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How To Loop through an Array without Using "foreach"
How To Loop through an Array without Using "foreach"? - PHP Script Tips - PHP Built-in Functions for Arrays PHP offers the following functions to allow you loop through an array without using the "foreach" statement: reset($array) - Moves the array internal pointer to the first value of the array an... 2007-04-14, 5574👍, 0💬

What Is File Upload
What Is File Upload? - PHP Script Tips - Uploading Files to Web Servers File upload is Web page function which allows visitor to specify a file on the browser's system and submit it to the Web server. This is a very useful function for many interactive Web sites. Some examples are: Web base email sy... 2007-04-19, 5558👍, 0💬

How to Loop through an Array
How to Loop through an Array? - PHP Script Tips - Understanding PHP Arrays and Their Basic Operations The best way to loop through an array is to use the "foreach" statement. There are two forms of "foreach" statements: foreach ($array as $value) {} - This gives you only one temporary variable to ho... 2007-04-20, 5554👍, 0💬

How To Generate and Process a Form with the Same Script
How To Generate and Process a Form with the Same Script? - PHP Script Tips - Processing Web Forms In previous exercises, a Web form is generated by one script, and processed by another script. But you could write a single script to do both. You just need to remember to: Use same script name as the f... 2007-04-22, 5552👍, 0💬

How To Generate a Form
How To Generate a Form? - PHP Script Tips - Processing Web Forms Generating a form seems to be easy. You can use PHP output statements to generate the required &lt;FORM> tag and other input tags. But you should consider to organized your input fields in a table to make your form looks good on th... 2007-04-23, 5545👍, 0💬

What Is a Persistent Cookie
What Is a Persistent Cookie? - PHP Script Tips - Understanding and Managing Cookies A persistent cookie is a cookie which is stored in a cookie file permanently on the browser's computer. By default, cookies are created as temporary cookies which stored only in the browser's memory. When the browser... 2007-04-25, 5543👍, 0💬

Can You Add Values to an Array without a Key
Can You Add Values to an Array without a Key? - PHP Script Tips - Understanding PHP Arrays and Their Basic Operations Can You Add Values to an Array with a Key? The answer is yes and no. The answer is yes, because you can add values without specifying any keys. The answer is no, because PHP will add... 2007-04-20, 5534👍, 0💬

How Many Cookies Can You Set
How Many Cookies Can You Set? - PHP Script Tips - Understanding and Managing Cookies How many cookies can you set in your PHP page? The answer is depending what is the Web browser your visitor is using. Each browser has its own limit: Internet Explorere (IE): 20 Mozilla FireFox: 50 If you want to te... 2007-04-24, 5532👍, 0💬

How To Test the Session Garbage Collection Process
How To Test the Session Garbage Collection Process? - PHP Script Tips - Understanding and Using Sessions In order to test the session garbage collection process, you need to change the settings to expire session variables in 10 seconds and run the process on every request: session.gc_probability = 1... 2007-04-18, 5518👍, 0💬

How To Remove Values Saved in the Current Session
How To Remove Values Saved in the Current Session? - PHP Script Tips - Understanding and Using Sessions If you want to remove values saved in the current session, you should use the unset() function on those saved values in $_SESSION, or use array() to empty $_SESSION: unset($_SESSION['MyColor']) - ... 2007-04-17, 5512👍, 0💬

How To Copy Array Values to a List of Variables
How To Copy Array Values to a List of Variables? - PHP Script Tips - Understanding PHP Arrays and Their Basic Operations If you want copy all values of an array to a list of variable, you can use the list() construct on the left side of an assignment operator. list() will only take values with integ... 2007-04-20, 5504👍, 0💬

Can You Copy an Array
Can You Copy an Array? - PHP Script Tips - Understanding PHP Arrays and Their Basic Operations You can create a new array by copying an existing array using the assignment statement. Note that the new array is not a reference to the old array. If you want a reference variable pointing to the old arr... 2007-04-20, 5504👍, 0💬

How To Specify Input Values for Radio Buttons
How To Specify Input Values for Radio Buttons? - PHP Script Tips - Processing Web Forms Radio buttons can be used in a form for two situations: As a single switch - One &lt;INPUT TYPE=RADIO ...> tag, with no input value specified. When submitted with button pushed down, you will receive a value ... 2007-04-23, 5503👍, 0💬

How To Find a Specific Value in an Array
How To Find a Specific Value in an Array? - PHP Script Tips - PHP Built-in Functions for Arrays There are two functions can be used to test if a value is defined in an array or not: array_search($value, $array) - Returns the first key of the matching value in the array, if found. Otherwise, it retur... 2007-04-20, 5502👍, 0💬

How To Access MySQL Servers through Firewalls
How To Access MySQL Servers through Firewalls? - MySQL FAQs - PHP Connections and Query Execution If your MySQL server is provided by an Internet service company, connecting to the server from your local machine will not be so easy, because there are firewalls between your local machine and your MyS... 2007-05-10, 5494👍, 0💬

How To Move Uploaded Files To Permanent Directory
How To Move Uploaded Files To Permanent Directory? - PHP Script Tips - Uploading Files to Web Servers PHP stores uploaded files in a temporary directory with temporary file names. You must move uploaded files to a permanent directory, if you want to keep them permanently. PHP offers the move_uploade... 2007-04-19, 5491👍, 0💬

How To Detect File Uploading Errors
How To Detect File Uploading Errors? - PHP Script Tips - Uploading Files to Web Servers If there was a problem for a file upload request specified by the &lt;INPUT TYPE=FILE NAME=fieldName...> tag, an error code will be available in $_FILES[$fieldName]['error']. Possible error code values are: U... 2007-04-19, 5487👍, 0💬

How To Get the Directory Name out of a File Path Name
How To Get the Directory Name out of a File Path Name? - PHP Script Tips - Working with Directoris and Files If you have the full path name of a file, and want to get the directory name portion of the path name, you can use the dirname() function. It breaks the full path name at the last directory p... 2007-04-23, 5481👍, 0💬

What Is the Best Way to Test the strpos() Return Value
What Is the Best Way to Test the strpos() Return Value? - PHP Script Tips - PHP Built-in Functions for Strings Because strpos() could two types of values, Integer and Boolean, you need to be careful about testing the return value. The best way is to use the "Identical(===)" operator. Do not use the ... 2007-04-21, 5481👍, 0💬

How To Remove Leading and Trailing Spaces from User Input Values
How To Remove Leading and Trailing Spaces from User Input Values? - PHP Script Tips - PHP Built-in Functions for Strings If you are taking input values from users with a Web form, users may enter extra spaces at the beginning and/or the end of the input values. You should always use the trim() funct... 2007-04-22, 5474👍, 0💬

How To Get All the Keys Out of an Array
How To Get All the Keys Out of an Array? - PHP Script Tips - PHP Built-in Functions for Arrays Function array_keys() returns a new array that contains all the keys of a given array. Here is a PHP script on how to use array_keys(): &lt;?php $mixed = array(); $mixed["Zero"] = "PHP"; $mixed[1] = "P... 2007-04-21, 5467👍, 0💬

How To Read a Text File into an Array
How To Read a Text File into an Array? - PHP Script Tips - Reading and Writing Files If you have a text file with multiple lines, and you want to read those lines into an array, you can use the file() function. It opens the specified file, reads all the lines, puts each line as a value in an array, ... 2007-04-22, 5463👍, 0💬

Where Are the Session Values Stored
Where Are the Session Values Stored? - PHP Script Tips - Understanding and Using Sessions When a value is saved into the current session by one PHP page, the PHP engine must stored this value somewhere on Web server, so that the PHP engine can retrieve it back when same visitor comes back to request... 2007-04-18, 5462👍, 0💬

How To Get the Total Number of Values in an Array
How To Get the Total Number of Values in an Array? - PHP Script Tips - PHP Built-in Functions for Arrays You can get the total number of values in an array by using the count() function. Here is a PHP example script: &lt;?php $array = array("PHP", "Perl", "Java"); print_r("Size 1: ".count($array... 2007-04-20, 5457👍, 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