php - Interpolating variables in HEREDOCs -

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this question has answer here:

i'd interpolate variables heredoc string, giving me errors, code this:

$htmlviewappointments .= <<<eot          <tr><td>$obj['year']</td></tr>  eot;

use:

$htmlviewappointments .= <<<eot          <tr><td>{$obj['year']}</td></tr>  eot;

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