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<?php $arr = array(7, NAN, 3,); sort($arr); var_dump($arr); $val = (7 < 3); var_dump($val);
Output for 7.1.10 - 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
array(3) { [0]=> float(NAN) [1]=> int(3) [2]=> int(7) } bool(false)
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 array(3) { [0]=> float(NAN) [1]=> int(3) [2]=> int(7) } bool(false)
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.7
array(3) { [0]=> int(7) [1]=> float(NAN) [2]=> int(3) } bool(false)
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.30
array(3) { [0]=> int(3) [1]=> float(NAN) [2]=> int(7) } bool(false)

preferences:
189.3 ms | 401 KiB | 257 Q