3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = 'string'; $offset = new stdClass(); $v1 = isset($str[$offset]) ? 'true' : 'false'; var_dump($v1); $v2 = $str[$offset] ?? 'false';
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
string(5) "false" Fatal error: Uncaught TypeError: Cannot access offset of type stdClass on string in /in/aDLLB:8 Stack trace: #0 {main} thrown in /in/aDLLB on line 8
Process exited with code 255.
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.

preferences:
99.86 ms | 407 KiB | 5 Q