if($isOk){ echo ' 指定的表存在'; }else{ echo ' 指定的表不存在'; } function tableIsExists($tableName, $dbName, $host, $usrName, $pwd){ $IsExists = false; $conn = mysql_connect($host, $usrName, $pwd); $result = mysql_list_tables($dbName); for ($i = 0; $i < mysql_nu...
check_if_table_exists() This assert was triggered when the server tried to load plugins while running in embedded server mode. In embedded server mode, check_if_table_exists() was used to check if mysql.plugin existed so that ER_NO_SUCH_TABLE could be silently ignored. The problem was ...
Check if table exists:if ($db->tableExists ('users')) echo "hooray";mysqli_real_escape_string() wrapper:$escaped = $db->escape ("' and 1=1");Transaction helpersPlease keep in mind that transactions are working on innoDB tables. Rollback transaction if insert fails:...
* @return void*/if( ! function_exists('is_really_writable')) { function is_really_writable($file){//If we're on a Unix server with safe_mode off we call is_writableif(DIRECTORY_SEPARATOR == "/"; AND @ini_get("safe_mode") ==FALSE){returnis_writable($file); }//For windows se...
if (isset($_POST[“submit”])) { $check = getimagesize($_FILES[“image”][“tmp_name”]); if ($check !== false) { echo “文件是一个有效的图片 –” . $check[“mime”] . “.”; $uploadOk = 1; } else { echo “文件不是一个有效的图片.”; ...
= $value['md5']) { // 筛选数据库更新脚本 if (preg_match('/([\w]+)-([\w\.]+)-update\.sql/i', $file, $matches)) { if ($matches[1] != 'mysql' || $matches[2] != '1.0.0') { continue; } } if (file_exists($file)) { $files[$key]['type'] = '<span style="...
<?php class A { public $s = ''; public function __wakeup () { system($this->s); } } $m = mysqli_init(); mysqli_options($m, MYSQLI_OPT_LOCAL_INFILE, true); $s = mysqli_real_connect($m, 'localhost', 'root', 'root', 'testtable', 3306); $p = mysqli_query($m, ...
php include "connect.php"; $sno=$_GET['sno']; $sql="select*from`stud_info`wheresno='$sno'"; $result=mysqli_query($link,$sql);$num=mysqli_affected_rows($link); $row=mysqli_fetch_array($result); if($num>0){ $sname=$row['sname']; $ssex=$row['ssex']; $birth=$row['...
$default : null;}} else {$filters = explode(',', $filters);}} elseif (is_int($filters)) {$filters = array($filters);}if (is_array($filters)) {foreach ($filters as $filter) {if (function_exists($filter)) {$data = is_array($data) ? array_map_recursive($filter, $data) :...
You know how to check for a false value, though, so you can add this code to handle problems: <?php // All your existing database connection code $result = mysql_query("SHOW TABLES;"); if ($result === false) { die("<p>Error in listing tables: " . mysql_error() . "</p>...