PHP provides two functions, extract ( ) and compact ( ), that convert between arrays and variables. Both compact () and extract () are Array functions of PHP compact (): The compact () function is ...

Converts a multidimensional array to a single depth "dot" notation array, optionally prepending a string to each array key. The key values will never be an array, even if empty. Empty arrays will be ...

PHP array utility functions. This is a set of utility functions for array alteration and handling. They all follow the same naming conventions as the default methods in the form of array_*.

You can utilize the string functions available in PHP to find instances of "field_" in your array. Here is something I whipped up to test this in action.

Unfortunately, the imagettfbbox and imagettftext functions were not supported on this server. However, I was successful in testing this functionality on my local Windows 2000 server with PHP v4.3 ...