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Retrieving Values out of an Array in PHP
How To Retrieve Values out of an Array in PHP? You can retrieve values out of arrays using the array element expression $array[$key]. Here is a PHP example script: &lt;?php $languages = array(); $languages["Zero"] = "PHP"; $languages["One"] = "Perl"; $languages["Two"] = "Java"; print("Array with...
2016-10-15, 287👍, 0💬

Testing Area
What is test testing area for? The testing area is provided to allow visitors to post testing comments.
2017-12-05, 286👍, 1💬

💬 2017-12-05 Tester: This is a test :-)

HTML 'input' Tag/Element
What Is an "input" Tag/Element? An "input" element is an inline element that can used inside a "form" element to define an input field. Here are basic rules about an "input" elements: An "input" element is an inline element. It can not be used directly inside a "form" element. It can only be used in...
2017-04-19, 286👍, 0💬

Configuration Settings for File Upload in PHP
What Are the File Upload Settings in Configuration File in PHP? There are several settings in the PHP configuration file related to file uploading: file_uploads = On/Off - Whether or not to allow HTTP file uploads. upload_tmp_dir = directory - The temporary directory used for storing files when doin...
2016-10-14, 286👍, 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...
2016-10-13, 286👍, 0💬

JSON-parse-Transformed.html - JSON.parse() Value Transformed
How to write a reviver function to transform values while the JSON.parse() function is parsing the JSON text string? Below is a good example on using a reviver function with the JSON.parse() call to transform parsed JSON element values: &lt;!-- JSON-parse-Transformed.html Copyright (c) FYIcenter...
2017-09-08, 285👍, 0💬

References to JSON Types Defined Externally
How to reference a JSON type that is defined externally in another JSON Schema? If a JSON type is defined externally in another JSON schema, you can reference it using its absolute address. For example, the following JSON schema has two external references. One refers to a JSON Type defined in a loc...
2017-08-25, 284👍, 0💬

Broswers Supporting Multiple HTML Forms
Do Broswers Support Multiple Forms? XHTML 1.0 does allow you to create multiple forms in a single XHTML document. Most browsers will display and handle multiple forms properly. If click a submit button in one form, browsers will submit input data only for that one form. Input data from other forms w...
2017-04-01, 284👍, 0💬

Deleting Existing Rows in PHP
How To Delete Existing Rows in a Table in PHP? If you want to remove a row from a table, you can use the DELETE statement with a WHERE clause to identify the row. The following sample script deletes one row: &lt;?php include "mysql_connection.php"; $sql = "DELETE FROM fyi_links WHERE id = 1102";...
2016-10-19, 284👍, 0💬

Converting Leading Characters to Upper Case in PHP
How To Convert Leading Characters to Upper Case? If you are processing an article, you may want to capitalize the first character of a sentence by using the ucfirst() function. You may also want to capitalize the first character of every words for the article title by using the ucwords() function. H...
2016-10-13, 283👍, 0💬

Turning on the Session Support in PHP
How To Turn on the Session Support in PHP? 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. Turning on session support manually in each page sc...
2016-10-29, 282👍, 0💬

Introduction of HTML Element Content Syntax
Where to find tutorials of introduction to HTML element content syntax and basics rules? Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team in introduction to HTML element content syntax and basics rules. Clear answers are provided with tutorial exer...
2017-07-30, 281👍, 0💬

HTML Author 'meta' Tag/Element
What Is the HTML Author "meta" Tag/Element? The author "meta" element is a special "meta" element that provides information about the author of the HTML document. The author "meta" element must include the "name" attribute as, name="author". Here is an example: &lt;meta name="author" content="FY...
2017-06-23, 281👍, 0💬

Values Submitted in HTML Radio Button Fields
What Are the Values Submitted on Radio Button Fields? A "radio" button input field does not allow viewers to enter any input values directly. If a form is submitted, "radio" button input fields will be submitted with values based on the following rules: If a "radio" button is not pushed, no value wi...
2017-04-15, 280👍, 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, 280👍, 0💬

HTML Drop Down List 'option' Tag/Element
What Is an "option" Tag/Element? A "option" element is an inline element that you can use to define one option of a dropdown input field in a form. Here are basic rules about a "option" element: "option" elements are inline elements. "option" elements can only be used as sub-elements of "select" ele...
2017-04-01, 279👍, 0💬

'type' - JSON Schema Validation Keyword
How to use the "type" JSON Schema validation keyword to validate JSON instances? "type" is a generic JSON Schema validation keyword that always applied to the JSON instance. When "type" is specified, the JSON instance must match one of the given JSON types: "null", "boolean", "object", "array", "num...
2017-08-25, 278👍, 0💬

Technical Specifications for File Upload in PHP
How To Get the Technical Specifications for File Upload in PHP? File upload technical specifications is provided in "Form-based File Upload in HTML - RFC 1867". You can get a copy from http://www.ietf.org/rfc/rfc186 7.txt.  ⇒Uploading Files to Web Servers in PHP ⇒⇒PHP Tutorials
2016-10-14, 278👍, 0💬

HTML Input Field 'label' Tag/Element
What Is a "label" Tag/Element? A "label" element is an inline element that you can use to define a label for a form input field. Here are basic rules about a "label" element: "label" elements are inline elements. "label" elements can only be used as sub-elements of "form" elements. A "label" element...
2017-04-01, 276👍, 0💬

HTML 'map' Tag/Element
What Is a "map" Tag/Element? A "map" element is special inline element that you to define map entries to be used by image maps. Here are some basic rules on "map" elements: "map" elements are inline elements. "map" elements can not have text contents. "map" elements should have "area" elements as su...
2017-03-22, 275👍, 0💬

What Is Visual Studio Command Prompt
What is Visual Studio Command Prompt? Visual Studio Command Prompt is command line window with all required environment variables defined to run Visual Studio command line tools. Visual Studio command line tools includes: cl (the compiler) - To compile and link source code files into apps, libraries...
2017-08-21, 274👍, 0💬

Floating an Image to the Right Side in HTML
How To Float an Image to the Right Side? If you want to float an image to the right side of the paragraph instead of inline within a text line, you have to use the CSS property "float" to do this. The "float" property takes two values: "float: left" - Specifies that the image to be floated to the le...
2017-03-27, 274👍, 0💬

Multiple JSON Schema Validation Keywords
How multiple Validation Keywords work in JSON Schema? Multiple Validation Keywords work in JSON Schema with the "AND" logic. The order of validation keywords is not important. In other words, all of them are applied individually to the JSON instance based their specified conditions. For example, the...
2017-08-25, 273👍, 0💬

The 'checked' Attribute of some HTML Elements
What Is Wrong with My "checked" Attribute Values? Attribute "checked" is an optional attribute for HTML element "input". In XHTML specification, attribute "checked" has only one predefined value: "checked". However, in HTML specification, attribute "checked" requires no value. If you are converting ...
2017-07-30, 273👍, 0💬

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