function

existf . utils . sncode

VERSIONlatest Check if a function exist

EXISTF

NAME

existf - Verify if a system function exist.

SYNOPSIS

existf(string);

DESCRIPTION

This function is used to check if a system function exist including all external modules currently loaded.

EXAMPLES

​x
 
<strong>if</strong> existf("curl") <strong>then</strong>
...
<strong>endif</strong>
​

AUTHOR

Written by Pierre Laplante and Caroline Laplante, <laplante@sednove.com>

Other functions in Utils

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

 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.

 listc

Return an array of all class currently defined.
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.