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<?php $array = ['1','2','3']; var_dump($array, json_encode($array)); unset($array[1]); $array_new = array_values($array); var_dump($array, json_encode($array)); var_dump($array_new, json_encode($array_new));
Output for 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
array(3) { [0]=> string(1) "1" [1]=> string(1) "2" [2]=> string(1) "3" } string(13) "["1","2","3"]" array(2) { [0]=> string(1) "1" [2]=> string(1) "3" } string(17) "{"0":"1","2":"3"}" array(2) { [0]=> string(1) "1" [1]=> string(1) "3" } string(9) "["1","3"]"
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]=> string(1) "1" [1]=> string(1) "2" [2]=> string(1) "3" } string(13) "["1","2","3"]" array(2) { [0]=> string(1) "1" [2]=> string(1) "3" } string(17) "{"0":"1","2":"3"}" array(2) { [0]=> string(1) "1" [1]=> string(1) "3" } string(9) "["1","3"]"

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