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--TEST--
"lcfirst()" function
--INI--
precision=14
--FILE--
<?php
/* Make a string's first character uppercase */
echo "#### Basic and Various operations ####\n";
$str_array = array(
"TesTing lcfirst.",
"1.testing lcfirst",
"HELLO wORLD",
'HELLO wORLD',
"\0", // Null
"\x00", // Hex Null
"\x000",
"abcd", // double quoted string
'xyz', // single quoted string
string, // without quotes
"-3",
-3,
'-3.344',
-3.344,
NULL,
"NULL",
"0",
0,
TRUE, // bool type
"TRUE",
"1",
1,
1.234444,
FALSE,
"FALSE",
" ",
" ",
'b', // single char
'\t', // escape sequences
"\t",
"12",
"12twelve", // int + string
);
/* loop to test working of lcfirst with different values */
foreach ($str_array as $string) {
var_dump( lcfirst($string) );
}
echo "\n#### Testing Miscelleneous inputs ####\n";
echo "--- Testing arrays ---";
$str_arr = array("Hello", "?world", "!$%**()%**[][[[&@#~!", array());
var_dump( lcfirst($str_arr) );
echo "\n--- Testing lowercamelcase action call example ---\n";
class Setter {
protected $vars = array('partnerName' => false);
public function __call($m, $v) {
if (stristr($m, 'set')) {
$action = lcfirst(substr($m, 3));
$this->$action = $v[0];
}
}
public function __set($key, $value) {
if (array_key_exists($key, $this->vars)) {
$this->vars[$key] = $value;
}
}
public function __get($key) {
if (array_key_exists($key, $this->vars)) {
return $this->vars[$key];
}
}
}
$class = new Setter();
$class->setPartnerName('partnerName');
var_dump($class->partnerName);
echo "\n--- Testing objects ---\n";
/* we get "Catchable fatal error: saying Object of class could not be converted
to string" by default when an object is passed instead of string:
The error can be avoided by choosing the __toString magix method as follows: */
class string {
function __toString() {
return "Hello world";
}
}
$obj_string = new string;
var_dump(lcfirst("$obj_string"));
echo "\n--- Testing Resources ---\n";
$filename1 = "dummy.txt";
$file1 = fopen($filename1, "w"); // creating new file
/* getting resource type for file handle */
$string1 = get_resource_type($file1);
$string2 = (int)get_resource_type($file1); // converting stream type to int
/* $string1 is of "stream" type */
var_dump(lcfirst($string1));
/* $string2 holds a value of "int(0)" */
var_dump(lcfirst($string2));
fclose($file1); // closing the file "dummy.txt"
unlink("$filename1"); // deletes "dummy.txt"
echo "\n--- Testing a longer and heredoc string ---\n";
$string = <<<EOD
Abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
@#$%^&**&^%$#@!~:())))((((&&&**%$###@@@!!!~~~~@###$%^&*
abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
EOD;
var_dump(lcfirst($string));
echo "\n--- Testing a heredoc null string ---\n";
$str = <<<EOD
EOD;
var_dump(lcfirst($str));
echo "\n--- Testing simple and complex syntax strings ---\n";
$str = 'world';
/* Simple syntax */
var_dump(lcfirst("$str"));
var_dump(lcfirst("$str'S"));
var_dump(lcfirst("$strS"));
/* String with curly braces, complex syntax */
var_dump(lcfirst("${str}S"));
var_dump(lcfirst("{$str}S"));
echo "\n--- Nested lcfirst() ---\n";
var_dump(lcfirst(lcfirst("hello")));
echo "\n#### error conditions ####";
/* Zero arguments */
lcfirst();
/* More than expected no. of args */
lcfirst($str_array[0], $str_array[1]);
lcfirst((int)10, (int)20);
echo "Done\n";
?>
--EXPECTF--
#### Basic and Various operations ####
Notice: Use of undefined constant string - assumed 'string' in %s on line %d
string(16) "tesTing lcfirst."
string(17) "1.testing lcfirst"
string(11) "hELLO wORLD"
string(11) "hELLO wORLD"
string(1) " "
string(1) " "
string(2) " 0"
string(4) "abcd"
string(3) "xyz"
string(6) "string"
string(2) "-3"
string(2) "-3"
string(6) "-3.344"
string(6) "-3.344"
string(0) ""
string(4) "nULL"
string(1) "0"
string(1) "0"
string(1) "1"
string(4) "tRUE"
string(1) "1"
string(1) "1"
string(8) "1.234444"
string(0) ""
string(5) "fALSE"
string(1) " "
string(5) " "
string(1) "b"
string(2) "\t"
string(1) " "
string(2) "12"
string(8) "12twelve"
#### Testing Miscelleneous inputs ####
--- Testing arrays ---
Warning: lcfirst() expects parameter 1 to be string, array given in %s on line %d
NULL
--- Testing lowercamelcase action call example ---
string(%d) "partnerName"
--- Testing objects ---
string(11) "hello world"
--- Testing Resources ---
string(6) "stream"
string(1) "0"
--- Testing a longer and heredoc string ---
string(639) "abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
@#$%^&**&^%$#@!~:())))((((&&&**%$###@@@!!!~~~~@###$%^&*
abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789"
--- Testing a heredoc null string ---
string(0) ""
--- Testing simple and complex syntax strings ---
string(5) "world"
string(7) "world'S"
Notice: Undefined variable: strS in %s on line %d
string(0) ""
string(6) "worldS"
string(6) "worldS"
--- Nested lcfirst() ---
string(5) "hello"
#### error conditions ####
Warning: lcfirst() expects exactly 1 parameter, 0 given in %s on line %d
Warning: lcfirst() expects exactly 1 parameter, 2 given in %s on line %d
Warning: lcfirst() expects exactly 1 parameter, 2 given in %s on line %d
Done