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