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Task/Odd-word-problem/PHP/odd-word-problem.php

@@ -0,0 +1,27 @@
+$odd = function ($prev) use ( &$odd ) {
+	$a = fgetc(STDIN);
+	if (!ctype_alpha($a)) {
+		$prev();
+		fwrite(STDOUT, $a);
+		return $a != '.';
+	}
+	$clos = function () use ($a , $prev) {
+		fwrite(STDOUT, $a);
+		$prev();
+	};
+	return $odd($clos);
+};
+$even = function () {
+	while (true) {
+		$c = fgetc(STDIN);
+		fwrite(STDOUT, $c);
+		if (!ctype_alpha($c)) {
+			return $c != ".";
+		}
+	}
+};
+$prev = function(){};
+$e = false;
+while ($e ? $odd($prev) : $even()) {
+	$e = !$e;
+}