Description:
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The functions trader_ht_phasor and trader_ht_sine expect two parameters, the documentation lists one.  The second parameter for both is expected to be a by-reference empty array.

This can be verified at http://svn.php.net/viewvc/pecl/trader/trunk/functions/trader_ht_phasor.c?view=markup line 50 for trader_ht_phasor and http://svn.php.net/viewvc/pecl/trader/trunk/functions/trader_ht_sine.c?view=markup line 50 for trader_ht_sine.

trader_ht_phasor should have the definition of
trader_ht_phasor($real, &$inPhase)

trader_ht_sine should have the definition of
trader_ht_sine($real, &$sine)

Using PHP 7.0.8 with Trader 0.4.0 on Windows Server 2012, IIS 8.5.

Test script:
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<?php

trader_ht_phasor([], []);
trader_ht_phasor([]);
trader_ht_sine([], []);
trader_ht_sine([]);


Expected result:
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Lines 4 & 6 will emit a warning.
Lines 3 & 5 will not.

Actual result:
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Warning: trader_ht_phasor() expects exactly 2 parameters, 1 given in test.php on line 4

Warning: trader_ht_sine() expects exactly 2 parameters, 1 given in test.php on line 6