ctype_print
(PHP 4 >= 4.0.4, PHP 5)
ctype_print -- Check for printable character(s)
Описание
bool
ctype_print ( string text )
Checks if all of the characters in the provided string,
text, are printable.
Возвращаемые значения
Returns TRUE if every character in text
will actually create output (including blanks). Returns FALSE if
text contains control characters or characters
that do not have any output or control function at all.
Примеры
Пример 1. A ctype_print() example
<?php
$strings = array('string1' => "asdf\n\r\t", 'string2' => 'arf12', 'string3' => 'LKA#@%.54');
foreach ($strings as $name => $testcase) {
if (ctype_print($testcase)) {
echo "The string '$name' consists of all printable characters.\n";
} else {
echo "The string '$name' does not consist of all printable characters.\n";
}
}
?>
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Результат выполнения данного примера: The string 'string1' does not consist of all printable characters.
The string 'string2' consists of all printable characters.
The string 'string3' consists of all printable characters. |
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