Posts Tagged with 'PHP'
What will be the output of the following statements and why?
PHP | Output of the following statements var_dump(0123 == 123); var_dump('0123' == 123); var_dump('0123' === 123 var_dump(0123 == 123) This will output bool(false) because the leading 0 in 0123 tells the PHP interpreter to treat the …
What will be the output of $a and $b once code bellow is executed?
PHP | output of $a and $b once this code $a = '1'; $b = &$a; $b = "2$b" executed; Both $a and $b will output a string "21". Because the statement $b = &$a; sets …
Get full url in php
PHP | Get URL with Parameter To get the full URL of a current page with GET parameters, we use the $_SERVER global variable. We need the current URL to perform different types of works. For …
How to use php array with sql IN operator?
SQL | IN operator with PHP Array In this article we will use PHP Array with SQL IN operator. SQL IN operator allows us to specify multiple values in where clause. So in this article …
How will you check if a file exists or not using PHP?
PHP | file_exists( ) Function The file's existence can be confirmed using the file_exist() function which takes the file name as an argument. file_exist("abc.jpg") The file_exists() function is an inbuilt function in PHP that …
How can you tell if a number is even or odd without using any condition or loop?
PHP | check whether a number is even or odd A trick to check whether a number is even or odd without using any condition or loop. <?php $arr=array("0"=>"Even","1"=>"Odd"); $check=13; echo "Your number is: ".$arr[$check%2]; …
What is the difference between a session and cookies in PHP?
Session V/S Cookies A cookie is an array of data stored by the browser on the client location and sent to the server with every request. It stores a limited amount of data about 4kb(i.e.: 4096 …
Write a example code showing the nested ternary conditional operator in PHP?
PHP | Nested ternary conditional operator An example code showing the nested ternary conditional operator in PHP. <?php $background_color = ($num == 0 ? 'blue' : ($num > 0 ? 'green' : 'red')); ?> Here …
Convert Object To Array in PHP
PHP | Convert Object To Array Converting an object to an array is a small thing that can be achieved by a single line of code. For this purpose, we need to use typecasting. Typecasting …
Converting array of objects to array in php
PHP | Converting array of objects to array Array of objects look like this: Array ( [0] => stdClass Object ( [id] => 1 [name] => Ram [roll] => 12 ) [1] => stdClass Object ( …
Sort an array of arrays by date in PHP
PHP | Sort an array of arrays by date in PHP Here a situation in which we have to sort an array of the array by date. An array of arrays is a multidimensional array in …
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. …
How will you concatenate two strings in PHP?
PHP | Combine two strings There are several ways to concatenate two strings in PHP. Use the concatenation operator [.] and [.=] There are two string operators that are used for concatenation. [.]: Concatenation operator …
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 is access specifiers in php?
PHP | Access specifiers An access specifier is a code element that is used to determine which part of the program is allowed to access a particular variable or other information. There are three …