_string_init(const char *str, size_t len, bool persistent)
{
zend_string *ret = zend_string_alloc(len, persistent);
memcpy(ZSTR_VAL(ret), str, len);
ZSTR_VAL(ret)[len] = '\0';
return ret;
}
static zend_always_inline zend_string *zend_string_init_fast(const char *str, size_t len)
{
if (len > 1) {
return zend_string_init(str, len, 0);
} else if (len == 0) {
return zend_empty_string;
} else /* if (len == 1) */ {
return ZSTR_CHAR((zend_uchar) *str);
}
}
static zend_always_inline zend_string *zend_string_copy(zend_string *s)
{
if (!ZSTR_IS_INTERNED(s)) {
GC_ADDREF(s);
}
return s;
}
static zend_always_inline zend_string *zend_string_dup(zend_string *s, bool persistent)
{
if (ZSTR_IS_INTERNED(s)) {
return s;
} else {
return zend_string_init(ZSTR_VAL(s), ZSTR_LEN(s), persistent);
}
}
static zend_always_inline zend_string *zend_string_separate(zend_string *s, bool persistent)
{
if (ZSTR_IS_INTERNED(s) || GC_REFCOUNT(s) > 1) {
if (!ZSTR_IS_INTERNED(s)) {
GC_DELREF(s);
}
return zend_string_init(ZSTR_VAL(s), ZSTR_LEN(s), persistent);
}
zend_string_forget_hash_val(s);
return s;
}
static zend_always_inline zend_string *zend_string_realloc(zend_string *s, size_t len, bool persistent)
{
zend_string *ret;
if (!ZSTR_IS_INTERNED(s)) {
if (EXPECTED(GC_REFCOUNT(s) == 1)) {
ret = (zend_string *)perealloc(s, ZEND_MM_ALIGNED_SIZE(_ZSTR_STRUCT_SIZE(len)), persistent);
ZSTR_LEN(ret) = len;
zend_string_forget_hash_val(ret);
return ret;
}
}
ret = zend_string_alloc(len, persistent);
memcpy(ZSTR_VAL(ret), ZSTR_VAL(s), MIN(len, ZSTR_LEN(s)) + 1);
if (!ZSTR_IS_INTERNED(s)) {
GC_DELREF(s);
}
return ret;
}
static zend_always_inline zend_string *zend_string_extend(zend_string *s, size_t len, bool persistent)
{
zend_string *ret;
ZEND_ASSERT(len >= ZSTR_LEN(s));
if (!ZSTR_IS_INTERNED(s)) {
if (EXPECTED(GC_REFCOUNT(s) == 1)) {
ret = (zend_string *)perealloc(s, ZEND_MM_ALIGNED_SIZE(_ZSTR_STRUCT_SIZE(len)), persistent);
ZSTR_LEN(ret) = len;
zend_string_forget_hash_val(ret);
return ret;
}
}
ret = zend_string_alloc(len, persistent);
memcpy(ZSTR_VAL(ret), ZSTR_VAL(s), ZSTR_LEN(s) + 1);
if (!ZSTR_IS_INTERNED(s)) {
GC_DELREF(s);
}
return ret;
}
static zend_always_inline zend_string *zend_string_truncate(zend_string *s, size_t len, bool persistent)
{
zend_string *ret;
ZEND_ASSERT(len <= ZSTR_LEN(s));
if (!ZSTR_IS_INTERNED(s)) {
if (EXPECTED(GC_REFCOUNT(s) == 1)) {
ret = (zend_string *)perealloc(s, ZEND_MM_ALIGNED_SIZE(_ZSTR_STRUCT_SIZE(len)), persistent);
ZSTR_LEN(ret) = len;
zend_string_forget_hash_val(ret);
return ret;
}
}
ret = zend_string_alloc(len, persistent);
memcpy(ZSTR_VAL(ret), ZSTR_VAL(s), len + 1);
if (!ZSTR_IS_INTERNED(s)) {
GC_DELREF(s);
}
return ret;
}
static zend_always_inline zend_string *zend_string_safe_realloc(zend_string *s, size_t n, size_t m, size_t l, bool persistent)
{
zend_string *ret;
if (!ZSTR_IS_INTERNED(s)) {
if (GC_REFCOUNT(s) == 1) {
ret = (zend_string *)safe_perealloc(s, n, m, ZEND_MM_ALIGNED_SIZE(_ZSTR_STRUCT_SIZE(l)), persistent);
ZSTR_LEN(ret) = (n * m) + l;
zend_string_forget_hash_val(ret);
return ret;
}
}
ret = zend_string_safe_alloc(n, m, l, persistent);
memcpy(ZSTR_VAL(ret), ZSTR_VAL(s), MIN((n * m) + l, ZSTR_LEN(s)) + 1);
if (!ZSTR_IS_INTERNED(s)) {
GC_DELREF(s);
}
return ret;
}
static zend_always_inline void zend_string_free(zend_string *s)
{
if (!ZSTR_IS_INTERNED(s)) {
ZEND_ASSERT(GC_REFCOUNT(s) <= 1);
pefree(s, GC_FLAGS(s) & IS_STR_PERSISTENT);
}
}
static zend_always_inline void zend_string_efree(zend_string *s)
{
ZEND_ASSERT(!ZSTR_IS_INTERNED(s));
ZEND_ASSERT(GC_REFCOUNT(s) <= 1);
ZEND_ASSERT(!(GC_FLAGS(s) & IS_STR_PERSISTENT));
efree(s);
}
static zend_always_inline void zend_string_release(zend_string *s)
{
if (!ZSTR_IS_INTERNED(s)) {
if (GC_DELREF(s) == 0) {
pefree(s, GC_FLAGS(s) & IS_STR_PERSISTENT);
}
}
}
static zend_always_inline void zend_string_release_ex(zend_string *s, bool persistent)
{
if (!ZSTR_IS_INTERNED(s)) {
if (GC_DELREF(s) == 0) {
if (persistent) {
ZEND_ASSERT(GC_FLAGS(s) & IS_STR_PERSISTENT);
free(s);
} else {
ZEND_ASSERT(!(GC_FLAGS(s) & IS_STR_PERSISTENT));
efree(s);
}
}
}
}
static zend_always_inline bool zend_string_equals_cstr(const zend_string *s1, const char *s2, size_t s2_length)
{
return ZSTR_LEN(s1) == s2_length && !memcmp(ZSTR_VAL(s1), s2, s2_length);
}
#if defined(__GNUC__) && (defined(__i386__) || (defined(__x86_64__) && !defined(__ILP32__)))
BEGIN_EXTERN_C()
ZEND_API bool ZEND_FASTCALL zend_string_equal_val(const zend_string *s1, const zend_string *s2);
END_EXTERN_C()
#else
static zend_always_inline bool zend_string_equal_val(const zend_string *s1, const zend_string *s2)
{
return !memcmp(ZSTR_VAL(s1), ZSTR_VAL(s2), ZSTR_LEN(s1));
}
#endif
static zend_always_inline bool zend_string_equal_content(const zend_string *s1, const zend_string *s2)
{
return ZSTR_LEN(s1) == ZSTR_LEN(s2) && zend_string_equal_val(s1, s2);
}
static zend_always_inline bool zend_string_equals(const zend_string *s1, const zend_string *s2)
{
return s1 == s2 || zend_string_equal_content(s1, s2);
}
#define zend_string_equals_ci(s1, s2) \
(ZSTR_LEN(s1) == ZSTR_LEN(s2) && !zend_binary_strcasecmp(ZSTR_VAL(s1), ZSTR_LEN(s1), ZSTR_VAL(s2), ZSTR_LEN(s2)))
#define zend_string_equals_literal_ci(str, c) \
(ZSTR_LEN(str) == sizeof("" c) - 1 && !zend_binary_strcasecmp(ZSTR_VAL(str), ZSTR_LEN(str), (c), sizeof(c) - 1))
#define zend_string_equals_literal(str, literal) \
zend_string_equals_cstr(str, "" literal, sizeof(literal) - 1)
static zend_always_inline bool zend_string_starts_with_cstr(const zend_string *str, const char *prefix, size_t prefix_length)
{
return ZSTR_LEN(str) >= prefix_length && !memcmp(ZSTR_VAL(str), prefix, prefix_length);
}
static zend_always_inline bool zend_string_starts_with(const zend_string *str, const zend_string *prefix)
{
return zend_string_starts_with_cstr(str, ZSTR_VAL(prefix), ZSTR_LEN(prefix));
}
#define zend_string_starts_with_literal(str, prefix) \
zend_string_starts_with_cstr(str, prefix, strlen(prefix))
static zend_always_inline bool zend_string_starts_with_cstr_ci(const zend_string *str, const char *prefix, size_t prefix_length)
{
return ZSTR_LEN(str) >= prefix_length && !strncasecmp(ZSTR_VAL(str), prefix, prefix_length);
}
static zend_always_inline bool zend_string_starts_with_ci(const zend_string *str, const zend_string *prefix)
{
return zend_string_starts_with_cstr_ci(str, ZSTR_VAL(prefix), ZSTR_LEN(prefix));
}
#define zend_string_starts_with_literal_ci(str, prefix) \
zend_string_starts_with_cstr(str, prefix, strlen(prefix))
/*
* DJBX33A (Daniel J. Bernstein, Times 33 with Addition)
*
* This is Daniel J. Bernstein's popular `times 33' hash function as
* posted by him years ago on comp.lang.c. It basically uses a function
* like ``hash(i) = hash(i-1) * 33 + str[i]''. This is one of the best
* known hash functions for strings. Because it is both computed very
* fast and distributes very well.
*
* The magic of number 33, i.e. why it works better than many other
* constants, prime or not, has never been adequately explained by
* anyone. So I try an explanation: if one experimentally tests all
* multipliers between 1 and 256 (as RSE did now) one detects that even
* numbers are not usable at all. The remaining 128 odd numbers
* (except for the number 1) work more or less all equally well. They
* all distribute in an acceptable way and this way fill a hash table
* with an average percent of approx. 86%.
*
* If one compares the Chi^2 values of the variants, the number 33 not
* even has the best value. But the number 33 and a few other equally
* good numbers like 17, 31, 63, 127 and 129 have nevertheless a great
* advantage to the remaining numbers in the large set of possible
* multipliers: their multiply operation can be replaced by a faster
* operation based on just one shift plus either a single addition
* or subtraction operation. And because a hash function has to both
* distribute good _and_ has to be very fast to compute, those few
* numbers should be preferred and seems to be the reason why Daniel J.
* Bernstein also preferred it.
*
*
* -- Ralf S. Engelschall <rse@engelschall.com>
*/
static zend_always_inline zend_ulong zend_inline_hash_func(const char *str, size_t len)
{
zend_ulong hash = Z_UL(5381);
#if defined(_WIN32) || defined(__i386__) || defined(__x86_64__) || defined(__aarch64__)
/* Version with multiplication works better on modern CPU */
for (; len >= 8; len -= 8, str += 8) {
# if defined(__aarch64__) && !defined(WORDS_BIGENDIAN)
/* On some architectures it is beneficial to load 8 bytes at a
time and extract each byte with a bit field extract instr. */
uint64_t chunk;
memcpy(&chunk, str, sizeof(chunk));
hash =
hash * 33 * 33 * 33 * 33 +
((chunk >> (8 * 0)) & 0xff) * 33 * 33 * 33 +
((chunk >> (8 * 1)) & 0xff) * 33 * 33 +
((chunk >> (8 * 2)) & 0xff) * 33 +
((chunk >> (8 * 3)) & 0xff);
hash =
hash * 33 * 33 * 33 * 33 +
((chunk >> (8 * 4)) & 0xff) * 33 * 33 * 33 +
((chunk >> (8 * 5)) & 0xff) * 33 * 33 +
((chunk >> (8 * 6)) & 0xff) * 33 +
((chunk >> (8 * 7)) & 0xff);
# else
hash =
hash * Z_L(33 * 33 * 33 * 33) +
str[0] * Z_L(33 * 33 * 33) +
str[1] * Z_L(33 * 33) +
str[2] * Z_L(33) +
str[3];
hash =
hash * Z_L(33 * 33 * 33 * 33) +
str[4] * Z_L(33 * 33 * 33) +
str[5] * Z_L(33 * 33) +
str[6] * Z_L(33) +
str[7];
# endif
}
if (len >= 4) {
hash =
hash * Z_L(33 * 33 * 33 * 33) +
str[0] * Z_L(33 * 33 * 33) +
str[1] * Z_L(33 * 33) +
str[2] * Z_L(33) +
str[3];
len -= 4;
str += 4;
}
if (len >= 2) {
if (len > 2) {
hash =
hash * Z_L(33 * 33 * 33) +
str[0] * Z_L(33 * 33) +
str[1] * Z_L(33) +
str[2];
} else {
hash =
hash * Z_L(33 * 33) +
str[0] * Z_L(33) +
str[1];
}
} else if (len != 0) {
hash = hash * Z_L(33) + *str;
}
#else
/* variant with the hash unrolled eight times */
for (; len >= 8; len -= 8) {
hash = ((hash << 5) + hash) + *str++;
hash = ((hash << 5) + hash) + *str++;
hash = ((hash << 5) + hash) + *str++;
hash = ((hash << 5) + hash) + *str++;
hash = ((hash << 5) + hash) + *str++;
hash = ((hash << 5) + hash) + *str++;
hash = ((hash << 5) + hash) + *str++;
hash = ((hash << 5) + hash) + *str++;
}
switch (len) {
case 7: hash = ((hash << 5) + hash) + *str++; /* fallthrough... */
case 6: hash = ((hash << 5) + hash) + *str++; /* fallthrough... */
case 5: hash = ((hash << 5) + hash) + *str++; /* fallthrough... */
case 4: hash = ((hash << 5) + hash) + *str++; /* fallthrough... */
case 3: hash = ((hash << 5) + hash) + *str++; /* fallthrough... */
case 2: hash = ((hash << 5) + hash) + *str++; /* fallthrough... */
case 1: hash = ((hash << 5) + hash) + *str++; break;
case 0: break;
EMPTY_SWITCH_DEFAULT_CASE()
}
#endif
/* Hash value can't be zero, so we always set the high bit */
#if SIZEOF_ZEND_LONG == 8
return hash | Z_UL(0x8000000000000000);
#elif SIZEOF_ZEND_LONG == 4
return hash | Z_UL(0x80000000);
#else
# error "Unknown SIZEOF_ZEND_LONG"
#endif
}
#define ZEND_KNOWN_STRINGS(_) \
_(ZEND_STR_FILE, "file") \
_(ZEND_STR_LINE, "line") \
_(ZEND_STR_FUNCTION, "function") \
_(ZEND_STR_CLASS, "class") \
_(ZEND_STR_OBJECT, "object") \
_(ZEND_STR_TYPE, "type") \
_(ZEND_STR_OBJECT_OPERATOR, "->") \
_(ZEND_STR_PAAMAYIM_NEKUDOTAYIM, "::") \
_(ZEND_STR_ARGS, "args") \
_(ZEND_STR_UNKNOWN, "unknown") \
_(ZEND_STR_UNKNOWN_CAPITALIZED, "Unknown") \
_(ZEND_STR_EVAL, "eval") \
_(ZEND_STR_INCLUDE, "include") \
_(ZEND_STR_REQUIRE, "require") \
_(ZEND_STR_INCLUDE_ONCE, "include_once") \
_(ZEND_STR_REQUIRE_ONCE, "require_once") \
_(ZEND_STR_SCALAR, "scalar") \
_(ZEND_STR_ERROR_REPORTING, "error_reporting") \
_(ZEND_STR_STATIC, "static") \
_(ZEND_STR_THIS, "this") \
_(ZEND_STR_VALUE, "value") \
_(ZEND_STR_KEY, "key") \
_(ZEND_STR_MAGIC_INVOKE, "__invoke") \
_(ZEND_STR_PREVIOUS, "previous") \
_(ZEND_STR_CODE, "code") \
_(ZEND_STR_MESSAGE, "message") \
_(ZEND_STR_SEVERITY, "severity") \
_(ZEND_STR_STRING, "string") \
_(ZEND_STR_TRACE, "trace") \
_(ZEND_STR_SCHEME, "scheme") \
_(ZEND_STR_HOST, "host") \
_(ZEND_STR_PORT, "port") \
_(ZEND_STR_USER, "user") \
_(ZEND_STR_PASS, "pass") \
_(ZEND_STR_PATH, "path") \
_(ZEND_STR_QUERY, "query") \
_(ZEND_STR_FRAGMENT, "fragment") \
_(ZEND_STR_NULL, "NULL") \
_(ZEND_STR_BOOLEAN, "boolean") \
_(ZEND_STR_INTEGER, "integer") \
_(ZEND_STR_DOUBLE, "double") \
_(ZEND_STR_ARRAY, "array") \
_(ZEND_STR_RESOURCE, "resource") \
_(ZEND_STR_CLOSED_RESOURCE, "resource (closed)") \
_(ZEND_STR_NAME, "name") \
_(ZEND_STR_ARGV, "argv") \
_(ZEND_STR_ARGC, "argc") \
_(ZEND_STR_ARRAY_CAPITALIZED, "Array") \
_(ZEND_STR_BOOL, "bool") \
_(ZEND_STR_INT, "int") \
_(ZEND_STR_FLOAT, "float") \
_(ZEND_STR_CALLABLE, "callable") \
_(ZEND_STR_ITERABLE, "iterable") \
_(ZEND_STR_VOID, "void") \
_(ZEND_STR_NEVER, "never") \
_(ZEND_STR_FALSE, "false") \
_(ZEND_STR_TRUE, "true") \
_(ZEND_STR_NULL_LOWERCASE, "null") \
_(ZEND_STR_MIXED, "mixed") \
_(ZEND_STR_TRAVERSABLE, "Traversable") \
_(ZEND_STR_SLEEP, "__sleep") \
_(ZEND_STR_WAKEUP, "__wakeup") \
_(ZEND_STR_CASES, "cases") \
_(ZEND_STR_FROM, "from") \
_(ZEND_STR_TRYFROM, "tryFrom") \
_(ZEND_STR_TRYFROM_LOWERCASE, "tryfrom") \
_(ZEND_STR_AUTOGLOBAL_SERVER, "_SERVER") \
_(ZEND_STR_AUTOGLOBAL_ENV, "_ENV") \
_(ZEND_STR_AUTOGLOBAL_REQUEST, "_REQUEST") \
_(ZEND_STR_COUNT, "count") \
_(ZEND_STR_SENSITIVEPARAMETER, "SensitiveParameter") \
_(ZEND_STR_CONST_EXPR_PLACEHOLDER, "[constant expression]") \
typedef enum _zend_known_string_id {
#define _ZEND_STR_ID(id, str) id,
ZEND_KNOWN_STRINGS(_ZEND_STR_ID)
#undef _ZEND_STR_ID
ZEND_STR_LAST_KNOWN
} zend_known_string_id;
#endif /* ZEND_STRING_H */
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