database - Disable radio button based on PHP function -

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i want call javascript function based on result coming php script.

if ($verify == 'y' , $approve== 'y' , $approve_2=='y') {          $state = "disable";     } else {          $state = "undisable";      }

below javascript function

function disable() {                 document.getelementbyid("approvedd1").disabled = true;                 document.getelementbyid("approvedd2").disabled = true; }  function undisable() {                 document.getelementbyid("approvedd1").disabled = false;                 document.getelementbyid("approvedd2").disabled = false; }  document.onreadystatechange = <?php echo $state; ?>()

this not work. want call function can disable radio button, when page has loaded.

the current output of java script be

function disable() {             document.getelementbyid("approvedd1").disabled = true;             document.getelementbyid("approvedd2").disabled = true; }  function undisable() {             document.getelementbyid("approvedd1").disabled = false;             document.getelementbyid("approvedd2").disabled = false; }  document.onreadystatechange = disabled/undisabled()

better can try

php

if ($verify == 'y' , $approve== 'y' , $approve_2=='y') {      $state = "true"; } else {      $state = "false";  }

java script

 document.onreadystatechange = myfun() {     document.getelementbyid("approvedd1").disabled = <?php echo $state; ?>;     document.getelementbyid("approvedd2").disabled = <?php echo $state; ?>;  }

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