ctype_lower
It seems that this function does not recognize characters such as 'à', 'ä', 'ò', 'ë' as printable.
Depends on your locale settings, in the default "C" locale they are
indeed not printable as it is 7bit ASCII based. (hartmut)
ctype_print
(PHP 4 >= 4.0.4, PHP 5)
ctype_print — Check for printable character(s)
Popis
bool ctype_print ( string $text )Checks if all of the characters in the provided string, text, are printable.
Seznam parametrů
- text
The tested string.
Návratové hodnoty
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.
PÅ™Ãklady
PÅ™Ãklad 311. 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";
}
}
?>
Výše uvedený pÅ™Ãklad vypÃÅ¡e:
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.
Viz také
| ctype_cntrl() |
| ctype_graph() |
| ctype_punct() |
add a note
User Contributed Notesctype_print
flatline at greyhat dot nl
03-Mar-2004 04:58
03-Mar-2004 04:58