3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Example { public function foo() { show_backtrace(); } } function show_backtrace() { echo "No options:\n"; print_r(debug_backtrace(0)); echo "\n\nObject:\n"; print_r(debug_backtrace(DEBUG_BACKTRACE_PROVIDE_OBJECT)); echo "\n\nNo args:\n"; print_r(debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS)); echo "\n\nObject, no args:\n"; print_r(debug_backtrace(DEBUG_BACKTRACE_PROVIDE_OBJECT | DEBUG_BACKTRACE_IGNORE_ARGS)); } $e = new Example(); $e->foo();
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 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 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0
No options: Array ( [0] => Array ( [file] => /in/qj87i [line] => 4 [function] => show_backtrace [args] => Array ( ) ) [1] => Array ( [file] => /in/qj87i [line] => 19 [function] => foo [class] => Example [type] => -> [args] => Array ( ) ) ) Object: Array ( [0] => Array ( [file] => /in/qj87i [line] => 4 [function] => show_backtrace [args] => Array ( ) ) [1] => Array ( [file] => /in/qj87i [line] => 19 [function] => foo [class] => Example [object] => Example Object ( ) [type] => -> [args] => Array ( ) ) ) No args: Array ( [0] => Array ( [file] => /in/qj87i [line] => 4 [function] => show_backtrace ) [1] => Array ( [file] => /in/qj87i [line] => 19 [function] => foo [class] => Example [type] => -> ) ) Object, no args: Array ( [0] => Array ( [file] => /in/qj87i [line] => 4 [function] => show_backtrace ) [1] => Array ( [file] => /in/qj87i [line] => 19 [function] => foo [class] => Example [object] => Example Object ( ) [type] => -> ) )
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:
66.1 ms | 409 KiB | 5 Q