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<?php
/*!
* Medoo database framework
* https://medoo.in
* Version 1.4.5
*
* Copyright 2017, Angel Lai
* Released under the MIT license
*/
namespace Medoo;
use PDO;
use Exception;
use PDOException;
class Medoo
{
protected $database_type;
protected $prefix;
protected $statement;
protected $option = [];
protected $logs = [];
protected $logging = false;
protected $debug_mode = false;
protected $guid = 0;
public function __construct($options = null)
{
try {
if (is_array($options))
{
if (isset($options[ 'database_type' ]))
{
$this->database_type = strtolower($options[ 'database_type' ]);
}
}
else
{
return false;
}
if (isset($options[ 'prefix' ]))
{
$this->prefix = $options[ 'prefix' ];
}
if (isset($options[ 'option' ]))
{
$this->option = $options[ 'option' ];
}
if (isset($options[ 'logging' ]) && is_bool($options[ 'logging' ]))
{
$this->logging = $options[ 'logging' ];
}
if (isset($options[ 'command' ]) && is_array($options[ 'command' ]))
{
$commands = $options[ 'command' ];
}
else
{
$commands = [];
}
if (isset($options[ 'dsn' ]))
{
if (isset($options[ 'dsn' ][ 'driver' ]))
{
$attr = $options[ 'dsn' ];
}
else
{
return false;
}
}
else
{
if (
isset($options[ 'port' ]) &&
is_int($options[ 'port' ] * 1)
)
{
$port = $options[ 'port' ];
}
$is_port = isset($port);
switch ($this->database_type)
{
case 'mariadb':
case 'mysql':
$attr = [
'driver' => 'mysql',
'dbname' => $options[ 'database_name' ]
];
if (isset($options[ 'socket' ]))
{
$attr[ 'unix_socket' ] = $options[ 'socket' ];
}
else
{
$attr[ 'host' ] = $options[ 'server' ];
if ($is_port)
{
$attr[ 'port' ] = $port;
}
}
// Make MySQL using standard quoted identifier
$commands[] = 'SET SQL_MODE=ANSI_QUOTES';
break;
case 'pgsql':
$attr = [
'driver' => 'pgsql',
'host' => $options[ 'server' ],
'dbname' => $options[ 'database_name' ]
];
if ($is_port)
{
$attr[ 'port' ] = $port;
}
break;
case 'sybase':
$attr = [
'driver' => 'dblib',
'host' => $options[ 'server' ],
'dbname' => $options[ 'database_name' ]
];
if ($is_port)
{
$attr[ 'port' ] = $port;
}
break;
case 'oracle':
$attr = [
'driver' => 'oci',
'dbname' => $options[ 'server' ] ?
'//' . $options[ 'server' ] . ($is_port ? ':' . $port : ':1521') . '/' . $options[ 'database_name' ] :
$options[ 'database_name' ]
];
if (isset($options[ 'charset' ]))
{
$attr[ 'charset' ] = $options[ 'charset' ];
}
break;
case 'mssql':
if (strstr(PHP_OS, 'WIN'))
{
$attr = [
'driver' => 'sqlsrv',
'Server' => $options[ 'server' ] . ($is_port ? ',' . $port : ''),
'Database' => $options[ 'database_name' ]
];
}
else
{
$attr = [
'driver' => 'dblib',
'host' => $options[ 'server' ] . ($is_port ? ':' . $port : ''),
'dbname' => $options[ 'database_name' ]
];
}
// Keep MSSQL QUOTED_IDENTIFIER is ON for standard quoting
$commands[] = 'SET QUOTED_IDENTIFIER ON';
// Make ANSI_NULLS is ON for NULL value
$commands[] = 'SET ANSI_NULLS ON';
break;
case 'sqlite':
$this->pdo = new PDO('sqlite:' . $options[ 'database_file' ], null, null, $this->option);
return;
}
}
$driver = $attr[ 'driver' ];
unset($attr[ 'driver' ]);
$stack = [];
foreach ($attr as $key => $value)
{
if (is_int($key))
{
$stack[] = $value;
}
else
{
$stack[] = $key . '=' . $value;
}
}
$dsn = $driver . ':' . implode($stack, ';');
if (
in_array($this->database_type, ['mariadb', 'mysql', 'pgsql', 'sybase', 'mssql']) &&
isset($options[ 'charset' ])
)
{
$commands[] = "SET NAMES '" . $options[ 'charset' ] . "'";
}
$this->pdo = new PDO(
$dsn,
$options[ 'username' ],
$options[ 'password' ],
$this->option
);
foreach ($commands as $value)
{
$this->pdo->exec($value);
}
}
catch (PDOException $e) {
throw new Exception($e->getMessage());
}
}
public function query($query, $map = [])
{
if (!empty($map))
{
foreach ($map as $key => $value)
{
switch (gettype($value))
{
case 'NULL':
$map[ $key ] = [null, PDO::PARAM_NULL];
break;
case 'resource':
$map[ $key ] = [$value, PDO::PARAM_LOB];
break;
case 'boolean':
$map[ $key ] = [($value ? '1' : '0'), PDO::PARAM_BOOL];
break;
case 'integer':
case 'double':
$map[ $key ] = [$value, PDO::PARAM_INT];
break;
case 'string':
$map[ $key ] = [$value, PDO::PARAM_STR];
break;
}
}
}
return $this->exec($query, $map);
}
public function exec($query, $map = [])
{
if ($this->debug_mode)
{
echo $this->generate($query, $map);
$this->debug_mode = false;
return false;
}
if ($this->logging)
{
$this->logs[] = [$query, $map];
}
else
{
$this->logs = [[$query, $map]];
}
$statement = $this->pdo->prepare($query);
if ($statement)
{
foreach ($map as $key => $value)
{
$statement->bindValue($key, $value[ 0 ], $value[ 1 ]);
}
$statement->execute();
$this->statement = $statement;
return $statement;
}
else
{
return false;
}
}
protected function generate($query, $map)
{
foreach ($map as $key => $value)
{
if ($value[ 1 ] === PDO::PARAM_STR)
{
$query = str_replace($key, $this->quote($value[ 0 ]), $query);
}
elseif ($value[ 1 ] === PDO::PARAM_NULL)
{
$query = str_replace($key, 'NULL', $query);
}
else
{
$query = str_replace($key, $value[ 0 ], $query);
}
}
return $query;
}
public function quote($string)
{
return $this->pdo->quote($string);
}
protected function tableQuote($table)
{
return '"' . $this->prefix . $table . '"';
}
protected function mapKey()
{
return ':MeDoO_' . $this->guid++ . '_mEdOo';
}
protected function columnQuote($string)
{
preg_match('/(^#)?([a-zA-Z0-9_]*)\.([a-zA-Z0-9_]*)(\s*\[JSON\]$)?/', $string, $column_match);
if (isset($column_match[ 2 ], $column_match[ 3 ]))
{
return '"' . $this->prefix . $column_match[ 2 ] . '"."' . $column_match[ 3 ] . '"';
}
return '"' . $string . '"';
}
protected function columnPush(&$columns)
{
if ($columns === '*')
{
return $columns;
}
$stack = [];
if (is_string($columns))
{
$columns = [$columns];
}
foreach ($columns as $key => $value)
{
if (is_array($value))
{
$stack[] = $this->columnPush($value);
}
else
{
preg_match('/(?<column>[a-zA-Z0-9_\.]+)(?:\s*\((?<alias>[a-zA-Z0-9_]+)\)|\s*\[(?<type>(String|Bool|Int|Number|Object|JSON))\])?/i', $value, $match);
if (!empty($match[ 'alias' ]))
{
$stack[] = $this->columnQuote( $match[ 'column' ] ) . ' AS ' . $this->columnQuote( $match[ 'alias' ] );
$columns[ $key ] = $match[ 'alias' ];
}
else
{
$stack[] = $this->columnQuote( $match[ 'column' ] );
}
}
}
return implode($stack, ',');
}
protected function arrayQuote($array)
{
$stack = [];
foreach ($array as $value)
{
$stack[] = is_int($value) ? $value : $this->pdo->quote($value);
}
return implode($stack, ',');
}
protected function innerConjunct($data, $map, $conjunctor, $outer_conjunctor)
{
$stack = [];
foreach ($data as $value)
{
$stack[] = '(' . $this->dataImplode($value, $map, $conjunctor) . ')';
}
return implode($outer_conjunctor . ' ', $stack);
}
protected function fnQuote($column, $string)
{
return (strpos($column, '#') === 0 && preg_match('/^[A-Z0-9\_]*\([^)]*\)$/', $string)) ?
$string :
$this->quote($string);
}
protected function dataImplode($data, &$map, $conjunctor)
{
$wheres = [];
foreach ($data as $key => $value)
{
$map_key = $this->mapKey();
$type = gettype($value);
if (
preg_match("/^(AND|OR)(\s+#.*)?$/i", $key, $relation_match) &&
$type === 'array'
)
{
$wheres[] = 0 !== count(array_diff_key($value, array_keys(array_keys($value)))) ?
'(' . $this->dataImplode($value, $map, ' ' . $relation_match[ 1 ]) . ')' :
'(' . $this->innerConjunct($value, $map, ' ' . $relation_match[ 1 ], $conjunctor) . ')';
}
else
{
if (
is_int($key) &&
preg_match('/([a-zA-Z0-9_\.]+)\[(?<operator>\>|\>\=|\<|\<\=|\!|\=)\]([a-zA-Z0-9_\.]+)/i', $value, $match)
)
{
$wheres[] = $this->columnQuote($match[ 1 ]) . ' ' . $match[ 'operator' ] . ' ' . $this->columnQuote($match[ 3 ]);
}
else
{
preg_match('/(#?)([a-zA-Z0-9_\.]+)(\[(?<operator>\>|\>\=|\<|\<\=|\!|\<\>|\>\<|\!?~)\])?/i', $key, $match);
$column = $this->columnQuote($match[ 2 ]);
if (!empty($match[ 1 ]))
{
$wheres[] = $column .
(isset($match[ 'operator' ]) ? ' ' . $match[ 'operator' ] . ' ' : ' = ') .
$this->fnQuote($key, $value);
continue;
}
if (isset($match[ 'operator' ]))
{
$operator = $match[ 'operator' ];
if ($operator === '!')
{
switch ($type)
{
case 'NULL':
$wheres[] = $column . ' IS NOT NULL';
break;
case 'array':
$wheres[] = $column . ' NOT IN (' . $this->arrayQuote($value) . ')';
break;
case 'integer':
case 'double':
$wheres[] = $column . ' != ' . $map_key;
$map[ $map_key ] = [$value, PDO::PARAM_INT];
break;
case 'boolean':
$wheres[] = $column . ' != ' . $map_key;
$map[ $map_key ] = [($value ? '1' : '0'), PDO::PARAM_BOOL];
break;
case 'string':
$wheres[] = $column . ' != ' . $map_key;
$map[ $map_key ] = [$value, PDO::PARAM_STR];
break;
}
}
if ($operator === '<>' || $operator === '><')
{
if ($type === 'array')
{
if ($operator === '><')
{
$column .= ' NOT';
}
$wheres[] = '(' . $column . ' BETWEEN ' . $map_key . 'a AND ' . $map_key . 'b)';
$data_type = (is_numeric($value[ 0 ]) && is_numeric($value[ 1 ])) ? PDO::PARAM_INT : PDO::PARAM_STR;
$map[ $map_key . 'a' ] = [$value[ 0 ], $data_type];
$map[ $map_key . 'b' ] = [$value[ 1 ], $data_type];
}
}
if ($operator === '~' || $operator === '!~')
{
if ($type !== 'array')
{
$value = [ $value ];
}
$connector = ' OR ';
$stack = array_values($value);
if (is_array($stack[ 0 ]))
{
if (isset($value[ 'AND' ]) || isset($value[ 'OR' ]))
{
$connector = ' ' . array_keys($value)[ 0 ] . ' ';
$value = $stack[ 0 ];
}
}
$like_clauses = [];
foreach ($value as $index => $item)
{
$item = strval($item);
if (!preg_match('/(\[.+\]|_|%.+|.+%)/', $item))
{
$item = '%' . $item . '%';
}
$like_clauses[] = $column . ($operator === '!~' ? ' NOT' : '') . ' LIKE ' . $map_key . 'L' . $index;
$map[ $map_key . 'L' . $index ] = [$item, PDO::PARAM_STR];
}
$wheres[] = '(' . implode($connector, $like_clauses) . ')';
}
if (in_array($operator, ['>', '>=', '<', '<=']))
{
$condition = $column . ' ' . $operator . ' ';
if (is_numeric($value))
{
$condition .= $map_key;
$map[ $map_key ] = [$value, PDO::PARAM_INT];
}
else
{
$condition .= $map_key;
$map[ $map_key ] = [$value, PDO::PARAM_STR];
}
$wheres[] = $condition;
}
}
else
{
switch ($type)
{
case 'NULL':
$wheres[] = $column . ' IS NULL';
break;
case 'array':
$wheres[] = $column . ' IN (' . $this->arrayQuote($value) . ')';
break;
case 'integer':
case 'double':
$wheres[] = $column . ' = ' . $map_key;
$map[ $map_key ] = [$value, PDO::PARAM_INT];
break;
case 'boolean':
$wheres[] = $column . ' = ' . $map_key;
$map[ $map_key ] = [($value ? '1' : '0'), PDO::PARAM_BOOL];
break;
case 'string':
$wheres[] = $column . ' = ' . $map_key;
$map[ $map_key ] = [$value, PDO::PARAM_STR];
break;
}
}
}
}
}
return implode($conjunctor . ' ', $wheres);
}
protected function whereClause($where, &$map)
{
$where_clause = '';
if (is_array($where))
{
$where_keys = array_keys($where);
$where_AND = preg_grep("/^AND\s*#?$/i", $where_keys);
$where_OR = preg_grep("/^OR\s*#?$/i", $where_keys);
$single_condition = array_diff_key($where, array_flip(
['AND', 'OR', 'GROUP', 'ORDER', 'HAVING', 'LIMIT', 'LIKE', 'MATCH']
));
if (!empty($single_condition))
{
$condition = $this->dataImplode($single_condition, $map, ' AND');
if ($condition !== '')
{
$where_clause = ' WHERE ' . $condition;
}
}
if (!empty($where_AND))
{
$value = array_values($where_AND);
$where_clause = ' WHERE ' . $this->dataImplode($where[ $value[ 0 ] ], $map, ' AND');
}
if (!empty($where_OR))
{
$value = array_values($where_OR);
$where_clause = ' WHERE ' . $this->dataImplode($where[ $value[ 0 ] ], $map, ' OR');
}
if (isset($where[ 'MATCH' ]))
{
$MATCH = $where[ 'MATCH' ];
if (is_array($MATCH) && isset($MATCH[ 'columns' ], $MATCH[ 'keyword' ]))
{
$mode = '';
$mode_array = [
'natural' => 'IN NATURAL LANGUAGE MODE',
'natural+query' => 'IN NATURAL LANGUAGE MODE WITH QUERY EXPANSION',
'boolean' => 'IN BOOLEAN MODE',
'query' => 'WITH QUERY EXPANSION'
];
if (isset($MATCH[ 'mode' ], $mode_array[ $MATCH[ 'mode' ] ]))
{
$mode = ' ' . $mode_array[ $MATCH[ 'mode' ] ];
}
$columns = implode(array_map([$this, 'columnQuote'], $MATCH[ 'columns' ]), ', ');
$map_key = $this->mapKey();
$map[ $map_key ] = [$MATCH[ 'keyword' ], PDO::PARAM_STR];
$where_clause .= ($where_clause !== '' ? ' AND ' : ' WHERE') . ' MATCH (' . $columns . ') AGAINST (' . $map_key . $mode . ')';
}
}
if (isset($where[ 'GROUP' ]))
{
$GROUP = $where[ 'GROUP' ];
if (is_array($GROUP))
{
$stack = [];
foreach ($GROUP as $column => $value)
{
$stack[] = $this->columnQuote($value);
}
$where_clause .= ' GROUP BY ' . implode($stack, ',');
}
else
{
$where_clause .= ' GROUP BY ' . $this->columnQuote($where[ 'GROUP' ]);
}
if (isset($where[ 'HAVING' ]))
{
$where_clause .= ' HAVING ' . $this->dataImplode($where[ 'HAVING' ], $map, ' AND');
}
}
if (isset($where[ 'ORDER' ]))
{
$ORDER = $where[ 'ORDER' ];
if (is_array($ORDER))
{
$stack = [];
foreach ($ORDER as $column => $value)
{
if (is_array($value))
{
$stack[] = 'FIELD(' . $this->columnQuote($column) . ', ' . $this->arrayQuote($value) . ')';
}
else if ($value === 'ASC' || $value === 'DESC')
{
$stack[] = $this->columnQuote($column) . ' ' . $value;
}
else if (is_int($column))
{
$stack[] = $this->columnQuote($value);
}
}
$where_clause .= ' ORDER BY ' . implode($stack, ',');
}
else
{
$where_clause .= ' ORDER BY ' . $this->columnQuote($ORDER);
}
if (
isset($where[ 'LIMIT' ]) &&
in_array($this->database_type, ['oracle', 'mssql'])
)
{
$LIMIT = $where[ 'LIMIT' ];
if (is_numeric($LIMIT))
{
$where_clause .= ' FETCH FIRST ' . $LIMIT . ' ROWS ONLY';
}
if (
is_array($LIMIT) &&
is_numeric($LIMIT[ 0 ]) &&
is_numeric($LIMIT[ 1 ])
)
{
$where_clause .= ' OFFSET ' . $LIMIT[ 0 ] . ' ROWS FETCH NEXT ' . $LIMIT[ 1 ] . ' ROWS ONLY';
}
}
}
if (isset($where[ 'LIMIT' ]) && !in_array($this->database_type, ['oracle', 'mssql']))
{
$LIMIT = $where[ 'LIMIT' ];
if (is_numeric($LIMIT))
{
$where_clause .= ' LIMIT ' . $LIMIT;
}
if (
is_array($LIMIT) &&
is_numeric($LIMIT[ 0 ]) &&
is_numeric($LIMIT[ 1 ])
)
{
$where_clause .= ' LIMIT ' . $LIMIT[ 1 ] . ' OFFSET ' . $LIMIT[ 0 ];
}
}
}
else
{
if ($where !== null)
{
$where_clause .= ' ' . $where;
}
}
return $where_clause;
}
protected function selectContext($table, &$map, $join, &$columns = null, $where = null, $column_fn = null)
{
preg_match('/(?<table>[a-zA-Z0-9_]+)\s*\((?<alias>[a-zA-Z0-9_]+)\)/i', $table, $table_match);
if (isset($table_match[ 'table' ], $table_match[ 'alias' ]))
{
$table = $this->tableQuote($table_match[ 'table' ]);
$table_query = $table . ' AS ' . $this->tableQuote($table_match[ 'alias' ]);
}
else
{
$table = $this->tableQuote($table);
$table_query = $table;
}
$join_key = is_array($join) ? array_keys($join) : null;
if (
isset($join_key[ 0 ]) &&
strpos($join_key[ 0 ], '[') === 0
)
{
$table_join = [];
$join_array = [
'>' => 'LEFT',
'<' => 'RIGHT',
'<>' => 'FULL',
'><' => 'INNER'
];
foreach($join as $sub_table => $relation)
{
preg_match('/(\[(?<join>\<|\>|\>\<|\<\>)\])?(?<table>[a-zA-Z0-9_]+)\s?(\((?<alias>[a-zA-Z0-9_]+)\))?/', $sub_table, $match);
if ($match[ 'join' ] !== '' && $match[ 'table' ] !== '')
{
if (is_string($relation))
{
$relation = 'USING ("' . $relation . '")';
}
if (is_array($relation))
{
// For ['column1', 'column2']
if (isset($relation[ 0 ]))
{
$relation = 'USING ("' . implode($relation, '", "') . '")';
}
else
{
$joins = [];
foreach ($relation as $key => $value)
{
$joins[] = (
strpos($key, '.') > 0 ?
// For ['tableB.column' => 'column']
$this->columnQuote($key) :
// For ['column1' => 'column2']
$table . '."' . $key . '"'
) .
' = ' .
$this->tableQuote(isset($match[ 'alias' ]) ? $match[ 'alias' ] : $match[ 'table' ]) . '."' . $value . '"';
}
$relation = 'ON ' . implode($joins, ' AND ');
}
}
$table_name = $this->tableQuote($match[ 'table' ]) . ' ';
if (isset($match[ 'alias' ]))
{
$table_name .= 'AS ' . $this->tableQuote($match[ 'alias' ]) . ' ';
}
$table_join[] = $join_array[ $match[ 'join' ] ] . ' JOIN ' . $table_name . $relation;
}
}
$table_query .= ' ' . implode($table_join, ' ');
}
else
{
if (is_null($columns))
{
if (is_null($where))
{
if (
is_array($join) &&
isset($column_fn)
)
{
$where = $join;
$columns = null;
}
else
{
$where = null;
$columns = $join;
}
}
else
{
$where = $join;
$columns = null;
}
}
else
{
$where = $columns;
$columns = $join;
}
}
if (isset($column_fn))
{
if ($column_fn === 1)
{
$column = '1';
if (is_null($where))
{
$where = $columns;
}
}
else
{
if (empty($columns))
{
$columns = '*';
$where = $join;
}
$column = $column_fn . '(' . $this->columnPush($columns) . ')';
}
}
else
{
$column = $this->columnPush($columns);
}
return 'SELECT ' . $column . ' FROM ' . $table_query . $this->whereClause($where, $map);
}
protected function columnMap($columns, &$stack)
{
if ($columns === '*')
{
return $stack;
}
foreach ($columns as $key => $value)
{
if (is_int($key))
{
preg_match('/(?<column>[a-zA-Z0-9_\.]*)(?:\s*\((?<alias>[a-zA-Z0-9_]+)\)|\s*\[(?<type>(String|Bool|Int|Number|Object|JSON))\])?/i', $value, $key_match);
$column_key = !empty($key_match[ 'alias' ]) ?
$key_match[ 'alias' ] :
preg_replace('/^[\w]*\./i', '', $key_match[ 'column' ]);
if (isset($key_match[ 'type' ]))
{
$stack[ $value ] = [$column_key, $key_match[ 'type' ]];
}
else
{
$stack[ $value ] = [$column_key, 'String'];
}
}
else
{
$this->columnMap($value, $stack);
}
}
return $stack;
}
protected function dataMap($data, $columns, $column_map, &$stack)
{
foreach ($columns as $key => $value)
{
if (is_int($key))
{
$map = $column_map[ $value ];
$column_key = $map[ 0 ];
if (isset($map[ 1 ]))
{
switch ($map[ 1 ])
{
case 'Number':
case 'Int':
$stack[ $column_key ] = (int) $data[ $column_key ];
break;
case 'Bool':
$stack[ $column_key ] = (bool) $data[ $column_key ];
break;
case 'Object':
$stack[ $column_key ] = unserialize($data[ $column_key ]);
break;
case 'JSON':
$stack[ $column_key ] = json_decode($data[ $column_key ], true);
break;
case 'String':
$stack[ $column_key ] = $data[ $column_key ];
break;
}
}
else
{
$stack[ $column_key ] = $data[ $column_key ];
}
}
else
{
$current_stack = [];
$this->dataMap($data, $value, $column_map, $current_stack);
$stack[ $key ] = $current_stack;
}
}
}
public function select($table, $join, $columns = null, $where = null)
{
$map = [];
$stack = [];
$column_map = [];
$index = 0;
$column = $where === null ? $join : $columns;
$is_single_column = (is_string($column) && $column !== '*');
$query = $this->exec($this->selectContext($table, $map, $join, $columns, $where), $map);
$this->columnMap($columns, $column_map);
if (!$query)
{
return false;
}
if ($columns === '*')
{
return $query->fetchAll(PDO::FETCH_ASSOC);
}
if ($is_single_column)
{
return $query->fetchAll(PDO::FETCH_COLUMN);
}
while ($data = $query->fetch(PDO::FETCH_ASSOC))
{
$current_stack = [];
$this->dataMap($data, $columns, $column_map, $current_stack);
$stack[ $index ] = $current_stack;
$index++;
}
return $stack;
}
public function insert($table, $datas)
{
$stack = [];
$columns = [];
$fields = [];
$map = [];
if (!isset($datas[ 0 ]))
{
$datas = [$datas];
}
foreach ($datas as $data)
{
foreach ($data as $key => $value)
{
$columns[] = $key;
}
}
$columns = array_unique($columns);
foreach ($datas as $data)
{
$values = [];
foreach ($columns as $key)
{
if (strpos($key, '#') === 0)
{
$values[] = $this->fnQuote($key, $data[ $key ]);
continue;
}
$map_key =$this->mapKey();
$values[] = $map_key;
if (!isset($data[ $key ]))
{
$map[ $map_key ] = [null, PDO::PARAM_NULL];
}
else
{
$value = $data[ $key ];
switch (gettype($value))
{
case 'NULL':
$map[ $map_key ] = [null, PDO::PARAM_NULL];
break;
case 'array':
$map[ $map_key ] = [
strpos($key, '[JSON]') === strlen($key) - 6 ?
json_encode($value) :
serialize($value),
PDO::PARAM_STR
];
break;
case 'object':
$map[ $map_key ] = [serialize($value), PDO::PARAM_STR];
break;
case 'resource':
$map[ $map_key ] = [$value, PDO::PARAM_LOB];
break;
case 'boolean':
$map[ $map_key ] = [($value ? '1' : '0'), PDO::PARAM_BOOL];
break;
case 'integer':
case 'double':
$map[ $map_key ] = [$value, PDO::PARAM_INT];
break;
case 'string':
$map[ $map_key ] = [$value, PDO::PARAM_STR];
break;
}
}
}
$stack[] = '(' . implode($values, ', ') . ')';
}
foreach ($columns as $key)
{
$fields[] = $this->columnQuote(preg_replace("/(^#|\s*\[JSON\]$)/i", '', $key));
}
return $this->exec('INSERT INTO ' . $this->tableQuote($table) . ' (' . implode(', ', $fields) . ') VALUES ' . implode(', ', $stack), $map);
}
public function update($table, $data, $where = null)
{
$fields = [];
$map = [];
foreach ($data as $key => $value)
{
$column = $this->columnQuote(preg_replace("/(^#|\s*\[(JSON|\+|\-|\*|\/)\]$)/i", '', $key));
if (strpos($key, '#') === 0)
{
$fields[] = $column . ' = ' . $value;
continue;
}
$map_key = $this->mapKey();
preg_match('/(?<column>[a-zA-Z0-9_]+)(\[(?<operator>\+|\-|\*|\/)\])?/i', $key, $match);
if (isset($match[ 'operator' ]))
{
if (is_numeric($value))
{
$fields[] = $column . ' = ' . $column . ' ' . $match[ 'operator' ] . ' ' . $value;
}
}
else
{
$fields[] = $column . ' = ' . $map_key;
switch (gettype($value))
{
case 'NULL':
$map[ $map_key ] = [null, PDO::PARAM_NULL];
break;
case 'array':
$map[ $map_key ] = [
strpos($key, '[JSON]') === strlen($key) - 6 ?
json_encode($value) :
serialize($value),
PDO::PARAM_STR
];
break;
case 'object':
$map[ $map_key ] = [serialize($value), PDO::PARAM_STR];
break;
case 'resource':
$map[ $map_key ] = [$value, PDO::PARAM_LOB];
break;
case 'boolean':
$map[ $map_key ] = [($value ? '1' : '0'), PDO::PARAM_BOOL];
break;
case 'integer':
case 'double':
$map[ $map_key ] = [$value, PDO::PARAM_INT];
break;
case 'string':
$map[ $map_key ] = [$value, PDO::PARAM_STR];
break;
}
}
}
return $this->exec('UPDATE ' . $this->tableQuote($table) . ' SET ' . implode(', ', $fields) . $this->whereClause($where, $map), $map);
}
public function delete($table, $where)
{
$map = [];
return $this->exec('DELETE FROM ' . $this->tableQuote($table) . $this->whereClause($where, $map), $map);
}
public function replace($table, $columns, $where = null)
{
$map = [];
if (is_array($columns))
{
$replace_query = [];
foreach ($columns as $column => $replacements)
{
if (is_array($replacements[ 0 ]))
{
foreach ($replacements as $replacement)
{
$map_key = $this->mapKey();
$replace_query[] = $this->columnQuote($column) . ' = REPLACE(' . $this->columnQuote($column) . ', ' . $map_key . 'a, ' . $map_key . 'b)';
$map[ $map_key . 'a' ] = [$replacement[ 0 ], PDO::PARAM_STR];
$map[ $map_key . 'b' ] = [$replacement[ 1 ], PDO::PARAM_STR];
}
}
else
{
$map_key = $this->mapKey();
$replace_query[] = $this->columnQuote($column) . ' = REPLACE(' . $this->columnQuote($column) . ', ' . $map_key . 'a, ' . $map_key . 'b)';
$map[ $map_key . 'a' ] = [$replacements[ 0 ], PDO::PARAM_STR];
$map[ $map_key . 'b' ] = [$replacements[ 1 ], PDO::PARAM_STR];
}
}
$replace_query = implode(', ', $replace_query);
}
return $this->exec('UPDATE ' . $this->tableQuote($table) . ' SET ' . $replace_query . $this->whereClause($where, $map), $map);
}
public function get($table, $join = null, $columns = null, $where = null)
{
$map = [];
$stack = [];
$column_map = [];
$column = $where === null ? $join : $columns;
$is_single_column = (is_string($column) && $column !== '*');
$query = $this->exec($this->selectContext($table, $map, $join, $columns, $where) . ' LIMIT 1', $map);
if ($query)
{
$data = $query->fetchAll(PDO::FETCH_ASSOC);
if (isset($data[ 0 ]))
{
if ($column === '*')
{
return $data[ 0 ];
}
$this->columnMap($columns, $column_map);
$this->dataMap($data[ 0 ], $columns, $column_map, $stack);
if ($is_single_column)
{
return $stack[ $column_map[ $column ][ 0 ] ];
}
return $stack;
}
else
{
return false;
}
}
else
{
return false;
}
}
public function has($table, $join, $where = null)
{
$map = [];
$column = null;
$query = $this->exec('SELECT EXISTS(' . $this->selectContext($table, $map, $join, $column, $where, 1) . ')', $map);
if ($query)
{
return $query->fetchColumn() === '1';
}
else
{
return false;
}
}
public function count($table, $join = null, $column = null, $where = null)
{
$map = [];
$query = $this->exec($this->selectContext($table, $map, $join, $column, $where, 'COUNT'), $map);
return $query ? 0 + $query->fetchColumn() : false;
}
public function max($table, $join, $column = null, $where = null)
{
$map = [];
$query = $this->exec($this->selectContext($table, $map, $join, $column, $where, 'MAX'), $map);
if ($query)
{
$max = $query->fetchColumn();
return is_numeric($max) ? $max + 0 : $max;
}
else
{
return false;
}
}
public function min($table, $join, $column = null, $where = null)
{
$map = [];
$query = $this->exec($this->selectContext($table, $map, $join, $column, $where, 'MIN'), $map);
if ($query)
{
$min = $query->fetchColumn();
return is_numeric($min) ? $min + 0 : $min;
}
else
{
return false;
}
}
public function avg($table, $join, $column = null, $where = null)
{
$map = [];
$query = $this->exec($this->selectContext($table, $map, $join, $column, $where, 'AVG'), $map);
return $query ? 0 + $query->fetchColumn() : false;
}
public function sum($table, $join, $column = null, $where = null)
{
$map = [];
$query = $this->exec($this->selectContext($table, $map, $join, $column, $where, 'SUM'), $map);
return $query ? 0 + $query->fetchColumn() : false;
}
public function action($actions)
{
if (is_callable($actions))
{
$this->pdo->beginTransaction();
$result = $actions($this);
if ($result === false)
{
$this->pdo->rollBack();
}
else
{
$this->pdo->commit();
}
}
else
{
return false;
}
}
public function id()
{
$type = $this->database_type;
if ($type === 'oracle')
{
return 0;
}
elseif ($type === 'mssql')
{
return $this->pdo->query('SELECT SCOPE_IDENTITY()')->fetchColumn();
}
elseif ($type === 'pgsql')
{
return $this->pdo->query('SELECT LASTVAL()')->fetchColumn();
}
return $this->pdo->lastInsertId();
}
public function debug()
{
$this->debug_mode = true;
return $this;
}
public function error()
{
return $this->statement ? $this->statement->errorInfo() : null;
}
public function last()
{
$log = end($this->logs);
return $this->generate($log[ 0 ], $log[ 1 ]);
}
public function log()
{
return array_map(function ($log)
{
return $this->generate($log[ 0 ], $log[ 1 ]);
},
$this->logs
);
}
public function info()
{
$output = [
'server' => 'SERVER_INFO',
'driver' => 'DRIVER_NAME',
'client' => 'CLIENT_VERSION',
'version' => 'SERVER_VERSION',
'connection' => 'CONNECTION_STATUS'
];
foreach ($output as $key => $value)
{
$output[ $key ] = @$this->pdo->getAttribute(constant('PDO::ATTR_' . $value));
}
return $output;
}
}
?>