(PECL runkit >= 0.7.0) Dynamically changes the code of the given method

(PECL runkit >= 0.7.0) Check the PHP syntax of the specified php code

(PECL runkit >= 0.7.0) Change a function's name

(PECL runkit >= 0.7.0) Redefine an already defined constant

(PECL runkit >= 0.7.0) Runkit Anti-Sandbox Class

(PECL runkit >= 0.7.0) Convert a base class to an inherited class, add ancestral methods when appropriate

(PECL runkit >= 0.7.0) Dynamically removes the given method

(PECL runkit >= 0.8.0) Determines if the current functions return value will be used

(PECL runkit >= 0.7.0) Similar to define(), but allows defining in class definitions as well

(PECL runkit >= 0.7.0) Replace a function definition with a new implementation