Posts Tagged with 'PHP'
What is the difference between explode() and implode() function?
PHP | implode() and explode() function implode() function is use to convert an array into a string where as explode() function is used to convert an string into an array implode() The implode() function …
How we can remove html tags from string?
PHP | Remove html tags from a string The strip_tags() function is use to remove any HTML, XML, and PHP tags from a string. <?php echo strip_tags("Hello <b><i>world!</i></b>","<b>"); // Output will be Hello world! …
How we can find last insert id in table?
MySQL | Find last insert id in the table By using the MySQL function mysqli_insert_id() we can retrieve the last inserted id in the database table. <?php $con = mysqli_connect("localhost","user_name","user_password","db_name"); if (mysqli_connect_errno()) { echo …
How to upload file in PHP?
PHP | Upload File By using move_uploaded_file() function we can upload file in PHP.The move_uploaded_file() function moves an uploaded file to a new location. This function returns TRUE on success or FALSE on failure. move_uploaded_file(file,newloc) …
What is recursion in PHP?
PHP | Recursion PHP also supports recursive function call like C/C++. In such a case, a function calls itself within the function. Note: Recursion must be incorporated carefully since it can lead to an …
What is use of htmlentities function in PHP?
PHP | htmlentities() The htmlentities() function is used to convert all applicable characters to HTML entities. <?php $str = '<a href="http://www.studyzone4u.com">Let's GO</a>'; echo htmlentities($str); // output will be (source code) <a href=" http://www.studyzone4u.com ">Let's …
How to find current date and time in PHP?
PHP | date() function By using the PHP date() function we can find the current date and time. <?php echo date(“d-m-Y”); //This will print today date. echo date (“d-m-Y h:i:s”) // This will print today’s date …
Why we use isset in PHP?
PHP | isset() The isset () function is used to check whether a variable is set or not. It returns true if a variable is set otherwise it returns false. <?php $var = "StudyZone4U.com"; …
How to stop execution of PHP script ?
PHP | Stop the execution of php script | exit() funtion By using exit() function we can stop the execution of php script. <?php $a = 10; $b = 20; $c = $a+$b; exit(); …
How to redirect a page in PHP?
PHP | Redirect PHP header() function is used to redirect a page to another page. It supplies raw HTTP headers to the browser and redirects it to another location. The redirection script should be at …
What is :: operator and in what case we use it in php?
PHP | :: operator | scope resolution operator This operator is known as the scope resolution operator. And this operator is used to access the static members of the class. To access static members of a …
What is difference between echo and print?
PHP |What is the difference between echo and print? PHP echo and print both are used to display the output in PHP. Both can be used with or without parenthesis. The differences are small echo …
What is difference between strstr() and stristr() function ?
strstr() and stristr() strstr() and stristr() both are use to find first occurence of a string, but the differences are strstr( ) is case sensitive where as stristr( ) is case insensitive. strstr() – …
How can you enable errors in PHP ?
Enable errors in PHP There are two ways to enable error reporting in your PHP scripts: 1. You can add the following function in the the script: error_reporting(E_ALL); 2. You can add the following option in …
What is difference between == and === operator ?
PHP | What is difference between == and === operator? "==" and "===" The two operators are known as comparison operators. "==" (i.e. equal) and === (i.e. identical) both are use to check values are …