PEAR_RunTest::generate_diff() – generate_diff


require_once '/RunTest.php';

void PEAR_RunTest::generate_diff ( string $wanted , string $output , array|false $return_value )


Returns differences by line between the expected output ($wanted) and the actual output ($output). In addition, the value returned from the script can also be tested. The test should be performed outside generate_diff(). If the return value is as expected, pass in FALSE, otherwise pass in an array where the first element is the expected return value and the second is the actual return value.


string $wanted

Expected output

string $output

Actual output

array|FALSE $return_value

False if return value was correct, otherwise an array of format:

1// expected return
2// actual return value


throws no exceptions thrown


This function can not be called statically.

Instantiate a PEAR_RunTest object. (Previous) run (Next)
Last updated: Wed, 25 Nov 2015 — Download Documentation
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