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PHP : Function Reference : Character Type Functions : ctype_space

ctype_space

Check for whitespace character(s) (PHP 4 >= 4.0.4, PHP 5)
bool ctype_space ( string text )

Example 424. A ctype_space() example

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<?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";

    }

}
?>

The above example will output:

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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.

Code Examples / Notes » ctype_space

anonymous

ctype_space("") i.e. the empty string, returns true

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ctype_alnum
ctype_alpha
ctype_cntrl
ctype_digit
ctype_graph
ctype_lower
ctype_print
ctype_punct
ctype_space
ctype_upper
ctype_xdigit

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