Quick Examples

Quick Examples

Note: In all these examples no other code is required other than including:

either for version 4.x

// composer is required for version 4require'vendor/autoload.php';

or for version 3.x

require'ez_sql_loader.php';

Detailed installation instructions can be found on the Installation and Usage page.

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1. query() for insert

<?php// Insert into the database.$db->query("INSERT INTO users (id, name, email) VALUES (NULL,'justin','jv@foo.com')");

2. query() for update

<?php// Update the database.$db->query("UPDATE users SET name = 'Justin' WHERE id = 2");

3. get_var()

<?php// Get one variable from the database and print it out.$var = $db->get_var("SELECT count(\*) FROM users");
echo$var;

4. get_row()

<?php// Get one row from the database and print it out.$user = $db->get_row("SELECT name,email FROM users WHERE id = 2");
// Access data using object syntax.echo$user->name;
echo$user->email;

5. get_results()

<?php// Select multiple records from the database and print them out.$users = $db->get_results("SELECT name, email FROM users");
foreach ( $usersas$user ) {
// Access data using object syntax.echo$user->name;
echo$user->email;
}

6. get_col()

<?php// Get 'one column' (based on column index) and print it out.$names = $db->get_col("SELECT name, email FROM users", 0)
foreach ( $namesas$name ) {
echo$name;
}

7. get_col() in foreach

<?php// Same as above ‘but quicker’foreach ( $db->get_col("SELECT name, email FROM users", 0) as$name ) {
echo$name;
}

8. debug()

<?php// Enable debug$db->debugOn();
// Run a query$users = $db->get_results("SELECT name, email FROM users");
// Display last query and all associated results.$db->debug();

9. varDump()

<?php// Display the structure and contents of any result(s) .. or any variable$results = $db->get_results("SELECT name, email FROM users");
$db->varDump($results);

10. Print full schema

<?php// Map out the full schema of any given database and print it out.$db->select("my_database");
foreach ( $db->get_col("SHOW TABLES",0) as$table-name ) {
$db->debug();
$db->get_results("DESC $table-name");
}
$db->debug();