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run code in 200+ php & hhvm versions
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<?php // create array of objects $arr = []; $tx = ["ans1","ans2","ans3"]; for ($i = 0, $max = 3; $i < $max; $i++) { $arr[] = new stdClass; $arr[$i]->text = $tx[$i]; } //***** First Answer ******* $nu = array_map( function($e) { return $e->text; }, $arr); //***** Second Answer ******* $str = join(",",$nu); // ***** Output ********* var_dump( $nu, $str );
Output for 5.6.0 - 5.6.30, hhvm-3.15.4, 7.0.0 - 7.2.6
array(3) { [0]=> string(4) "ans1" [1]=> string(4) "ans2" [2]=> string(4) "ans3" } string(14) "ans1,ans2,ans3"