3v4l.org

run code in 300+ PHP versions simultaneously
<?php $student_comment_new = 'PDI+PEwuMDIwMzEwNDAwODAtVC01UC01PlJvbiBDb21tZW50IDI8ZS4yPg=='; $fixed = base64_decode($student_comment_new); echo $fixed . "\n\n"; //Decode the entire comment $comment_cltxt = base64_decode($student_comment_new); echo $comment_cltxt . "\n\n"; //get the comment number. $comment_nr = explode('><L.', $comment_cltxt)[0]; $comment_nr = explode('<', $comment_nr)[1]; //get the comment end-text $comment_nr_string = '<' . $comment_nr . '>'; $comment_end_string = '<e.' . $comment_nr . '>'; echo $comment_nr . "\n"; echo $comment_nr_string . "\n"; echo $comment_end_string . "\n"; //get the comment text itself $pos1 = substr($comment_cltxt, 0, strlen($comment_nr_string)); $pos2 = substr($comment_cltxt, strlen($comment_cltxt) - strlen($comment_end_string)); $comment_text = substr($comment_cltxt, $pos1, $pos2); echo $comment_text . "\n";
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
<2><L.02031040080-T-5P-5>Ron Comment 2<e.2> <2><L.02031040080-T-5P-5>Ron Comment 2<e.2> 2 <2> <e.2> Fatal error: Uncaught TypeError: substr(): Argument #2 ($offset) must be of type int, string given in /in/QWZ8d:28 Stack trace: #0 /in/QWZ8d(28): substr('<2><L.020310400...', '<2>', '<e.2>') #1 {main} thrown in /in/QWZ8d on line 28
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 <2><L.02031040080-T-5P-5>Ron Comment 2<e.2> <2><L.02031040080-T-5P-5>Ron Comment 2<e.2> 2 <2> <e.2> Fatal error: Uncaught TypeError: substr(): Argument #2 ($offset) must be of type int, string given in /in/QWZ8d:28 Stack trace: #0 /in/QWZ8d(28): substr('<2><L.020310400...', '<2>', '<e.2>') #1 {main} thrown in /in/QWZ8d on line 28
Process exited with code 255.
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
<2><L.02031040080-T-5P-5>Ron Comment 2<e.2> <2><L.02031040080-T-5P-5>Ron Comment 2<e.2> 2 <2> <e.2> Warning: substr() expects parameter 2 to be int, string given in /in/QWZ8d on line 28
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33
<2><L.02031040080-T-5P-5>Ron Comment 2<e.2> <2><L.02031040080-T-5P-5>Ron Comment 2<e.2> 2 <2> <e.2> Warning: substr() expects parameter 2 to be integer, string given in /in/QWZ8d on line 28
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
<2><L.02031040080-T-5P-5>Ron Comment 2<e.2> <2><L.02031040080-T-5P-5>Ron Comment 2<e.2> 2 <2> <e.2> Warning: substr() expects parameter 2 to be long, string given in /in/QWZ8d on line 28
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222.07 ms | 402 KiB | 330 Q