3v4l.org

run code in 300+ PHP versions simultaneously
<?php class rotate_filter_nw extends php_user_filter { function filter($in, $out, &$consumed, $closing) { while ($bucket = stream_bucket_make_writeable($in)) { $this->rotate($bucket->data); $consumed += $bucket->datalen; stream_bucket_prepend($out, $bucket); } return PSFS_PASS_ON; } function rotate(&$data) { $n = strlen($data); for ($i = 0; $i < $n - 1; ++$i) { $data[$i] = $data[$i + 1]; } } } stream_filter_register("rotator_notWorking", rotate_filter_nw::class); $stream = fopen('php://memory', 'w+'); fwrite($stream, 'hello, world'); rewind($stream); stream_filter_append($stream, "rotator_notWorking"); var_dump(stream_get_contents($stream));
Output for 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0
Deprecated: Return type of rotate_filter_nw::filter($in, $out, &$consumed, $closing) should either be compatible with php_user_filter::filter($in, $out, &$consumed, bool $closing): int, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/lQ88Q on line 5 string(12) "ello, worldd"
Output for 8.4.15
/bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.3.23 - 7.3.33, 7.4.11 - 7.4.33, 8.0.0 - 8.0.30
string(12) "ello, worldd"
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.22, 7.4.0 - 7.4.10
string(12) "hello, world"
Output for 5.4.0 - 5.4.45
Parse error: syntax error, unexpected 'class' (T_CLASS), expecting identifier (T_STRING) or variable (T_VARIABLE) or '{' or '$' in /in/lQ88Q on line 25
Process exited with code 255.
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 T_CLASS, expecting T_STRING or T_VARIABLE or '$' in /in/lQ88Q on line 25
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_CLASS, expecting T_STRING or T_VARIABLE or '$' in /in/lQ88Q on line 25
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_STRING' or `T_VARIABLE' or `'$'' in /in/lQ88Q on line 25
Process exited with code 255.
preferences:
224.39 ms | 416 KiB | 5 Q