Currently, I use this call
traceVariable( $_SERVER['PHP_SELF'], '$_SERVER["PHP_SELF"]' );
to pass a variable by reference to 'traceVariable' and by value a
description string.
Since the description string is very likely to be identical to the
source code (string) of the first parameter, I'd like to write this:
traceVariable( $_SERVER['PHP_SELF'] );
Any ideas, how to get the literal expression (source) of a parameter,
which got passed to a method/function? 4 2621
On 16 Dec 2006 15:23:19 -0800, "seaside" <se********@mac.comwrote:
>Currently, I use this call
traceVariable( $_SERVER['PHP_SELF'], '$_SERVER["PHP_SELF"]' );
to pass a variable by reference to 'traceVariable' and by value a description string.
Since the description string is very likely to be identical to the source code (string) of the first parameter, I'd like to write this:
traceVariable( $_SERVER['PHP_SELF'] );
Any ideas, how to get the literal expression (source) of a parameter, which got passed to a method/function?
See the thread "Easy question, return variable name" from just 2 days ago.
--
Andy Hassall :: an**@andyh.co.uk :: http://www.andyh.co.uk http://www.andyhsoftware.co.uk/space :: disk and FTP usage analysis tool
Andy Hassall schrieb:
On 16 Dec 2006 15:23:19 -0800, "seaside" <se********@mac.comwrote:
Since the description string is very likely to be identical to the
source code (string) of the first parameter, I'd like to write this:
traceVariable( $_SERVER['PHP_SELF'] );
Any ideas, how to get the literal expression (source) of a parameter,
which got passed to a method/function?
See the thread "Easy question, return variable name" from just 2 days ago.
Ok, no standard method available. Then, I'll use backtrace to construct
'something'.
You can use the eval function to go the other way around (not tested):
function traceVariable($name)
{echo $name . ' = ' . var_export(eval('return ' . $name), TRUE);}
You'd call it with traceVariable('$_SERVER[\'PHP_SELF\']');
seaside wrote:
Andy Hassall schrieb:
>On 16 Dec 2006 15:23:19 -0800, "seaside" <se********@mac.comwrote:
>>Since the description string is very likely to be identical to the source code (string) of the first parameter, I'd like to write this:
traceVariable( $_SERVER['PHP_SELF'] );
Any ideas, how to get the literal expression (source) of a parameter, which got passed to a method/function?
See the thread "Easy question, return variable name" from just 2 days ago.
Ok, no standard method available. Then, I'll use backtrace to construct
'something'.
Dikkie Dik schrieb:
You can use the eval function to go the other way around (not tested):
function traceVariable($name)
{echo $name . ' = ' . var_export(eval('return ' . $name), TRUE);}
You'd call it with traceVariable('$_SERVER[\'PHP_SELF\']');
Hey, nice idea!
If PHP had a preprocessor, I could even prepare a #define() macro,
which
passes the passed literla-string and its expression along.
Unfortunately, I don't
know of any. This thread has been closed and replies have been disabled. Please start a new discussion. Similar topics
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