PEAR is short for “PHP Extension and Application Repository” and a framework and repository for reusable PHP components. . Stig S. Bakken founded the PEAR project in 1999 to promote the re-use of code that performs common functions.The purpose of PEAR is to provide:
- A structured library of open-source code for PHP users
- A system for code distribution and package maintenance
- A standard style for code written in PHP
- PEAR’s mission is to provide reusable components, lead innovation in PHP, provide best practices for PHP development and educate developers.
- Offers a command-line interface that can be used to automatically install “packages”.
echo() and print() are language constructs in PHP, both are used to output strings. echo is marginally faster than print.
echo() can take multiple expressions whereas print cannot take multiple expressions.
Print return true or false based on success or failure whereas echo doesn’t return true or false.
A prompt box is a box which allows the user to enter input by providing a text box. Label and box will be provided to enter the text or number.
Global variables are those that are available throughout the length of the code, that is, these have no scope. The var keyword is used to declare a local variable or object. If the var keyword is omitted, a global variable is declared.
This’ keyword is used to point at the current object in the code. For instance: If the code is presently at an object created by the help of the ‘new’ keyword, then ‘this’ keyword will point to the object being created.
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‘ViewState’ is specific to a page in a session.
‘SessionState’ is specific to user specific data that can be accessed across all pages in the web application.
Yes, it’s possible to integrate (Distributed) Component Object Model components ((D)COM) in PHP scripts which is provided as a framework.
The status can be read as follows
If the CheckBox will be checked, this alert will return TRUE.