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array.c
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/*
+----------------------------------------------------------------------+
| Copyright (c) The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| https://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| [email protected] so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Andi Gutmans <[email protected]> |
| Zeev Suraski <[email protected]> |
| Rasmus Lerdorf <[email protected]> |
| Andrei Zmievski <[email protected]> |
| Stig Venaas <[email protected]> |
| Jason Greene <[email protected]> |
+----------------------------------------------------------------------+
*/
#include "php.h"
#include "php_ini.h"
#include <stdarg.h>
#include <stdlib.h>
#include <math.h>
#include <time.h>
#include <stdio.h>
#include <string.h>
#ifdef PHP_WIN32
#include "win32/unistd.h"
#endif
#include "zend_globals.h"
#include "zend_interfaces.h"
#include "php_globals.h"
#include "php_array.h"
#include "basic_functions.h"
#include "php_string.h"
#include "php_rand.h"
#include "php_math.h"
#include "zend_smart_str.h"
#include "zend_bitset.h"
#include "zend_exceptions.h"
#include "ext/spl/spl_array.h"
/* {{{ defines */
#define EXTR_OVERWRITE 0
#define EXTR_SKIP 1
#define EXTR_PREFIX_SAME 2
#define EXTR_PREFIX_ALL 3
#define EXTR_PREFIX_INVALID 4
#define EXTR_PREFIX_IF_EXISTS 5
#define EXTR_IF_EXISTS 6
#define EXTR_REFS 0x100
#define CASE_LOWER 0
#define CASE_UPPER 1
#define DIFF_NORMAL 1
#define DIFF_KEY 2
#define DIFF_ASSOC 6
#define DIFF_COMP_DATA_NONE -1
#define DIFF_COMP_DATA_INTERNAL 0
#define DIFF_COMP_DATA_USER 1
#define DIFF_COMP_KEY_INTERNAL 0
#define DIFF_COMP_KEY_USER 1
#define INTERSECT_NORMAL 1
#define INTERSECT_KEY 2
#define INTERSECT_ASSOC 6
#define INTERSECT_COMP_DATA_NONE -1
#define INTERSECT_COMP_DATA_INTERNAL 0
#define INTERSECT_COMP_DATA_USER 1
#define INTERSECT_COMP_KEY_INTERNAL 0
#define INTERSECT_COMP_KEY_USER 1
/* }}} */
ZEND_DECLARE_MODULE_GLOBALS(array)
/* {{{ php_array_init_globals */
static void php_array_init_globals(zend_array_globals *array_globals)
{
memset(array_globals, 0, sizeof(zend_array_globals));
}
/* }}} */
PHP_MINIT_FUNCTION(array) /* {{{ */
{
ZEND_INIT_MODULE_GLOBALS(array, php_array_init_globals, NULL);
REGISTER_LONG_CONSTANT("EXTR_OVERWRITE", EXTR_OVERWRITE, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("EXTR_SKIP", EXTR_SKIP, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("EXTR_PREFIX_SAME", EXTR_PREFIX_SAME, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("EXTR_PREFIX_ALL", EXTR_PREFIX_ALL, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("EXTR_PREFIX_INVALID", EXTR_PREFIX_INVALID, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("EXTR_PREFIX_IF_EXISTS", EXTR_PREFIX_IF_EXISTS, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("EXTR_IF_EXISTS", EXTR_IF_EXISTS, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("EXTR_REFS", EXTR_REFS, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SORT_ASC", PHP_SORT_ASC, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SORT_DESC", PHP_SORT_DESC, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SORT_REGULAR", PHP_SORT_REGULAR, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SORT_NUMERIC", PHP_SORT_NUMERIC, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SORT_STRING", PHP_SORT_STRING, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SORT_LOCALE_STRING", PHP_SORT_LOCALE_STRING, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SORT_NATURAL", PHP_SORT_NATURAL, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SORT_FLAG_CASE", PHP_SORT_FLAG_CASE, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("CASE_LOWER", CASE_LOWER, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("CASE_UPPER", CASE_UPPER, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("COUNT_NORMAL", COUNT_NORMAL, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("COUNT_RECURSIVE", COUNT_RECURSIVE, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("ARRAY_FILTER_USE_BOTH", ARRAY_FILTER_USE_BOTH, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("ARRAY_FILTER_USE_KEY", ARRAY_FILTER_USE_KEY, CONST_CS | CONST_PERSISTENT);
return SUCCESS;
}
/* }}} */
PHP_MSHUTDOWN_FUNCTION(array) /* {{{ */
{
#ifdef ZTS
ts_free_id(array_globals_id);
#endif
return SUCCESS;
}
/* }}} */
static zend_never_inline ZEND_COLD int stable_sort_fallback(Bucket *a, Bucket *b) {
if (Z_EXTRA(a->val) > Z_EXTRA(b->val)) {
return 1;
} else if (Z_EXTRA(a->val) < Z_EXTRA(b->val)) {
return -1;
} else {
return 0;
}
}
#define RETURN_STABLE_SORT(a, b, result) do { \
int _result = (result); \
if (EXPECTED(_result)) { \
return _result; \
} \
return stable_sort_fallback((a), (b)); \
} while (0)
/* Generate inlined unstable and stable variants, and non-inlined reversed variants. */
#define DEFINE_SORT_VARIANTS(name) \
static zend_never_inline int php_array_##name##_unstable(Bucket *a, Bucket *b) { \
return php_array_##name##_unstable_i(a, b); \
} \
static zend_never_inline int php_array_##name(Bucket *a, Bucket *b) { \
RETURN_STABLE_SORT(a, b, php_array_##name##_unstable_i(a, b)); \
} \
static zend_never_inline int php_array_reverse_##name##_unstable(Bucket *a, Bucket *b) { \
return php_array_##name##_unstable(a, b) * -1; \
} \
static zend_never_inline int php_array_reverse_##name(Bucket *a, Bucket *b) { \
RETURN_STABLE_SORT(a, b, php_array_reverse_##name##_unstable(a, b)); \
} \
static zend_always_inline int php_array_key_compare_unstable_i(Bucket *f, Bucket *s) /* {{{ */
{
zend_uchar t;
zend_long l1, l2;
double d;
if (f->key == NULL) {
if (s->key == NULL) {
return (zend_long)f->h > (zend_long)s->h ? 1 : -1;
} else {
l1 = (zend_long)f->h;
t = is_numeric_string(s->key->val, s->key->len, &l2, &d, 1);
if (t == IS_LONG) {
/* pass */
} else if (t == IS_DOUBLE) {
return ZEND_NORMALIZE_BOOL((double)l1 - d);
} else {
l2 = 0;
}
}
} else {
if (s->key) {
return zendi_smart_strcmp(f->key, s->key);
} else {
l2 = (zend_long)s->h;
t = is_numeric_string(f->key->val, f->key->len, &l1, &d, 1);
if (t == IS_LONG) {
/* pass */
} else if (t == IS_DOUBLE) {
return ZEND_NORMALIZE_BOOL(d - (double)l2);
} else {
l1 = 0;
}
}
}
return ZEND_NORMALIZE_BOOL(l1 - l2);
}
/* }}} */
static zend_always_inline int php_array_key_compare_numeric_unstable_i(Bucket *f, Bucket *s) /* {{{ */
{
if (f->key == NULL && s->key == NULL) {
return (zend_long)f->h > (zend_long)s->h ? 1 : -1;
} else {
double d1, d2;
if (f->key) {
d1 = zend_strtod(f->key->val, NULL);
} else {
d1 = (double)(zend_long)f->h;
}
if (s->key) {
d2 = zend_strtod(s->key->val, NULL);
} else {
d2 = (double)(zend_long)s->h;
}
return ZEND_NORMALIZE_BOOL(d1 - d2);
}
}
/* }}} */
static zend_always_inline int php_array_key_compare_string_case_unstable_i(Bucket *f, Bucket *s) /* {{{ */
{
const char *s1, *s2;
size_t l1, l2;
char buf1[MAX_LENGTH_OF_LONG + 1];
char buf2[MAX_LENGTH_OF_LONG + 1];
if (f->key) {
s1 = f->key->val;
l1 = f->key->len;
} else {
s1 = zend_print_long_to_buf(buf1 + sizeof(buf1) - 1, f->h);
l1 = buf1 + sizeof(buf1) - 1 - s1;
}
if (s->key) {
s2 = s->key->val;
l2 = s->key->len;
} else {
s2 = zend_print_long_to_buf(buf2 + sizeof(buf2) - 1, s->h);
l2 = buf2 + sizeof(buf2) - 1 - s1;
}
return zend_binary_strcasecmp_l(s1, l1, s2, l2);
}
/* }}} */
static zend_always_inline int php_array_key_compare_string_unstable_i(Bucket *f, Bucket *s) /* {{{ */
{
const char *s1, *s2;
size_t l1, l2;
char buf1[MAX_LENGTH_OF_LONG + 1];
char buf2[MAX_LENGTH_OF_LONG + 1];
if (f->key) {
s1 = f->key->val;
l1 = f->key->len;
} else {
s1 = zend_print_long_to_buf(buf1 + sizeof(buf1) - 1, f->h);
l1 = buf1 + sizeof(buf1) - 1 - s1;
}
if (s->key) {
s2 = s->key->val;
l2 = s->key->len;
} else {
s2 = zend_print_long_to_buf(buf2 + sizeof(buf2) - 1, s->h);
l2 = buf2 + sizeof(buf2) - 1 - s2;
}
return zend_binary_strcmp(s1, l1, s2, l2);
}
/* }}} */
static int php_array_key_compare_string_natural_general(Bucket *f, Bucket *s, int fold_case) /* {{{ */
{
const char *s1, *s2;
size_t l1, l2;
char buf1[MAX_LENGTH_OF_LONG + 1];
char buf2[MAX_LENGTH_OF_LONG + 1];
if (f->key) {
s1 = f->key->val;
l1 = f->key->len;
} else {
s1 = zend_print_long_to_buf(buf1 + sizeof(buf1) - 1, f->h);
l1 = buf1 + sizeof(buf1) - 1 - s1;
}
if (s->key) {
s2 = s->key->val;
l2 = s->key->len;
} else {
s2 = zend_print_long_to_buf(buf2 + sizeof(buf2) - 1, s->h);
l2 = buf2 + sizeof(buf2) - 1 - s1;
}
return strnatcmp_ex(s1, l1, s2, l2, fold_case);
}
/* }}} */
static int php_array_key_compare_string_natural_case(Bucket *a, Bucket *b) /* {{{ */
{
RETURN_STABLE_SORT(a, b, php_array_key_compare_string_natural_general(a, b, 1));
}
/* }}} */
static int php_array_reverse_key_compare_string_natural_case(Bucket *a, Bucket *b) /* {{{ */
{
RETURN_STABLE_SORT(a, b, php_array_key_compare_string_natural_general(b, a, 1));
}
/* }}} */
static int php_array_key_compare_string_natural(Bucket *a, Bucket *b) /* {{{ */
{
RETURN_STABLE_SORT(a, b, php_array_key_compare_string_natural_general(a, b, 0));
}
/* }}} */
static int php_array_reverse_key_compare_string_natural(Bucket *a, Bucket *b) /* {{{ */
{
RETURN_STABLE_SORT(a, b, php_array_key_compare_string_natural_general(b, a, 0));
}
/* }}} */
static zend_always_inline int php_array_key_compare_string_locale_unstable_i(Bucket *f, Bucket *s) /* {{{ */
{
const char *s1, *s2;
char buf1[MAX_LENGTH_OF_LONG + 1];
char buf2[MAX_LENGTH_OF_LONG + 1];
if (f->key) {
s1 = f->key->val;
} else {
s1 = zend_print_long_to_buf(buf1 + sizeof(buf1) - 1, f->h);
}
if (s->key) {
s2 = s->key->val;
} else {
s2 = zend_print_long_to_buf(buf2 + sizeof(buf2) - 1, s->h);
}
return strcoll(s1, s2);
}
/* }}} */
static zend_always_inline int php_array_data_compare_unstable_i(Bucket *f, Bucket *s) /* {{{ */
{
return zend_compare(&f->val, &s->val);
}
/* }}} */
static zend_always_inline int php_array_data_compare_numeric_unstable_i(Bucket *f, Bucket *s) /* {{{ */
{
return numeric_compare_function(&f->val, &s->val);
}
/* }}} */
static zend_always_inline int php_array_data_compare_string_case_unstable_i(Bucket *f, Bucket *s) /* {{{ */
{
return string_case_compare_function(&f->val, &s->val);
}
/* }}} */
static zend_always_inline int php_array_data_compare_string_unstable_i(Bucket *f, Bucket *s) /* {{{ */
{
return string_compare_function(&f->val, &s->val);
}
/* }}} */
static int php_array_natural_general_compare(Bucket *f, Bucket *s, int fold_case) /* {{{ */
{
zend_string *tmp_str1, *tmp_str2;
zend_string *str1 = zval_get_tmp_string(&f->val, &tmp_str1);
zend_string *str2 = zval_get_tmp_string(&s->val, &tmp_str2);
int result = strnatcmp_ex(ZSTR_VAL(str1), ZSTR_LEN(str1), ZSTR_VAL(str2), ZSTR_LEN(str2), fold_case);
zend_tmp_string_release(tmp_str1);
zend_tmp_string_release(tmp_str2);
return result;
}
/* }}} */
static zend_always_inline int php_array_natural_compare_unstable_i(Bucket *a, Bucket *b) /* {{{ */
{
return php_array_natural_general_compare(a, b, 0);
}
/* }}} */
static zend_always_inline int php_array_natural_case_compare_unstable_i(Bucket *a, Bucket *b) /* {{{ */
{
return php_array_natural_general_compare(a, b, 1);
}
/* }}} */
static int php_array_data_compare_string_locale_unstable_i(Bucket *f, Bucket *s) /* {{{ */
{
return string_locale_compare_function(&f->val, &s->val);
}
/* }}} */
DEFINE_SORT_VARIANTS(key_compare);
DEFINE_SORT_VARIANTS(key_compare_numeric);
DEFINE_SORT_VARIANTS(key_compare_string_case);
DEFINE_SORT_VARIANTS(key_compare_string);
DEFINE_SORT_VARIANTS(key_compare_string_locale);
DEFINE_SORT_VARIANTS(data_compare);
DEFINE_SORT_VARIANTS(data_compare_numeric);
DEFINE_SORT_VARIANTS(data_compare_string_case);
DEFINE_SORT_VARIANTS(data_compare_string);
DEFINE_SORT_VARIANTS(data_compare_string_locale);
DEFINE_SORT_VARIANTS(natural_compare);
DEFINE_SORT_VARIANTS(natural_case_compare);
static bucket_compare_func_t php_get_key_compare_func(zend_long sort_type, int reverse) /* {{{ */
{
switch (sort_type & ~PHP_SORT_FLAG_CASE) {
case PHP_SORT_NUMERIC:
if (reverse) {
return php_array_reverse_key_compare_numeric;
} else {
return php_array_key_compare_numeric;
}
break;
case PHP_SORT_STRING:
if (sort_type & PHP_SORT_FLAG_CASE) {
if (reverse) {
return php_array_reverse_key_compare_string_case;
} else {
return php_array_key_compare_string_case;
}
} else {
if (reverse) {
return php_array_reverse_key_compare_string;
} else {
return php_array_key_compare_string;
}
}
break;
case PHP_SORT_NATURAL:
if (sort_type & PHP_SORT_FLAG_CASE) {
if (reverse) {
return php_array_reverse_key_compare_string_natural_case;
} else {
return php_array_key_compare_string_natural_case;
}
} else {
if (reverse) {
return php_array_reverse_key_compare_string_natural;
} else {
return php_array_key_compare_string_natural;
}
}
break;
case PHP_SORT_LOCALE_STRING:
if (reverse) {
return php_array_reverse_key_compare_string_locale;
} else {
return php_array_key_compare_string_locale;
}
break;
case PHP_SORT_REGULAR:
default:
if (reverse) {
return php_array_reverse_key_compare;
} else {
return php_array_key_compare;
}
break;
}
return NULL;
}
/* }}} */
static bucket_compare_func_t php_get_data_compare_func(zend_long sort_type, int reverse) /* {{{ */
{
switch (sort_type & ~PHP_SORT_FLAG_CASE) {
case PHP_SORT_NUMERIC:
if (reverse) {
return php_array_reverse_data_compare_numeric;
} else {
return php_array_data_compare_numeric;
}
break;
case PHP_SORT_STRING:
if (sort_type & PHP_SORT_FLAG_CASE) {
if (reverse) {
return php_array_reverse_data_compare_string_case;
} else {
return php_array_data_compare_string_case;
}
} else {
if (reverse) {
return php_array_reverse_data_compare_string;
} else {
return php_array_data_compare_string;
}
}
break;
case PHP_SORT_NATURAL:
if (sort_type & PHP_SORT_FLAG_CASE) {
if (reverse) {
return php_array_reverse_natural_case_compare;
} else {
return php_array_natural_case_compare;
}
} else {
if (reverse) {
return php_array_reverse_natural_compare;
} else {
return php_array_natural_compare;
}
}
break;
case PHP_SORT_LOCALE_STRING:
if (reverse) {
return php_array_reverse_data_compare_string_locale;
} else {
return php_array_data_compare_string_locale;
}
break;
case PHP_SORT_REGULAR:
default:
if (reverse) {
return php_array_reverse_data_compare;
} else {
return php_array_data_compare;
}
break;
}
return NULL;
}
/* }}} */
static bucket_compare_func_t php_get_data_compare_func_unstable(zend_long sort_type, int reverse) /* {{{ */
{
switch (sort_type & ~PHP_SORT_FLAG_CASE) {
case PHP_SORT_NUMERIC:
if (reverse) {
return php_array_reverse_data_compare_numeric_unstable;
} else {
return php_array_data_compare_numeric_unstable;
}
break;
case PHP_SORT_STRING:
if (sort_type & PHP_SORT_FLAG_CASE) {
if (reverse) {
return php_array_reverse_data_compare_string_case_unstable;
} else {
return php_array_data_compare_string_case_unstable;
}
} else {
if (reverse) {
return php_array_reverse_data_compare_string_unstable;
} else {
return php_array_data_compare_string_unstable;
}
}
break;
case PHP_SORT_NATURAL:
if (sort_type & PHP_SORT_FLAG_CASE) {
if (reverse) {
return php_array_reverse_natural_case_compare_unstable;
} else {
return php_array_natural_case_compare_unstable;
}
} else {
if (reverse) {
return php_array_reverse_natural_compare_unstable;
} else {
return php_array_natural_compare_unstable;
}
}
break;
case PHP_SORT_LOCALE_STRING:
if (reverse) {
return php_array_reverse_data_compare_string_locale_unstable;
} else {
return php_array_data_compare_string_locale_unstable;
}
break;
case PHP_SORT_REGULAR:
default:
if (reverse) {
return php_array_reverse_data_compare_unstable;
} else {
return php_array_data_compare_unstable;
}
break;
}
return NULL;
}
/* }}} */
/* {{{ Sort an array by key value in reverse order */
PHP_FUNCTION(krsort)
{
zval *array;
zend_long sort_type = PHP_SORT_REGULAR;
bucket_compare_func_t cmp;
ZEND_PARSE_PARAMETERS_START(1, 2)
Z_PARAM_ARRAY_EX(array, 0, 1)
Z_PARAM_OPTIONAL
Z_PARAM_LONG(sort_type)
ZEND_PARSE_PARAMETERS_END();
cmp = php_get_key_compare_func(sort_type, 1);
zend_hash_sort(Z_ARRVAL_P(array), cmp, 0);
RETURN_TRUE;
}
/* }}} */
/* {{{ Sort an array by key */
PHP_FUNCTION(ksort)
{
zval *array;
zend_long sort_type = PHP_SORT_REGULAR;
bucket_compare_func_t cmp;
ZEND_PARSE_PARAMETERS_START(1, 2)
Z_PARAM_ARRAY_EX(array, 0, 1)
Z_PARAM_OPTIONAL
Z_PARAM_LONG(sort_type)
ZEND_PARSE_PARAMETERS_END();
cmp = php_get_key_compare_func(sort_type, 0);
zend_hash_sort(Z_ARRVAL_P(array), cmp, 0);
RETURN_TRUE;
}
/* }}} */
PHPAPI zend_long php_count_recursive(HashTable *ht) /* {{{ */
{
zend_long cnt = 0;
zval *element;
if (!(GC_FLAGS(ht) & GC_IMMUTABLE)) {
if (GC_IS_RECURSIVE(ht)) {
php_error_docref(NULL, E_WARNING, "Recursion detected");
return 0;
}
GC_PROTECT_RECURSION(ht);
}
cnt = zend_hash_num_elements(ht);
ZEND_HASH_FOREACH_VAL(ht, element) {
ZVAL_DEREF(element);
if (Z_TYPE_P(element) == IS_ARRAY) {
cnt += php_count_recursive(Z_ARRVAL_P(element));
}
} ZEND_HASH_FOREACH_END();
GC_TRY_UNPROTECT_RECURSION(ht);
return cnt;
}
/* }}} */
/* {{{ Count the number of elements in a variable (usually an array) */
PHP_FUNCTION(count)
{
zval *array;
zend_long mode = COUNT_NORMAL;
zend_long cnt;
ZEND_PARSE_PARAMETERS_START(1, 2)
Z_PARAM_ZVAL(array)
Z_PARAM_OPTIONAL
Z_PARAM_LONG(mode)
ZEND_PARSE_PARAMETERS_END();
if (mode != COUNT_NORMAL && mode != COUNT_RECURSIVE) {
zend_argument_value_error(2, "must be either COUNT_NORMAL or COUNT_RECURSIVE");
RETURN_THROWS();
}
switch (Z_TYPE_P(array)) {
case IS_ARRAY:
if (mode != COUNT_RECURSIVE) {
cnt = zend_hash_num_elements(Z_ARRVAL_P(array));
} else {
cnt = php_count_recursive(Z_ARRVAL_P(array));
}
RETURN_LONG(cnt);
break;
case IS_OBJECT: {
zval retval;
/* first, we check if the handler is defined */
zend_object *zobj = Z_OBJ_P(array);
if (zobj->handlers->count_elements) {
RETVAL_LONG(1);
if (SUCCESS == zobj->handlers->count_elements(zobj, &Z_LVAL_P(return_value))) {
return;
}
if (EG(exception)) {
RETURN_THROWS();
}
}
/* if not and the object implements Countable we call its count() method */
if (instanceof_function(zobj->ce, zend_ce_countable)) {
zend_function *count_fn = zend_hash_find_ptr(&zobj->ce->function_table, ZSTR_KNOWN(ZEND_STR_COUNT));
zend_call_known_instance_method_with_0_params(count_fn, zobj, &retval);
if (Z_TYPE(retval) != IS_UNDEF) {
RETVAL_LONG(zval_get_long(&retval));
zval_ptr_dtor(&retval);
}
return;
}
}
ZEND_FALLTHROUGH;
default:
zend_argument_type_error(1, "must be of type Countable|array, %s given", zend_zval_type_name(array));
RETURN_THROWS();
}
}
/* }}} */
static void php_natsort(INTERNAL_FUNCTION_PARAMETERS, int fold_case) /* {{{ */
{
zval *array;
ZEND_PARSE_PARAMETERS_START(1, 1)
Z_PARAM_ARRAY_EX(array, 0, 1)
ZEND_PARSE_PARAMETERS_END();
if (fold_case) {
zend_hash_sort(Z_ARRVAL_P(array), php_array_natural_case_compare, 0);
} else {
zend_hash_sort(Z_ARRVAL_P(array), php_array_natural_compare, 0);
}
RETURN_TRUE;
}
/* }}} */
/* {{{ Sort an array using natural sort */
PHP_FUNCTION(natsort)
{
php_natsort(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0);
}
/* }}} */
/* {{{ Sort an array using case-insensitive natural sort */
PHP_FUNCTION(natcasesort)
{
php_natsort(INTERNAL_FUNCTION_PARAM_PASSTHRU, 1);
}
/* }}} */
/* {{{ Sort an array and maintain index association */
PHP_FUNCTION(asort)
{
zval *array;
zend_long sort_type = PHP_SORT_REGULAR;
bucket_compare_func_t cmp;
ZEND_PARSE_PARAMETERS_START(1, 2)
Z_PARAM_ARRAY_EX(array, 0, 1)
Z_PARAM_OPTIONAL
Z_PARAM_LONG(sort_type)
ZEND_PARSE_PARAMETERS_END();
cmp = php_get_data_compare_func(sort_type, 0);
zend_hash_sort(Z_ARRVAL_P(array), cmp, 0);
RETURN_TRUE;
}
/* }}} */
/* {{{ Sort an array in reverse order and maintain index association */
PHP_FUNCTION(arsort)
{
zval *array;
zend_long sort_type = PHP_SORT_REGULAR;
bucket_compare_func_t cmp;
ZEND_PARSE_PARAMETERS_START(1, 2)
Z_PARAM_ARRAY_EX(array, 0, 1)
Z_PARAM_OPTIONAL
Z_PARAM_LONG(sort_type)
ZEND_PARSE_PARAMETERS_END();
cmp = php_get_data_compare_func(sort_type, 1);
zend_hash_sort(Z_ARRVAL_P(array), cmp, 0);
RETURN_TRUE;
}
/* }}} */
/* {{{ Sort an array */
PHP_FUNCTION(sort)
{
zval *array;
zend_long sort_type = PHP_SORT_REGULAR;
bucket_compare_func_t cmp;
ZEND_PARSE_PARAMETERS_START(1, 2)
Z_PARAM_ARRAY_EX(array, 0, 1)
Z_PARAM_OPTIONAL
Z_PARAM_LONG(sort_type)
ZEND_PARSE_PARAMETERS_END();
cmp = php_get_data_compare_func(sort_type, 0);
zend_hash_sort(Z_ARRVAL_P(array), cmp, 1);
RETURN_TRUE;
}
/* }}} */
/* {{{ Sort an array in reverse order */
PHP_FUNCTION(rsort)
{
zval *array;
zend_long sort_type = PHP_SORT_REGULAR;
bucket_compare_func_t cmp;
ZEND_PARSE_PARAMETERS_START(1, 2)
Z_PARAM_ARRAY_EX(array, 0, 1)
Z_PARAM_OPTIONAL
Z_PARAM_LONG(sort_type)
ZEND_PARSE_PARAMETERS_END();
cmp = php_get_data_compare_func(sort_type, 1);
zend_hash_sort(Z_ARRVAL_P(array), cmp, 1);
RETURN_TRUE;
}
/* }}} */
static inline int php_array_user_compare_unstable(Bucket *f, Bucket *s) /* {{{ */
{
zval args[2];
zval retval;
bool call_failed;
ZVAL_COPY(&args[0], &f->val);
ZVAL_COPY(&args[1], &s->val);
BG(user_compare_fci).param_count = 2;
BG(user_compare_fci).params = args;
BG(user_compare_fci).retval = &retval;
call_failed = zend_call_function(&BG(user_compare_fci), &BG(user_compare_fci_cache)) == FAILURE || Z_TYPE(retval) == IS_UNDEF;
zval_ptr_dtor(&args[1]);
zval_ptr_dtor(&args[0]);
if (UNEXPECTED(call_failed)) {
return 0;
}
if (UNEXPECTED(Z_TYPE(retval) == IS_FALSE || Z_TYPE(retval) == IS_TRUE)) {
if (!ARRAYG(compare_deprecation_thrown)) {
php_error_docref(NULL, E_DEPRECATED,
"Returning bool from comparison function is deprecated, "
"return an integer less than, equal to, or greater than zero");
ARRAYG(compare_deprecation_thrown) = 1;
}
if (Z_TYPE(retval) == IS_FALSE) {
/* Retry with swapped operands. */
ZVAL_COPY(&args[0], &s->val);
ZVAL_COPY(&args[1], &f->val);
call_failed = zend_call_function(&BG(user_compare_fci), &BG(user_compare_fci_cache)) == FAILURE || Z_TYPE(retval) == IS_UNDEF;
zval_ptr_dtor(&args[1]);
zval_ptr_dtor(&args[0]);
if (call_failed) {
return 0;
}
zend_long ret = zval_get_long(&retval);
zval_ptr_dtor(&retval);
return -ZEND_NORMALIZE_BOOL(ret);
}
}
zend_long ret = zval_get_long(&retval);
zval_ptr_dtor(&retval);
return ZEND_NORMALIZE_BOOL(ret);
}
/* }}} */
static int php_array_user_compare(Bucket *a, Bucket *b) /* {{{ */
{
RETURN_STABLE_SORT(a, b, php_array_user_compare_unstable(a, b));
}
/* }}} */
#define PHP_ARRAY_CMP_FUNC_VARS \
zend_fcall_info old_user_compare_fci; \
zend_fcall_info_cache old_user_compare_fci_cache \
#define PHP_ARRAY_CMP_FUNC_BACKUP() \
old_user_compare_fci = BG(user_compare_fci); \
old_user_compare_fci_cache = BG(user_compare_fci_cache); \
ARRAYG(compare_deprecation_thrown) = 0; \
BG(user_compare_fci_cache) = empty_fcall_info_cache; \
#define PHP_ARRAY_CMP_FUNC_RESTORE() \
BG(user_compare_fci) = old_user_compare_fci; \
BG(user_compare_fci_cache) = old_user_compare_fci_cache; \
static void php_usort(INTERNAL_FUNCTION_PARAMETERS, bucket_compare_func_t compare_func, bool renumber) /* {{{ */
{
zval *array;
zend_array *arr;
PHP_ARRAY_CMP_FUNC_VARS;
PHP_ARRAY_CMP_FUNC_BACKUP();
ZEND_PARSE_PARAMETERS_START(2, 2)
Z_PARAM_ARRAY_EX2(array, 0, 1, 0)
Z_PARAM_FUNC(BG(user_compare_fci), BG(user_compare_fci_cache))
ZEND_PARSE_PARAMETERS_END_EX( PHP_ARRAY_CMP_FUNC_RESTORE(); return );
arr = Z_ARR_P(array);
if (zend_hash_num_elements(arr) == 0) {
PHP_ARRAY_CMP_FUNC_RESTORE();
RETURN_TRUE;
}
/* Copy array, so the in-place modifications will not be visible to the callback function */
arr = zend_array_dup(arr);
zend_hash_sort(arr, compare_func, renumber);
zval garbage;
ZVAL_COPY_VALUE(&garbage, array);
ZVAL_ARR(array, arr);
zval_ptr_dtor(&garbage);
PHP_ARRAY_CMP_FUNC_RESTORE();
RETURN_TRUE;
}
/* }}} */
/* {{{ Sort an array by values using a user-defined comparison function */
PHP_FUNCTION(usort)
{
php_usort(INTERNAL_FUNCTION_PARAM_PASSTHRU, php_array_user_compare, 1);
}
/* }}} */
/* {{{ Sort an array with a user-defined comparison function and maintain index association */
PHP_FUNCTION(uasort)
{
php_usort(INTERNAL_FUNCTION_PARAM_PASSTHRU, php_array_user_compare, 0);
}
/* }}} */
static inline int php_array_user_key_compare_unstable(Bucket *f, Bucket *s) /* {{{ */
{
zval args[2];
zval retval;
bool call_failed;
if (f->key == NULL) {
ZVAL_LONG(&args[0], f->h);
} else {
ZVAL_STR_COPY(&args[0], f->key);
}
if (s->key == NULL) {
ZVAL_LONG(&args[1], s->h);
} else {
ZVAL_STR_COPY(&args[1], s->key);
}
BG(user_compare_fci).param_count = 2;
BG(user_compare_fci).params = args;
BG(user_compare_fci).retval = &retval;
call_failed = zend_call_function(&BG(user_compare_fci), &BG(user_compare_fci_cache)) == FAILURE || Z_TYPE(retval) == IS_UNDEF;
zval_ptr_dtor(&args[1]);
zval_ptr_dtor(&args[0]);
if (UNEXPECTED(call_failed)) {
return 0;
}
if (UNEXPECTED(Z_TYPE(retval) == IS_FALSE || Z_TYPE(retval) == IS_TRUE)) {
if (!ARRAYG(compare_deprecation_thrown)) {
php_error_docref(NULL, E_DEPRECATED,
"Returning bool from comparison function is deprecated, "
"return an integer less than, equal to, or greater than zero");
ARRAYG(compare_deprecation_thrown) = 1;