Saturday, November 14, 2020

PHP | ctype_graph() Function

PHP ctype_graph() Function


Hello dear readers! welcome back to another edition of our tutorial on PHP. In this tutorial guide, we are going to be discussing 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.

Syntax

Following below is the syntax to use this function -

ctype_graph ( $text );

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Parameter Details

Sr.NoParameters & Description
1

text(Required)

The tested string.


Return Value

This function returns TRUE if every character in the text is printable and actually creates visible output (no whitespace), otherwise 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

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Alright guys! This is where we are rounding up for this tutorial post. In our next tutorial guide, we are going to be discussing about the PHP ctype_lower() Function.

Feel free to ask your questions where necessary and i will attend to them as soon as possible. If this tutorial was helpful to you, you can use the share button to share this tutorial.

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Thanks for reading and bye for now.
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