3v4l.org

run code in 300+ PHP versions simultaneously
<?php function xor_this($string) { // Let's define our key here $key = ('12341234'); // Our plaintext/ciphertext $text ='adeabecc'; // 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; } $txt = xor_this('adeabecc'); echo xor_this('adeabecc');
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Fatal error: Array and string offset access syntax with curly braces is no longer supported in /in/3Ks4X on line 19
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/3Ks4X on line 19 Deprecated: Array and string offset access syntax with curly braces is deprecated in /in/3Ks4X on line 19 Deprecated: Array and string offset access syntax with curly braces is deprecated in /in/3Ks4X on line 20 i=0, j=0, P<br />i=1, j=1, V<br />i=2, j=2, V<br />i=3, j=3, U<br />i=4, j=4, S<br />i=5, j=5, W<br />i=6, j=6, P<br />i=7, j=7, W<br />i=0, j=0, P<br />i=1, j=1, V<br />i=2, j=2, V<br />i=3, j=3, U<br />i=4, j=4, S<br />i=5, j=5, W<br />i=6, j=6, P<br />i=7, j=7, W<br />PVVUSWPW
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
i=0, j=0, P<br />i=1, j=1, V<br />i=2, j=2, V<br />i=3, j=3, U<br />i=4, j=4, S<br />i=5, j=5, W<br />i=6, j=6, P<br />i=7, j=7, W<br />i=0, j=0, P<br />i=1, j=1, V<br />i=2, j=2, V<br />i=3, j=3, U<br />i=4, j=4, S<br />i=5, j=5, W<br />i=6, j=6, P<br />i=7, j=7, W<br />PVVUSWPW

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246.93 ms | 403 KiB | 326 Q