PHP Global Keyword:– Global keyword is used in php if we want to access a global variable inside a function.
PHP Global Keyword | Example
Let us take an exampmle to understand global keyword in php.
Example
<?php $x=10;
function play(){
$y=20;
echo $y;
echo $x;// compile error
echo "<br?>";
echo "hey";
echo "<br/>";
}
play();
echo $x;
echo $y;//compile error
?>
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