PHP Classes

File: example.php

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  Classes of Jeff Williams   Ultimate MySQL   example.php   Download  
File: example.php
Role: Example script
Content type: text/plain
Description: Examples for UltimateMySQL
Class: Ultimate MySQL
MySQL database access wrapper
Author: By
Last change: Updated for version 2.2.4
Date: 16 years ago
Size: 4,277 bytes
 

Contents

Class file image Download
<?
include("mysql.class.php");

$db = new MySQL();

// *OR* you can fill in these details when the object is created
// $db = new MySQL(true, "Test", "localhost", "root", "password");

/*
-- --------------------------------------------
-- SQL to generate test table
-- --------------------------------------------
CREATE TABLE `test` (
  `TestID` int(10) NOT NULL auto_increment,
  `Color` varchar(15) default NULL,
  `Age` int(10) default NULL,
  PRIMARY KEY (`TestID`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1;
-- --------------------------------------------
*/

// --- Open the database --------------------------------------------
// (Also note that you can fill in the variables in the top of the class
// if you want to automatically connect when the object is created. If
// you fill in the values when you create the obect, this is not needed.)
if (! $db->Open("test", "localhost", "root", "password")) {
   
$db->Kill();
}
echo
"You are connected to the database<br />\n";

// --- Insert a new record ------------------------------------------
$sql = "INSERT INTO Test (Color, Age) Values ('Red', 7)";
if (!
$db->Query($sql)) {
   
$db->Kill();
}
echo
"Last ID inserted was: " . $db->GetLastInsertID();

// --- Or insert a new record with transaction processing -----------
$sql = "INSERT INTO Test (Color, Age) Values ('Blue', 3)";
$db->TransactionBegin();
if (
$db->Query($sql)) {
   
$db->TransactionEnd();
    echo
"Last ID inserted was: " . $db->GetLastInsertID() . "<br /><br />\n";
} else {
   
$db->TransactionRollback();
    echo
"<p>Query Failed</p>\n";
}

// --- Query and show the data --------------------------------------
// (Note: $db->Query also returns the result set)
if ($db->Query("SELECT * FROM Test")) {
    echo
$db->GetHTML();
} else {
    echo
"<p>Query Failed</p>";
}

// --- Getting the record count is easy -----------------------------
echo "\n<p>Record Count: " . $db->RowCount() . "</p>\n";


// --- Loop through the records -------------------------------------
while ($row = $db->Row()) {
    echo
$row->Color . " - " . $row->Age . "<br />\n";
}

// --- Loop through the records another way -------------------------
$db->MoveFirst();
while (!
$db->EndOfSeek()) {
   
$row = $db->Row();
    echo
$row->Color . " - " . $row->Age . "<br />\n";
}

// --- Loop through the records with an index -----------------------
for ($index = 0; $index < $db->RowCount(); $index++) {
   
$row = $db->Row($index);
    echo
"Row " . $index . ":" . $row->Color . " - " . $row->Age . "<br />\n";
}

// --- We can even grab array data from the last result set ---------
$myArray = $db->RecordsArray();

// --- List all of the tables in the database -----------------------
$tables = $db->GetTables();
foreach (
$tables as $table) {
    echo
$table . "<br />\n";
}

// --- Show the columns (field names) in a table --------------------
$columns = $db->GetColumnNames("test");
foreach (
$columns as $column) {
    echo
$column . "<br />\n";
}

// --- Find a column (field) type and length ------------------------
echo "Type: " . $db->GetColumnDataType("Color", "Test") . "<br />\n";
echo
"Length: " . $db->GetColumnLength("Color", "Test") . "<br />\n";

// --- Get a column's ordinal position (the column number) ----------
echo $db->GetColumnID("Age", "Test") . "<br />\n";

// --- Check for errors ---------------------------------------------
if ($db->Error()) {
    echo
"<h3>" . $db->Error() . "</h3>\n";
} else {
    echo
"<p>There were no errors</p>\n";
}

// --- Format some values ready for SQL -----------------------------
// You do not have to create the object to use these. Simply include
// the class in your PHP file. These are called "Static" methods.
echo "<br /><br />\n\n";
echo
MySQL::SQLValue("Let's format some text") . "<br />\n";
echo
MySQL::SQLValue(date("m/d/Y"), MySQL::SQLVALUE_DATE) . "<br />\n";
echo
MySQL::SQLValue(123, MySQL::SQLVALUE_NUMBER) . "<br />\n";

// --- Format some values ready for SQL based on a boolean value ----
echo MySQL::SQLBooleanValue(false, "1", "0", MySQL::SQLVALUE_NUMBER);
echo
MySQL::SQLBooleanValue("ON", "Ya", "Nope");
echo
MySQL::SQLBooleanValue(1, '+', '-');
?>