(No version information available, might only be in Git) This method updates an entry in the hash with a new

(PHP 5 >= 5.5.0, PHP 7) Return the values from a single column in the input array

(PHP 5 >= 5.2.0, PHP 7) Checks if variable of specified type exists

(PHP 4 >= 4.0.5, PHP 5, PHP 7) Searches the array for a given value and returns the corresponding key if

(PHP 5, PHP 7) Gets default properties public

(PHP 4 >= 4.0.5, PHP 5, PHP 7) Finds whether a variable is a scalar

(PHP 5, PHP 7) Gets extension name public string

(No version information available, might only be in Git) This method retrieves a value from the hash by its

(PHP 4, PHP 5, PHP 7) Return all the values of an array

(PHP 5 >= 5.1.0, PHP 7) Computes the difference of arrays using a callback function on the keys for comparison