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PHP Case Sensitivity CODE
In PHP, keywords (e.g. if, else, while, echo, etc.), classes, functions, and user-defined functions are not case-sensitive. In the example below, all three echo statements below are equal and legal: 
<!DOCTYPE html>
<html>
<body>

<?php
ECHO "Hello World!<br>";
echo "Hello World!<br>";
EcHo "Hello World!<br>";
?>

</body>
</html>
Note: However; all variable names are case-sensitive!
by Tinatin Kvinikadze
2 years ago
PHP
Case Sensitivity
0
Pro tip: use ```triple backticks around text``` to write in code fences