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--- uphp:functions:exec [2017/02/21 09:59]
jeff created
+++ uphp:functions:exec [2021/09/13 05:57] (current)
@@ Line 1: / Line 1: @@
 ======exec======
 <badge>WMPRO, WMMINI FW >= 1.0</badge> <badge>WMMEGA FW >= 2.0</badge>
@@ Line 5: / Line 6: @@
 ====Description====
-<well size="sm"><html><span style="font-size:125%;"></html>[[exec]]
-<html>(
+<well size="sm"><html>
-<span style="color:green;">string
+<span style="font-size:125%">exec (
-<span style="color:blue;">$script_name
+<span style="color:green">string
-<span style="color:black;">[,
+<span style="color:blue">$script
-<span style="color:green;">int
+<span style="color:black">[,
-<span style="color:blue;">$delay_ms
+<span style="color:green">int
-<span style="color:black;">] )
+<span style="color:blue">$delay
+<span style="color:black">] )
 </html></well>
 ====Parameters====
-<html><span style="color:blue;"><b>script_name</b><span style="color:black;"></html>:  Path and filename of script to execute
-<html><span style="color:blue;"><b>delay_ms</b><span style="color:black;"></html>:  Optional delay in milliseconds before script is executed
+<html><b><span style="color:blue">$script<span style="color:black"></b></html>:  Path and filename of script to execute
+<html><b><span style="color:blue">$delay<span style="color:black"></b></html>:  Optional delay in milliseconds before script is started
+====Return Values====
-====Return Value====
 None
 ====Example====
-<code php><?
-exec("/scripts/ip.cgi",1000); //run the script in 1 second from now
-?></code>
-====See Also====
+<code php>
-[[uphp:statements:function]] - Define a function
+<?
+  exec("/scripts/ip.cgi",1000); // run the external script in 1 second from now
+  // ...
+  // (if there are any further commands here they will be executed immediately without delay)
+  // ...
+?>
+</code>
+====Also See====
+[[software:os:config:uphp.ini#max_concurrent_scripts]] - Operating System configuration, uphp.ini: Limit the number of scripts that can run at the same time
-[[uphp:statements:return]] - Return program control to the calling module
+[[include()]] - Include a file within the current script at the current location
-====Additional Information====
+[[process_list()]] - Return an <html><b><span style="color:green">array<span style="color:black"></b></html> of the currently running scripts
-User defined functions can take many different forms, and it is not necessary to use [[exec()]] to execute a function unless a direct return value is needed.
-If used within a function, the [[uphp:statements:return]] statement immediately ends execution of the function, and returns its argument as the value of the function call.

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