installation de codeigniter et de la base de données

codeigniter-develop/tests/mocks/database/config/pdo/mysql.php

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+<?php
+
+return array(
+
+	// Typical Database configuration
+	'pdo/mysql' => array(
+		'dsn' => 'mysql:host=127.0.0.1;dbname=ci_test',
+		'hostname' => '127.0.0.1',
+		'username' => 'travis',
+		'password' => 'travis',
+		'database' => 'ci_test',
+		'dbdriver' => 'pdo',
+		'subdriver' => 'mysql'
+	),
+
+	// Database configuration with failover
+	'pdo/mysql_failover' => array(
+		'dsn' => '',
+		'hostname' => '127.0.0.1',
+		'username' => 'not_travis',
+		'password' => 'wrong password',
+		'database' => 'not_ci_test',
+		'dbdriver' => 'pdo',
+		'subdriver' => 'mysql',
+		'failover' => array(
+			array(
+				'dsn' => 'mysql:host=127.0.0.1;dbname=ci_test',
+				'hostname' => '127.0.0.1',
+				'username' => 'travis',
+				'password' => 'travis',
+				'database' => 'ci_test',
+				'dbdriver' => 'pdo',
+				'subdriver' => 'mysql'
+			)
+		)
+	)
+);