ctype_space
(PHP 4 >= 4.0.4, PHP 5)
ctype_space -- Check for whitespace character(s)
Описание
bool
ctype_space ( string text )
Checks if all of the characters in the provided string,
text, creates whitespace.
Возвращаемые значения
Returns TRUE if every character in text
creates some sort of white space, FALSE otherwise. Besides the
blank character this also includes tab, vertical tab, line feed,
carriage return and form feed characters.
Примеры
Пример 1. A ctype_space() example
<?php
$strings = array('string1' => "\n\r\t", 'string2' => "\narf12", 'string3' => '\n\r\t');
foreach ($strings as $name => $testcase) {
if (ctype_space($testcase)) {
echo "The string '$name' consists of all whitespace characters.\n";
} else {
echo "The string '$name' does not consist of all whitespace characters.\n";
}
}
?>
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Результат выполнения данного примера: The string 'string1' consists of all whitespace characters.
The string 'string2' does not consist of all whitespace characters.
The string 'string3' does not consist of all whitespace characters. |
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