3v4l.org

run code in 300+ PHP versions simultaneously
<?php $stream = fopen('php://memory', 'w+'); fwrite($stream, 'something something'); stream_filter_append($stream, 'zlib.deflate', STREAM_FILTER_READ, ['level' => 6]); rewind($stream); var_dump(fread($stream, 1024));
Output for 5.5.21 - 5.5.38, 5.6.5 - 5.6.38, 7.0.0 - 7.0.31, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
string(14) "+��M-���KW(��"
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.20, 5.6.0 - 5.6.4
string(0) ""
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/RRJ8b on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/RRJ8b on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/RRJ8b on line 5
Process exited with code 255.
preferences:
142.59 ms | 411 KiB | 5 Q