ctype_space

ctype_space

Check for whitespace character(s)

bool **ctype_space** mixed $text

Checks if all of the characters in the provided , , creates whitespace. string``text

textThe tested string. note.ctype.parameter.integer note.ctype.parameter.non-string

Returns true if every character in
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. ctype.result.empty-string text

Voorbeeld: A example

<?php
$strings = array(
    'string1' => "\n\r\t",
    'string2' => "\narf12",
    'string3' => '\n\r\t' // note the single quotes
);
foreach ($strings as $name => $testcase) {
    if (ctype_space($testcase)) {
        echo "The string '$name' consists of whitespace characters only.\n";
    } else {
        echo "The string '$name' contains non-whitespace characters.\n";
    }
}
?>

The string 'string1' consists of whitespace characters only.
The string 'string2' contains non-whitespace characters.
The string 'string3' contains non-whitespace characters.

ctype_cntrl``ctype_graph``ctype_punct``IntlChar::isspace