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How To Specify Argument Default Values
How To Specify Argument Default Values? - PHP Script Tips - Creating Your Own Functions If you want to allow the caller to skip an argument when calling a function, you can define the argument with a default value when defining the function. Adding a default value to an argument can be done like thi... 2007-04-25, 5264👍, 0💬

How To Support Multiple Submit Buttons
How To Support Multiple Submit Buttons? - PHP Script Tips - Processing Web Forms Sometimes, you may need to give visitors multiple submit buttons on a single form to allow them to submit the form for different purposes. For example, when you show your customer a purchase order in a Web form, you may... 2007-04-22, 5262👍, 0💬

How To Convert Numbers to Strings
How To Convert Numbers to Strings? - PHP Script Tips - Understanding String Literals and Operations In a string context, PHP will automatically convert any numeric value to a string. Here is a PHP script examples: &lt;?php print(-1.3e3); print("\n"); print(strlen(-1.3e3)); print("\n"); print("Pr... 2007-04-20, 5262👍, 0💬

How Cookies Are Transported from Browsers to Servers
How Cookies Are Transported from Browsers to Servers? - PHP Script Tips - Understanding and Managing Cookies Cookies are transported from a Web browser to a Web server in the header area of the HTTP request message. Each cookie will be included in a separate "Cookie:" header line in the following fo... 2007-04-24, 5259👍, 0💬

How To Run a SQL Statement
How To Run a SQL Statement? - MySQL FAQs - PHP Connections and Query Execution You can run any types of SQL statements through the mysql_query() function. It takes the SQL statement as a string and returns different types of data depending on the SQL statement type and execution status: Returning FA... 2007-05-10, 5251👍, 0💬

How To Create a Table To Store Files
How To Create a Table To Store Files? - PHP Script Tips - Uploading Files to Web Servers If you using MySQL database and want to store files in database, you need to create BLOB columns, which can holds up to 65,535 characters. Here is a sample script that creates a table with a BLOB column to be us... 2007-04-19, 5251👍, 0💬

How To Uploaded Files to a Table
How To Uploaded Files to a Table? - PHP Script Tips - Uploading Files to Web Servers To store uploaded files to MySQL database, you can use the normal SELECT statement as shown in the modified processing_uploaded_files.php listed below: &lt;?php $con = mysql_connect("localhost", "", ""); mysql_s... 2007-04-19, 5251👍, 0💬

How To Write a String to a File without a File Handle
How To Write a String to a File without a File Handle? - PHP Script Tips - Reading and Writing Files If you have a string, want to write it to a file, and you don't want to open the file with a file handle, you can use the file_put_contents(). It opens the specified file, writes the specified string... 2007-04-23, 5248👍, 0💬

How To Quote Text Values in SQL Statements
How To Quote Text Values in SQL Statements? - PHP Script Tips - Working with MySQL Database Text values in SQL statements should be quoted with single quotes ('). If the text value contains a single quote ('), it should be protected by replacing it with two single quotes (''). In SQL language syntax... 2007-04-19, 5239👍, 0💬

How To Join Multiple Strings into a Single String
How To Join Multiple Strings into a Single String? - PHP Script Tips - PHP Built-in Functions for Strings If you multiple strings stored in an array, you can join them together into a single string with a given delimiter by using the implode() function. Here is a PHP script on how to use implode(): ... 2007-04-21, 5238👍, 0💬

How Does FireFox Manage Cookies
How Does FireFox Manage Cookies? - PHP Script Tips - Understanding and Managing Cookies FireFox browser allows you to delete old cookies, and gives you options to keep persistent cookies in cookie files until they reach their expiration time. The following tutorial shows you how to manage cookies in... 2007-04-24, 5232👍, 0💬

How To Install MySQL
How To Install MySQL? - PHP Script Tips - Working with MySQL Database MySQL is an open source database management system developed by MySQL AB, http://www.mysql.com. You can download a copy and install it on your local computer. Here is how you can do this: Go to http://dev.mysql.com/downloads /mysql... 2007-04-18, 5218👍, 0💬

How To Access a Global Variable inside a Function
How To Access a Global Variable inside a Function? - PHP Script Tips - Creating Your Own Functions By default, global variables are not accessible inside a function. However, you can make them accessible by declare them as "global" inside a function. Here is a PHP script on declaring "global" variab... 2007-04-24, 5216👍, 0💬

How To Support Multiple-Page Forms
How To Support Multiple-Page Forms? - PHP Script Tips - Processing Web Forms If you have a long form with a lots of fields, you may want to divide the fields into multiple groups and present multiple pages with one group of fields on one page. This makes the a long form more user-friendly. However, ... 2007-04-22, 5216👍, 0💬

How To Retrieve the Session ID of the Current Session
How To Retrieve the Session ID of the Current Session? - PHP Script Tips - Understanding and Using Sessions Normally, you don't need to know the session ID of the current session. But if you are interested to know the session ID created by the PHP engine, there are two ways to get it: Calling sessio... 2007-04-18, 5212👍, 0💬

How To Get the Uploaded File Information in the Receiving Script
How To Get the Uploaded File Information in the Receiving Script? - PHP Script Tips - Uploading Files to Web Servers Once the Web server received the uploaded file, it will call the PHP script specified in the form action attribute to process them. This receiving PHP script can get the uploaded file... 2007-04-19, 5208👍, 0💬

Can You Pass an Array into a Function
Can You Pass an Array into a Function? - PHP Script Tips - Creating Your Own Functions You can pass an array into a function in the same as a normal variable. No special syntax needed. Here is a PHP script on how to pass an array to a function: &lt;?php function average($array) { $sum = array_su... 2007-04-24, 5206👍, 0💬

What Is a Session ID
What Is a Session ID? - PHP Script Tips - Understanding and Using Sessions A session ID is an identification string of a session. Since there might be multiple visitors coming to your Web site at the same time, the PHP engine needs to maintain multiple sessions concurrently. Session IDs are created ... 2007-04-18, 5205👍, 0💬

What Do You Need to Connect PHP to MySQL
What Do You Need to Connect PHP to MySQL? - PHP Script Tips - Working with MySQL Database If you want to access MySQL database server in your PHP script, you need to make sure that MySQL module is installed and turned on in your PHP engine. Check the PHP configuration file, php.ini, to make sure the... 2007-04-18, 5205👍, 0💬

What Is the Scope of a Variable Defined in a Function
What Is the Scope of a Variable Defined in a Function? - PHP Script Tips - Creating Your Own Functions The scope of a local variable defined in a function is limited with that function. Once the function is ended, its local variables are also removed. So you can not access any local variable outside... 2007-04-24, 5202👍, 0💬

How To Open a File for Reading
How To Open a File for Reading? - PHP Script Tips - Reading and Writing Files If you want to open a file and read its contents piece by piece, you can use the fopen($fileName, "r") function. It opens the specified file, and returns a file handle. The second argument "r" tells PHP to open the file fo... 2007-04-22, 5199👍, 0💬

How To Send a Cookie to the Browser
How To Send a Cookie to the Browser? - PHP Script Tips - Understanding and Managing Cookies If you want to sent a cookie to the browser when it comes to request your PHP page, you can use the setcookie( ) function. Note that you should call setcookie() function before any output statements. The foll... 2007-04-25, 5196👍, 0💬

How To Turn On the Session Support
How To Turn On the Session Support? - PHP Script Tips - Understanding and Using Sessions The session support can be turned on automatically at the site level, or manually in each PHP page script: Turning on session support automatically at the site level: Set session.auto_start = 1 in php.ini. Turni... 2007-04-18, 5196👍, 0💬

How To Concatenate Two Strings Together
How To Concatenate Two Strings Together? - PHP Script Tips - Understanding String Literals and Operations You can use the string concatenation operator (.) to join two strings into one. Here is a PHP script example of string concatenation: &lt;?php echo 'Hello ' . "world!\n"; ?&gt; This scri... 2007-04-20, 5193👍, 0💬

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.NET C C++ CSS DBA General HTML Java JavaScript JSP JUnit MySQL Networking Oracle Perl Perl PHP PL/SQL RSS Software QA SQL Server Struts Unix Windows XHTML XML