pdo-debug-class
Simpel voorbeeldje:
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<?php
$pdo = new Debug_PDO('mysql:host=localhost;dbname=test', 'root', '');
register_shutdown_function(array($pdo, 'dump'));
?>
$pdo = new Debug_PDO('mysql:host=localhost;dbname=test', 'root', '');
register_shutdown_function(array($pdo, 'dump'));
?>
Advanced voorbeeldje (gebruikt mijn log_socket scriptje http://phphulp.nl/php/scripts/11/1465/):
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<?php
$pdo = new Debug_PDO('mysql:host=localhost;dbname=test', 'root', '');
/* Alle INSERT INTO queries niet uitvoeren, maar wel als succesvol merken */
$pdo->add_filter(function($snapshot, &$success) {
if(strstr($snapshot->query, 'INSERT INTO')) {
$success = true;
return false;
}
return true;
});
/* In het antwoord van Debug_PDO_Snapshot::query_as_sql() de argumenten met
* wat terminal-kleurtjes versieren, zodat ze goed opvallen */
$pdo->add_decorator(function($value) {
if($value === null) {
return chr(0x1B) . "[0;37;45mNULL" . chr(0x1B). "[0;32;40m";
} else {
return chr(0x1B) . "[0;37;41m" . $value . chr(0x1B). "[0;32;40m";
}
});
/* Alle INSERT INTO queries (die dus niet uitgevoerd worden) over de log_socket
* sturen zodat ze gekleurd en wel in mijn recieve programmaatje verschijnen */
$pdo->add_listener(function($snapshot) {
if(strstr($snapshot->query, 'INSERT INTO')) {
log_send((string) $snapshot);
}
});
?>
$pdo = new Debug_PDO('mysql:host=localhost;dbname=test', 'root', '');
/* Alle INSERT INTO queries niet uitvoeren, maar wel als succesvol merken */
$pdo->add_filter(function($snapshot, &$success) {
if(strstr($snapshot->query, 'INSERT INTO')) {
$success = true;
return false;
}
return true;
});
/* In het antwoord van Debug_PDO_Snapshot::query_as_sql() de argumenten met
* wat terminal-kleurtjes versieren, zodat ze goed opvallen */
$pdo->add_decorator(function($value) {
if($value === null) {
return chr(0x1B) . "[0;37;45mNULL" . chr(0x1B). "[0;32;40m";
} else {
return chr(0x1B) . "[0;37;41m" . $value . chr(0x1B). "[0;32;40m";
}
});
/* Alle INSERT INTO queries (die dus niet uitgevoerd worden) over de log_socket
* sturen zodat ze gekleurd en wel in mijn recieve programmaatje verschijnen */
$pdo->add_listener(function($snapshot) {
if(strstr($snapshot->query, 'INSERT INTO')) {
log_send((string) $snapshot);
}
});
?>
De klassen:
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<?php
[code]<?php
class Debug_PDO extends PDO {
public $snapshots = array();
protected $_filters = array();
protected $_listeners = array();
protected $_decorators = array();
public function __construct($uri, $username = null, $password = null) {
parent::__construct($uri, $username, $password);
$this->setAttribute(PDO::ATTR_STATEMENT_CLASS, array('Debug_PDO_Statement', array($this)));
}
public function dump() {
foreach($this->snapshots as $snapshot) {
echo "<pre>" . $snapshot . "</pre><br><br>\n";
}
}
public function add_listener($listener) {
if(!is_callable($listener)) {
throw new InvalidArgumentException('add_listener expects a valid callback');
}
$this->_listeners[] = $listener;
}
public function add_filter($filter) {
if(!is_callable($filter)) {
throw new InvalidArgumentException('add_filter expects a valid callback');
}
$this->_filters[] = $filter;
}
public function add_decorator($decorator) {
if(!is_callable($decorator)) {
throw new InvalidArgumentException('add_decorator expects a valid callback');
}
$this->_decorators[] = $decorator;
}
public function should_execute_statement(Debug_PDO_Snapshot $snapshot, &$success) {
foreach($this->_filters as $filter) {
if(!call_user_func_array($filter, array($snapshot, &$success))) return false;
}
return true;
}
public function add_snapshot(Debug_PDO_Snapshot $snapshot) {
$this->snapshots[] = $snapshot;
$snapshot->set_decorators($this->_decorators);
foreach($this->_listeners as $listener) {
call_user_func($listener, $snapshot, $this);
}
}
/*public function lastInsertId() {
return $this->snapshots[count($this->snapshots) - 1]->insert_id;
}*/
}
class Debug_PDO_Statement extends PDOStatement {
protected $_delegate;
protected $_parameters = array();
protected function __construct($delegate) {
$this->_delegate = $delegate;
}
public function execute($arguments = null) {
$snapshot = $this->make_snapshot($arguments);
$this->_delegate->add_snapshot($snapshot);
if($this->_delegate->should_execute_statement($snapshot, $success)) {
$snapshot->timer->start();
$success = parent::execute($arguments);
$snapshot->timer->stop();
$snapshot->insert_id = $this->_delegate->lastInsertId();
$snapshot->affected_rows = $this->rowCount();
}
return $success;
}
public function bindParam($name, &$value, $data_type = null, $length = null, $driver_options = null) {
$this->_parameters[$name] = $this->_delegate->quote($value);
return parent::bindParam($name, $value, $data_type, $length, $driver_options);
}
public function bindValue($name, $value, $data_type = null, $length = null, $driver_options = null) {
return $this->bindParam($name, $value, $data_type, $length, $driver_options);
}
public function make_snapshot($arguments) {
$snapshot = new Debug_PDO_Snapshot();
$snapshot->query = $this->queryString;
$snapshot->parameters = $this->_parameters;
$snapshot->anonymous_parameters = $arguments;
return $snapshot;
}
}
class Debug_PDO_Snapshot {
public $query;
public $parameters;
public $insert_id;
public $anonymous_parameters;
private $_anonymous_parameter_index = 0;
public $affected_rows;
public $timer;
protected $_decorators = array();
public function __construct() {
$this->timer = new Debug_PDO_Timer();
}
public function query_as_sql() {
$this->_anonymous_parameter_index = 0;
$query = self::_remove_indent(preg_replace_callback('/(?:(\:([a-zA-Z0-9\_]+))|(\?))/', array($this, '_replace_placeholder'), $this->query));
return $query;
}
public function execution_time() {
return $this->timer->delta();
}
public function set_decorators(array $decorators) {
$this->_decorators = $decorators;
}
public function __toString() {
return sprintf("%s\n%f seconds, %d affected rows\n",
$this->query_as_sql(), $this->execution_time(), $this->affected_rows);
}
protected function _replace_placeholder($matches) {
if($matches[0] == '?') {
$value = $this->anonymous_parameters[$this->_anonymous_parameter_index++];
} else {
$value = $this->parameters[$matches[1]];
}
foreach($this->_decorators as $decorator) {
$value = call_user_func($decorator, $value);
}
return $value;
}
static protected function _remove_indent($text) {
$lines = explode("\n", $text);
$smallest_indent = INF;
foreach($lines as $line) {
if(trim($line) == '') continue;
$leading_tabs = 0;
while($line[$leading_tabs] == "\t") $leading_tabs++;
if($leading_tabs < $smallest_indent) {
$smallest_indent = $leading_tabs;
}
}
foreach($lines as $line_number => $line) {
if(trim($line) == '') continue;
$lines[$line_number] = substr($line, $smallest_indent);
}
return implode("\n", $lines);
}
}
class Debug_PDO_Timer {
protected $_start_time;
protected $_stop_time;
public function start() {
$this->_start_time = microtime(true);
}
public function stop() {
$this->_stop_time = microtime(true);
}
public function delta() {
return $this->_start_time && $this->_stop_time ? $this->_stop_time - $this->_start_time : false;
}
}
?>
[code]<?php
class Debug_PDO extends PDO {
public $snapshots = array();
protected $_filters = array();
protected $_listeners = array();
protected $_decorators = array();
public function __construct($uri, $username = null, $password = null) {
parent::__construct($uri, $username, $password);
$this->setAttribute(PDO::ATTR_STATEMENT_CLASS, array('Debug_PDO_Statement', array($this)));
}
public function dump() {
foreach($this->snapshots as $snapshot) {
echo "<pre>" . $snapshot . "</pre><br><br>\n";
}
}
public function add_listener($listener) {
if(!is_callable($listener)) {
throw new InvalidArgumentException('add_listener expects a valid callback');
}
$this->_listeners[] = $listener;
}
public function add_filter($filter) {
if(!is_callable($filter)) {
throw new InvalidArgumentException('add_filter expects a valid callback');
}
$this->_filters[] = $filter;
}
public function add_decorator($decorator) {
if(!is_callable($decorator)) {
throw new InvalidArgumentException('add_decorator expects a valid callback');
}
$this->_decorators[] = $decorator;
}
public function should_execute_statement(Debug_PDO_Snapshot $snapshot, &$success) {
foreach($this->_filters as $filter) {
if(!call_user_func_array($filter, array($snapshot, &$success))) return false;
}
return true;
}
public function add_snapshot(Debug_PDO_Snapshot $snapshot) {
$this->snapshots[] = $snapshot;
$snapshot->set_decorators($this->_decorators);
foreach($this->_listeners as $listener) {
call_user_func($listener, $snapshot, $this);
}
}
/*public function lastInsertId() {
return $this->snapshots[count($this->snapshots) - 1]->insert_id;
}*/
}
class Debug_PDO_Statement extends PDOStatement {
protected $_delegate;
protected $_parameters = array();
protected function __construct($delegate) {
$this->_delegate = $delegate;
}
public function execute($arguments = null) {
$snapshot = $this->make_snapshot($arguments);
$this->_delegate->add_snapshot($snapshot);
if($this->_delegate->should_execute_statement($snapshot, $success)) {
$snapshot->timer->start();
$success = parent::execute($arguments);
$snapshot->timer->stop();
$snapshot->insert_id = $this->_delegate->lastInsertId();
$snapshot->affected_rows = $this->rowCount();
}
return $success;
}
public function bindParam($name, &$value, $data_type = null, $length = null, $driver_options = null) {
$this->_parameters[$name] = $this->_delegate->quote($value);
return parent::bindParam($name, $value, $data_type, $length, $driver_options);
}
public function bindValue($name, $value, $data_type = null, $length = null, $driver_options = null) {
return $this->bindParam($name, $value, $data_type, $length, $driver_options);
}
public function make_snapshot($arguments) {
$snapshot = new Debug_PDO_Snapshot();
$snapshot->query = $this->queryString;
$snapshot->parameters = $this->_parameters;
$snapshot->anonymous_parameters = $arguments;
return $snapshot;
}
}
class Debug_PDO_Snapshot {
public $query;
public $parameters;
public $insert_id;
public $anonymous_parameters;
private $_anonymous_parameter_index = 0;
public $affected_rows;
public $timer;
protected $_decorators = array();
public function __construct() {
$this->timer = new Debug_PDO_Timer();
}
public function query_as_sql() {
$this->_anonymous_parameter_index = 0;
$query = self::_remove_indent(preg_replace_callback('/(?:(\:([a-zA-Z0-9\_]+))|(\?))/', array($this, '_replace_placeholder'), $this->query));
return $query;
}
public function execution_time() {
return $this->timer->delta();
}
public function set_decorators(array $decorators) {
$this->_decorators = $decorators;
}
public function __toString() {
return sprintf("%s\n%f seconds, %d affected rows\n",
$this->query_as_sql(), $this->execution_time(), $this->affected_rows);
}
protected function _replace_placeholder($matches) {
if($matches[0] == '?') {
$value = $this->anonymous_parameters[$this->_anonymous_parameter_index++];
} else {
$value = $this->parameters[$matches[1]];
}
foreach($this->_decorators as $decorator) {
$value = call_user_func($decorator, $value);
}
return $value;
}
static protected function _remove_indent($text) {
$lines = explode("\n", $text);
$smallest_indent = INF;
foreach($lines as $line) {
if(trim($line) == '') continue;
$leading_tabs = 0;
while($line[$leading_tabs] == "\t") $leading_tabs++;
if($leading_tabs < $smallest_indent) {
$smallest_indent = $leading_tabs;
}
}
foreach($lines as $line_number => $line) {
if(trim($line) == '') continue;
$lines[$line_number] = substr($line, $smallest_indent);
}
return implode("\n", $lines);
}
}
class Debug_PDO_Timer {
protected $_start_time;
protected $_stop_time;
public function start() {
$this->_start_time = microtime(true);
}
public function stop() {
$this->_stop_time = microtime(true);
}
public function delta() {
return $this->_start_time && $this->_stop_time ? $this->_stop_time - $this->_start_time : false;
}
}
?>