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<?php var_dump("0xA" == "10"); $a["0xA"] = true; var_dump($a["10"]); var_dump($a);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
bool(false) Warning: Undefined array key 10 in /in/oXkQ9 on line 5 NULL array(1) { ["0xA"]=> bool(true) }
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 bool(false) Warning: Undefined array key 10 in /in/oXkQ9 on line 5 NULL array(1) { ["0xA"]=> bool(true) }
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
bool(false) Notice: Undefined offset: 10 in /in/oXkQ9 on line 5 NULL array(1) { ["0xA"]=> bool(true) }
Output for 7.3.32 - 7.3.33
bool(false) NULL array(1) { ["0xA"]=> bool(true) }
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
bool(true) Notice: Undefined offset: 10 in /in/oXkQ9 on line 5 NULL array(1) { ["0xA"]=> bool(true) }

preferences:
180.96 ms | 402 KiB | 226 Q