92 lines
2.4 KiB
PHP
Executable File
92 lines
2.4 KiB
PHP
Executable File
<?php
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/*
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SQL osztály
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adatbázis műveletek
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SQLI osztályból származtatva
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*/
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class sql extends mysqli {
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private $_query;
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function __construct($_host, $_username, $_password, $_dbname) {
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parent::__construct($_host, $_username, $_password, $_dbname);
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self::set_charset("utf8");
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}
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public function single_variable($_query) {
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$result = self::query($_query);
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//var_dump($_query);
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$assoc_array = $result->fetch_array(MYSQLI_NUM);
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return $assoc_array['0'];
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}
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public function assoc_array($_query) {
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//var_dump($_query);
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$result = self::query($_query);
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$ret_array = array();
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while ($item = $result->fetch_assoc()) {
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$ret_array[] = $item;
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}
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return $ret_array;
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}
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public function insert_into($table, $value_array, $need_apostrophs = true) {
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//a beszúrt rekord id-ját adja vissza
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$fields = '';
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$values = '';
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$i = 0;
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$n = count($value_array);
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foreach ($value_array as $key => $value) {
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$fields .= $key;
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$need_apostrophs = $value!='null';
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$values .= ($need_apostrophs ? "'" : "") . $value . ($need_apostrophs ? "'" : "");
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if ($i!=($n-1)) {
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$fields .= ', ';
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$values .= ', ';
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}
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$i++;
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}
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$this->_query = 'insert into ' . $table . ' (' . $fields . ') values (' . $values . ');';
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//var_dump($this->_query);
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self::query($this->_query);
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return $this->insert_id;
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}
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public function update_table($table, $value_array, $conditions, $need_apostrophs = true) {
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$this->_query = "update " . $table . " set ";
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$n = count($value_array);
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$i=0;
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foreach ($value_array as $key => $val) {
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$need_apostrophs = $val!='null';
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$this->_query .= $key . "=" . ($need_apostrophs ? "'" : "") . $val . ($need_apostrophs ? "'" : "") . ($i!=$n-1 ? ", " : "");
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$i++;
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}
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$this->_query .= " where ";
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$n = count($conditions);
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$i=0;
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foreach ($conditions as $key_ => $val_) {
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$this->_query .= $key_ . "='" . $val_ . "'" . ($i!=$n-1 ? " and " : ";");
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$i++;
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}
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//var_dump($this->_query);
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self::query($this->_query);
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}
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public function num_of_rows($_query) {
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$result = self::query($_query);
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return is_object($result)?$result->num_rows:0;
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}
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public function execute_query($_query) {
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return self::query($_query);
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}
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}
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?>
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