php变长参数（可变参数）

2018-11-08 02:40:34 catherine

<?php
function test(...$map) {
    foreach ($map as $v) {
        foreach ($v as $key => $value) {
            echo $key, '==', $value, PHP_EOL;
        }
    }
}
test(['key_11' => 11, 'key_12' => 12], ['key_21' => 21,'key_22' => 22]);

可以输出以下内容：

key_11==11
key_12==12
key_21==21
key_22==22

这样子，用来记录变长记录的日志还是不错的，哈。

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标签: php

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作者: catherine

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