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<?php $array1 = array('one','two','three'); $array2 = array(); $array3 = array ('four'); $array4 = array ('five','six'); check([&$array1,&$array2,&$array3,&$array4]); function check($arr){ foreach ($arr as $k=>$value) { if(empty($value) == false){ $arr[$k] = "nothing"; return $arr[$k]; } else{ return $arr[$k]; } } } var_dump($array2); //actual output : empty //expect output : 0 => string 'nothing' ?>
Output for 5.5.0 - 5.5.36, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 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(0) { }
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(0) { }

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