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

<< < 1 2 3 4 5 6 7 8 … > >>   ∑:217  Sort:Date

Supporting Hidden Form Fields in PHP
How To Support Hidden Form Fields in PHP? Hidden fields are special fields in a form that are not shown on the Web page. But when the form is submitted, values specified in the hidden fields are also submitted to the Web server. A hidden field can be specified with the &lt;INPUT TYPE=HIDDEN ...&... 2016-11-08, ∼3794🔥, 0💬

Selecting an Existing Database in PHP
How To Select an Exiting Database in PHP? The first thing after you have created a connection object to the MySQL server is to select the database where your tables are locate, by using the mysql_select_db() function. If your MySQL server is offered by your Web hosting company, they will assign a da... 2016-10-20, ∼3778🔥, 0💬

Setting session.gc_maxlifetime Properly in PHP
How To Set session.gc_maxlifetime Properly in PHP? As you know that session.gc_maxlifetime is the session value timeout period. You should set this value based on the usage pattern of your visitors. Here are some suggestions: # Set it to 20 minutes for a normal Web site: session.gc_maxlifetime = 120... 2016-10-24, ∼3775🔥, 0💬

Quoting Date and Time Values in PHP
How To Quote Date and Time Values in SQL Statements in PHP? If you want to provide date and time values in a SQL statement, you should write them in the format of "yyyy-mm-dd hh:mm:ss", and quoted with single quotes ('). The tutorial exercise below shows you two INSERT statements. The first one uses... 2016-10-19, ∼3774🔥, 0💬

Generating Character from ASCII Value in PHP
How To Generate a Character from an ASCII Value? If you want to generate characters from ASCII values, you can use the chr() function. chr() takes the ASCII value in decimal format and returns the character represented by the ASCII value. chr() complements ord(). Here is a PHP script on how to use c... 2016-10-13, ∼3740🔥, 0💬

Including Array Elements in Double-Quoted Strings in PHP
How Many Ways to Include Array Elements in Double-Quoted Strings? There are 2 formats to include array elements in double-quoted strings: "part 1 $array[key] part 2" - This is called simple format. In this format, you can not specify the element key in quotes. "part 1 {$array['key']} part 2" - This ... 2016-10-13, ∼3737🔥, 0💬

Data Types of Array Keys in PHP
What Types of Data Can Be Used as Array Keys in PHP? Two types of data can be used as array keys: string and integer. When a string is used as a key and the string represent an integer, PHP will convert the string into a integer and use it as the key. Here is a PHP script on different types of keys:... 2017-02-03, ∼3731🔥, 0💬

Remove Trailing New Line Character in PHP
How To Remove the New Line Character from the End of a Text Line? If you are using fgets() to read a line from a text file, you may want to use the chop() function to remove the new line character from the end of the line as shown in this PHP script: &lt;?php $handle = fopen("/tmp/inputfile.txt"... 2016-10-13, ∼3700🔥, 0💬

Cookies Encoded during Transportation in PHP
How Are Cookies Encoded During Transportation in PHP? When cookies are transported from servers to browsers and from browsers back to servers, Cookies values are always encoded using the URL encoding standard to ensure that they are transported accurately. But you don't need to worry about the encod... 2016-10-29, ∼3698🔥, 0💬

Joining Keys and Values into an Array in PHP
How To Join a List of Keys with a List of Values into an Array in PHP? If you have a list keys and a list of values stored separately in two arrays, you can join them into a single array using the array_combine() function. It will make the values of the first array to be the keys of the resulting ar... 2017-01-11, ∼3677🔥, 0💬

Working with MySQL Database in PHP
Where to find tutorials on how to work with MySQL Database in PHP? A collection of tutorials to answer many frequently asked questions on how to Work with MySQL Database in PHP. Clear explanations and tutorial exercises are provided on connecting and selecting MySQL database, creating and dropping t... 2016-10-22, ∼3644🔥, 0💬

Supporting a Multiple-Page Form in PHP
How To Support Multiple-Page Forms in PHP? 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, this requires you to write good sc... 2016-11-05, ∼3641🔥, 0💬

PHP Built-in Functions for Arrays
Where to find tutorials on how to use PHP built-in functions to manage arrays? A collection of tutorials to answer many frequently asked questions on how to PHP functions to manage arrays. Clear answers are provided with tutorial exercises on searching keys and values, sorting arrays, merging two ar... 2017-01-29, ∼3626🔥, 0💬

Malicious Website Stealing Cookies in PHP
How Can Other Webmaster Steal Your Cookies in PHP? All browsers are following the security rule that your cookies are sent back only to your Web servers. They will not be sent to other Webmaster's Web server directly. However, other Webmaster may design some malicious JavaScript codes to steal cooki... 2016-10-29, ∼3591🔥, 0💬

Writing a String to a File without a File Handle in PHP
How To Write a String to a File without a File Handle in PHP? 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, closes the file, and returns the numb... 2016-11-27, ∼3580🔥, 0💬

Counting the Number of Characters in PHP
How To Count the Number of Characters in a String? You can use the "strlen()" function to count the number of characters in a string. Here is a PHP script example of strlen(): &lt;?php print(strlen('It\'s Friday!')); ?&gt; This script will print: 12     ⇒ Ways to Remove Leading and Trailing... 2016-10-13, ∼3572🔥, 0💬

Setting a Persistent Cookie in PHP
How To Set a Persistent Cookie in PHP? If you want to set a persistent cookie, you can use the setcookie() function with an extra parameter to specify its expiration time. To follow sample script sets 2 persistent cookies to be expired within 7 days: setcookie("LoginName","FYICent er");setcookie("Pr... 2016-11-04, ∼3549🔥, 0💬

Retrieving All Values from an Array in PHP
How To Get All the Values Out of an Array in PHP? Function array_values() returns a new array that contains all the values of a given array. Here is a PHP script on how to use array_values(): &lt;?php $mixed = array(); $mixed["Zero"] = "PHP"; $mixed[1] = "Perl"; $mixed["Two"] = "Java"; $mixed["3... 2017-01-21, ∼3532🔥, 0💬

Domain and Path Attributes for Cookies in PHP
What Are Domain and Path Attributes for Cookies in PHP? Cookies can also be defined with two other attributes: Domain - A cookie attribute that defines the domain name of Web servers where this cookie is valid. Web browsers holding this cookie should not sent it back to any Web server outside the sp... 2016-11-03, ∼3516🔥, 0💬

Filtering Out Empty Files in PHP
Why Do You Need to Filter Out Empty Files in PHP? When you are processing uploaded files, you need to check for empty files, because they could be resulted from a bad upload process but the PHP engine could still give no error. For example, if a user typed a bad file name in the upload field and sub... 2016-10-14, ∼3510🔥, 0💬

Randomly Retrieving Array Values in PHP
How To Randomly Retrieve a Value from an Array in PHP? If you have a list of favorite greeting messages, and want to randomly select one of them to be used in an email, you can use the array_rand() function. Here is a PHP example script: &lt;?php $array = array("Hello!", "Hi!", "Allo!", "Hallo!"... 2017-01-11, ∼3502🔥, 0💬

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, ∼3478🔥, 0💬

Single Cookie Size Limit in PHP
How Large Can a Single Cookie Be in PHP? How large can a single cookie be? The answer is depending what is the Web browser your visitor is using. Each browser has its own limit: Internet Explorer (IE): about 3904 bytes Mozilla Firefox: about 3136 bytes If you want to test this limit, copy this sampl... 2016-10-30, ∼3474🔥, 0💬

Specifying Domain and Path for a Cookie in PHP
How To Specify Domain and Path for a Cookie in PHP? If you want to specify domain and path for cookie, you can use the setcookie() function with two extra parameters. The sample PHP script below shows you how to set the domain and path attributes for temporary and persistent cookies: &lt;?php se... 2016-11-03, ∼3473🔥, 0💬

<< < 1 2 3 4 5 6 7 8 … > >>   ∑:217  Sort:Date

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