variável php javascript
<script type="text/javascript">
var php_var = "<?php echo $php_var; ?>";
</script>
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<script type="text/javascript">
var php_var = "<?php echo $php_var; ?>";
</script>//passing PHP variable to JavaScript
var myJSVar = <?php echo json_encode($myPHPVar); ?>;<script type="text/javascript">
// boolean outputs "" if false, "1" if true
var bool = "<?php echo $bool ?>";
// numeric value, both with and without quotes
var num = <?php echo $num ?>; // 7
var str_num = "<?php echo $num ?>"; // "7" (a string)
var str = "<?php echo $str ?>"; // "A string here"
</script>