Soluciones examen 1

//56

function lamaslarga($cad1, $cad2) {
 if (strlen($cad1) > strlen($cad2)) {
 return $cad1;
 } else {
 return $cad2;
 }
}

include_once 'funciones.php';

$f = fopen(‘alumnos.txt ’, ‘r’);

$colores = array("rojo", "naranja", "amarillo", "verde", "cian", "azul", "violeta");

if ($resultado) {
 ?> <h1>Bien</h1> <?php } else { ?> <h2>Mal</h2> <?php
}

function invertir_cad($tabla) {
 for ($i = 0; $i < count($tabla); $i++) {
 $tabla2[$i] = strrev($tabla[$i]);
 } return $tabla2;
}

function tablero($numCeldas) {
 $num = 0;
 echo "<table border=1>";
 for ($i = 0; $i < $numCeldas; $i++) {
 echo "<tr>";
 for ($j = 0; $j < $numCeldas; $j++) {
 echo "<td>" . ($i + $j) . "</td>";
 } 
 echo "</tr>";
 } echo "</table>";
}