Solved ProjectEuler/039,041,042

ProjectEuler/041/solve.php

@@ -0,0 +1,27 @@
+<?php
+
+function pandigital_less($number) {
+
+		$array = count_chars($number,1);
+		
+		foreach(range(1,count($array)) as $char) {
+			if( $array[ord($char)]!== 1) return false;
+		}
+		return true;
+}
+
+function is_prime($prime) {
+    //if($prime%2 == 0) return false;
+    
+    $sqrt = sqrt($prime);
+    for ($i = 3; $i <= $sqrt; $i+=2){
+        if ($prime%$i == 0) return false; 
+    } 
+    return true; 
+} 
+//We don't need to check uneven numbers
+//Has to start with a 7 and therefor be 7 digits long
+for($var = 7000001; $var < 8000000; $var=$var+2) { 
+	if(is_prime($var) AND pandigital_less($var)) { $result =  $var; }
+}
+echo $result;