Functions
Function | Description |
---|---|
backup |
Backs up the entire database to a given file. |
compareTables |
Returns a list of SQL commands required to turn one table into another. |
connect |
Sets up the internal connections to the MySQL server(s). |
delete |
Deletes a row in the given table |
describeTable |
Gives in depth information about a MySQL table's structure and keys. |
drawColumnSelectOptions |
Draws the <select> options of all the columns in a table. |
drawTableSelectOptions |
Draws the <select> options for all of tables in the database excluding bigtree_ prefixed tables. |
dumpTable |
Returns an array of INSERT statements for the rows of a given table. |
escape |
Equivalent to mysql_real_escape_string. |
exists |
Checks to see if an entry exists for given key/value pairs. |
fetch |
Equivalent to calling mysql_fetch_assoc on a query. |
fetchAll |
Returns all remaining rows for the active query. |
fetchAllSingle |
Equivalent to the fetchAll method but only the first column of each row is returned. |
fetchSingle |
Equivalent to the fetch method but only the first column of the row is returned. |
insert |
Inserts a row into the database and returns the primary key |
insertID |
Equivalent to calling mysql_insert_id. |
nextColumnDefinition |
Return the next SQL name definition from a string. |
prepareData |
Processes form data into values understandable by the MySQL table. |
query |
Queries the MySQL server(s). |
rows |
Equivalent to calling mysql_num_rows. |
tableExists |
Determines whether a SQL table exists. |
unique |
Retrieves a unique version of a given field for a table. |
update |
Updates a row in the database |
backup
Backs up the entire database to a given file.
Return Value: true if successful.
static backup($file, $ = [])
Parameter | Description |
---|---|
$file |
Full file path to dump the database to. |
$ |
compareTables
Returns a list of SQL commands required to turn one table into another.
Return Value: An array of SQL calls to perform to turn Table A into Table B.
static compareTables($table_a, $table_b)
Parameter | Description |
---|---|
$table_a |
The table that is being translated |
$table_b |
The table that the first table will become |
connect
Sets up the internal connections to the MySQL server(s).
static connect()
delete
Deletes a row in the given table
Return Value: true if successful (even if no rows match)
static delete($table, $id)
Parameter | Description |
---|---|
$table |
The table to insert a row into |
$id |
The ID of the row to delete (or an associate array of key/value pairs to match) |
describeTable
Gives in depth information about a MySQL table's structure and keys.
Return Value: An array of table information or null if the table doesn't exist.
static describeTable($table)
Parameter | Description |
---|---|
$table |
The table name. |
drawColumnSelectOptions
Draws the <select> options of all the columns in a table.
static drawColumnSelectOptions($table, $default = null, $sorting = false)
Parameter | Description |
---|---|
$table |
The table to draw the columns for. |
$default |
The currently selected value. |
$sorting |
Whether to duplicate columns into "ASC" and "DESC" versions. |
drawTableSelectOptions
Draws the <select> options for all of tables in the database excluding bigtree_ prefixed tables.
static drawTableSelectOptions($default = null)
Parameter | Description |
---|---|
$default |
The currently selected value. |
dumpTable
Returns an array of INSERT statements for the rows of a given table.
The INSERT statements will be binary safe with binary columns requested in hex.
Return Value: An array.
static dumpTable($table)
Parameter | Description |
---|---|
$table |
Table to pull data from. |
escape
Equivalent to mysql_real_escape_string.
Escapes non-string values by first encoding them as JSON.
Return Value: Escaped string
static escape($string)
Parameter | Description |
---|---|
$string |
Value to escape |
exists
Checks to see if an entry exists for given key/value pairs.
Return Value: true if a row already exists that matches the passed in key/value pairs.
static exists($table, $values, $ignored_id = null)
Parameter | Description |
---|---|
$table |
The table to search |
$values |
An array of key/value pairs to match against (i.e. "id" => "10") or just an ID |
$ignored_id |
An ID to ignore |
fetch
Equivalent to calling mysql_fetch_assoc on a query.
If a query string is passed rather than a chained call it will return a single row after executing the query.
Return Value: A row from the active query (or false if no more rows exist)
fetch($query, $parameters)
Parameter | Description |
---|---|
$query |
Optional, a query to execute before fetching |
$parameters |
Additional parameters to send to the query method |
fetchAll
Returns all remaining rows for the active query.
If a query string is passed rather than a chained call it will return the results after executing the query.
Return Value: An array of rows from the active query.
fetchAll($query, $parameters)
Parameter | Description |
---|---|
$query |
Optional, a query to execute before fetching |
$parameters |
Additional parameters to send to the query method |
fetchAllSingle
Equivalent to the fetchAll method but only the first column of each row is returned.
Return Value: An array of the first column of each row from the active query.
fetchAllSingle($query, $parameters)
Parameter | Description |
---|---|
$query |
Optional, a query to execute before fetching |
$parameters |
Additional parameters to send to the query method |
fetchSingle
Equivalent to the fetch method but only the first column of the row is returned.
Return Value: The first column from the returned row.
fetchSingle($query, $parameters)
Parameter | Description |
---|---|
$query |
Optional, a query to execute before fetching |
$parameters |
Additional parameters to send to the query method |
insert
Inserts a row into the database and returns the primary key
Return Value: Primary key of the inserted row or null if failed
static insert($table, $values)
Parameter | Description |
---|---|
$table |
The table to insert a row into |
$values |
An associative array of columns and values (i.e. "column" => "value") |
insertID
Equivalent to calling mysql_insert_id.
Return Value: The primary key for the most recently inserted row.
static insertID()
nextColumnDefinition
Return the next SQL name definition from a string.
Return Value: A string.
static nextColumnDefinition($string)
Parameter | Description |
---|---|
$string |
A string with the name definition being terminated by a single ` |
prepareData
Processes form data into values understandable by the MySQL table.
Return Value: Array of data safe for MySQL.
static prepareData($table, $data, $existing_description = null)
Parameter | Description |
---|---|
$table |
The table to prepare data for |
$data |
Array of key->value pairs |
$existing_description |
If the table has already been described, pass it in instead of making prepareData do it again. (defaults to false) |
query
Queries the MySQL server(s).
If you pass additional parameters "?" characters in your query statement
will be replaced with escaped values in the order they are found.
Return Value: Another instance of BigTree\SQL for chaining fetch, fetchAll, insertID, or rows methods.
static query($query, $...)
Parameter | Description |
---|---|
$query |
The MYSQL query to execute |
$... |
Optional parameters that will invoke MySQL prepared statement fills |
rows
Equivalent to calling mysql_num_rows.
Return Value: Number of rows for the active query.
rows($query)
Parameter | Description |
---|---|
$query |
Optional returned query object (defaults to using chained method) |
tableExists
Determines whether a SQL table exists.
Return Value: true if table exists, otherwise false.
static tableExists($table)
Parameter | Description |
---|---|
$table |
The table name. |
unique
Retrieves a unique version of a given field for a table.
Appends trailing numbers to the string until a unique version is found (i.e. value-2)
Useful for creating unique routes.
Return Value: Unique version of value.
static unique($table, $field, $value, $id = null, $inverse = false)
Parameter | Description |
---|---|
$table |
Table to search |
$field |
Field that must be unique |
$value |
Value to check |
$id |
An optional ID for a record to disregard (either a single value for checking "id" column or key/value pair) |
$inverse |
Set to true to force the id column to true rather than false |
update
Updates a row in the database
Return Value: true if successful (even if no rows match)
static update($table, $id, $values)
Parameter | Description |
---|---|
$table |
The table to insert a row into |
$id |
The ID of the row to update (or an associate array of key/value pairs to match) |
$values |
An associative array of columns and values (i.e. "column" => "value") |