trycatchfinally

清疚 2023-06-23 15:24 16阅读 0赞

<?php
    
    function test()
    {
        $str = "hello";
        try {
            return $str;
        } finally {
            $str = "world";
        }
    }
    
    function test1()
    {
        $arr = new stdClass();
        $arr->name = 'silk';
        try {
            return $arr;
        } finally {
            $arr->name = "xiaoyang";
        }
    }
    
    function test2()
    {
        $arr = [
            'name' => 'silk',
            'age' => 18
        ];
        try {
            return $arr;
        } finally {
            $arr['name'] = "xiaoyang";
        }
    }
    
    function test3()
    {
        $i = 0;
        try {
            return ++$i;
        } finally {
            $i = $i + 2;
        }
    }
    
    function test4()
    {
        $i = 0;
        try {
    //        return ++$i;
            throw new Exception("new Exception");
        } catch (Exception $e) {
            return --$i;
        } finally {
            return --$i;
        }
    }
    
    var_dump(test());
    var_dump(test1());
    var_dump(test2());
    var_dump(test3());
    var_dump(test4());

trycatchfinally

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