Checks if all of the characters in the provided string,
text, are printable.
Parameters
text
The tested string.
Return Values
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.
Examples
Example 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"; } } ?>
The above example will output:
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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