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[PHP] Re: Including JS code that uses PHP




On Tue, Sep 5, 2017 at 5:35 PM, Christoph M. Becker <cmbecker69@xxxxxx> wrote:
> On 05.09.2017 at 22:58, Larry Martell wrote:
>
>> I have some javascript code that has PHP in it like this:
>>
>> var CLIENT_ID='<?php echo $CLIENT_ID; ?>'
>>
>> If I put the JS code directly in a php file with:
>>
>>   <script type="text/javascript">
>>       .
>>       .
>>       .
>>   </script>
>>
>> Then at run time CLIENT_ID has the value I want. I want to use the
>> same JS code in many php files. But if I include the JS code like
>> this:
>>
>>   <script src="login.js" type="text/javascript">
>>
>> Then that php code does not get run and CLIENT_ID has the literal
>> string '<?php echo $CLIENT_ID; ?>'
>>
>> Is there a way I can reuse my JS file and still have embedded PHP in it?
>
> There might be, but consider to simply pass the required values as data
> to JavaScript instead.  A very simplistic way might be:
>
> PHP file:
>
>   <?php $serverData = ['client_id' => CLIENT_ID']?>
>   <script>var serverData = <?=json_encode($serverData)?></script>
>   <script src="login.js">
>
> JavaScript file (login.js):
>
>   alert(serverData.CLIENT_ID);

Thanks - I did a variation of that and it worked.

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