PHP
(quick guide & examples)
THE ARRAY $arr = ["red", "green", "blue"];
IMPLODE ARRAY $str = implode(", ", $arr); echo $str; red, green, blue
REDUCTION FUNCTION function reduce ($carry, $i) { if ($i !="green") { $carry .= "$i, "; } return $carry; }
REDUCE ARRAY $arr = ["red", "green", "blue"]; $str = array_reduce($arr, "reduce"); $str = substr($str, 0, -2); echo $str; red, blue
THE ARRAY $arr = ["red", "green", "blue"];
MANUAL LOOP & COMBINE $str = ""; foreach ($arr as $i) { $str.= "$i, "; } $str = substr($str, 0, -2); echo $str; red, green, blue
THE ARRAY $arr = ["red", "green", "blue"];
JSON ENCODE $str = json_encode($arr); echo $str; ["red","green","blue"]
THE ARRAY $arr = ["red", "green", "blue"];
PHP SERIALIZE $str = serialize($arr); echo $str; a:4:{i:0;s:3:"red";i:1;s:5:"green" ;i:2;s:4:"blue"}