Displaying Custom Field Value in PHP

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this code written in PHP that uses Advanced Custom Fields (ACF) to retrieve and display the value of a field named ‘acf-demo’.
<?php the_field(‘acf-demo’); ?>
1- the_field: This is an ACF function used to display the value of a custom field.
2- acf-demo: This is the name of the custom field you’re trying to retrieve.
When this code is executed within a WordPress template or theme file, it will output the value of the ‘acf-demo’ field for the current post or page.