Error handling is the process of catching errors from the program and then taking appropriate action. Before proceeding for error handling you should get to know how many types of errors occurred in PHP. Notices: These are non-critical errors that occurred while executing a script – for example, accessing a...
The Include() and require() statements are used to insert codes written in other files, in the flow of execution. The main of using include and require functions to integrate one page code or content into another page. You can maintain usually some repeated functionality in the form of PHP file...
Numeric Data Types: INT (Integer): Int data type represents an integer of normal size. So simply it can used to store numeric value. There are also BIGINT, MEDIUMINT, SMALLINT and TINYINT which represent different range of integer values. DECIMAL: Decimal data type represents numbers with specific floating values. Maximum permitted...
Difference Between while and do…while Loop: With a while loop, the condition to be evaluated is tested at the beginning of each loop statement, so if the conditional expression evaluates to false, the loop will never be executed. With a do-while loop, on the other hand, the loop will always...
If –else statements: if…else statement – executes set of codes if a condition is true and another code if the condition is false Within a statement, if a certain condition is true, then something happens. Otherwise, something else happens. We can continue adding else statements as many times as we...
We already learned about variables, but there are some Readymade or predefined keywords in PHP that can be used without you having to create them first. Predefined or Superglobals variables are used to provide information from and about the web server, the web browser, and the user. There are several...
When working in any programming language, dealing with dates and time is a simple task. That is, until time zones have to be supported. PHP’s time () function gives you all the information that you need about the current date and time. It requires no arguments but returns an numeric...
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