mirrors/php-src
0
0
Fork 0
mirror of https://github.com/php/php-src.git synced 2025-01-27 14:13:41 +08:00
Code Issues Packages Projects Releases Wiki Activity

@- Implemented array_flip() function. Returns input-array with key, value

Browse Source 
@  flipped. (Thies)
(PHP array_flip) new function. no clash detection, only works for IS_STRING and IS_LONG datatypes in src-array.
This commit is contained in:
Thies C. Arntzen 1999-11-21 12:37:53 +00:00
parent ee1380e6b0
commit 2451ff5368
2 changed files with 52 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

51
ext/standard/array.c
View File

@ -83,6 +83,7 @@ function_entry array_functions[] = {
PHP_FE(array_count_values, NULL)
PHP_FE(array_reverse, NULL)
PHP_FE(array_pad, NULL)
PHP_FE(array_flip, NULL)
/* Aliases */
PHP_FALIAS(pos, current, first_arg_force_ref)
@ -1862,6 +1863,56 @@ PHP_FUNCTION(array_pad)
}
/* }}} */
/* {{{ proto array array_flip(array input)
Return array with key <-> value flipped. */
PHP_FUNCTION(array_flip)
{
zval **array, **entry, *data;
HashTable *target_hash;
char *string_key;
ulong num_key;
if (ARG_COUNT(ht) != 1 || getParametersEx(1, &array) == FAILURE) {
WRONG_PARAM_COUNT;
}
target_hash = HASH_OF(*array);
if (!target_hash) {
php_error(E_WARNING, "Wrong datatype in array_flip() call");
RETURN_FALSE;
}
array_init(return_value);
zend_hash_internal_pointer_reset(target_hash);
while (zend_hash_get_current_data(target_hash, (void **)&entry) == SUCCESS) {
MAKE_STD_ZVAL(data);
switch (zend_hash_get_current_key(target_hash, &string_key, &num_key)) {
case HASH_KEY_IS_STRING:
data->value.str.val = string_key;
data->value.str.len = strlen(string_key);
data->type = IS_STRING;
break;
case HASH_KEY_IS_LONG:
data->type = IS_LONG;
data->value.lval = num_key;
break;
}
if ((*entry)->type == IS_LONG) {
zend_hash_index_update(return_value->value.ht,(*entry)->value.lval, &data, sizeof(data), NULL);
} else if ((*entry)->type == IS_STRING) {
zend_hash_update(return_value->value.ht,(*entry)->value.str.val,(*entry)->value.str.len + 1, &data, sizeof(data), NULL);
} else {
zval_dtor(data);
php_error(E_WARNING, "Can only flip STRING and INTEGER values!");
}
zend_hash_move_forward(target_hash);
}
}
/* }}} */
int multisort_compare(const void *a, const void *b)
{
Bucket** ab = *(Bucket ***)a;

1
ext/standard/php_array.h
View File

@ -75,6 +75,7 @@ PHP_FUNCTION(array_values);
PHP_FUNCTION(array_count_values);
PHP_FUNCTION(array_reverse);
PHP_FUNCTION(array_pad);
PHP_FUNCTION(array_flip);
#define phpext_array_ptr array_module_ptr