3v4l.org

run code in 300+ PHP versions simultaneously
<?php function xor_this($string) { // Let's define our key here $key = ('magic_key'); // Our plaintext/ciphertext $text =$string; // Our output text $outText = ''; // Iterate through each character for($i=0;$i<strlen($text);) { for($j=0;($j<strlen($key) && $i<strlen($text));$j++,$i++) { $outText .= $text{$i} ^ $key{$j}; //echo 'i='.$i.', '.'j='.$j.', '.$outText{$i}.'<br />'; //for debugging } } return $outText; } $textToObfuscate = "Some Text 12345"; $obfuscatedText = xor_this($textToObfuscate); $restoredText = xor_this($obfuscatedText); echo obfuscatedText.'<br>'.restoredText; ?>
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Array and string offset access syntax with curly braces is no longer supported in /in/ZA4Aj on line 18
Process exited with code 255.
Output for 7.4.0 - 7.4.33
Deprecated: Array and string offset access syntax with curly braces is deprecated in /in/ZA4Aj on line 18 Deprecated: Array and string offset access syntax with curly braces is deprecated in /in/ZA4Aj on line 18 Warning: Use of undefined constant obfuscatedText - assumed 'obfuscatedText' (this will throw an Error in a future version of PHP) in /in/ZA4Aj on line 29 Warning: Use of undefined constant restoredText - assumed 'restoredText' (this will throw an Error in a future version of PHP) in /in/ZA4Aj on line 29 obfuscatedText<br>restoredText
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
Warning: Use of undefined constant obfuscatedText - assumed 'obfuscatedText' (this will throw an Error in a future version of PHP) in /in/ZA4Aj on line 29 Warning: Use of undefined constant restoredText - assumed 'restoredText' (this will throw an Error in a future version of PHP) in /in/ZA4Aj on line 29 obfuscatedText<br>restoredText
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33
Notice: Use of undefined constant obfuscatedText - assumed 'obfuscatedText' in /in/ZA4Aj on line 29 Notice: Use of undefined constant restoredText - assumed 'restoredText' in /in/ZA4Aj on line 29 obfuscatedText<br>restoredText
preferences:
293.21 ms | 404 KiB | 456 Q