PHP | ctype_lower() Function
November 15, 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_lower() Function.
The PHP ctype_lower() function checks if all the characters in the provided string, text, are lowercase letters.
The PHP ctype_lower() function checks if all the characters in the provided string, text, are lowercase letters.
Syntax
Following below is the syntax to use this function -
ctype_lower ( $text );
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Parameter Details
Sr.No | Parameters & Description |
---|---|
1 | text(Required) The tested string. |
Return Value
This function returns TRUE if every character in the text is a lowercase letter in the current locale.
Example
Try out the below example -
<?php $strings = array('aac123', 'testing', "testin IS Done"); foreach ($strings as $test) { if (ctype_lower($test)) { echo "$test consists of all lowercase letters. \n"; }else { echo "$test does not have all lowercase letters. \n"; } } ?>
Output
When the above code is executed, it will produce the following result -
aac123 does not have all lowercase letters. testing consists of all lowercase letters. testin IS Done does not have all lowercase letters.
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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_print() 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.