En esta página se muestran una parte de las soluciones de los ejercicios for (1), concretamente el fragmento PHP, sin el principio ni el final de la página que se pueden dejar en fragmentos HTML.
Si lo prefiere, puede descargar unas posibles soluciones completas de estos ejercicios.
<?php
$circulos = rand(1, 10);
if ($circulos == 1) {
print " <h2>$circulos círculo</h2>\n";
} else {
print " <h2>$circulos círculos</h2>\n";
}
print "\n";
print " <table class=\"conborde\">\n";
print " <tbody>\n";
print " <tr>\n";
for ($i = 0; $i < $circulos; $i++) {
print " <td>\n";
print " <svg version=\"1.1\" xmlns=\"http://www.w3.org/2000/svg\" width=\"70\" height=\"70\">\n";
print " <circle cx=\"35\" cy=\"35\" r=\"30\" fill=\"black\" />\n";
print " </svg>\n";
print " </td>\n";
}
print " </tr>\n";
print " </tbody>\n";
print " </table>\n";
?>
<?php
$circulos = rand(1, 10);
if ($circulos == 1) {
print " <h2>$circulos círculo</h2>\n";
} else {
print " <h2>$circulos círculos</h2>\n";
}
print "\n";
print " <table class=\"conborde\">\n";
print " <tbody>\n";
for ($i = 0; $i < $circulos; $i++) {
print " <tr>\n";
print " <td>\n";
print " <svg version=\"1.1\" xmlns=\"http://www.w3.org/2000/svg\" width=\"70\" height=\"70\">\n";
print " <circle cx=\"35\" cy=\"35\" r=\"30\" fill=\"black\" />\n";
print " </svg>\n";
print " </td>\n";
print " </tr>\n";
}
print " </tbody>\n";
print " </table>\n";
?>
<?php
$circulos = rand(1, 10);
if ($circulos == 1) {
print " <h2>$circulos círculo</h2>\n";
} else {
print " <h2>$circulos círculos</h2>\n";
}
print "\n";
print " <table class=\"conborde\">\n";
print " <tbody>\n";
print " <tr>\n";
for ($i = 0; $i < $circulos; $i++) {
print " <td>\n";
print " <svg version=\"1.1\" xmlns=\"http://www.w3.org/2000/svg\" width=\"70\" height=\"70\">\n";
print " <circle cx=\"35\" cy=\"35\" r=\"30\" fill=\"hwb(" . rand(1, 360) . " 0% 0%)\" />\n";
print " </svg>\n";
print " </td>\n";
}
print " </tr>\n";
print " </tbody>\n";
print " </table>\n";
?>
<?php
$circulos = rand(1, 10);
if ($circulos == 1) {
print " <h2>$circulos círculo</h2>\n";
} else {
print " <h2>$circulos círculos</h2>\n";
}
print "\n";
print " <table class=\"conborde\">\n";
print " <tbody>\n";
print " <tr>\n";
for ($i = 0; $i < $circulos; $i++) {
print " <td>\n";
print " <svg version=\"1.1\" xmlns=\"http://www.w3.org/2000/svg\" width=\"70\" height=\"70\" font-size=\"45\">\n";
print " <circle cx=\"35\" cy=\"35\" r=\"30\" fill=\"hwb(" . rand(1, 360) . " 0% 0%)\" />\n";
print " <text x=\"35\" y=\"50\" text-anchor=\"middle\">" . rand(1, 9) . "</text>\n";
print " </svg>\n";
print " </td>\n";
}
print " </tr>\n";
print " </tbody>\n";
print " </table>\n";
?>
<?php
$circulos = rand(1, 10);
if ($circulos == 1) {
print " <h2>$circulos círculo</h2>\n";
} else {
print " <h2>$circulos círculos</h2>\n";
}
print "\n";
print " <table class=\"conborde\">\n";
print " <tbody>\n";
print " <tr>\n";
for ($i = 0; $i < $circulos; $i++) {
print " <td>\n";
print " <svg version=\"1.1\" xmlns=\"http://www.w3.org/2000/svg\" width=\"70\" height=\"70\" font-size=\"45\">\n";
print " <circle cx=\"35\" cy=\"35\" r=\"30\" fill=\"hwb(" . rand(1, 360) . " 0% 0%)\" />\n";
print " <text x=\"35\" y=\"50\" text-anchor=\"middle\" transform=\"rotate(" . rand(-80, 80) . " 35 35)\">" . rand(1, 9) . "</text>\n";
print " </svg>\n";
print " </td>\n";
}
print " </tr>\n";
print " </tbody>\n";
print " </table>\n";
?>
<?php
$numero = rand(1, 10);
$total = 0;
if ($numero == 1) {
print " <h2>$numero dado</h2>\n";
} else {
print " <h2>$numero dados</h2>\n";
}
print "\n";
print " <p>\n";
for ($i = 0; $i < $numero; $i++) {
$dado = rand(1, 6);
print " <img src=\"img/$dado.svg\" alt=\"$dado\" width=\"140\" height=\"140\">\n";
$total += $dado;
}
print " </p>\n";
print "\n";
print " <p>El total de puntos obtenidos es <strong>$total</strong>.</p>\n";
?>
<?php
$numero = rand(1, 10);
$pares = 0;
$impares = 0;
if ($numero == 1) {
print " <h2>$numero dado</h2>\n";
} else {
print " <h2>$numero dados</h2>\n";
}
print "\n";
print " <p>\n";
for ($i = 0; $i < $numero; $i++) {
$dado = rand(1, 6);
print " <img src=\"img/$dado.svg\" alt=\"$dado\" width=\"140\" height=\"140\">\n";
if ($dado % 2) {
$impares += 1;
} else {
$pares += 1;
}
}
print " </p>\n";
print "\n";
print " <p>Han salido ";
if ($pares == 1) {
print "1 número par y ";
} else {
print "$pares números pares y ";
}
if ($impares == 1) {
print "1 número impar.</p>\n";
} else {
print "$impares números impares.</p>\n";
}
?>
<?php
$numero = rand(1, 10);
$maximo = 0;
if ($numero == 1) {
print " <h2>$numero dado</h2>\n";
} else {
print " <h2>$numero dados</h2>\n";
}
print "\n";
print " <p>\n";
for ($i = 0; $i < $numero; $i++) {
$dado = rand(1, 6);
print " <img src=\"img/$dado.svg\" alt=\"$dado\" width=\"140\" height=\"140\">\n";
if ($dado > $maximo) {
$maximo = $dado;
}
}
print " </p>\n";
print "\n";
print " <p>El valor más grande obtenido es <strong>$maximo</strong>.</p>\n";
?>
<?php
$numero = rand(1, 10);
$minimo = 7;
if ($numero == 1) {
print " <h2>$numero dado</h2>\n";
} else {
print " <h2>$numero dados</h2>\n";
}
print "\n";
print " <p>\n";
for ($i = 0; $i < $numero; $i++) {
$dado = rand(1, 6);
print " <img src=\"img/$dado.svg\" alt=\"$dado\" width=\"140\" height=\"140\">\n";
if ($dado < $minimo) {
$minimo = $dado;
}
}
print " </p>\n";
print "\n";
print " <p>El valor más pequeño obtenido es <strong>$minimo</strong>.</p>\n";
?>
<?php
$numero = rand(1, 10);
$maximo = 0;
$cantidad = 0;
if ($numero == 1) {
print " <h2>$numero dado</h2>\n";
} else {
print " <h2>$numero dados</h2>\n";
}
print "\n";
print " <p>\n";
for ($i = 0; $i < $numero; $i++) {
$dado = rand(1, 6);
print " <img src=\"img/$dado.svg\" alt=\"$dado\" width=\"140\" height=\"140\">\n";
if ($dado > $maximo) {
$maximo = $dado;
$cantidad = 1;
}
elseif ($dado == $maximo) {
$cantidad += 1;
}
}
print " </p>\n";
print "\n";
print " <p>El valor más grande obtenido es <strong>$maximo</strong>. Este valor se ha obtenido ";
if ($cantidad == 1) {
print "<strong>$cantidad</strong> vez.</p>\n";
} else {
print "<strong>$cantidad</strong> veces.</p>\n";
}
?>
<?php
print " <p>\n";
print " <svg version=\"1.1\" xmlns=\"http://www.w3.org/2000/svg\" \n";
print " width=\"420\" height=\"420\" viewBox=\"-210 -210 420 420\">\n";
for ($i = 0; $i < 5; $i++) {
print " <circle cx=\"0\" cy=\"0\" r=\"" . 200 - 40 * $i . "\" fill=\"red\" />\n";
print " <circle cx=\"0\" cy=\"0\" r=\"" . 200 - 40 * $i - 20 . "\" fill=\"#ddd\" />\n";
}
for ($i = 0; $i < 10; $i++) {
print " <text x=\"0\" y=\"" . 195 - 20 * $i . "\" text-anchor=\"middle\" font-size=\"13\">" . $i + 1 . "</text>\n";
}
$puntos = 0;
$disparos = rand(1, 10);
for ($i = 0; $i < $disparos; $i++) {
$x = rand(-200, 200);
$y = rand(-200, 200);
$puntos += ((10 - floor(sqrt($x ** 2 + $y ** 2) / 20)) > 0 ? (10 - floor(sqrt($x ** 2 + $y ** 2) / 20)) : 0);
print " <path fill=\"black\" stroke=\"white\" stroke-width=\"2\" "
. "d=\"m $x,$y m -1,-9 4.4,2.5 3.6,0.6 0.5,2.9 2.2,2.9 -2.2,3.1 "
. "-0.1,3.6 -3.3,0.2 -1.7,2.7 -4,-1.4 -3.9,0.2 -0.9,-4.2 -2.7,-2.6 1.7,-3.4 0,-3 z\" />\n";
}
print " </svg>\n";
print " </p>\n";
print "\n";
print " <h2>Estadísticas</h2>\n";
print "\n";
print " <ul>\n";
print " <li>Número de disparos: <strong>$disparos</strong>.</li>\n";
print " <li>Puntuación obtenida: <strong>$puntos</strong>.</li>\n";
print " </ul>\n";
?>