Hello folks! welcome back to a new edition of our tutorial on PHP. In this tutorial guide, we are going to be studying about the PHP ctype_graph() Function.
The PHP ctype_graph() function checks if all the characters in the given string, text, creates a visible output.
The PHP ctype_graph() function checks if all the characters in the given string, text, creates a visible output.
Syntax
Following below is the syntax to use this function -
ctype_graph ( $text );
Parameter Details
Sr.No | Parameters & Description |
---|---|
1 | text(Required) The tested string. |
Return Value
This built-in PHP function returns TRUE if every character in the text is printable and creates visible output (no whitespace), else FALSE.
Example
Try out the below example -
<?php $strings = array('asdf\n\r\t', 'arf12', 'LKA#@%.54'); foreach ($strings as $test) { if (ctype_graph($test)) { echo "$test consists of all (visibly) printable characters \n"; }else { echo "$test does not have all (visibly) printable characters. \n"; } } ?>
Output
When the above code is executed, it will produce the following result -
asdf\n\r\t consists of all (visibly) printable characters. arf12 consists of all (visibly) printable characters LKA#@%.54 consists of all (visibly) printable characters
Alright guys! This is where we are going to be rounding up for this tutorial post. In our next tutorial, we are going to be discussing about the PHP ctype_lower() Function.
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Thanks for reading and bye for now.