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<?php $a1 = array(); $a2 = array(1 => 'data'); $result = array_merge($a1, $a2); var_dump($result); $a2 = array("1" => 'data'); $result = array_merge($a1, $a2); var_dump($result); $a2 = array("a" => 'data'); $result = array_merge($a1, $a2); var_dump($result);
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 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, 5.6.8 - 5.6.21, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.5 - 7.2.33, 7.3.16 - 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(1) { [0]=> string(4) "data" } array(1) { [0]=> string(4) "data" } array(1) { ["a"]=> string(4) "data" }
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(1) { [0]=> string(4) "data" } array(1) { [0]=> string(4) "data" } array(1) { ["a"]=> string(4) "data" }

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173.97 ms | 402 KiB | 311 Q