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Understanding and Managing Cookies in PHP
Where to find tutorials on how to manage Cookies in PHP? A collection of tutorials to answer many frequently asked questions how to manage Cookies in PHP. Clear explanations and tutorial exercises are provided on setting and receiving cookies, creating and removing persistent cookies, specifying dom... 2016-11-05, ∼3380🔥, 0💬

Viewing the Content of a Cookie File in PHP
How to View the Content of a Cookie File in PHP? Cookie files are normal text files. You can view them with any text editor. Follow the steps below to see what is in a cookie file created by your own PHP script. Copy the following sample script, setting_persistent_cookies.php ,to your Web server: &a... 2016-10-30, ∼3371🔥, 0💬

Converting Numbers to Strings in PHP
How To Convert Numbers to Strings? 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("Price = $" . 99.99 . "\n"); print(1 . " + " . 2 . " = " . 1+2 . "\n... 2016-10-13, ∼3367🔥, 0💬

Creating a Database Table to Store Files in PHP
How To Create a Table To Store Files in PHP? 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 used to store uploaded files: &lt;?php $co... 2016-10-14, ∼3358🔥, 0💬

Joining Multiple Strings in PHP
How To Join Multiple Strings into a Single String? 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(): &lt;?php $date = array('01', '01', '2006'); $keys =... 2016-10-13, ∼3352🔥, 0💬

Installing PHP for Windows
How To Download and Install PHP for Windows? The best way to download and install PHP on Windows systems is to: Go to http://www.php.net, which is the official Web site for PHP. Download PHP binary version for Windows in ZIP format. Unzip the downloaded file into a directory. You are done. No need t... 2016-10-13, ∼3351🔥, 0💬

Special Characters in Double-Quoted Strings in PHP
What Are the Special Characters You Need to Escape in Double-Quoted Stings? There are two special characters you need to escape in a double-quote string: the double quote (") and the back slash (\). Here is a PHP script example of double-quoted strings: &lt;?php echo "Hello world!"; echo "Tom sa... 2016-10-13, ∼3349🔥, 0💬

Running a PHP Script
How To Run a PHP Script? A standard alone PHP script can be executed directly with the PHP Command Line Interface (CLI). Write the following script in a file called hello.php: &lt;?php echo "Hello world!"; ?&gt; This script can be executed by CLI interface like this: \php\php hello.php You s... 2016-10-13, ∼3348🔥, 0💬

Sorting an Array by Values in PHP
How To Sort an Array by Values in PHP? Sorting an array by values is doable by using the sort() function. It will re-order all pairs of keys and values based on the alphanumeric order of the values. Then it will replace all keys with integer keys sequentially starting with 0. So using sort() on arra... 2017-01-21, ∼3337🔥, 0💬

Merging Two Arrays into a Single Array in PHP
How To Merge Values of Two Arrays into a Single Array in PHP? You can use the array_merge() function to merge two arrays into a single array. array_merge() appends all pairs of keys and values of the second array to the end of the first array. Here is a PHP script on how to use array_merge(): &l... 2017-01-11, ∼3332🔥, 0💬

PHP Built-in Functions for Strings
Where to find tutorials and answers to frequently asked questions for PHP Built-in Functions for Strings? A collection of frequently asked questions on manipulating strings in PHP. Clear answers are provided with tutorial exercises on string functions including strlen, trim, substr, chop, strpos, st... 2016-10-13, ∼3332🔥, 0💬

Retrieving Submitted Form Data in PHP
How To Retrieve the Submitted Form Data in PHP? The best way to retrieve the form data submitted by your visitor is to use the $_REQUEST array. The keys in this array will be the field names defined in form. The values in this array will be the values entered by your visitor in the input fields. The... 2016-11-15, ∼3314🔥, 0💬

Passing Arrays by Values to Functions in PHP
How Arrays Are Passed Through Arguments? in PHP? Like a normal variable, an array is passed through an argument by value, not by reference. That means when an array is passed as an argument, a copy of the array will be passed into the function. Modifying that copy inside the function will not impact... 2016-12-18, ∼3310🔥, 0💬

Replacing a Substring in PHP
How To Replace a Substring in a Given String? If you know the position of a substring in a given string, you can replace that substring by another string by using the substr_replace() function. Here is a PHP script on how to use substr_replace(): &lt;?php $string = "Warning: System will shutdown... 2016-10-13, ∼3280🔥, 0💬

Finding a Substring in PHP
How to Find a Substring from a Given String? To find a substring in a given string, you can use the strpos() function. If you call strpos($haystack, $needle), it will try to find the position of the first occurrence of the $needle string in the $haystack string. If found, it will return a non-negati... 2016-10-13, ∼3270🔥, 0💬

Cookie Management on Firefox in PHP
How Does Firefox Manage Cookies in PHP? 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 Firefox: Run Firefox Go to Tools/Options Click ... 2016-10-30, ∼3265🔥, 0💬

Testing If a Variable Is an Array in PHP
How To Test If a Variable Is an Array in PHP? Testing if a variable is an array is easy. Just use the is_array() function. Here is a PHP script on how to use is_array(): &lt;?php $var = array(0,0,7); print("Test 1: ". is_array($var)."\n"); $var = array(); print("Test 2: ". is_array($var)."\n"); ... 2016-10-15, ∼3263🔥, 0💬

Splitting a String into an Array in PHP
How To Split a String into an Array of Substring in PHP? There are two functions you can use to split a string into an Array of Substring: explode(substring, string) - Splitting a string based on a substring. Faster than split(). split(pattern, string) - Splitting a string based on a regular express... 2016-12-28, ∼3249🔥, 0💬

Options to Transfer Session IDs in PHP
What Are Options to Transfer Session IDs in PHP? Once a new session is created, its session ID must be transferred to the client browser and included in the next client request, so that the PHP engine can find the same session created by the same visitor. The PHP engine has two options to transfer t... 2016-10-26, ∼3245🔥, 0💬

Reformatting a Paragraph of Text in PHP
How To Reformat a Paragraph of Text? You can wordwrap() reformat a paragraph of text by wrapping lines with a fixed length. Here is a PHP script on how to use wordwrap(): &lt;?php $string = "TRADING ON MARGIN POSES ADDITIONAL RISKS AND IS NOT SUITABLE FOR ALL INVESTORS. A COMPLETE LIST OF THE RI... 2024-02-27, ∼3242🔥, 5💬

Counting the Number of Values in an Array in PHP
How To Get the Total Number of Values in an Array in PHP? 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)."\n"); $array = array(); print_r("Size 2: ".c... 2017-01-29, ∼3242🔥, 0💬

Viewing Cookie Header Lines in PHP
How To View Cookie Header Lines in PHP? If you are interested to see the cookie header lines, or you are having trouble with your cookies and need to see the cookies to help debugging, you can run your script with PHP CGI interface in a command line window. The following tutorial exercise shows you ... 2016-11-02, ∼3240🔥, 0💬

Passing Arrays to Function in PHP
Can You Pass an Array into a Function? in PHP? 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) { $sum = array_sum($array); $count = count($array); retur... 2023-04-06, ∼3231🔥, 1💬

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Including Variables in Double-Quoted Strings in PHP
How To Include Variables in Double-Quoted Strings? Variables included in double-quoted strings will be interpolated. Their values will be concatenated into the enclosing strings. For example, two statements in the following PHP script will print out the same string: &lt;?php $variable = "and"; e... 2016-10-13, ∼3231🔥, 0💬

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Blockchain Container EPUB General HTML JSON Microsoft Node.js PHP Python RSS Tools Visual Studio Web