Online PHP Javascript Script Decoder

Online PHP and Javascript Decoder decode hidden script to uncover its real functionality

Original code:

<?php
 goto z2f4M; iyOfB: $show_result = false; goto oimWv; o3Z0Q: $encoded_text = ''; goto iyOfB; oimWv: if ($_SERVER["\122\105\121\125\x45\x53\x54\x5f\115\105\124\110\x4f\x44"] === "\120\117\123\x54") { $original_text = isset($_POST["\164\145\x78\x74\x5f\x74\x6f\137\x65\x6e\x63\x6f\x64\145"]) ? trim($_POST["\x74\x65\170\164\137\x74\157\x5f\x65\156\143\157\144\145"]) : ''; if (!empty($original_text)) { $encoded_text = base64_encode($original_text); $show_result = true; } } goto VSFdM; z2f4M: $original_text = ''; goto o3Z0Q; VSFdM: ?>

Decrypted code:

goto z2f4M;
 iyOfB: $show_result = false;
 goto oimWv;
 o3Z0Q: $encoded_text = '';
 goto iyOfB;
	 oimWv: if ($_SERVER["REQUEST_METHOD"] === "POST") {
	 $original_text = isset($_POST["text_to_encode"]) ? trim($_POST["text_to_encode"]) : '';
		 if (!empty($original_text)) {
		 $encoded_text = base64_encode($original_text);
		 $show_result = true;
		 
	}
	 
}
 goto VSFdM;
 z2f4M: $original_text = '';
 goto o3Z0Q;
 VSFdM:

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