initial commit

README.md

@@ -1,2 +1,9 @@
 # php_pimebday
 
+## requierments
+
+	- php > 7.4 
+
+## execute
+
+execute the index.php from your web server

index.php

@@ -0,0 +1,31 @@
+<?php
+
+
+function getNextPrimeBdays(int $age, int $countNextBdays,?int $ageLimit = null):array{
+	if ($ageLimit === null){
+		$ageLimit = 100;
+	}
+	$out = [];
+	while($countNextBdays > 0) {
+		for ($age = 32; $age <= $ageLimit; $age++) {
+			$primenum = true;
+			for($denominator = 2; $denominator <= $age/2; $denominator++) {
+				if(((float)$age % (float)$denominator) == 0.0) {
+					$primenum = false;
+					break;
+				}
+			}
+			if ((bool)$primenum) {
+				$out[] = $age;
+				$countNextBdays--;
+				if($countNextBdays == 0){
+					break;
+				}
+			}
+		}
+		
+	}
+	return $out;
+}
+
+echo json_encode(getNextPrimeBdays(32,10));