Mmanager\Extensions\Database\ezSQLcore

Complexity

Total Complexity

90

Size/Duplication

Total Lines	608
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	0

Importance

Changes

0

23 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	3	1
A	get_host_port()	0	9	2
A	register_error()	0	11	1
A	show_errors()	0	4	1
A	hide_errors()	0	4	1
A	flush()	0	8	1
A	get_var()	0	21	5
B	get_row()	0	34	9
A	get_col()	0	20	3
B	get_results()	0	42	8
A	get_col_info()	0	22	4
B	store_cache()	0	30	9
B	get_cache()	0	33	8
B	vardump()	0	38	6
A	dumpvar()	0	4	1
C	debug()	0	106	12
A	donation()	0	4	1
A	timer_get_cur()	0	5	1
A	timer_start()	0	4	1
A	timer_elapsed()	0	4	1
A	timer_update_global()	0	12	2
B	get_set()	0	27	9
A	count()	0	8	3

<?php
namespace Mmanager\Extensions\Database;
	/**********************************************************************
	*  Author: Justin Vincent (jv@vip.ie)
	*  Web...: http://justinvincent.com
	*  Name..: ezSQL
	*  Desc..: ezSQL Core module - database abstraction library to make
	*          it very easy to deal with databases. ezSQLcore can not be used by
	*          itself (it is designed for use by database specific modules).
	*
	*/

	/**********************************************************************
	*  ezSQL Constants
	*/

	defined('EZSQL_VERSION') or define('EZSQL_VERSION', '2.17');
	defined('OBJECT') or define('OBJECT', 'OBJECT');
	defined('ARRAY_A') or define('ARRAY_A', 'ARRAY_A');
	defined('ARRAY_N') or define('ARRAY_N', 'ARRAY_N');

	/**********************************************************************
	*  Core class containg common functions to manipulate query result
	*  sets once returned
	*/

	class ezSQLcore
	{

		var $trace            = false; // same as $debug_all
		var $debug_all        = false; // same as $trace
		var $debug_called     = false;
		var $vardump_called   = false;
		var $show_errors      = true;
		var $num_queries      = 0;
		var $conn_queries     = 0;
		var $last_query       = null;
		var $last_error       = null;
		var $col_info         = null;
		var $captured_errors  = array();
		var $cache_dir        = false;
		var $cache_queries    = false;
		var $cache_inserts    = false;
		var $use_disk_cache   = false;
		var $cache_timeout    = 24; // hours
		var $timers           = array();
		var $total_query_time = 0;
		var $db_connect_time  = 0;
		var $trace_log        = array();
		var $use_trace_log    = false;
		var $sql_log_file     = false;
		var $do_profile       = false;
		var $profile_times    = array();

		// == TJH == default now needed for echo of debug function
		var $debug_echo_is_on = true;

		/**********************************************************************
		*  Constructor
		*/

		function __construct()

It is generally recommended to explicitly declare the visibility for methods.

		{
		}

		/**********************************************************************
		*  Get host and port from an "host:port" notation.
		*  Returns array of host and port. If port is omitted, returns $default
		*/

		function get_host_port($host, $default = false)

It is generally recommended to explicitly declare the visibility for methods.

		{
			$port = $default;
			if (false !== strpos($host, ':')) {
				list($host, $port) = explode(':', $host);
				$port = (int) $port;
			}
			return array($host, $port);
		}

		/**********************************************************************
		*  Print SQL/DB error - over-ridden by specific DB class
		*/

		function register_error($err_str)

It is generally recommended to explicitly declare the visibility for methods.

		{
			// Keep track of last error
			$this->last_error = $err_str;

			// Capture all errors to an error array no matter what happens
			$this->captured_errors[] = array(
				'error_str' => $err_str,
				'query'     => $this->last_query
			);
		}

		/**********************************************************************
		*  Turn error handling on or off..
		*/

		function show_errors()

It is generally recommended to explicitly declare the visibility for methods.

		{
			$this->show_errors = true;
		}

		function hide_errors()

It is generally recommended to explicitly declare the visibility for methods.

		{
			$this->show_errors = false;
		}

		/**********************************************************************
		*  Kill cached query results
		*/

		function flush()

It is generally recommended to explicitly declare the visibility for methods.

		{
			// Get rid of these
			$this->last_result = null;

The property last_result does not exist. Did you maybe forget to declare it?

			$this->col_info = null;
			$this->last_query = null;
			$this->from_disk_cache = false;

The property from_disk_cache does not exist. Did you maybe forget to declare it?

		}

		/**********************************************************************
		*  Get one variable from the DB - see docs for more detail
		*/

		function get_var($query = null, $x = 0, $y = 0)

It is generally recommended to explicitly declare the visibility for methods.

		{

			// Log how the function was called
			$this->func_call = "\$db->get_var(\"$query\",$x,$y)";

The property func_call does not exist. Did you maybe forget to declare it?

			// If there is a query then perform it if not then use cached results..
			if ($query)
			{
				$this->query($query);

It seems like you code against a specific sub-type and not the parent class Mmanager\Extensions\Database\ezSQLcore as the method query() does only exist in the following sub-classes of Mmanager\Extensions\Database\ezSQLcore: Mmanager\Extensions\Database\ezSQL_mysqli. Maybe you want to instanceof check for one of these explicitly?

			}

			// Extract var out of cached results based x,y vals
			if ($this->last_result[$y])
			{
				$values = array_values(get_object_vars($this->last_result[$y]));
			}

			// If there is a value return it else return null
			return (isset($values[$x]) && $values[$x] !== '') ? $values[$x] : null;
		}

		/**********************************************************************
		*  Get one row from the DB - see docs for more detail
		*/

		function get_row($query = null, $output = OBJECT, $y = 0)

It is generally recommended to explicitly declare the visibility for methods.

		{

			// Log how the function was called
			$this->func_call = "\$db->get_row(\"$query\",$output,$y)";

			// If there is a query then perform it if not then use cached results..
			if ($query)
			{
				$this->query($query);

It seems like you code against a specific sub-type and not the parent class Mmanager\Extensions\Database\ezSQLcore as the method query() does only exist in the following sub-classes of Mmanager\Extensions\Database\ezSQLcore: Mmanager\Extensions\Database\ezSQL_mysqli. Maybe you want to instanceof check for one of these explicitly?

			}

			// If the output is an object then return object using the row offset..
			if ($output == OBJECT)
			{
				return $this->last_result[$y] ? $this->last_result[$y] : null;
			}
			// If the output is an associative array then return row as such..
			elseif ($output == ARRAY_A)
			{
				return $this->last_result[$y] ?get_object_vars($this->last_result[$y]) : null;
			}
			// If the output is an numerical array then return row as such..
			elseif ($output == ARRAY_N)
			{
				return $this->last_result[$y] ?array_values(get_object_vars($this->last_result[$y])) : null;
			}
			// If invalid output type was specified..
			else
			{
				$this->show_errors ? trigger_error(" \$db->get_row(string query, output type, int offset) -- Output type must be one of: OBJECT, ARRAY_A, ARRAY_N", E_USER_WARNING) : null;
			}

		}

		/**********************************************************************
		*  Function to get 1 column from the cached result set based in X index
		*  see docs for usage and info
		*/

		function get_col($query = null, $x = 0)

It is generally recommended to explicitly declare the visibility for methods.

		{

			$new_array = array();

			// If there is a query then perform it if not then use cached results..
			if ($query)
			{
				$this->query($query);

It seems like you code against a specific sub-type and not the parent class Mmanager\Extensions\Database\ezSQLcore as the method query() does only exist in the following sub-classes of Mmanager\Extensions\Database\ezSQLcore: Mmanager\Extensions\Database\ezSQL_mysqli. Maybe you want to instanceof check for one of these explicitly?

			}

			// Extract the column values
			$j = count($this->last_result);
			for ($i = 0; $i < $j; $i++)
			{
				$new_array[$i] = $this->get_var(null, $x, $i);
			}

			return $new_array;
		}


		/**********************************************************************
		*  Return the the query as a result set - see docs for more details
		*/

		function get_results($query = null, $output = OBJECT)

It is generally recommended to explicitly declare the visibility for methods.

		{

			// Log how the function was called
			$this->func_call = "\$db->get_results(\"$query\", $output)";

			// If there is a query then perform it if not then use cached results..
			if ($query)
			{
				$this->query($query);

It seems like you code against a specific sub-type and not the parent class Mmanager\Extensions\Database\ezSQLcore as the method query() does only exist in the following sub-classes of Mmanager\Extensions\Database\ezSQLcore: Mmanager\Extensions\Database\ezSQL_mysqli. Maybe you want to instanceof check for one of these explicitly?

			}

			// Send back array of objects. Each row is an object
			if ($output == OBJECT)
			{
				return $this->last_result;
			}
			elseif ($output == ARRAY_A || $output == ARRAY_N)
			{
				if ($this->last_result)
				{
					$i = 0;
					foreach ($this->last_result as $row)
					{

						$new_array[$i] = get_object_vars($row);

$new_array was never initialized. Although not strictly required by PHP, it is generally a good practice to add $new_array = array(); before regardless.

						if ($output == ARRAY_N)
						{
							$new_array[$i] = array_values($new_array[$i]);

The variable $new_array does not seem to be defined for all execution paths leading up to this point.

						}

						$i++;
					}

					return $new_array;
				} else
				{
					return array();
				}
			}
		}


		/**********************************************************************
		*  Function to get column meta data info pertaining to the last query
		* see docs for more info and usage
		*/

		function get_col_info($info_type = "name", $col_offset = -1)

It is generally recommended to explicitly declare the visibility for methods.

		{

			if ($this->col_info)
			{
				if ($col_offset == -1)
				{
					$i = 0;
					foreach ($this->col_info as $col)
					{
						$new_array[$i] = $col->{$info_type};

$new_array was never initialized. Although not strictly required by PHP, it is generally a good practice to add $new_array = array(); before regardless.

						$i++;
					}
					return $new_array;

The variable $new_array does not seem to be defined for all execution paths leading up to this point.

				} else
				{
					return $this->col_info[$col_offset]->{$info_type};
				}

			}

		}

		/**********************************************************************
		*  store_cache
		*/

		function store_cache($query, $is_insert)

It is generally recommended to explicitly declare the visibility for methods.

		{

			// The would be cache file for this query
			$cache_file = $this->cache_dir.'/'.md5($query);

			// disk caching of queries
			if ($this->use_disk_cache && ($this->cache_queries && ! $is_insert) || ($this->cache_inserts && $is_insert))
			{
				if ( ! is_dir($this->cache_dir))
				{
					$this->register_error("Could not open cache dir: $this->cache_dir");
					$this->show_errors ? trigger_error("Could not open cache dir: $this->cache_dir", E_USER_WARNING) : null;
				}
				else
				{
					// Cache all result values
					$result_cache = array(
						'col_info' => $this->col_info,
						'last_result' => $this->last_result,
						'num_rows' => $this->num_rows,

The property num_rows does not exist. Did you maybe forget to declare it?

						'return_value' => $this->num_rows,
					);
					file_put_contents($cache_file, serialize($result_cache));
					if (file_exists($cache_file.".updating"))
						unlink($cache_file.".updating");
				}
			}

		}

		/**********************************************************************
		*  get_cache
		*/

		function get_cache($query)

It is generally recommended to explicitly declare the visibility for methods.

		{

			// The would be cache file for this query
			$cache_file = $this->cache_dir.'/'.md5($query);

			// Try to get previously cached version
			if ($this->use_disk_cache && file_exists($cache_file))
			{
				// Only use this cache file if less than 'cache_timeout' (hours)
				if ((time() - filemtime($cache_file)) > ($this->cache_timeout * 3600) &&
					! (file_exists($cache_file.".updating") && (time() - filemtime($cache_file.".updating") < 60)))
				{
					touch($cache_file.".updating"); // Show that we in the process of updating the cache
				}
				else
				{
					$result_cache = unserialize(file_get_contents($cache_file));

					$this->col_info = $result_cache['col_info'];
					$this->last_result = $result_cache['last_result'];
					$this->num_rows = $result_cache['num_rows'];

					$this->from_disk_cache = true;

					// If debug ALL queries
					$this->trace || $this->debug_all ? $this->debug() : null;

					return $result_cache['return_value'];
				}
			}

		}

		/**********************************************************************
		*  Dumps the contents of any input variable to screen in a nicely
		*  formatted and easy to understand way - any type: Object, Var or Array
		*/

		function vardump($mixed = '')

It is generally recommended to explicitly declare the visibility for methods.

		{

			// Start outup buffering
			ob_start();

			echo "<p><table><tr><td bgcolor=ffffff><blockquote><font color=000090>";
			echo "<pre><font face=arial>";

			if ( ! $this->vardump_called)
			{
				echo "<font color=800080><b>ezSQL</b> (v".EZSQL_VERSION.") <b>Variable Dump..</b></font>\n\n";
			}

			$var_type = gettype($mixed);
			print_r(($mixed ? $mixed : "<font color=red>No Value / False</font>"));
			echo "\n\n<b>Type:</b> ".ucfirst($var_type)."\n";
			echo "<b>Last Query</b> [$this->num_queries]<b>:</b> ".($this->last_query ? $this->last_query : "NULL")."\n";
			echo "<b>Last Function Call:</b> ".($this->func_call ? $this->func_call : "None")."\n";
			echo "<b>Last Rows Returned:</b> ".count($this->last_result)."\n";
			echo "</font></pre></font></blockquote></td></tr></table>".$this->donation();
			echo "\n<hr size=1 noshade color=dddddd>";

			// Stop output buffering and capture debug HTML
			$html = ob_get_contents();
			ob_end_clean();

			// Only echo output if it is turned on
			if ($this->debug_echo_is_on)
			{
				echo $html;
			}

			$this->vardump_called = true;

			return $html;

		}

		/**********************************************************************
		*  Alias for the above function
		*/

		function dumpvar($mixed)

It is generally recommended to explicitly declare the visibility for methods.

		{
			$this->vardump($mixed);
		}

		/**********************************************************************
		*  Displays the last query string that was sent to the database & a
		* table listing results (if there were any).
		* (abstracted into a seperate file to save server overhead).
		*/

		function debug($print_to_screen = true)

It is generally recommended to explicitly declare the visibility for methods.

		{

			// Start outup buffering
			ob_start();

			echo "<blockquote>";

			// Only show ezSQL credits once..
			if ( ! $this->debug_called)
			{
				echo "<font color=800080 face=arial size=2><b>ezSQL</b> (v".EZSQL_VERSION.") <b>Debug..</b></font><p>\n";
			}

			if ($this->last_error)
			{
				echo "<font face=arial size=2 color=000099><b>Last Error --</b> [<font color=000000><b>$this->last_error</b></font>]<p>";
			}

			if ($this->from_disk_cache)
			{
				echo "<font face=arial size=2 color=000099><b>Results retrieved from disk cache</b></font><p>";
			}

			echo "<font face=arial size=2 color=000099><b>Query</b> [$this->num_queries] <b>--</b> ";
			echo "[<font color=000000><b>$this->last_query</b></font>]</font><p>";

				echo "<font face=arial size=2 color=000099><b>Query Result..</b></font>";
				echo "<blockquote>";

			if ($this->col_info)
			{

				// =====================================================
				// Results top rows

				echo "<table cellpadding=5 cellspacing=1 bgcolor=555555>";
				echo "<tr bgcolor=eeeeee><td nowrap valign=bottom><font color=555599 face=arial size=2><b>(row)</b></font></td>";


				for ($i = 0, $j = count($this->col_info); $i < $j; $i++)
				{
					/* when selecting count(*) the maxlengh is not set, size is set instead. */
					echo "<td nowrap align=left valign=top><font size=1 color=555599 face=arial>{$this->col_info[$i]->type}";
					if ( ! isset($this->col_info[$i]->max_length))
					{
						echo "{$this->col_info[$i]->size}";
					} else {
						echo "{$this->col_info[$i]->max_length}";
					}
					echo "</font><br><span style='font-family: arial; font-size: 10pt; font-weight: bold;'>{$this->col_info[$i]->name}</span></td>";
				}

				echo "</tr>";

				// ======================================================
				// print main results

			if ($this->last_result)
			{

				$i = 0;
				foreach ($this->get_results(null, ARRAY_N) as $one_row)
				{
					$i++;
					echo "<tr bgcolor=ffffff><td bgcolor=eeeeee nowrap align=middle><font size=2 color=555599 face=arial>$i</font></td>";

					foreach ($one_row as $item)
					{
						echo "<td nowrap><font face=arial size=2>$item</font></td>";
					}

					echo "</tr>";
				}

			} // if last result
			else
			{
				echo "<tr bgcolor=ffffff><td colspan=".(count($this->col_info) + 1)."><font face=arial size=2>No Results</font></td></tr>";
			}

			echo "</table>";

			} // if col_info
			else
			{
				echo "<font face=arial size=2>No Results</font>";
			}

			echo "</blockquote></blockquote>".$this->donation()."<hr noshade color=dddddd size=1>";

			// Stop output buffering and capture debug HTML
			$html = ob_get_contents();
			ob_end_clean();

			// Only echo output if it is turned on
			if ($this->debug_echo_is_on && $print_to_screen)
			{
				echo $html;
			}

			$this->debug_called = true;

			return $html;

		}

		/**********************************************************************
		*  Naughty little function to ask for some remuniration!
		*/

		function donation()

It is generally recommended to explicitly declare the visibility for methods.

		{
			return "<font size=1 face=arial color=000000>If ezSQL has helped <a href=\"https://www.paypal.com/xclick/business=justin%40justinvincent.com&item_name=ezSQL&no_note=1&tax=0\" style=\"color: 0000CC;\">make a donation!?</a> &nbsp;&nbsp;<!--[ go on! you know you want to! ]--></font>";
		}

		/**********************************************************************
		*  Timer related functions
		*/

		function timer_get_cur()

It is generally recommended to explicitly declare the visibility for methods.

		{
			list($usec, $sec) = explode(" ", microtime());
			return ((float) $usec + (float) $sec);
		}

		function timer_start($timer_name)

It is generally recommended to explicitly declare the visibility for methods.

		{
			$this->timers[$timer_name] = $this->timer_get_cur();
		}

		function timer_elapsed($timer_name)

It is generally recommended to explicitly declare the visibility for methods.

		{
			return round($this->timer_get_cur() - $this->timers[$timer_name], 2);
		}

		function timer_update_global($timer_name)

It is generally recommended to explicitly declare the visibility for methods.

		{
			if ($this->do_profile)
			{
				$this->profile_times[] = array(
					'query' => $this->last_query,
					'time' => $this->timer_elapsed($timer_name)
				);
			}

			$this->total_query_time += $this->timer_elapsed($timer_name);
		}

		/**********************************************************************
		* Creates a SET nvp sql string from an associative array (and escapes all values)
		*
		*  Usage:
		*
		*     $db_data = array('login'=>'jv','email'=>'jv@vip.ie', 'user_id' => 1, 'created' => 'NOW()');
		*
		*     $db->query("INSERT INTO users SET ".$db->get_set($db_data));
		*
		*     ...OR...
		*
		*     $db->query("UPDATE users SET ".$db->get_set($db_data)." WHERE user_id = 1");
		*
		* Output:
		*
		*     login = 'jv', email = 'jv@vip.ie', user_id = 1, created = NOW()
		*/

		function get_set($params)

It is generally recommended to explicitly declare the visibility for methods.

		{
			if ( ! is_array($params))
			{
				$this->register_error('get_set() parameter invalid. Expected array in '.__FILE__.' on line '.__LINE__);
				return;
			}
			$sql = array();
			foreach ($params as $field => $val)
			{
				if ($val === 'true' || $val === true)
					$val = 1;
				if ($val === 'false' || $val === false)
					$val = 0;

				switch ($val) {
					case 'NOW()' :
					case 'NULL' :
					  $sql[] = "$field = $val";
						break;
					default :
						$sql[] = "$field = '".$this->escape($val)."'";

It seems like you code against a specific sub-type and not the parent class Mmanager\Extensions\Database\ezSQLcore as the method escape() does only exist in the following sub-classes of Mmanager\Extensions\Database\ezSQLcore: Mmanager\Extensions\Database\ezSQL_mysqli. Maybe you want to instanceof check for one of these explicitly?

				}
			}

			return implode(', ', $sql);
		}

		/**
		 * Function for operating query count
		 *
		 * @param bool $all Set to false for function to return queries only during this connection
		 * @param bool $increase Set to true to increase query count (internal usage)
		 * @return int Returns query count base on $all
		 */
		function count($all = true, $increase = false) {

It is generally recommended to explicitly declare the visibility for methods.

			if ($increase) {
				$this->num_queries++;
				$this->conn_queries++;
			}

			return ($all) ? $this->num_queries : $this->conn_queries;
		}
	}