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 …
How can we remove duplicate value from an array in php?
PHP | Remove duplicate value from an array Duplicate value can remove from an array by using the array_unique function. If two or more array values are the same, the first appearance will be kept …
What are superglobal/global variables ?
PHP | What are superglobal/global variables? Superglobal is out of scope limitation. These variables can be accessed from any function, class, or file without doing anything special such as declaring any global variable, etc. These …
How to find the length of a string in PHP?
PHP | Length of a string There is a string function called strlen() which is used to find the length of a string. It accepts a string that returns the length of the given string. …
What is difference between require() and require_once() ?
PHP | require() and require_once() Both require() and require_once() is use to include a file but the difference is required_once() function checks if the file already included or not where require() function does not check. …
What are scopes of variable in php?
PHP | What are the scopes of variables in PHP? Scopes define the visibility of a variable. In PHP, variables can be declared anywhere in the script. The scope of a variable is the part …
Unset function in PHP
PHP | unset() function The function unset() is an inbuilt function in in php which is use to delete variable. unset($var) or void unset ( mixed $var [, mixed $... ] ) Note: we can …
Automatically change the html element size using css.
CSS | Fluid typography Changing size of text, image, div or any html element automatically without using any jquery or media queries. It is a fluid type technique that doesn't require any JavaScript. Using viewport …
What type of inheritance supported by php?
PHP | Inheritance PHP mainly supports two types of inheritance: Single inheritance Multilevel inheritance
Compare timestamp with date only
SQL | Compare timestamp with date only Timestamp holds Date and Time both with 19 characters. To filter table record with the only date parameter can be achieved by SQL DATE() function. Consider the Employee table …
How we can increase default timeout of session ?
PHP | Increase default session timeout The "session.gc_maxlifetime" is use to modify the default timout of session. server should keep session data for AT LEAST 1 hour by using the below code. It increase session …
How can we increase the execution time of a PHP script?
PHP | max_execution_time directive in php.ini file By changing the value of max_execution_time in the php.ini file max_execution_time = 30; // in second By default, the maximum execution time for PHP scripts is set to …
Ternary Operator in Python
Python | Ternary Operator python uses an if-else conditional statement in a single line to represent the Ternary Operator. [true] if [expression] else [false] Let's see an example of Ternary Operator a, b = …
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) …
How to refresh a page with jquery?
Jquery | Location reload() Method | Refresh a page The Location.reload() method reloads the current URL. Syntax location.reload(forceGet) The Location.reload() method reloads the current URL. By default, the value of forceGet is false which …