Vergleich inc/db_mysqli.php - 1.8.3 - 1.8.12

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* */	* */
class DB_MySQLi	class DB_MySQLi implements DB_Base
{ /** * The title of this layer.	{ /** * The title of this layer.
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/** * The read database connection resource. *	/** * The read database connection resource. *
* @var resource	* @var mysqli
/ public $read_link; /* * The write database connection resource *	/ public $read_link; /* * The write database connection resource *
* @var resource	* @var mysqli
/ public $write_link; /* * Reference to the last database connection resource used. *	/ public $write_link; /* * Reference to the last database connection resource used. *
* @var resource	* @var mysqli
*/ public $current_link;	*/ public $current_link;
	/** * The database name. * * @var string */ public $database;
/** * Explanation of a query.	/** * Explanation of a query.
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/** * Connect to the database server. *	/** * Connect to the database server. *
* @param array Array of DBMS connection details. * @return resource The DB connection resource. Returns false on fail or -1 on a db connect failure.	* @param array $config Array of DBMS connection details. * @return mysqli The DB connection resource. Returns false on fail or -1 on a db connect failure.
*/ function connect($config) {	*/ function connect($config) {
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/** * Selects the database to use. *	/** * Selects the database to use. *
* @param string The database name.	* @param string $database The database name.
* @return boolean True when successfully connected, false if not. */ function select_db($database) {	* @return boolean True when successfully connected, false if not. */ function select_db($database) {
global $mybb;	$this->database = $database;
$master_success = @mysqli_select_db($this->read_link, $database) or $this->error("[READ] Unable to select database", $this->read_link); if($this->write_link)	$master_success = @mysqli_select_db($this->read_link, $database) or $this->error("[READ] Unable to select database", $this->read_link); if($this->write_link)
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/** * Query the database. *	/** * Query the database. *
* @param string The query SQL. * @param boolean 1 if hide errors, 0 if not. * @param integer 1 if executes on master database, 0 if not. * @return resource The query data.	* @param string $string The query SQL. * @param boolean\|int $hide_errors 1 if hide errors, 0 if not. * @param integer $write_query 1 if executes on master database, 0 if not. * @return mysqli_result The query data.
*/ function query($string, $hide_errors=0, $write_query=0) {	*/ function query($string, $hide_errors=0, $write_query=0) {
global $pagestarttime, $db, $mybb;	global $mybb;
get_execution_time();	get_execution_time();
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if($write_query) { $this->last_query_type = 1;	if($write_query) { $this->last_query_type = 1;
}	}
else { $this->last_query_type = 0;	else { $this->last_query_type = 0;
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/** * Execute a write query on the master database *	/** * Execute a write query on the master database *
* @param string The query SQL. * @param boolean 1 if hide errors, 0 if not. * @return resource The query data.	* @param string $query The query SQL. * @param boolean\|int $hide_errors 1 if hide errors, 0 if not. * @return mysqli_result The query data.
*/ function write_query($query, $hide_errors=0) {	*/ function write_query($query, $hide_errors=0) {
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/** * Explain a query on the database. *	/** * Explain a query on the database. *
* @param string The query SQL. * @param string The time it took to perform the query.	* @param string $string The query SQL. * @param string $qtime The time it took to perform the query.
*/ function explain_query($string, $qtime) {	*/ function explain_query($string, $qtime) {
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"<td>".$table['rows']."</td>\n". "<td>".$table['Extra']."</td>\n". "</tr>\n";	"<td>".$table['rows']."</td>\n". "<td>".$table['Extra']."</td>\n". "</tr>\n";
}	}
$this->explain .= "<tr>\n". "<td colspan=\"8\" style=\"background-color: #fff;\">Query Time: ".format_time_duration($qtime)."</td>\n".	$this->explain .= "<tr>\n". "<td colspan=\"8\" style=\"background-color: #fff;\">Query Time: ".format_time_duration($qtime)."</td>\n".
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/** * Return a result array for a query. *	/** * Return a result array for a query. *
* @param resource The query data. * @param constant The type of array to return.	* @param mysqli_result $query The query data. * @param int $resulttype The type of array to return. Either MYSQLI_NUM, MYSQLI_BOTH or MYSQLI_ASSOC
* @return array The array of results. */ function fetch_array($query, $resulttype=MYSQLI_ASSOC)	* @return array The array of results. */ function fetch_array($query, $resulttype=MYSQLI_ASSOC)
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/** * Return a specific field from a query. *	/** * Return a specific field from a query. *
* @param resource The query ID. * @param string The name of the field to return. * @param int The number of the row to fetch it from.	* @param mysqli_result $query The query ID. * @param string $field The name of the field to return. * @param int\|bool $row The number of the row to fetch it from.
*/ function fetch_field($query, $field, $row=false) {	*/ function fetch_field($query, $field, $row=false) {
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/** * Moves internal row pointer to the next row *	/** * Moves internal row pointer to the next row *
* @param resource The query ID. * @param int The pointer to move the row to.	* @param mysqli_result $query The query ID. * @param int $row The pointer to move the row to. * @return bool
*/ function data_seek($query, $row) {	*/ function data_seek($query, $row) {
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/** * Return the number of rows resulting from a query. *	/** * Return the number of rows resulting from a query. *
* @param resource The query data.	* @param mysqli_result $query The query data.
* @return int The number of rows in the result. */ function num_rows($query)	* @return int The number of rows in the result. */ function num_rows($query)
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/** * Output a database error. *	/** * Output a database error. *
* @param string The string to present as an error.	* @param string $string The string to present as an error. * @return bool Whether error reporting is enabled or not
*/ function error($string="") {	*/ function error($string="") {
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{ trigger_error("<strong>[SQL] [".$this->error_number()."] ".$this->error_string()."</strong><br />{$string}", E_USER_ERROR); }	{ trigger_error("<strong>[SQL] [".$this->error_number()."] ".$this->error_string()."</strong><br />{$string}", E_USER_ERROR); }
	return true;
} else { return false;	} else { return false;
} }	} }
/** * Returns the number of affected rows in a query. * * @return int The number of affected rows.	/** * Returns the number of affected rows in a query. * * @return int The number of affected rows.
*/	*/
function affected_rows() { return mysqli_affected_rows($this->current_link);	function affected_rows() { return mysqli_affected_rows($this->current_link);
} /**	} /**
* Return the number of fields. *	* Return the number of fields. *
* @param resource The query data.	* @param mysqli_result $query The query data.
* @return int The number of fields. */ function num_fields($query)	* @return int The number of fields. */ function num_fields($query)
{	{
return mysqli_num_fields($query); } /**	return mysqli_num_fields($query); } /**
* Lists all functions in the database.	* Lists all tables in the database.
*	*
* @param string The database name. * @param string Prefix of the table (optional)	* @param string $database The database name. * @param string $prefix Prefix of the table (optional)
* @return array The table list. */ function list_tables($database, $prefix='') { if($prefix)	* @return array The table list. */ function list_tables($database, $prefix='') { if($prefix)
{ $query = $this->query("SHOW TABLES FROM `$database` LIKE '".$this->escape_string($prefix)."%'"); }	{ if(version_compare($this->get_version(), '5.0.2', '>=')) { $query = $this->query("SHOW FULL TABLES FROM `$database` WHERE table_type = 'BASE TABLE' AND `Tables_in_$database` LIKE '".$this->escape_string($prefix)."%'"); } else { $query = $this->query("SHOW TABLES FROM `$database` LIKE '".$this->escape_string($prefix)."%'"); } }
else {	else {
$query = $this->query("SHOW TABLES FROM `$database`");	if(version_compare($this->get_version(), '5.0.2', '>=')) { $query = $this->query("SHOW FULL TABLES FROM `$database` WHERE table_type = 'BASE TABLE'"); } else { $query = $this->query("SHOW TABLES FROM `$database`"); }
} $tables = array();	} $tables = array();
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{ $tables[] = $table; }	{ $tables[] = $table; }

return $tables;	return $tables;
}	}
/** * Check if a table exists in a database. *	/** * Check if a table exists in a database. *
* @param string The table name.	* @param string $table The table name.
* @return boolean True when exists, false if not. */ function table_exists($table) { // Execute on master server to ensure if we've just created a table that we get the correct result	* @return boolean True when exists, false if not. */ function table_exists($table) { // Execute on master server to ensure if we've just created a table that we get the correct result
$query = $this->write_query(" SHOW TABLES LIKE '{$this->table_prefix}$table' "); $exists = $this->num_rows($query); if($exists > 0)	if(version_compare($this->get_version(), '5.0.2', '>='))
{	{
return true;	$query = $this->query("SHOW FULL TABLES FROM `".$this->database."` WHERE table_type = 'BASE TABLE' AND `Tables_in_".$this->database."` = '{$this->table_prefix}$table'"); } else { $query = $this->query("SHOW TABLES LIKE '{$this->table_prefix}$table'"); } $exists = $this->num_rows($query); if($exists > 0) { return true;
} else {	} else {
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/** * Check if a field exists in a database. *	/** * Check if a field exists in a database. *
* @param string The field name. * @param string The table name.	* @param string $field The field name. * @param string $table The table name.
* @return boolean True when exists, false if not.	* @return boolean True when exists, false if not.
*/	*/
function field_exists($field, $table) { $query = $this->write_query("	function field_exists($field, $table) { $query = $this->write_query("
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if($exists > 0) { return true;	if($exists > 0) { return true;
}	}
else { return false;	else { return false;
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/** * Add a shutdown query. *	/** * Add a shutdown query. *
* @param resource The query data. * @param string An optional name for the query.	* @param mysqli_result $query The query data. * @param string $name An optional name for the query.
*/	*/
function shutdown_query($query, $name=0)	function shutdown_query($query, $name="")
{ global $shutdown_queries; if($name)	{ global $shutdown_queries; if($name)
{	{
$shutdown_queries[$name] = $query; } else	$shutdown_queries[$name] = $query; } else
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/** * Performs a simple select query. *	/** * Performs a simple select query. *
* @param string The table name to be queried. * @param string Comma delimetered list of fields to be selected. * @param string SQL formatted list of conditions to be matched. * @param array List of options: group by, order by, order direction, limit, limit start. * @return resource The query data.	* @param string $table The table name to be queried. * @param string $fields Comma delimetered list of fields to be selected. * @param string $conditions SQL formatted list of conditions to be matched. * @param array $options List of options: group by, order by, order direction, limit, limit start. * @return mysqli_result The query data.
/ function simple_select($table, $fields="", $conditions="", $options=array()) {	/ function simple_select($table, $fields="", $conditions="", $options=array()) {
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/** * Build an insert query from an array. *	/** * Build an insert query from an array. *
* @param string The table name to perform the query on. * @param array An array of fields and their values.	* @param string $table The table name to perform the query on. * @param array $array An array of fields and their values.
* @return int The insert ID if available */ function insert_query($table, $array)	* @return int The insert ID if available */ function insert_query($table, $array)
{ global $mybb; if(!is_array($array)) { return false;	{ global $mybb; if(!is_array($array)) { return false;
} foreach($array as $field => $value)	} foreach($array as $field => $value)
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} else {	} else {
$array[$field] = "'{$value}'";	$array[$field] = $this->quote_val($value);
} }	} }
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/** * Build one query for multiple inserts from a multidimensional array. *	/** * Build one query for multiple inserts from a multidimensional array. *
* @param string The table name to perform the query on. * @param array An array of inserts. * @return int The insert ID if available	* @param string $table The table name to perform the query on. * @param array $array An array of inserts. * @return void
*/ function insert_query_multiple($table, $array) {	*/ function insert_query_multiple($table, $array) {
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if(!is_array($array)) {	if(!is_array($array)) {
return false;	return;
} // Field names $fields = array_keys($array[0]);	} // Field names $fields = array_keys($array[0]);
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} else {	} else {
$values[$field] = "'{$value}'";	$values[$field] = $this->quote_val($value);
} } $insert_rows[] = "(".implode(",", $values).")";	} } $insert_rows[] = "(".implode(",", $values).")";
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/** * Build an update query from an array. *	/** * Build an update query from an array. *
* @param string The table name to perform the query on. * @param array An array of fields and their values. * @param string An optional where clause for the query. * @param string An optional limit clause for the query. * @param boolean An option to quote incoming values of the array. * @return resource The query data.	* @param string $table The table name to perform the query on. * @param array $array An array of fields and their values. * @param string $where An optional where clause for the query. * @param string $limit An optional limit clause for the query. * @param boolean $no_quote An option to quote incoming values of the array. * @return mysqli_result The query data.
*/ function update_query($table, $array, $where="", $limit="", $no_quote=false) {	*/ function update_query($table, $array, $where="", $limit="", $no_quote=false) {
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} else {	} else {
if(is_numeric($value)) { $query .= $comma."`".$field."`={$value}"; } else { $query .= $comma."`".$field."`={$quote}{$value}{$quote}"; }	$quoted_value = $this->quote_val($value, $quote); $query .= $comma."`".$field."`={$quoted_value}";
} $comma = ', ';	} $comma = ', ';
} if(!empty($where)) { $query .= " WHERE $where"; }	} if(!empty($where)) { $query .= " WHERE $where"; }
if(!empty($limit)) {	if(!empty($limit)) {
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UPDATE {$this->table_prefix}$table SET $query ");	UPDATE {$this->table_prefix}$table SET $query ");
} /**	} /** * @param int\|string $value * @param string $quote * * @return int\|string / private function quote_val($value, $quote="'") { if(is_int($value)) { $quoted = $value; } else { $quoted = $quote . $value . $quote; } return $quoted; } /*
* Build a delete query. *	* Build a delete query. *
* @param string The table name to perform the query on. * @param string An optional where clause for the query. * @param string An optional limit clause for the query. * @return resource The query data.	* @param string $table The table name to perform the query on. * @param string $where An optional where clause for the query. * @param string $limit An optional limit clause for the query. * @return mysqli_result The query data.
*/ function delete_query($table, $where="", $limit="") {	*/ function delete_query($table, $where="", $limit="") {
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/** * Escape a string according to the MySQL escape format. *	/** * Escape a string according to the MySQL escape format. *
* @param string The string to be escaped.	* @param string $string The string to be escaped.
* @return string The escaped string. */ function escape_string($string)	* @return string The escaped string. */ function escape_string($string)
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/** * Frees the resources of a MySQLi query. *	/** * Frees the resources of a MySQLi query. *
* @param object The query to destroy. * @return boolean Returns true on success, false on faliure	* @param mysqli_result $query The query to destroy. * @return boolean Returns true
*/ function free_result($query)	*/ function free_result($query)
{ return mysqli_free_result($query); }	{ mysqli_free_result($query); return true; // Kept for compatibility reasons }
/** * Escape a string used within a like command. *	/** * Escape a string used within a like command. *
* @param string The string to be escaped.	* @param string $string The string to be escaped.
* @return string The escaped string. */ function escape_string_like($string)	* @return string The escaped string. */ function escape_string_like($string)
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return $this->version; }	return $this->version; }
$version = @mysqli_get_server_info($this->read_link); if(!$version) { $query = $this->query("SELECT VERSION() as version"); $ver = $this->fetch_array($query); $version = $ver['version']; }	$query = $this->query("SELECT VERSION() as version"); $ver = $this->fetch_array($query); $version = $ver['version'];
if($version) {	if($version) {
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/** * Optimizes a specific table. *	/** * Optimizes a specific table. *
* @param string The name of the table to be optimized.	* @param string $table The name of the table to be optimized.
*/ function optimize_table($table) {	*/ function optimize_table($table) {
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/** * Analyzes a specific table. *	/** * Analyzes a specific table. *
* @param string The name of the table to be analyzed.	* @param string $table The name of the table to be analyzed.
*/ function analyze_table($table) {	*/ function analyze_table($table) {
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/** * Show the "create table" command for a specific table. *	/** * Show the "create table" command for a specific table. *
* @param string The name of the table.	* @param string $table The name of the table.
* @return string The MySQL command to create the specified table. */ function show_create_table($table)	* @return string The MySQL command to create the specified table. */ function show_create_table($table)
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/** * Show the "show fields from" command for a specific table. *	/** * Show the "show fields from" command for a specific table. *
* @param string The name of the table. * @return string Field info for that table	* @param string $table The name of the table. * @return array Field info for that table
*/ function show_fields_from($table) { $query = $this->write_query("SHOW FIELDS FROM ".$this->table_prefix.$table."");	*/ function show_fields_from($table) { $query = $this->write_query("SHOW FIELDS FROM ".$this->table_prefix.$table."");
	$field_info = array();
while($field = $this->fetch_array($query)) { $field_info[] = $field;	while($field = $this->fetch_array($query)) { $field_info[] = $field;
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/** * Returns whether or not the table contains a fulltext index. *	/** * Returns whether or not the table contains a fulltext index. *
* @param string The name of the table. * @param string Optionally specify the name of the index.	* @param string $table The name of the table. * @param string $index Optionally specify the name of the index.
* @return boolean True or false if the table has a fulltext index or not. */ function is_fulltext($table, $index="")	* @return boolean True or false if the table has a fulltext index or not. */ function is_fulltext($table, $index="")
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/** * Returns whether or not this database engine supports fulltext indexing. *	/** * Returns whether or not this database engine supports fulltext indexing. *
* @param string The table to be checked.	* @param string $table The table to be checked.
* @return boolean True or false if supported or not. */	* @return boolean True or false if supported or not. */
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/** * Returns whether or not this database engine supports boolean fulltext matching. *	/** * Returns whether or not this database engine supports boolean fulltext matching. *
* @param string The table to be checked.	* @param string $table The table to be checked.
* @return boolean True or false if supported or not. */ function supports_fulltext_boolean($table)	* @return boolean True or false if supported or not. */ function supports_fulltext_boolean($table)
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/** * Checks to see if an index exists on a specified table *	/** * Checks to see if an index exists on a specified table *
* @param string The name of the table. * @param string The name of the index.	* @param string $table The name of the table. * @param string $index The name of the index. * @return bool Returns whether index exists
*/ function index_exists($table, $index) {	*/ function index_exists($table, $index) {
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/** * Creates a fulltext index on the specified column in the specified table with optional index name. *	/** * Creates a fulltext index on the specified column in the specified table with optional index name. *
* @param string The name of the table. * @param string Name of the column to be indexed. * @param string The index name, optional.	* @param string $table The name of the table. * @param string $column Name of the column to be indexed. * @param string $name The index name, optional.
*/ function create_fulltext_index($table, $column, $name="") {	*/ function create_fulltext_index($table, $column, $name="") {
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/** * Drop an index with the specified name from the specified table *	/** * Drop an index with the specified name from the specified table *
* @param string The name of the table. * @param string The name of the index.	* @param string $table The name of the table. * @param string $name The name of the index.
*/ function drop_index($table, $name) {	*/ function drop_index($table, $name) {
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/** * Drop an table with the specified table *	/** * Drop an table with the specified table *
* @param boolean hard drop - no checking * @param boolean use table prefix	* @param string $table The table to drop * @param boolean $hard hard drop - no checking * @param boolean $table_prefix use table prefix
*/ function drop_table($table, $hard=false, $table_prefix=true) {	*/ function drop_table($table, $hard=false, $table_prefix=true) {
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/** * Renames a table *	/** * Renames a table *
* @param string The old table name * @param string the new table name * @param boolean use table prefix	* @param string $old_table The old table name * @param string $new_table the new table name * @param boolean $table_prefix use table prefix * @return mysqli_result
*/ function rename_table($old_table, $new_table, $table_prefix=true) {	*/ function rename_table($old_table, $new_table, $table_prefix=true) {
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/** * Replace contents of table with values *	/** * Replace contents of table with values *
* @param string The table * @param array The replacements	* @param string $table The table * @param array $replacements The replacements * @return mysqli_result\|bool
*/ function replace_query($table, $replacements=array()) {	*/ function replace_query($table, $replacements=array()) {
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} else {	} else {
$values .= $comma."`".$column."`='".$value."'";	$values .= $comma."`".$column."`=".$this->quote_val($value);
} $comma = ',';	} $comma = ',';
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/** * Drops a column *	/** * Drops a column *
* @param string The table * @param string The column name	* @param string $table The table * @param string $column The column name * @return mysqli_result
*/ function drop_column($table, $column) {	*/ function drop_column($table, $column) {
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/** * Adds a column *	/** * Adds a column *
* @param string The table * @param string The column name * @param string the new column definition	* @param string $table The table * @param string $column The column name * @param string $definition the new column definition * @return mysqli_result
*/ function add_column($table, $column, $definition) {	*/ function add_column($table, $column, $definition) {
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/** * Modifies a column *	/** * Modifies a column *
* @param string The table * @param string The column name * @param string the new column definition	* @param string $table The table * @param string $column The column name * @param string $new_definition the new column definition * @return mysqli_result
*/ function modify_column($table, $column, $new_definition) {	*/ function modify_column($table, $column, $new_definition) {
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/** * Renames a column *	/** * Renames a column *
* @param string The table * @param string The old column name * @param string the new column name * @param string the new column definition	* @param string $table The table * @param string $old_column The old column name * @param string $new_column the new column name * @param string $new_definition the new column definition * @return mysqli_result
*/ function rename_column($table, $old_column, $new_column, $new_definition) {	*/ function rename_column($table, $old_column, $new_column, $new_definition) {
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/** * Sets the table prefix used by the simple select, insert, update and delete functions *	/** * Sets the table prefix used by the simple select, insert, update and delete functions *
* @param string The new table prefix	* @param string $prefix The new table prefix
*/ function set_table_prefix($prefix) {	*/ function set_table_prefix($prefix) {
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/** * Fetched the total size of all mysql tables or a specific table *	/** * Fetched the total size of all mysql tables or a specific table *
* @param string The table (optional)	* @param string $table The table (optional)
* @return integer the total size of all mysql tables or a specific table */ function fetch_size($table='')	* @return integer the total size of all mysql tables or a specific table */ function fetch_size($table='')
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/** * Fetch a list of database character sets this DBMS supports *	/** * Fetch a list of database character sets this DBMS supports *
* @return array Array of supported character sets with array key being the name, array value being display name. False if unsupported	* @return array\|bool Array of supported character sets with array key being the name, array value being display name. False if unsupported
*/ function fetch_db_charsets() {	*/ function fetch_db_charsets() {
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'cp850' => 'DOS West European', 'hp8' => 'HP West European', 'koi8r' => 'KOI8-R Relcom Russian',	'cp850' => 'DOS West European', 'hp8' => 'HP West European', 'koi8r' => 'KOI8-R Relcom Russian',
'latin1' => 'cp1252 West European',	'latin1' => 'ISO 8859-1 Latin 1',
'latin2' => 'ISO 8859-2 Central European', 'swe7' => '7bit Swedish', 'ascii' => 'US ASCII',	'latin2' => 'ISO 8859-2 Central European', 'swe7' => '7bit Swedish', 'ascii' => 'US ASCII',
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'cp1251' => 'Windows Cyrillic', 'cp1256' => 'Windows Arabic', 'cp1257' => 'Windows Baltic',	'cp1251' => 'Windows Cyrillic', 'cp1256' => 'Windows Arabic', 'cp1257' => 'Windows Baltic',
'binary' => 'Binary pseudo charset',
'geostd8' => 'GEOSTD8 Georgian', 'cp932' => 'SJIS for Windows Japanese', 'eucjpms' => 'UJIS for Windows Japanese',	'geostd8' => 'GEOSTD8 Georgian', 'cp932' => 'SJIS for Windows Japanese', 'eucjpms' => 'UJIS for Windows Japanese',
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/** * Fetch a database collation for a particular database character set *	/** * Fetch a database collation for a particular database character set *
* @param string The database character set * @return string The matching database collation, false if unsupported	* @param string $charset The database character set * @return string\|bool The matching database collation, false if unsupported
*/ function fetch_charset_collation($charset) {	*/ function fetch_charset_collation($charset) {
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'cp1251' => 'cp1251_general_ci', 'cp1256' => 'cp1256_general_ci', 'cp1257' => 'cp1257_general_ci',	'cp1251' => 'cp1251_general_ci', 'cp1256' => 'cp1256_general_ci', 'cp1257' => 'cp1257_general_ci',
'binary' => 'binary',
'geostd8' => 'geostd8_general_ci', 'cp932' => 'cp932_japanese_ci', 'eucjpms' => 'eucjpms_japanese_ci',	'geostd8' => 'geostd8_general_ci', 'cp932' => 'cp932_japanese_ci', 'eucjpms' => 'eucjpms_japanese_ci',
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/** * Binary database fields require special attention. *	/** * Binary database fields require special attention. *
* @param string Binary value	* @param string $string Binary value
* @return string Encoded binary value */ function escape_binary($string)	* @return string Encoded binary value */ function escape_binary($string)
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/** * Unescape binary data. *	/** * Unescape binary data. *
* @param string Binary value	* @param string $string Binary value
* @return string Encoded binary value */ function unescape_binary($string)	* @return string Encoded binary value */ function unescape_binary($string)