From dc724ce19180bc91a7b71930a5bf1c3adcdec991 Mon Sep 17 00:00:00 2001
From: pitafubar <lbggallagher@gmail.com>
Date: Tue, 22 Aug 2017 16:02:59 -0600
Subject: [PATCH] PHP Index Finder

---
 EquilibriumIndex.php | 18 ++++++++++++++----
 1 file changed, 14 insertions(+), 4 deletions(-)

diff --git a/EquilibriumIndex.php b/EquilibriumIndex.php
index 020dd2b..8adc36f 100644
--- a/EquilibriumIndex.php
+++ b/EquilibriumIndex.php
@@ -1,9 +1,19 @@
 <?php
-
-# Put a valid docblock here!
+# Same Idea as my python index finder O(n) complexity
 function getEquilibriums($arr) {
-	$output = array();
-	# Logic goes here!
+	#Determine total sum
+    $rightSum = array_sum($arr);
+	#Initialize Variables
+    $leftSum = 0;
+    $output = array();
+	#Iterate Through array
+    foreach($arr as $index => $value){
+		#Determine Right Sum
+        $rightSum -= $value;
+		#Check if equilibrium index
+        if($leftSum == $rightSum) $output[] = $index;
+        $leftSum += $value;
+    }
 	return $output;
 }