Meaning of PHP error message “Notice: Use of undefined constant"

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Meaning of PHP error message “Notice: Use of undefined constant"

alexod

9:14 pm on Aug 28, 2020 (gmt 0)

I have a an error on my WP website, but can't figure how to fix it. Can you please help me with this.

I have this error in my logs

[28-Aug-2020 20:02:01 UTC] PHP Warning: Use of undefined constant php - assumed 'php' (this will throw an Error in a future version of PHP) in /home/***.php on line 21

The code is

<?php/* if($ji == 3){ ?>
           <button type="button" class="btn btn-info btn-lg" data-toggle="modal" data-target="#myModal"><?php the_sub_field('block_section__heading');?></button>
          <?php } else{*/ ?>
           <h3><?php the_sub_field('block_section__heading');?></a></h3>
          <?php/* } */?>

I understand that I need to quote array keys here, but don't figure out which one

Any advice will be appreciated.

phranque

10:16 pm on Aug 28, 2020 (gmt 0)

you're missing some required whitespace characters. (i.e., after the "<?php")
see the parts i bolded below:

<?php/* if($ji == 3){ ?>
<button type="button" class="btn btn-info btn-lg" data-toggle="modal" data-target="#myModal"><?php the_sub_field('block_section__heading');?></button>
<?php } else{*/ ?>
<h3><?php the_sub_field('block_section__heading');?></a></h3>
<?php/* } */?>

alexod

10:49 pm on Aug 28, 2020 (gmt 0)

Thanks Phranque,

I checked my code, looks like I have that required whitespace.

[prnt.sc...]

Try to play, add some spacing - but I'm getting the same error.

phranque

11:54 pm on Aug 28, 2020 (gmt 0)

you need this:

<?php /*

not this:

<?php/*

alexod

7:55 pm on Aug 29, 2020 (gmt 0)

thanks phranque. It works