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run code in 300+ PHP versions simultaneously
<?php error_reporting(~E_NOTICE); echo (int) isset( $a ); // false and w/o error msg echo (int) empty( $a ); // true (false and 0 empty, too echo (int) is_null( $a ); // true and error msg echo (int) (null === $a); // true and error msg
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
01 Warning: Undefined variable $a in /in/KpFPV on line 5 1 Warning: Undefined variable $a in /in/KpFPV on line 6 1
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 01 Warning: Undefined variable $a in /in/KpFPV on line 5 1 Warning: Undefined variable $a in /in/KpFPV on line 6 1
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.1 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33
0111
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/KpFPV on line 6
Process exited with code 255.

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