Initial commit

app/Core/QueryBuilder copy.php

@@ -0,0 +1,82 @@
+<?php 
+
+namespace App\Core;
+
+use PDO;
+
+
+class QueryBuilder {
+    protected $pdo;
+    protected $table;
+    protected $where = [];
+    protected $params = [];
+
+    public function __construct(PDO $pdo) {
+        $this->pdo = $pdo;
+    }
+
+    public function table($table) {
+        $this->table = $table;
+        return $this;
+    }
+
+    public function where($column, $operator, $value = null) {
+        if ($value === null) {
+            $value = $operator;
+            $operator = '=';
+        }
+        $paramName = 'where_' . str_replace('.', '_', $column) . '_' . count($this->params);
+
+        $this->where[] = "{$column} {$operator} :{$paramName}";
+        $this->params[$paramName] = $value;
+
+        return $this;
+    }
+
+    public function get() {
+        $sql = "SELECT * FROM {$this->table}";
+        if (!empty($this->where)) {
+            $sql .= " WHERE " . implode(' AND ', $this->where);
+        }
+
+        // echo "<b>SQL:</b> " . $sql . "<br><br>";
+        // echo "<b>Params:</b><pre>"; print_r($this->params); echo "</pre>";
+        // // die();
+        
+        $stmt = $this->pdo->prepare($sql);
+        $stmt->execute($this->params);
+        return $stmt->fetchAll();
+    }
+
+    public function insert(array $data) {
+        $columns = implode(', ', array_keys($data));
+        $placeholders = ':' . implode(', :', array_keys($data));
+
+        $sql = "INSERT INTO {$this->table} ({$columns}) VALUES ({$placeholders})";
+        return $this->pdo->prepare($sql)->execute($data);
+    }
+
+    public function update(array $data) {
+        $fields = "";
+        foreach ($data as $key => $value) {
+            $fields .= "{$key} = :{$key}, ";
+        }
+        $fields = rtrim($fields, ', ');
+
+        $sql = "UPDATE {$this->table} SET {$fields}";
+        if (!empty($this->where)) {
+            $sql .= " WHERE " . implode(' AND ', $this->where);
+        }
+        return $this->pdo->prepare($sql)->execute(array_merge($data, $this->params));
+    }
+
+    public function delete() {
+        $sql = "DELETE FROM {$this->table}";
+        if (!empty($this->where)) {
+            $sql .= " WHERE " . implode(' AND ', $this->where);
+        }
+
+        return $this->pdo->prepare($sql)->execute($this->params);
+    }
+}
+ ?>