TRANSFORMS all alphabetic characters of a given STRING into UPPERCASE.
Some characters, especially those accented, may not be properly converted.
<?php
str strtoupper ( str $str )
where,
$str = STRING to be converted to UPPERCASE
?>
EXERCISE
<?php
$st01 = "Time is money. (Let's up-to-date?)";
echo 'Original STRING:<br>' . $st01 .
'<br><br>UPPERCASE:<br>' . strtoupper($st01);
?>
EXERCISE
<?php
$st02 = "Love's not time's fool, though rosy lips and cheeks
within his bending sickle's compass come; or bends
with the remover to remove. Let me not to the marriage
of true minds if this be error and upon me proved, oh, no,
it is an ever fixed mark. Which alters when it alteration
finds, it is the star to every wand'ring bark,
admit impediments; love is not love.";
echo 'Original STRING:<br>' . $st02 .
'<br><br>UPPERCASE:<br>' . strtoupper($st02);
?>
EXERCISE
<?php
$fl03 = '* O conteúdo desenvolvido por este tutorial
é apresentado "no estado", devendo ser considerado,
somente, para propósitos educacionais e,
sem nenhum outro comprometimento ou garantia
adicional.<br>
* Todo material é livre para uso, inclusive para
emprego comercial, exceto com relação às fotografias
e às músicas - as quais - não poderão ser usadas
sob qualquer pretexto.<br>
* Não caberá aos autores, nenhuma responsabilidade
pelo uso apropriado ou inapropriado de todo o conteúdo
distribuído livremente.<br>
* Cabe a cada usuário, em particular, decidir
sobre sua aplicabilidade.<br>
* O conteúdo mostrado poderá sofrer alterações ou
modificações, simples ou radicais,
sem prévio aviso.';
echo 'Original STRING:<br>' . $fl03 .
'<br><br>UPPERCASE:<br>' . strtoupper($fl03);
?>
EXERCISE
<?php
if( substr(PHP_OS, 0, 3) == 'WIN') {
if (!setlocale(LC_ALL, 'C')) {
die('skip need "C" locale (this windows is broken)');
}
} else {
if (!setlocale(LC_ALL, 'en_US.UTF-8', 'en')) {
die('skip need "en_US.UTF-8" locale');
}
}
if( substr(PHP_OS, 0, 3) == 'WIN') {
setlocale(LC_ALL, 'C');
} else {
setlocale(LC_ALL, 'en_US.UTF-8');
}
echo "Testing strtoupper() with 128 chars:<br>";
for ($i=0; $i<=127; $i++){
$char = chr($i);
print(bin2hex($char))." => ".(bin2hex(strtoupper("$char")))."<br>";
}
echo "<br><br>Testing strtoupper() with basic strings:<br>";
$str = "Mary Had A liTTle LAmb and ShE loveD IT So\n";
var_dump(strtoupper($str));
echo "<br><br>Testing strtoupper() with various strings:<br>";
/* strings to pass strtoupper() */
$strings = array (
"",
"string",
"stRINg0234",
"1.233.344StrinG12333",
"$$$$$$!!!!@@@@@@@ ABCDEF !!!***",
"ABCD\0abcdABCD",
NULL,
TRUE,
FALSE,
);
$count = 0;
/* loop through to check possible variations */
foreach ($strings as $string) {
echo "<br><br>Iteration: $count<br>";
var_dump( strtoupper($string) );
$count++;
}
echo "<br><br>Testing strtoupper() with
two different case strings:<br>";
if (strtoupper("HeLLo woRLd") === strtoupper("hEllo WORLD"))
echo "strings are same, with Case Insensitive\n";
else
echo "strings are not same\n";
?>
EXERCISE
<?php
if( substr(PHP_OS, 0, 3) == 'WIN') {
if (!setlocale(LC_ALL, 'C')) {
die('skip need "C" locale (this windows is broken)');
}
} else {
if (!setlocale(LC_ALL, 'en_US.UTF-8', 'en')) {
die('skip need "en_US.UTF-8" locale');
}
}
if( substr(PHP_OS, 0, 3) == 'WIN') {
setlocale(LC_ALL, 'C');
} else {
setlocale(LC_ALL, 'en_US.UTF-8');
}
echo "Testing strtoupper() with 128 chars:<br>";
for ($i=0; $i<=127; $i++){
$char = chr($i);
print(bin2hex($char))." => ".(bin2hex(strtoupper("$char")))."<br>";
}
echo "<br><br>Testing strlower() with basic strings:<br>";
$str = "Mary Had A liTTle LAmb and ShE loveD IT So\n";
var_dump(strtoupper($str));
echo "<br><br>Testing strtoupper() with various strings:<br>";
/* strings to pass strtoupper() */
$strings = array (
"",
"string",
"stRINg0234",
"1.233.344StrinG12333",
"$$$$$$!!!!@@@@@@@ ABCDEF !!!***",
"ABCD\0abcdABCD",
NULL,
TRUE,
FALSE,
);
$count = 0;
/* loop through to check possible variations */
foreach ($strings as $string) {
echo "<br><br>Iteration: $count<br>";
var_dump( strtoupper($string) );
$count++;
}
echo "<br><br>Testing strtoupper() with two
different case strings:<br>";
if (strtoupper("HeLLo woRLd") === strtoupper("hEllo WORLD"))
echo "strings are same, with Case Insensitive\n";
else
echo "strings are not same\n";
?>
EXERCISE
<?php
if (!setlocale(LC_CTYPE, "de_DE",
"de", "german",
"ge", "de_DE.ISO8859-1",
"ISO8859-1")) {
die("skip locale needed for this
test is not supported on this platform");
}
$chars = "הצ";
// Not sure which is most portable. BSD's answer to
// this one. A small array based on PHP_OS should
// cover a majority of systems and makes the problem
// of locales transparent for the end user.
setlocale(LC_CTYPE, "de_DE", "de", "german",
"ge", "de_DE.ISO8859-1",
"ISO8859-1");
echo strtoupper($chars)."\n";
?>