PHP – array_unique() Function
The PHP array_unique() function removes duplicate values (the first appearance will be kept) from an array.
PHP – array_unshift() Function
The PHP array_unshift() function inserts new elements to the beginning of an array. Numeric keys will start at 0. String keys will remain the same.
PHP – array_walk() Function
The PHP array_walk() function runs each array element in a user-defined function with the array’s keys and values as parameters in the function.
PHP – array_values() Function
The PHP array_values() function returns an array containing all the values of an array.
PHP – array_walk_recursive() Function
The PHP array_walk_recursive() function runs each array element in a user-defined function with the array’s keys and values as parameters in the function.
PHP – arsort() Function
The PHP arsort() function sorts an associative array in descending order, according to the value.
PHP – as Keyword
The PHP as keyword is used by the foreach loop to establish which variables contain the key and value of an element.
PHP – asort() Function
The PHP asort() function sorts an associative array in ascending order, according to the value.
PHP – atan() Function
The PHP atan() function returns the arc tangent of arg as a numeric value between -Pi/2 and Pi/2 radians.
PHP – atan2() Function
The PHP atan2() function returns the arc tangent of y/x, in radians, where x and y are the coordinates of a point (x,y).
PHP – base_convert() Function
The PHP base_convert() function converts a number from one number base to another.
PHP – break Keyword
The PHP break keyword is used to break out of for loops, foreach loops, while loops, do… while loops, and switch conditions.
PHP – cal_days_in_month() Function
The PHP cal_days_in_month() function returns the number of days in a month for a specified year and calendar.
PHP – cal_from_jd() Function
The PHP cal_from_jd() function converts a Julian Day Count into a date of a specified calendar.
PHP – cal_info() Function
The PHP cal_info() function returns information about a specified calendar, or all calendars If the calendar parameter is omitted.