3v4l.org

run code in 300+ PHP versions simultaneously
<?php $js='{ "code": 1, "page": { "totalpage": 20, "count":10, "curr":1, "totalcount": 180 }, "data": [{ "id":3, "name":"jennifer" "age": 23, "sex": "female" },{ "id":5, "name":"lenbo" "age": 21, "sex": "male" }] }'; $arr=[['name'=>[3,'age'=>4],2],[3,'age'=>4]]; echo json_encode($arr); $test1 = 123; $test2 = 123; function get_variable_name(&$var, $scope = NULL) { if (NULL == $scope) { $scope = $GLOBALS; } $tmp = $var; $var = "tmp_exists_" . mt_rand(); $name = array_search($var, $scope, TRUE); $var = $tmp; return $name; } echo get_variable_name($test1)."\n"; echo get_variable_name($test2);

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