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Medoo.php
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<?php
namespace Medoo;
/*!
* Medoo database framework
* http://medoo.in
* Version 1.2.1
*
* Copyright 2017, Angel Lai
* Released under the MIT license
*/
use PDO;
class Medoo
{
// General
protected $database_type;
// Optional
protected $prefix;
protected $option = [];
// Variable
protected $logs = [];
protected $debug_mode = false;
public function __construct($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['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'],
'database' => $options['database_name']
];
}
else
{
$attr = [
'driver' => 'dblib',
'host' => $options['server'],
'dbname' => $options['database_name']
];
}
if ($is_port)
{
$attr['port'] = $port;
}
// 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 $this;
}
}
$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']) &&
$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($query)
{
if ($this->debug_mode)
{
echo $query;
$this->debug_mode = false;
return false;
}
$this->logs[] = $query;
return $this->pdo->query($query);
}
public function exec($query)
{
if ($this->debug_mode)
{
echo $query;
$this->debug_mode = false;
return false;
}
$this->logs[] = $query;
return $this->pdo->exec($query);
}
public function quote($string)
{
return $this->pdo->quote($string);
}
protected function tableQuote($table)
{
return '"' . $this->prefix . $table . '"';
}
protected function columnQuote($string)
{
preg_match('/(\(JSON\)\s*|^#)?([a-zA-Z0-9_]*)\.([a-zA-Z0-9_]*)/', $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 $columns;
}
if (is_string($columns))
{
$columns = [$columns];
}
$stack = [];
foreach ($columns as $key => $value)
{
if (is_array($value))
{
$stack[] = $this->columnPush($value);
}
else
{
preg_match('/([a-zA-Z0-9_\-\.]*)\s*\(([a-zA-Z0-9_\-]*)\)/i', $value, $match);
if (isset($match[ 1 ], $match[ 2 ]))
{
$stack[] = $this->columnQuote( $match[ 1 ] ) . ' AS ' . $this->columnQuote( $match[ 2 ] );
$columns[ $key ] = $match[ 2 ];
}
else
{
$stack[] = $this->columnQuote( $value );
}
}
}
return implode($stack, ',');
}
protected function arrayQuote($array)
{
$temp = [];
foreach ($array as $value)
{
$temp[] = is_int($value) ? $value : $this->pdo->quote($value);
}
return implode($temp, ',');
}
protected function innerConjunct($data, $conjunctor, $outer_conjunctor)
{
$haystack = [];
foreach ($data as $value)
{
$haystack[] = '(' . $this->dataImplode($value, $conjunctor) . ')';
}
return implode($outer_conjunctor . ' ', $haystack);
}
protected function fnQuote($column, $string)
{
return (strpos($column, '#') === 0 && preg_match('/^[A-Z0-9\_]*\([^)]*\)$/', $string)) ?
$string :
$this->quote($string);
}
protected function dataImplode($data, $conjunctor, $outer_conjunctor = null)
{
$wheres = [];
foreach ($data as $key => $value)
{
$type = gettype($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, ' ' . $relation_match[ 1 ]) . ')' :
'(' . $this->innerConjunct($value, ' ' . $relation_match[ 1 ], $conjunctor) . ')';
}
else
{
if (
is_int($key) &&
preg_match('/([\w\.\-]+)\[(\>|\>\=|\<|\<\=|\!|\=)\]([\w\.\-]+)/i', $value, $match)
)
{
$operator = $match[ 2 ];
$wheres[] = $this->columnQuote($match[ 1 ]) . ' ' . $operator . ' ' . $this->columnQuote($match[ 3 ]);
}
else
{
preg_match('/(#?)([\w\.\-]+)(\[(\>|\>\=|\<|\<\=|\!|\<\>|\>\<|\!?~)\])?/i', $key, $match);
$column = $this->columnQuote($match[ 2 ]);
if (isset($match[ 4 ]))
{
$operator = $match[ 4 ];
if ($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 . ' != ' . $value;
break;
case 'boolean':
$wheres[] = $column . ' != ' . ($value ? '1' : '0');
break;
case 'string':
$wheres[] = $column . ' != ' . $this->fnQuote($key, $value);
break;
}
}
if ($operator == '<>' || $operator == '><')
{
if ($type == 'array')
{
if ($operator == '><')
{
$column .= ' NOT';
}
if (is_numeric($value[ 0 ]) && is_numeric($value[ 1 ]))
{
$wheres[] = '(' . $column . ' BETWEEN ' . $value[ 0 ] . ' AND ' . $value[ 1 ] . ')';
}
else
{
$wheres[] = '(' . $column . ' BETWEEN ' . $this->quote($value[ 0 ]) . ' AND ' . $this->quote($value[ 1 ]) . ')';
}
}
}
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 $item)
{
$item = strval($item);
if (!preg_match('/(\[.+\]|_|%.+|.+%)/', $item))
{
$item = '%' . $item . '%';
}
$like_clauses[] = $column . ($operator === '!~' ? ' NOT' : '') . ' LIKE ' . $this->fnQuote($key, $item);
}
$wheres[] = '(' . implode($connector, $like_clauses) . ')';
}
if (in_array($operator, ['>', '>=', '<', '<=']))
{
$condition = $column . ' ' . $operator . ' ';
if (is_numeric($value))
{
$condition .= $value;
}
elseif (strpos($key, '#') === 0)
{
$condition .= $this->fnQuote($key, $value);
}
else
{
$condition .= $this->quote($value);
}
$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 . ' = ' . $value;
break;
case 'boolean':
$wheres[] = $column . ' = ' . ($value ? '1' : '0');
break;
case 'string':
$wheres[] = $column . ' = ' . $this->fnQuote($key, $value);
break;
}
}
}
}
}
return implode($conjunctor . ' ', $wheres);
}
protected function whereClause($where)
{
$where_clause = '';
if (is_array($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 ($single_condition != [])
{
$condition = $this->dataImplode($single_condition, ' AND');
if ($condition != '')
{
$where_clause = ' WHERE ' . $condition;
}
}
if (!empty($where_AND))
{
$value = array_values($where_AND);
$where_clause = ' WHERE ' . $this->dataImplode($where[ $value[ 0 ] ], ' AND');
}
if (!empty($where_OR))
{
$value = array_values($where_OR);
$where_clause = ' WHERE ' . $this->dataImplode($where[ $value[ 0 ] ], ' OR');
}
if (isset($where[ 'MATCH' ]))
{
$MATCH = $where[ 'MATCH' ];
if (is_array($MATCH) && isset($MATCH[ 'columns' ], $MATCH[ 'keyword' ]))
{
$columns = str_replace('.', '"."', implode($MATCH[ 'columns' ], '", "'));
$keywords = $this->quote($MATCH[ 'keyword' ]);
$where_clause .= ($where_clause != '' ? ' AND ' : ' WHERE ') . ' MATCH ("' . $columns . '") AGAINST (' . $keywords . ')';
}
}
if (isset($where[ 'GROUP' ]))
{
$where_clause .= ' GROUP BY ' . $this->columnQuote($where[ 'GROUP' ]);
if (isset($where[ 'HAVING' ]))
{
$where_clause .= ' HAVING ' . $this->dataImplode($where[ 'HAVING' ], ' 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' ]))
{
$LIMIT = $where[ 'LIMIT' ];
if (is_numeric($LIMIT))
{
$where_clause .= ' LIMIT ' . $LIMIT;
}
if (
is_array($LIMIT) &&
is_numeric($LIMIT[ 0 ]) &&
is_numeric($LIMIT[ 1 ])
)
{
if ($this->database_type === 'pgsql')
{
$where_clause .= ' OFFSET ' . $LIMIT[ 0 ] . ' LIMIT ' . $LIMIT[ 1 ];
}
else
{
$where_clause .= ' LIMIT ' . $LIMIT[ 0 ] . ',' . $LIMIT[ 1 ];
}
}
}
}
else
{
if ($where != null)
{
$where_clause .= ' ' . $where;
}
}
return $where_clause;
}
protected function selectContext($table, $join, &$columns = null, $where = null, $column_fn = null)
{
preg_match('/([a-zA-Z0-9_\-]*)\s*\(([a-zA-Z0-9_\-]*)\)/i', $table, $table_match);
if (isset($table_match[ 1 ], $table_match[ 2 ]))
{
$table = $this->tableQuote($table_match[ 1 ]);
$table_query = $table . ' AS ' . $this->tableQuote($table_match[ 2 ]);
}
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('/(\[(\<|\>|\>\<|\<\>)\])?([a-zA-Z0-9_\-]*)\s?(\(([a-zA-Z0-9_\-]*)\))?/', $sub_table, $match);
if ($match[ 2 ] != '' && $match[ 3 ] != '')
{
if (is_string($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[ 5 ]) ? $match[ 5 ] : $match[ 3 ]) . '."' . $value . '"';
}
$relation = 'ON ' . implode($joins, ' AND ');
}
}
$table_name = $this->tableQuote($match[ 3 ]) . ' ';
if (isset($match[ 5 ]))
{
$table_name .= 'AS ' . $this->tableQuote($match[ 5 ]) . ' ';
}
$table_join[] = $join_array[ $match[ 2 ] ] . ' 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);
}
protected function dataMap($index, $key, $value, $data, &$stack)
{
if (is_array($value))
{
$sub_stack = [];
foreach ($value as $sub_key => $sub_value)
{
if (is_array($sub_value))
{
$current_stack = $stack[ $index ][ $key ];
$this->dataMap(false, $sub_key, $sub_value, $data, $current_stack);
$stack[ $index ][ $key ][ $sub_key ] = $current_stack[ 0 ][ $sub_key ];
}
else
{
$this->dataMap(false, preg_replace('/^[\w]*\./i', "", $sub_value), $sub_key, $data, $sub_stack);
$stack[ $index ][ $key ] = $sub_stack;
}
}
}
else
{
if ($index !== false)
{
$stack[ $index ][ $value ] = $data[ $value ];
}
else
{
if (preg_match('/[a-zA-Z0-9_\-\.]*\s*\(([a-zA-Z0-9_\-]*)\)/i', $key, $key_match))
{
$key = $key_match[ 1 ];
}
$stack[ $key ] = $data[ $key ];
}
}
}
public function select($table, $join, $columns = null, $where = null)
{
$column = $where == null ? $join : $columns;
$is_single_column = (is_string($column) && $column !== '*');
$query = $this->query($this->selectContext($table, $join, $columns, $where));
$stack = [];
$index = 0;
if (!$query)
{
return false;
}
if ($columns === '*')
{
return $query->fetchAll(PDO::FETCH_ASSOC);
}
if ($is_single_column)
{
return $query->fetchAll(PDO::FETCH_COLUMN);
}
while ($row = $query->fetch(PDO::FETCH_ASSOC))
{
foreach ($columns as $key => $value)
{
if (!is_array($value))
{
$value = preg_replace('/^[\w]*\./i', "", $value);
}
$this->dataMap($index, $key, $value, $row, $stack);
}
$index++;
}
return $stack;
}
public function insert($table, $datas)
{
$stack = [];
$columns = [];
$fields = [];
// Check indexed or associative array
if (!isset($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 $key)
{
if (!isset($data[$key]))
{
$values[] = 'NULL';
}
else
{
$value = $data[$key];
switch (gettype($value))
{
case 'NULL':
$values[] = 'NULL';
break;
case 'array':
preg_match("/\(JSON\)\s*([\w]+)/i", $key, $column_match);
$values[] = isset($column_match[ 0 ]) ?
$this->quote(json_encode($value)) :
$this->quote(serialize($value));
break;
case 'boolean':
$values[] = ($value ? '1' : '0');
break;
case 'integer':
case 'double':
case 'string':
$values[] = $this->fnQuote($key, $value);
break;
}
}
}
$stack[] = '(' . implode($values, ', ') . ')';
}
foreach ($columns as $key)
{
$fields[] = $this->columnQuote(preg_replace("/^(\(JSON\)\s*|#)/i", "", $key));
}
return $this->exec('INSERT INTO ' . $this->tableQuote($table) . ' (' . implode(', ', $fields) . ') VALUES ' . implode(', ', $stack));
}
public function update($table, $data, $where = null)
{
$fields = [];
foreach ($data as $key => $value)
{
preg_match('/([\w]+)(\[(\+|\-|\*|\/)\])?/i', $key, $match);
if (isset($match[ 3 ]))
{
if (is_numeric($value))
{
$fields[] = $this->columnQuote($match[ 1 ]) . ' = ' . $this->columnQuote($match[ 1 ]) . ' ' . $match[ 3 ] . ' ' . $value;
}
}
else
{
$column = $this->columnQuote(preg_replace("/^(\(JSON\)\s*|#)/i", "", $key));
switch (gettype($value))
{
case 'NULL':
$fields[] = $column . ' = NULL';
break;