console

Output a string to error_log.

console_​local

Output a string to local error_log.

delvar

Delete a variable.

dump

Dump all variables.

error

Generate an error and stop execution.

existc

Check if a class exist

existf

Check if a function exist

existm

Check if a method exist in a class

existu

Check if a user function exist

exit

Set return status code and stop.

finish

Finish execution.

listf

Return an array of all system functions

listm

Return an array of all method currently defined.

listu

Return an array of all user functions

pool

Push an existing pool or create a new one

ref

Return the value of a variable

replace

Replace current execution file.

set_​filename

Set current filename to process.

sleep

Sleep for a while

stop

Stop execution.