PHP – opendir() Function
The PHP opendir() function opens a directory handle.
The PHP or keyword is a logical operator. The return value will be true if any one of the statements returns true, otherwise it will return false.
The PHP parse_ini_file() function parses a configuration (ini) file and returns the settings.
The PHP pfsockopen() function opens a persistent internet or Unix domain socket connection.
The PHP php_strip_whitespace() function returns the source code of the specified file with PHP comments and whitespace removed.
The PHP popen() function opens a pipe to the program specified in the command parameter.
The PHP pos() function returns the value of the current element (every array has an internal pointer to the “current” element) in an array.
The PHP prev() function moves the internal pointer to, and outputs, the previous element in the array.
The PHP print keyword is used to output text. Unlike echo, print can only output one string at a time.
The PHP private keyword is an access modifier that marks a property or method as private.
The PHP protected keyword is an access modifier. It marks a property or method as protected.
The PHP public keyword is an access modifier, and marks a property or method as public (meaning it can be used by any code that can access the object).
The PHP range() function creates an array containing a range of elements from low to high (or high to low if low is set higher than high).