diff --git a/arrays.php b/arrays.php
new file mode 100644
index 0000000..7b333d9
--- /dev/null
+++ b/arrays.php
@@ -0,0 +1,56 @@
+<?php
+# ARRAY + STRING
+    print_r (array("Hola", "Como estas", "Adios"));
+    echo "<br><br>";
+
+# ARRAY + NUMBER + DECIMAL NUMBER
+    print_r (array(1, 2, 3, 4, 1.2, 4.6, 7.8, 10));
+    echo "<br><br>";
+
+# MULTIDIMENSIONAL ARRAY
+    $animales = array (
+        "Marinos" => array (
+            1 => "Delfin", 2 => "Ballena", 3 => "Tiburon"
+        ),
+        "Terrestres" => array (
+            1 => "Leon", 2 => "Mono", 3 => "Perro"
+        ),
+    );
+    print_r ($animales);
+    echo "<br><br>";
+
+# FUNCTION ARRAY LENGTH
+    $myArr = array(0, 1, 2, 3);
+    function contador($e) {
+        return "La longitud(length) del array es: ".count($e)."<br><br>";
+    }
+    echo contador($myArr);
+#count
+
+# FUNCTION WITH 2 ARRAYS
+    $mySecondArr = array(10, 11, 12);
+    function unirArr($arr1, $arr2) {
+        $result = array_merge($arr1, $arr2);
+        print_r ($result);
+    }
+    echo unirArr($myArr, $mySecondArr)."<br><br>";
+#array_merge
+
+# FUNCTION ARRAY LAST ELEMENT
+    function lastEle($e) {
+        return "El ultimo valor del array es: ".end($e);
+    }
+    print_r($myArr);
+    echo lastEle($myArr)."<br><br>";
+#end
+
+# FUNCTION ADD NEW ELEMENT TO THE ARRAY
+    function addEle($e, $a) {
+        array_push($e, $a);
+        print_r ($e);
+    }
+    echo addEle($myArr, 200);
+
+#array_push
+
+?>
\ No newline at end of file
diff --git a/conditionals.php b/conditionals.php
new file mode 100644
index 0000000..21d2855
--- /dev/null
+++ b/conditionals.php
@@ -0,0 +1,53 @@
+<?php
+
+# WEEK CONDITION
+    $findDay = date('w');
+    if ($findDay == 1) echo 'We are on Monday';
+
+    # MONTH CONDITION
+    $findMonth = date('m');
+    if ($findMonth == 10) echo 'We are in October';
+
+    # DOUBLE CONDITION
+    $forMinutes = date('i');
+    if ($forMinutes <= 10) {
+        echo "the current minute is less than 10, ";
+    } else if ($forMinutes >= 15) {
+        echo "the current minute is more than 15, ";
+    } else {
+        echo "does not meet any conditions, ";
+    }
+    echo "the current minutes are ".$forMinutes."<br><br>";
+
+    # SWITCH
+    switch ($findDay) {
+        case 0:
+            echo 'Hoy es domingo';
+        break;
+
+        case 1:
+        echo 'Hoy es lunes';
+        break;
+
+        case 2:
+        echo 'Hoy es martes';
+        break;
+
+        case 3:
+        echo 'Hoy es miercoles';
+        break;
+
+        case 4:
+        echo 'Hoy es jueves';
+        break;
+
+        case 5:
+        echo 'Hoy es viernes y el cuerpo lo sabe';
+        break;
+        
+        case 6:
+        echo 'Hoy es sabado';
+        break;
+    }
+
+?>
\ No newline at end of file
diff --git a/dates.php b/dates.php
new file mode 100644
index 0000000..9bc50b6
--- /dev/null
+++ b/dates.php
@@ -0,0 +1,34 @@
+<?php
+
+    #Date Time
+    $tiempo = date('Y-m-d');
+    echo $tiempo."<br><br>";
+
+    # Current Date
+    $tiempoHoy = date('d-m-Y');
+    echo "La fecha de hoy es: ".$tiempoHoy."<br><br>";
+
+    # Current Day
+
+    $dia = date("w");
+        if($dia == 0) echo "Hoy es: Domingo..";
+        if($dia == 1) echo "Hoy es: Lunes...";
+        if($dia == 2) echo "Hoy es: Martes..";
+        if($dia == 3) echo "Hoy es: Miercoles.";
+        if($dia == 4) echo "Hoy es: Jueves?";
+        if($dia == 5) echo "Hoy es: Viernes!!!";
+        if($dia == 6) echo "Hoy es: Sabado.";
+
+    echo "<br><br>";
+
+    # Current Month (1-12)
+
+    $mes = date('n');
+    echo "Es el mes numero: ".$mes."<br><br>";
+
+    # Current Minute (00 - 59)
+        
+    $minutos = date('i');
+    echo "Son los minutos actuales: ".$minutos."<br><br>";
+    
+?>
\ No newline at end of file
diff --git a/functions.php b/functions.php
new file mode 100644
index 0000000..bc39ed5
--- /dev/null
+++ b/functions.php
@@ -0,0 +1,32 @@
+<?php
+    # FUNCTION SUM
+    function sumar($a, $b) {
+        $num = 10;
+        return "($a + $num) =".($a + $num)."<br>($b + $num) =".($b + $num)."<br>";
+    }
+    echo sumar(5, 6)."<br><br>";
+
+
+    # FUNCTION MULTIPLY
+    function multiplicar($a, $b) {
+        $cien = 100;
+        return "($a * $cien) =".($a * $cien)."<br>($b * $cien) =".($b * $cien)."<br>";
+    }
+    echo multiplicar(2, 10)."<br><br>";
+
+
+    # FUNCTION DIVIDE
+    function dividir($a, $b) {
+        $mitad = 2;
+        return "($a / $mitad) =".($a / $mitad)."<br>($b / $mitad) =".($b / $mitad)."<br>";
+    }
+    echo dividir(10, 150)."<br><br>";
+
+
+    # FUNCTION ADD/MULTIPLY/DIVIDE AND "RETURN"
+    function operaciones($a, $b, $c) {
+        return ($a + $b / $c);
+    }
+    echo operaciones(10, 20, 2)."<br><br>";
+
+?>
\ No newline at end of file
diff --git a/iterators.php b/iterators.php
new file mode 100644
index 0000000..846087d
--- /dev/null
+++ b/iterators.php
@@ -0,0 +1,41 @@
+<?php
+    #FOR
+    
+    for ($i = 0; $i < 5; $i++) {
+        echo "El número en el bucle es: $i<br>";
+    }
+
+    echo "<br>";
+
+    #FOREACH
+
+    $myArray = array (1, 2, 3, 4, 5);
+
+    foreach ($myArray as $value) {
+        $value = $value * 5;
+        echo $value."<br>";
+    }
+
+    echo "<br>";
+
+    #WHILE
+
+    $num = 0;
+
+    while($num<=10) {
+        echo $num." ";
+        $num++;
+    }
+
+    echo "<br>";
+
+    #DO WHILE
+
+    $numero = 10;
+    do {
+        echo $numero." ";
+        $numero--;
+    }
+    while ($numero >= 0);
+
+?>
\ No newline at end of file
diff --git a/maths.php b/maths.php
new file mode 100644
index 0000000..153acdf
--- /dev/null
+++ b/maths.php
@@ -0,0 +1,23 @@
+<?php
+
+    # ABSOLUTE VALUE
+    echo abs(-4.5);
+    echo "<br><br>";
+
+    # ROUNDED VALUE
+    var_dump(round(3.4));
+    var_dump(round(3.6));
+    echo "<br><br>";
+
+    # HIGHEST VALUE min
+    echo max(array(1, 2, 3, 6, 4, 5));
+    echo "<br><br>";
+
+    # LOWEST VALUE max
+    echo min(1, 2, 3, 0, 4, 5);
+    echo "<br><br>";
+
+    # RANDOM NUMBER
+    echo rand(0, 100);
+
+?>
\ No newline at end of file
diff --git a/operators.php b/operators.php
new file mode 100644
index 0000000..9e66f66
--- /dev/null
+++ b/operators.php
@@ -0,0 +1,65 @@
+<?php
+
+    #Aritmetic Operators
+    
+    echo "<br>";
+    echo "Aritmetic Operators";
+    echo "<br>";
+    echo "<br>";
+
+    var_dump(2+2);
+    echo "<br>";
+
+    var_dump(2-2);
+    echo "<br>";
+
+    var_dump(2*2);
+    echo "<br>";
+
+    var_dump(2/2);
+    echo "<br>";
+
+    var_dump(2%2);
+    echo "<br>";
+    echo "<br>";
+
+    #Comparison Operators
+
+    echo "Comparison Operators";
+    echo "<br>";
+    echo "<br>";
+
+    var_dump(10 == 10);
+    echo "<br>";
+
+    var_dump(10 != 10);
+    echo "<br>";
+
+    var_dump(10 < 15);
+    echo "<br>";
+    
+    var_dump(10 > 15);
+    echo "<br>";
+
+    var_dump(10 <= 15);
+    echo "<br>";
+
+    var_dump(10 >= 15);
+    echo "<br>";
+    echo "<br>";
+    #Logical Operators
+
+    echo "Logical Operators";
+    echo "<br>";
+    echo "<br>";
+
+    var_dump(10 == 10 && 5 != 5);
+    echo "<br>";
+
+    var_dump(10 == 10 || 5 != 5);
+    echo "<br>";
+
+    var_dump(!10 == 10);
+    echo "<br>";
+
+?>
\ No newline at end of file
diff --git a/phpinfo.php b/phpinfo.php
new file mode 100644
index 0000000..ccbb494
--- /dev/null
+++ b/phpinfo.php
@@ -0,0 +1,3 @@
+<?php
+    phpinfo();
+?>
\ No newline at end of file
diff --git a/print.php b/print.php
new file mode 100644
index 0000000..fb4f0d8
--- /dev/null
+++ b/print.php
@@ -0,0 +1,6 @@
+<?php
+    echo "Hola Mundo!<br>";
+    print "Adios Mundo!<br>";
+    $array = array('name' => 'Juan Francisco', 'lastName' => 'Solano Perez', 'age' => 36, 'newArray' => array(1, 2, 3, 'Hola', 'Adios'));
+    print_r ($array);
+?>
\ No newline at end of file
diff --git a/strings.php b/strings.php
new file mode 100644
index 0000000..25af695
--- /dev/null
+++ b/strings.php
@@ -0,0 +1,88 @@
+<?php
+# PRINT
+print "Hola<br><br>";
+
+
+# PRINT + VARIABLE
+$saludo = "Bienvenido";
+print($saludo) . "<br><br>";
+
+
+# PRINT + VARIABLE + TEXT
+print($saludo) . " al mundo de la programación!<br><br>";
+
+# FUNCTION REPLACE TEXT IN A STRING (SENSITIVE)
+$vocales = array("a", "e", "o", "u", "A", "E", "I", "O", "U");
+function reemplazarTexto($e)
+{
+    return str_replace($e, "i", "Apuntate a programacion decian... sera facil");
+}
+echo reemplazarTexto($vocales) . "<br><br>";
+#str_replace    
+
+# FUNCTION REPLACE TEXT IN A STRING (WITHOUT UPPER/LOWER CASE)
+$vocalesSinMayus = array("a", "e", "o", "u");
+function reemplazarTextoMayus($e)
+{
+    return str_ireplace($e, "i", "JAVASCRIPT TE ECHO DE MENOS");
+}
+echo reemplazarTextoMayus($vocalesSinMayus) . "<br><br>";
+#str_ireplace
+
+# FUNCTION REPEAT TEXT X TIMES
+function repeatCaracola($palabra, $num)
+{
+    return str_repeat($palabra, $num) . "<br><br>";
+}
+echo repeatCaracola("¡Hola Caracola!", 20);
+#str_repeat
+
+# FUNCTION LENGTH TEXT STRING
+$longitudPalabra = "Esternocleidomastoideo";
+function longPalabra($p)
+{
+    return "La longitud de $p es " . strlen($p) . "<br><br>";
+}
+echo longPalabra($longitudPalabra);
+#strlen
+
+
+# FUNCTION FIRST OCCURRENCE OF A TEXT WITHIN A TEXT STRING
+$texto = "Me llamo Alberto y me gusta la cerveza.";
+function cogerPalabra($tex)
+{
+    return explode(" ", $tex);
+}
+
+#echo cogerPalabra()."<br>";
+echo cogerPalabra($texto)[7] . "<br><br>";
+#explode
+
+# FUNCTION CAPITALIZED
+function capitalizar($c)
+{
+    return ucfirst($c);
+}
+echo capitalizar("hola") . "<br>";
+echo capitalizar("adios") . "<br><br>";
+#ucfirst
+
+# FUNCTION TRANSFORM TO LOWERCASE
+$textToLower = "ME LLAMO ALBERTO Y ME GUSTA LA CERVEZA.";
+function textoMin($t)
+{
+    return strtolower($t);
+}
+echo textoMin($textToLower) . "<br><br>";
+#strtolower
+
+# FUNCTION OBTAIN TEXT SUBSTRING FROM POSITION
+$textPHP = "PHP";
+function cogerPrimeraLetra($palabra)
+{
+    return substr($palabra, 0, 1);
+}
+echo cogerPrimeraLetra($textPHP);
+#substr()
+
+?>
\ No newline at end of file
diff --git a/types.php b/types.php
new file mode 100644
index 0000000..6998675
--- /dev/null
+++ b/types.php
@@ -0,0 +1,26 @@
+<?php
+
+$boolean = true;
+echo "Boolean devuelve 1 si es true, si es false no devuelve nada. Devuelve: ".$boolean." por lo que es true.<br><br>";
+
+$numero = 3;
+echo "Variable tipo numero: ".$numero."<br><br>";
+
+$numFlot = 1.234;
+echo $numFlot."<br><br>";
+
+
+$palabra = "Hola";
+echo "Variable tipo String: ".$palabra."<br><br>";
+
+$arreglo = array(1, 2, 3, 4, 5);
+print_r ($arreglo);
+echo "<br><br>";
+
+$objeto = (object) ["nombre"=>"Juan Francisco", "apellidos"=>"Solano", "edad"=>36];
+echo "Mi nombre es $objeto->nombre $objeto->apellidos y tengo $objeto->edad años. <br><br>";
+
+$nulo = null;
+echo "Aqui no muestra nada --> ".$nulo." <-- porque es false.";
+
+?>
\ No newline at end of file