<?php $variables = array( "firstname" => "Sachin", "lastname" => "Tendulkar", "course" => array( 0 => "PHP", 1 => "HTML", 2 => "CSS", 3 => "Javascript" ) ); $courses = implode(', ', $variables['course']); // point it directly on the desired array echo $courses; // PHP, HTML, CSS, Javascript
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