diff --git "a/Retos/Reto #31 - EL \303\201BACO [F\303\241cil]/php/almonteagudor.php" "b/Retos/Reto #31 - EL \303\201BACO [F\303\241cil]/php/almonteagudor.php"
new file mode 100644
index 0000000000..2cfc903c43
--- /dev/null
+++ "b/Retos/Reto #31 - EL \303\201BACO [F\303\241cil]/php/almonteagudor.php"	
@@ -0,0 +1,16 @@
+<?php
+
+function abacoToNumber(array $abaco): int
+{
+    $number = "";
+
+    foreach ($abaco as $unit) {
+        $number .= strpos($unit, "---");
+    }
+
+    return intval($number);
+}
+
+$abaco = isset($argv[1]) ? explode(',', $argv[1]) : ["O---OOOOOOOO", "OOO---OOOOOO", "---OOOOOOOOO", "OO---OOOOOOO", "OOOOOOO---OO", "OOOOOOOOO---", "---OOOOOOOOO"];
+
+echo "El número es " . abacoToNumber($abaco) . "\n";