Learn PHP Functions Tutorials

PHP abs() Function is used to get absolute (positive) value of numbers. A abs() function is built-in function in PHP. Syntax : abs(int $number);...

PHP floor() Function is used to get round a number down to the nearest integer for floating-point number. A floor() function is built-in function in...

PHP ceil() Function is used to get round a number up to the nearest integer for floating-point number. A ceil() function is built-in function in PHP. ...

PHP rand() Function is used to generate a random integer number. A rand() function is built-in function in PHP. Syntax : rand(); Or rand(i...

PHP count() Function is used to get the number of elements in an array. A count() function is built-in function in PHP. Syntax : count(array $ar...

PHP in_array() Function is used to check that a value exists in an array. An in_array() function is built-in function in PHP. Syntax : in_array(...

PHP ksort() Function is used to sort associative array in ascending order according to the key. An ksort() function is built-in function in ...

PHP krsort() Function is used to sort associative array in descending order according to the key. An krsort() function is built-in function in...

PHP arsort() Function is used to sort an associative array in descending order. An arsort() function is built-in function in PHP. Syntax : ...

PHP asort() Function is used to sort an associative array in ascending order. An asort() function is built-in function in PHP. Syntax : asor...

PHP rsort() Function is used to sort the elements of the array in descending order. An rsort() function is built-in function in PHP. Syntax : ...

PHP sort() Function is used to sort the elements of the array in ascending order. An sort() function is built-in function in PHP. Syntax : sort(...

PHP array_sum() Function returns the sum all values of array. An array_sum() function is built-in function in PHP. Syntax : array_sum(array $arr...

PHP array_unique() Function is used to remove duplicate values from an array. PHP array_unique() function is PHP built-in function. Syntax : arr...

PHP array_values() Function is used to get all value of array. PHP array_values() function is PHP built-in function. Syntax : array_values(array...

PHP array_key_exists() Function is used to check if given key exists in the array. If it returns true, then key exists. If it returns false, then key ...

PHP array_keys() Function is used to get keys from array. PHP array_keys() function is PHP built-in function. Syntax : array_keys(array $array, ...

PHP array_slice() Function is used to extract a slice of the array. PHP array_slice() function is PHP built-in function. Syntax : array_slice(ar...

PHP array_merge() Function is used to merge one or more arrays into one array. PHP array_merge() function is PHP built-in function. Syntax : arr...

PHP array_combine() Function is used to create an array by using one array for keys and another for its values. PHP array_combine() function is PHP bu...

PHP array_search() function is used to search the array for a given value and returns the first corresponding key if successful.  PHP array_searc...

PHP array_reverse() function is used to reverse the order of the elements in an array.  PHP array_reverse() function is PHP built-in function. ...

PHP array_replace() function replaces elements of first array with other passed array. The array_replace() function is PHP built-in function. array...

PHP array_chunk() function is used to split an array into chunks. The array_chunk() function is PHP built-in function. PHP array_chunk() function d...

PHP array_rand() Function returns one or more random key from an array. The array_rand() is a built-in function of PHP. Syntax : array_rand($arr...