Before we start learning how to use arrays in PHP, let’s first learn what an array is in a nutshell. So let’s start. What is an array in PHP? Array is nothing but a special variable that has the ...

This article defines an array function of PHP, which is used to find the difference between two arrays. The details of function are given below : array_diff() : array_diff() is used to compare two or ...

array_key_exists() and in_array() are two most useful functions in PHP. This article demonstrate the details and differences of these function. The best way to check an index exist in array or not is ...

//Need to get the mid point of array. Use Floor because we always want to round down. $mid = floor($count/2); //If there are an even amount of elements... if (($count ...

Returns the arc cosine of arg in radians. acos() is the inverse function of cos(), which means that a==cos(acos(a)) for every value of a that is within acos()' range. ArrayFlip returns an array in ...

Curly Braces ( { and }) Used to define code blocks, enclose associative array elements, and for variable interpolation in double-quoted strings. Square Brackets ( [ and ]) Used for defining arrays and ...