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82 lines
2.0 KiB
82 lines
2.0 KiB
<?php
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namespace common\database;
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class Connection {
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protected static $mysqli;
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protected $config;
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function __construct() {
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$this->config = config('database');
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}
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public function connect() {
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if ( !static::$mysqli ) {
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static::$mysqli = new \mysqli(
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$this->config['url'],
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$this->config['username'],
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$this->config['password'],
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$this->config['database']
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);
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}
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if ( static::$mysqli->connect_errno ) {
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throw new \Exception('Unable to connect to database: ' . static::$mysqli->connect_error);
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}
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}
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public function escape($value) {
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return static::$mysqli->real_escape_string($value);
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}
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public function execute($query, $args = [], $returns_statement = false) {
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$statement = static::$mysqli->prepare($query);
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if ( sizeof($args) > 0 ) {
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$types = '';
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foreach ( $args as $arg ) {
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if ( is_int($arg) ) {
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$types .= 'i';
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} else if ( is_float($arg) || is_double($arg) ) {
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$types .= 'd';
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} else if ( is_string($arg) ) {
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$types .= 's';
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} else {
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$types .= 'b';
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}
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}
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$statement->bind_param($types, ...$args);
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}
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$statement->execute();
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if ( $returns_statement ) return $statement;
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return $statement->get_result();
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}
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public function insert($query, $args = []) {
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$statement = $this->execute($query, $args, true);
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return $statement->insert_id;
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}
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public function fetch($query, $args = []) {
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$result = $this->execute($query, $args);
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$rows = [];
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while ( $row = $result->fetch_assoc() ) {
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$rows[] = $row;
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}
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return $rows;
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}
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public function close() {
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if ( static::$mysqli ) {
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static::$mysqli->close();
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static::$mysqli = null;
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}
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}
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}
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