The content of this article is to share with you how PHP interacts with js data. It has a certain reference value. Friends in need can refer to it
There are two types of PHP and js There are two transmission methods: one is to use URL, and the other is to transmit within an interface.
The method of transferring under the same interface is as follows:
<html> <title></title> <body> <?php $a=1; echo "<script>var b=\"$a\"</script>"; ?> <script language="javascript"> alert(b); </script> </body> </html>
The effect is as follows: 
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Data interaction between PHP and JS
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