PHP | ctype_digit() Function
November 14, 2020
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_digit() Function.
PHP ctype_digit() function checks if all the characters in the provided string, text, are numerical. This function checks only 1 to 9.
PHP ctype_digit() function checks if all the characters in the provided string, text, are numerical. This function checks only 1 to 9.
Syntax
Following below is the syntax to use this function -
ctype_digit ( $text );
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Parameter Details
Sr.No | Parameters & Description |
---|---|
1 | text(Required) The tested string. |
Return Value
This PHP function returns TRUE if every character in the text is a decimal digit, otherwise FALSE.
Example
Try out the below example -
<?php $strings = array('122.50', '1004', 'foo!#$bar'); foreach ($strings as $test) { if (ctype_digit($test)) { echo "$test consists of all digits. \n"; }else { echo "$test does not have all digits. \n"; } } ?>
Output
When the above code is executed, it will produce the following result -
122.50 does not have all digits 1004 consists of all digits foo!#$bar does not have all digits
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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_graph() Function.
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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.