.\"return the amount of real time that occurred while evaluation an expression
.DT
time_expression
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time_expression
.SH Name
.SI 5
time_expression() - return the amount of real time that an expression took
.EI
.SH Synopsis
.SI 5
int time_expression( mixed expr );
int time_expression { ... }
.EI
.SH Description
.SP 5 5
Evaluate `expr' or the specified block of code. The amount of real time
that passes during the evaluation of `expr', in microseconds, is returned.
The precision of the value is not necessarily 1 microsecond; in fact, it
probably is much less precise.
.EP
.SH See also
.SI 5
rusage(), function_profile(), time()
.EI
