diff options
Diffstat (limited to 'ext/standard/array.c')
| -rw-r--r-- | ext/standard/array.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/ext/standard/array.c b/ext/standard/array.c index d452607a9b..ac1d9e8d43 100644 --- a/ext/standard/array.c +++ b/ext/standard/array.c @@ -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; |