which is the correct syntax for benchmark, Basic, CodeIgniter

Test
Index

Question:Which is the correct syntax for benchmark?

A $this->benchmark->mark('end');
// something happens here
$this->benchmark->mark('start');
echo $this->benchmark->elapsed_time('start', 'end'); 
B $this->benchmark->mark('start');
// something happens here
$this->benchmark->mark('end');
echo $this->benchmark->elapsed_time('start', 'end'); 
C $this->benchmark->mark('end');
// something happens here
$this->benchmark->mark('start');
echo $this->benchmark->current_time('start', 'end'); 
D $this->benchmark->mark('start');
// something happens here
$this->benchmark->mark('end');
echo $this->benchmark->elapsed_time('end', 'start');

/93

+ AnswerB

+ Report

Descriptive on Basic Ebook

Total Preview: 725

Question:Which is the correct syntax for benchmark?

A $this->benchmark->mark('end'); // something happens here $this->benchmark->mark('start'); echo $this->benchmark->elapsed_time('start', 'end');

B $this->benchmark->mark('start'); // something happens here $this->benchmark->mark('end'); echo $this->benchmark->elapsed_time('start', 'end');

C $this->benchmark->mark('end'); // something happens here $this->benchmark->mark('start'); echo $this->benchmark->current_time('start', 'end');

D $this->benchmark->mark('start'); // something happens here $this->benchmark->mark('end'); echo $this->benchmark->elapsed_time('end', 'start');

B