3v4l.org

run code in 300+ PHP versions simultaneously
<?php $body = "This is a body of {{awesome}} text {{blabla}} from a book."; $count = 0; $terms[] = '1'; $terms[] = '2'; echo preg_replace_callback('/\{{2}(.*?)\}{2}/',function($match) use (&$count, $terms) { $return = !empty($terms[$count]) ? $terms[$count] : 'Default value for unknown term'; $count++; return $return; }, $body);
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 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 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0 - 8.5.1
This is a body of 1 text 2 from a book.
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 4.3.0
Parse error: parse error, unexpected T_FUNCTION in /in/Ktaod on line 6
Process exited with code 255.
preferences:
188.84 ms | 408 KiB | 5 Q