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<?php $types = [ [null, null], [null, -2], [null, 2], [-2, null], [2, null], [-2, 2], ]; $a = 'f'; foreach($types as $key => $type) { echo "(interval[".($type[0]??'-∞').",".($type[1]??'∞')."] * -1) = -(interval[".($type[0]??'-∞').",".($type[1]??'∞')."]);\r\n"; }
Output for 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 - 8.3.4, 8.3.6 - 8.3.26, 8.4.1 - 8.4.13
(interval[-∞,∞] * -1) = -(interval[-∞,∞]); (interval[-∞,-2] * -1) = -(interval[-∞,-2]); (interval[-∞,2] * -1) = -(interval[-∞,2]); (interval[-2,∞] * -1) = -(interval[-2,∞]); (interval[2,∞] * -1) = -(interval[2,∞]); (interval[-2,2] * -1) = -(interval[-2,2]);
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 (interval[-∞,∞] * -1) = -(interval[-∞,∞]); (interval[-∞,-2] * -1) = -(interval[-∞,-2]); (interval[-∞,2] * -1) = -(interval[-∞,2]); (interval[-2,∞] * -1) = -(interval[-2,∞]); (interval[2,∞] * -1) = -(interval[2,∞]); (interval[-2,2] * -1) = -(interval[-2,2]);
preferences:
152.04 ms | 409 KiB | 5 Q