148 lines
3.0 KiB
PHP
148 lines
3.0 KiB
PHP
<?php
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if(!function_exists("get_db_connect")) {
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function get_db_connect() {
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global $config;
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$conn = new PDO(
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sprintf(
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"mysql:host=%s;dbname=%s;charset=utf8",
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$config['db_host'],
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$config['db_name']
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),
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$config['db_username'],
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$config['db_password'],
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array(PDO::MYSQL_ATTR_INIT_COMMAND => "SET NAMES utf8")
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);
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$conn->query("SET NAMES 'utf8'");
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return $conn;
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}
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}
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if(!function_exists("exec_stmt_query")) {
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function exec_stmt_query($sql, $bind=array()) {
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$stmt = get_db_stmt($sql, $bind);
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$stmt->execute();
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return $stmt;
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}
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}
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if(!function_exists("get_dbc_object")) {
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function get_dbc_object($renew=false) {
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global $dbc;
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if($renew) {
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$dbc = get_db_connect();
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}
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return $dbc;
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}
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}
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if(!function_exists("get_db_stmt")) {
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function get_db_stmt($sql, $bind=array()) {
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$stmt = get_dbc_object()->prepare($sql);
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if(count($bind) > 0) {
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foreach($bind as $k=>$v) {
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$stmt->bindParam(':' . $k, $v, PDO::PARAM_STR);
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}
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}
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return $stmt;
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}
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}
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if(!function_exists("get_db_last_id")) {
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function get_db_last_id() {
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return get_dbc_object()->lastInsertId();
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}
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}
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if(!function_exists("exec_db_query")) {
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function exec_db_query($sql, $bind=array(), $options=array()) {
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$dbc = get_dbc_object();
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$flag = false;
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$is_insert_with_bind = false;
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$sql_terms = explode(" ", $sql);
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if($sql_terms[0] == "insert") {
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$stmt = get_db_stmt($sql);
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if(count($bind) > 0) {
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$is_insert_with_bind = true;
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}
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} else if($sql_terms[0] == "update") {
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if(count($bind) > 0) {
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foreach($bind as $k=>$v) {
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$sql = str_replace(":" . $k, "'" . addslashes($v) . "'", $sql);
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}
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}
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$stmt = get_db_stmt($sql);
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} else{
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$stmt = get_db_stmt($sql, $bind);
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}
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$validOptions = array();
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$optionAvailables = array("is_check_count", "is_commit");
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foreach($optionAvailables as $opt) {
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if(!array_key_empty($opt, $options)) {
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$validOptions[$opt] = $options[$opt];
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} else {
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$validOptions[$opt] = false;
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}
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}
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extract($validOptions);
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if($is_commit) {
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$dbc->beginTransaction();
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}
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// execute statement (insert->execute(bind) or if not, sql->bind->execute)
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$stmt_executed = $is_insert_with_bind ? @$stmt->execute($bind) : @$stmt->execute();
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if($is_check_count == true) {
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if($stmt_executed && $stmt->rowCount() > 0) {
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$flag = true;
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}
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} else {
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$flag = $stmt_executed;
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}
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if($is_commit) {
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$dbc->commit();
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}
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return $flag;
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}
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}
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if(!function_exists("exec_db_fetch_all")) {
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function exec_db_fetch_all($sql, $bind=array()) {
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$rows = array();
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$stmt = get_db_stmt($sql, $bind);
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if($stmt->execute() && $stmt->rowCount() > 0) {
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$rows = $stmt->fetchAll(PDO::FETCH_ASSOC);
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}
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return $rows;
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}
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}
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if(!function_exists("get_page_range")) {
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function get_page_range($page=1, $limit=0) {
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$append_sql = "";
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if($limit > 0) {
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$record_start = ($page - 1) * $limit;
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$record_end = $record_start + $limit - 1;
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$append_sql .= " limit $record_start, $record_end";
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}
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return $append_sql;
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}
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}
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// set global db connection variable
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$dbc = get_db_connect();
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