Add Hackerrank Solutions in php for birthday cake candles

Author: rightturn

Hackerrank/Algorithms/Implementation/birthday-cake-candles/birthday-cake-candles.php

@@ -0,0 +1,39 @@
+<?php
+
+// Complete the birthdayCakeCandles function below.
+function birthdayCakeCandles($arr) {
+    $max = 1;
+    $max_count = 0;
+
+    for($i=0;$i<count($arr);$i++){
+        if($max < $arr[$i]){
+            $max = $arr[$i];
+        }
+    }
+
+    for($i=0;$i<count($arr);$i++){
+        if($max == $arr[$i]){
+            $max_count++;
+        }
+    }
+
+    return $max_count;
+
+}
+
+$fptr = fopen(getenv("OUTPUT_PATH"), "w");
+
+$stdin = fopen("php://stdin", "r");
+
+fscanf($stdin, "%d\n", $ar_count);
+
+fscanf($stdin, "%[^\n]", $ar_temp);
+
+$ar = array_map('intval', preg_split('/ /', $ar_temp, -1, PREG_SPLIT_NO_EMPTY));
+
+$result = birthdayCakeCandles($ar);
+
+fwrite($fptr, $result . "\n");
+
+fclose($stdin);
+fclose($fptr);