PHP mdb_env_open示例

示例#1

文件： test.php 项目： foobarhe/lmdb-php

<?php

$env = mdb_env_create();
$rc = mdb_env_open($env, "./testdb", 0, 0664);
$txn = mdb_txn_begin($env, null, 0);
$dbi = mdb_dbi_open($txn, null, 0);
$key = mdb_val_create(2);
$data = mdb_val_create("This is test write");
$rc = mdb_put($txn, $dbi, $key, $data, 0);
$rc = mdb_txn_commit($txn);
$txn = mdb_txn_begin($env, NULL, 0);
$cursor = mdb_cursor_open($txn, $dbi);
while (mdb_cursor_get($cursor, $key, $data, MDB_NEXT) == 0) {
    print_r("KEY values\n");
    print_r("size: " . mdb_val_size($key) . "\n");
    print_r("data: " . mdb_val_data($key) . "\n");
    print_r("DATA values\n");
    print_r("size: " . mdb_val_size($data) . "\n");
    print_r("data: " . mdb_val_data($data) . "\n");
}
$rc = mdb_cursor_get($cursor, $key, $data, 0);
if ($rc != 0) {
    return 0;
}
print_r("Retrived data:\n");
print_r(mdb_val_size($data) . "\n");
print_r(mdb_val_data($data) . "\n");
mdb_cursor_close($cursor);
mdb_txn_abort($txn);
mdb_dbi_close($env, $dbi);
mdb_env_close($env);

示例#2

文件： lmdb-php.php 项目： foobarhe/lmdb-php

 public function open($path, $flags, $mode)
 {
     $this->validatePtr();
     return mdb_env_open($this->getPtr(), $path, $flags, $mode);
 }