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);
}
## Show Errors
function show_errors() { $this->show_errors = true; }
## Hide Errors
function hide_errors() { $this->show_errors = false; }
## Kill cached query results
function flush() {
// Get rid of these
$this->last_result = null;
$this->col_info = null;
$this->last_query = null;
}
## Get one variable from the DB - see docs for more detail
function get_var($query=null,$x=0,$y=0) {
// Log how the function was called
$this->func_call = "\$db->get_var(\"$query\",$x,$y)";
// If there is a query then perform it if not then use cached results..
if ($query) {
$this->query($query);
}
// 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) {
// 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);
}
// 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 {
$this->print_error(" \$db->get_row(string query, output type, int offset) -- Output type must be one of: OBJECT, ARRAY_A, ARRAY_N");
}
}
## Function to get 1 column from the cached result set based in X index see docs for usage and info
function get_col($query=null,$x=0) {
// If there is a query then perform it if not then use cached results..
if ($query) {
$this->query($query);
}
// Extract the column values
for ($i=0; $i < count($this->last_result); $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) {
// 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);
}
// 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($row);
if ($output == ARRAY_N) {
$new_array[$i] = array_values($new_array[$i]);
}
$i++;
}
return $new_array;
} else {
return null;
}
}
}
## Function to get column meta data info pertaining to the last query see docs for more info and usage
function get_col_info($info_type="name",$col_offset=-1) {
if ($this->col_info) {
if ($col_offset == -1) {
$i=0;
foreach($this->col_info as $col) {
$new_array[$i] = $col->{$info_type};
$i++;
}
return $new_array;
} else {
return $this->col_info[$col_offset]->{$info_type};
}
}
}
## Dumps the contents of any input variable to screen in a nicely formatted and easy to understand way - any type: Object, Var or Array
function vardump($mixed='') {
echo "
";
echo "";
if (!$this->vardump_called) {
echo "ezSQL (v".EZSQL_VERSION.") Variable Dump..\n\n";
}
$var_type = gettype ($mixed);
print_r(($mixed?$mixed:"No Value / False"));
echo "\n\nType: " . ucfirst($var_type) . "\n";
echo "Last Query [$this->num_queries]: ".($this->last_query?$this->last_query:"NULL")."\n";
echo "Last Function Call: " . ($this->func_call?$this->func_call:"None")."\n";
echo "Last Rows Returned: ".count($this->last_result)."\n";
echo " |
".$this->donation();
echo "\n
";
$this->vardump_called = true;
}
## Alias for the above function
function dumpvar($mixed) { $this->vardump($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() {
echo "";
// Only show ezSQL credits once..
if (!$this->debug_called) {
echo "ezSQL (v".EZSQL_VERSION.") Debug..\n";
}
if ($this->last_error) {
echo "Last Error -- [$this->last_error]";
}
echo "Query [$this->num_queries] -- ";
echo "[$this->last_query]
";
echo "Query Result..";
echo "
";
if ($this->col_info) {
// Results top rows
echo "";
echo "(row) | ";
for ($i=0; $i < count($this->col_info); $i++) {
echo "{$this->col_info[$i]->type} {$this->col_info[$i]->max_length} {$this->col_info[$i]->name} | ";
}
echo "
";
// print main results
if ($this->last_result) {
$i=0;
foreach ($this->get_results(null,ARRAY_N) as $one_row) {
$i++;
echo "$i | ";
foreach ($one_row as $item) {
echo "$item | ";
}
echo "
";
}
} else {
echo "No Results |
";
}
echo "
";
} else {
echo "No Results";
}
echo "
".$this->donation()."
";
$this->debug_called = true;
}
## Naughty little function to ask for some remuniration!
function donation() {
return "If ezSQL has helped make a donation!? ";
}
}
### ezSQL MYSQL Class Variables
$ezsql_mysql_str = array
(
1 => 'Require $dbuser and $dbpassword to connect to a database server',
2 => 'Error establishing mySQL database connection. Correct user/password? Correct hostname? Database server running?',
3 => 'Require $dbname to select a database',
4 => 'mySQL database connection is not active',
5 => 'Unexpected error while trying to select database'
);
if ( ! function_exists ('mysql_connect') ) die('Fatal Error: ezSQL_mysql requires mySQL Lib to be compiled and or linked in to the PHP engine');
if ( ! class_exists ('ezSQLcore') ) die('Fatal Error: ezSQL_mysql requires ezSQLcore (ez_sql_core.php) to be included/loaded before it can be used');
### ezSQL MYSQL Class
class ezSQL_mysql extends ezSQLcore {
## Constructor - allow the user to perform a qucik connect at the same time as initialising the ezSQL_mysql class
function ezSQL_mysql($dbuser='', $dbpassword='', $dbname='', $dbhost='localhost') {
if ($dbuser && $dbname) {
$this->quick_connect($dbuser, $dbpassword, $dbname, $dbhost);
}
}
## Short hand way to connect to mySQL database server and select a mySQL database at the same time
function quick_connect($dbuser='', $dbpassword='', $dbname='', $dbhost='localhost') {
$return_val = false;
if ( ! $this->connect($dbuser, $dbpassword, $dbhost,true) ) ;
else if ( ! $this->select($dbname) ) ;
else $return_val = true;
return $return_val;
}
## Try to connect to mySQL database server
function connect($dbuser='', $dbpassword='', $dbhost='localhost'){
global $ezsql_mysql_str; $return_val = false;
// Must have a user and a password
if (!$dbuser){
$this->register_error($ezsql_mysql_str[1].' in '.__FILE__.' on line '.__LINE__);
$this->show_errors ? trigger_error($ezsql_mysql_str[1],E_USER_WARNING) : null;
// Try to establish the server database handle
} else if (!$this->dbh = @mysql_connect($dbhost,$dbuser,$dbpassword)) {
$this->register_error($ezsql_mysql_str[2].' in '.__FILE__.' on line '.__LINE__);
$this->show_errors ? trigger_error($ezsql_mysql_str[2],E_USER_WARNING) : null;
} else {
$return_val = true;
}
return $return_val;
}
## Close
function close() {
return mysql_close($this->dbh);
}
## Try to select a mySQL database
function select($dbname='') {
global $ezsql_mysql_str; $return_val = false;
// Must have a database name
if (!$dbname) {
$this->register_error($ezsql_mysql_str[3].' in '.__FILE__.' on line '.__LINE__);
$this->show_errors ? trigger_error($ezsql_mysql_str[3],E_USER_WARNING) : null;
// Must have an active database connection
} else if (!$this->dbh) {
$this->register_error($ezsql_mysql_str[4].' in '.__FILE__.' on line '.__LINE__);
$this->show_errors ? trigger_error($ezsql_mysql_str[4],E_USER_WARNING) : null;
// Try to connect to the database
} else if (!@mysql_select_db($dbname,$this->dbh)) {
// Try to get error supplied by mysql if not use our own
if ( !$str = @mysql_error($this->dbh)) {
$str = $ezsql_mysql_str[5];
}
$this->register_error($str.' in '.__FILE__.' on line '.__LINE__);
$this->show_errors ? trigger_error($str,E_USER_WARNING) : null;
} else {
$return_val = true;
}
return $return_val;
}
## Format a mySQL string correctly for safe mySQL insert (no mater if magic quotes are on or not)
function escape($str) {
return mysql_escape_string(stripslashes($str));
}
## Return mySQL specific system date syntax
function sysdate() {
return 'NOW()';
}
## Perform mySQL query and try to detirmin result value
function query($query) {
// For reg expressions
$query = trim($query);
// Initialise return
$return_val = 0;
// Flush cached values..
$this->flush();
// Log how the function was called
$this->func_call = "\$db->query(\"$query\")";
// Keep track of the last query for debug..
$this->last_query = $query;
// Perform the query via std mysql_query function..
$this->result = @mysql_query($query,$this->dbh);
$this->num_queries++;
$this->all_queries .= $query.'
';
// If there is an error then take note of it..
if ($str = @mysql_error($this->dbh)) {
$this->register_error($str);
$this->show_errors ? trigger_error($str,E_USER_WARNING) : null;
return false;
}
// Query was an insert, delete, update, replace
if (preg_match("/^(insert|delete|update|replace)\s+/i",$query)) {
$this->rows_affected = @mysql_affected_rows();
// Take note of the insert_id
if (preg_match("/^(insert|replace)\s+/i",$query)) {
$this->insert_id = @mysql_insert_id($this->dbh);
}
// Return number fo rows affected
$return_val = $this->rows_affected;
// Query was a select
} else {
// Take note of column info
$i=0;
while ($i < @mysql_num_fields($this->result)) {
$this->col_info[$i] = @mysql_fetch_field($this->result);
$i++;
}
// Store Query Results
$num_rows=0;
while ($row = @mysql_fetch_object($this->result)) {
// Store relults as an objects within main array
$this->last_result[$num_rows] = $row;
$num_rows++;
}
@mysql_free_result($this->result);
// Log number of rows the query returned
$this->num_rows = $num_rows;
// Return number of rows selected
$return_val = $this->num_rows;
}
// If debug ALL queries
$this->trace || $this->debug_all ? $this->debug() : null ;
return $return_val;
}
function mysql_version() {
return mysql_get_server_info( $this->dbh ) ;
}
}
?>