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<?php function l($name) { $a = ["a" => "aaa", "b" => ["a"=>"123456"], "c" => ["d"=>["e" =>"1%1"]]]; $keys = explode(".", $name); $key = array_shift($keys); $result = isset($a[$key]) ? $a[$key] : null; foreach($keys as $k) { if(!$result) return $name; $result = $result[$k]; } $args = func_get_args(); foreach($args as $k => $v) $result = str_replace("%{$k}", $v, $result); return $result; } var_dump(l("a")); var_dump(l("b.a")); var_dump(l("b.c")); var_dump(l("c.d.e", 45));
Output for 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
string(3) "aaa" string(6) "123456" Warning: Undefined array key "c" in /in/YcklZ on line 17 Deprecated: str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /in/YcklZ on line 22 string(0) "" string(3) "145"
Output for 8.0.0 - 8.0.30
string(3) "aaa" string(6) "123456" Warning: Undefined array key "c" in /in/YcklZ on line 17 string(0) "" string(3) "145"
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.30, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.31, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
string(3) "aaa" string(6) "123456" Notice: Undefined index: c in /in/YcklZ on line 17 string(0) "" string(3) "145"
Output for 7.3.32 - 7.3.33, 7.4.26
string(3) "aaa" string(6) "123456" string(0) "" string(3) "145"
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/YcklZ on line 7
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/YcklZ on line 7
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/YcklZ on line 7
Process exited with code 255.

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