本文整理匯總了PHP中DBLayer::table_exists方法的典型用法代碼示例。如果您正苦於以下問題：PHP DBLayer::table_exists方法的具體用法？PHP DBLayer::table_exists怎麽用？PHP DBLayer::table_exists使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類DBLayer的用法示例。
在下文中一共展示了DBLayer::table_exists方法的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的PHP代碼示例。
示例1: error
$row = $forum_db->fetch_assoc($result);
if (!$row || !isset($row['Value']) || strtolower($row['Value']) != 'yes') {
error($lang_install['MySQL InnoDB Not Supported']);
}
}
}
// Validate prefix
if (strlen($db_prefix) > 0 && (!preg_match('/^[a-zA-Z_][a-zA-Z0-9_]*$/', $db_prefix) || strlen($db_prefix) > 40)) {
error(sprintf($lang_install['Invalid table prefix'], $db_prefix));
}
// Check SQLite prefix collision
if (in_array($db_type, array('sqlite', 'sqlite3')) && strtolower($db_prefix) == 'sqlite_') {
error($lang_install['SQLite prefix collision']);
}
// Make sure PunBB isn't already installed
if ($forum_db->table_exists('users')) {
$query = array('SELECT' => 'COUNT(id)', 'FROM' => 'users', 'WHERE' => 'id=1');
$result = $forum_db->query_build($query);
if ($forum_db->result($result) > 0) {
error(sprintf($lang_install['PunBB already installed'], $db_prefix, $db_name));
}
}
// Start a transaction
$forum_db->start_transaction();
// Create all tables
$schema = array('FIELDS' => array('id' => array('datatype' => 'SERIAL', 'allow_null' => false), 'username' => array('datatype' => 'VARCHAR(200)', 'allow_null' => true), 'ip' => array('datatype' => 'VARCHAR(255)', 'allow_null' => true), 'email' => array('datatype' => 'VARCHAR(80)', 'allow_null' => true), 'message' => array('datatype' => 'VARCHAR(255)', 'allow_null' => true), 'expire' => array('datatype' => 'INT(10) UNSIGNED', 'allow_null' => true), 'ban_creator' => array('datatype' => 'INT(10) UNSIGNED', 'allow_null' => false, 'default' => '0')), 'PRIMARY KEY' => array('id'));
$forum_db->create_table('bans', $schema);
$schema = array('FIELDS' => array('id' => array('datatype' => 'SERIAL', 'allow_null' => false), 'cat_name' => array('datatype' => 'VARCHAR(80)', 'allow_null' => false, 'default' => '\'New Category\''), 'disp_position' => array('datatype' => 'INT(10)', 'allow_null' => false, 'default' => '0')), 'PRIMARY KEY' => array('id'));
$forum_db->create_table('categories', $schema);
$schema = array('FIELDS' => array('id' => array('datatype' => 'SERIAL', 'allow_null' => false), 'search_for' => array('datatype' => 'VARCHAR(60)', 'allow_null' => false, 'default' => '\'\''), 'replace_with' => array('datatype' => 'VARCHAR(60)', 'allow_null' => false, 'default' => '\'\'')), 'PRIMARY KEY' => array('id'));
$forum_db->create_table('censoring', $schema);