Why does PHP throw a parse error for the <?xml version="1.0" ?> declaration?

PHP throws a parse error for the <?xml version="1.0" ?> declaration because it is not valid PHP syntax. To solve this issue, you can simply remove the <?xml version="1.0" ?> declaration from your PHP code, as it is not necessary when writing PHP scripts. PHP is primarily used for generating dynamic content, not for processing XML declarations. 

&lt;?php
// Your PHP code here
echo &quot;Hello, World!&quot;;
?&gt;

Keywords

PHP parse error XML declaration syntax error version 1.0

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