Version 4.0.13.1
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<?php
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/**
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* @brief Binding Class for Prepared Statements
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* @author <a href='http://www.invisionpower.com'>Invision Power Services, Inc.</a>
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* @copyright (c) 2001 - SVN_YYYY Invision Power Services, Inc.
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* @license http://www.invisionpower.com/legal/standards/
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* @package IPS Social Suite
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* @since 18 Feb 2013
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* @version SVN_VERSION_NUMBER
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*/
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namespace IPSUtf8\Db;
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/**
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* Binding Class for Prepared Statements
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*/
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class Bind
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{
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/**
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* @brief Values
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*/
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public $values = array();
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/**
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* @brief Types
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*/
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protected $types = '';
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/**
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* Add value
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*
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* @param string $type Type
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* @param mixed $value Value
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* @return void
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*/
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public function add( $type, $value )
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{
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$this->values[] = $value;
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$this->types .= $type;
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}
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/**
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* Do we have any bound values?
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*
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* @return bool
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*/
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public function haveBinds()
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{
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return !( empty( $this->values ) );
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}
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/**
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* Get array to pass to mysqli_stmt::bind_param
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*
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* @see <a href='http://php.net/manual/en/mysqli-stmt.bind-param.php'>mysqli_stmt::bind_param</a>
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* @return array
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*/
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public function get()
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{
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$values = array();
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foreach ( $this->values as $k => $v )
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{
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$values[ $k ] = &$this->values[ $k ];
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}
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return array_merge( array( $this->types ), $values );
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}
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}
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@@ -0,0 +1,69 @@
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<?php
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/**
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* @brief Exception class for database errors
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* @author <a href='http://www.invisionpower.com'>Invision Power Services, Inc.</a>
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* @copyright (c) 2001 - SVN_YYYY Invision Power Services, Inc.
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* @license http://www.invisionpower.com/legal/standards/
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* @package IPS Social Suite
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* @since 18 Feb 2013
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* @version SVN_VERSION_NUMBER
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*/
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namespace IPSUtf8\Db;
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/**
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* Exception class for database errors
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*/
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class Exception extends \RuntimeException
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{
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/**
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* @brief Query
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*/
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public $query;
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/**
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* @brief Binds
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*/
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public $binds = array();
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/**
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* Constructor
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*
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* @param string $message MySQL Error message
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* @param int $code MySQL Error Code
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* @param \Exception|NULL $previous Previous Exception
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* @param string|NULL $query MySQL Query that caused exception
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* @param array $binds Binds for query
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* @return void
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* @todo Log it
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*/
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public function __construct( $message = null, $code = 0, $previous = null, $query=NULL, $binds=array() )
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{
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$this->query = $query;
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$this->binds = $binds;
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return parent::__construct( $message, $code, $previous );
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}
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/**
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* Send to IPS?
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*
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* @return bool
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*/
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public function shouldSendDiagnosticsReport()
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{
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/* Low-end server errors */
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if ( $this->getCode() < 1046 or in_array( $this->getCode(), array( 1129, 1130, 1194, 1195, 1203 ) ) )
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{
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return FALSE;
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}
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/* Low-end client errors */
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if ( $this->getCode() >= 2000 and $this->getCode() < 2029 )
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{
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return FALSE;
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}
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return TRUE;
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}
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}
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@@ -0,0 +1,329 @@
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<?php
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/**
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* @brief Database SELECT Statement
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* @author <a href='http://www.invisionpower.com'>Invision Power Services, Inc.</a>
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* @copyright (c) 2001 - SVN_YYYY Invision Power Services, Inc.
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* @license http://www.invisionpower.com/legal/standards/
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* @package IPS Social Suite
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* @since 28 Aug 2013
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* @version SVN_VERSION_NUMBER
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*/
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namespace IPSUtf8\Db;
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/**
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* @brief Database SELECT Statement
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*/
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class Select implements \Iterator, \Countable
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{
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/**
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* @brief The query
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*/
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public $query;
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/**
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* @brief Binds
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*/
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public $binds;
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/**
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* @brief The database object
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*/
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protected $db;
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/**
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* @brief The statement
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*/
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protected $stmt;
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/**
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* Constuctor
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*
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* @param string $query The query
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* @param array $binds Binds
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* @param \IPSUtf8\Db $db The database object
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* @return void
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*/
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public function __construct( $query, array $binds, \IPSUtf8\Db $db )
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{
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$this->query = $query;
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$this->binds = $binds;
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$this->db = $db;
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}
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/**
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* Add Join
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*
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* @param array|string $table The table to select from. Either (string) table_name or (array) ( name, alias )
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* @param
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* @return void
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*/
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public function join( $table, $on, $type='LEFT', $using=FALSE )
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{
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$query = '';
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$joinConditionIsOptional = TRUE;
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switch ( $type )
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{
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case 'INNER':
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case 'CROSS':
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$query .= 'INNER JOIN ';
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break;
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case 'STRAIGHT_JOIN':
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$query .= 'STRAIGHT_JOIN';
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if ( $using )
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{
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throw new \InvalidArgumentException; // USING cannot be used with STRAIGHT_JOIN
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}
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break;
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case 'LEFT':
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case 'RIGHT':
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$query .= $type . ' JOIN';
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$joinConditionIsOptional = FALSE;
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break;
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}
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if ( is_array( $table ) )
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{
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$query .= " `{$this->db->prefix}{$table[0]}` AS `{$table[1]}`";
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}
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else
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{
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$query .= " `{$this->db->prefix}{$table}` AS `{$table}`";
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}
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if ( $on )
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{
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if ( $using )
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{
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$query .= ' USING ( ' . implode( ', ', array_map( function( $col )
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{
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return '`' . $col . '`';
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}, $on ) ) . ' ) ';
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}
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else
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{
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$where = $this->db->compileWhereClause( $on );
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$query .= ' ON ' . $where['clause'];
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$this->binds = array_merge( $where['binds'], $this->binds );
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}
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}
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elseif ( !$joinConditionIsOptional )
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{
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throw new \InvalidArgumentException;
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}
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$this->query = preg_replace( '/(FROM `.+?` AS `.+?`)/', '$1 ' . $query, $this->query );
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return $this;
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}
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/**
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* @brief Columns in the resultset
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*/
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protected $columns = array();
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/**
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* @brief Key Field
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*/
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protected $keyField = NULL;
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/**
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* @brief Value Field
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*/
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protected $valueField = NULL;
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/**
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* Set key field
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*
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* @param string $column Column to treat as the key
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* @return \IPSUtf8\Db\Select (for daisy=chaining)
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*/
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public function setKeyField( $column )
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{
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if ( !$this->stmt )
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{
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$this->rewind();
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}
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if ( !in_array( $column, $this->columns ) )
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{
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throw new \InvalidArgumentException;
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}
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$this->keyField = $column;
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return $this;
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}
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/**
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* Set value field
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*
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* @param string $column Column to treat as the key
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* @return \IPSUtf8\Db\Select (for daisy=chaining)
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*/
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public function setValueField( $column )
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{
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if ( !$this->stmt )
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{
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$this->rewind();
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}
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if ( !in_array( $column, $this->columns ) )
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{
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throw new \InvalidArgumentException;
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}
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$this->valueField = $column;
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return $this;
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}
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/**
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* @brief The current row
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*/
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protected $row;
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/**
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* @brief The current key
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*/
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protected $key;
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/**
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* Get first record
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*
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* @return array
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* @throws \OutOfRangeException
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*/
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public function first()
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{
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$this->rewind();
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if ( !$this->valid() )
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{
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throw new \UnderflowException;
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}
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return $this->current();
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}
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/**
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* [Iterator] Rewind - will (re-)execute statement
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*
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* @return void
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*/
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public function rewind( $debug=FALSE )
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{
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/* Run the query */
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$this->stmt = $this->db->preparedQuery( $this->query, $this->binds );
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/* Populate $this->row which we read into */
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$this->row = array();
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$params = array();
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$meta = $this->stmt->result_metadata();
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while ( $field = $meta->fetch_field() )
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{
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$params[] = &$this->row[ $field->name ];
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}
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$this->columns = array_keys( $this->row );
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call_user_func_array( array( $this->stmt, 'bind_result' ), $params );
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/* Get the first result */
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$this->key = -1;
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$this->next();
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}
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/**
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* [Iterator] Get current row
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*
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* @return array
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*/
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public function current()
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{
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if ( $this->valueField )
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{
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return $this->row[ $this->valueField ];
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}
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elseif ( count( $this->row ) === 1 )
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{
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foreach ( $this->row as $v )
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{
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return $v;
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}
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}
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else
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{
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$row = array();
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foreach ( $this->row as $k => $v )
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{
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$row[ $k ] = $v;
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}
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return $row;
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}
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}
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/**
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* [Iterator] Get current key
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*
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* @return mixed
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*/
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public function key()
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{
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if ( $this->keyField )
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{
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return $this->row[ $this->keyField ];
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}
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else
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{
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return $this->key;
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}
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}
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/**
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* [Iterator] Fetch next result
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*
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* @return void
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*/
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public function next()
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{
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if ( $this->stmt->fetch() === NULL )
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{
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$this->row = NULL;
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}
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$this->key++;
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}
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/**
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* [Iterator] Is the current row valid?
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*
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* @return bool
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*/
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public function valid()
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{
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return ( $this->row !== NULL );
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}
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/**
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* [Countable] Get number of rows
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*
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* @param bool $allRows If TRUE, will get the number of rows ignoring the limit. In order for this to work, the query must have been ran with SQL_CALC_FOUND_ROWS
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* @return int
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*/
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public function count( $allRows = FALSE )
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{
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if ( !$this->stmt )
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{
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$this->rewind();
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}
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if ( $allRows )
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{
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$result = $this->db->query( 'SELECT FOUND_ROWS() AS count;' )->fetch_assoc();
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return $result['count'];
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}
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else
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{
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return $this->stmt->num_rows;
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}
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}
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}
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