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<?php $arr = array(); $arr["abc"] = array("sex" => 100, "age" => 18); $arr["bcd"] = array("sex" => 200, "age" => 19); $arr["cde"] = array("sex" => 250, "age" => 17); $arr2 = array(); foreach ($arr as $name => $item) { $item2 = &$arr2[$name]; $item2["sex"] = $item["sex"] + 300; $item2["age"] = $item["age"] + 2; } //unset($item2); foreach ($arr2 as $name => $item2) { echo "name: $name, age: " . $item2['age'] . ", sex: " . $item2['sex'] . PHP_EOL; } echo "too little".PHP_EOL; //unset($item2); $item2 = array("age" => 30, "sex" => 1000); print_r($item2); echo "next step".PHP_EOL; foreach ($arr2 as $name => $item) { echo "name: $name, age: " . $item['age'] . ", sex: " . $item['sex'] . PHP_EOL; }
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name: abc, age: 20, sex: 400 name: bcd, age: 21, sex: 500 name: cde, age: 19, sex: 550 too little Array ( [age] => 30 [sex] => 1000 ) next step name: abc, age: 20, sex: 400 name: bcd, age: 21, sex: 500 name: cde, age: 19, sex: 550
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name: abc, age: 20, sex: 400 name: bcd, age: 21, sex: 500 name: cde, age: 21, sex: 500 too little Array ( [age] => 30 [sex] => 1000 ) next step name: abc, age: 20, sex: 400 name: bcd, age: 21, sex: 500 name: cde, age: 21, sex: 500
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name: abc, age: 20, sex: 400 name: bcd, age: 21, sex: 500 name: cde, age: 21, sex: 500 too little Array ( [age] => 30 [sex] => 1000 ) next step name: abc, age: 20, sex: 400 name: bcd, age: 21, sex: 500 name: cde, age: 30, sex: 1000
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$item2 = array("age" => 30, "sex" => 1000);
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unset($item2);
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