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<?php class MyClass { protected $arr; public function __construct() { $this->arr = array(); } public function getArr() { return $this->arr; } public function append($arr) { $this->arr[] = $arr; } public function merge($arr) { $this->arr = array_merge($this->arr, $arr); } } $arr = array('a','b'); $obj = new MyClass(); $obj->append($arr);//使用append无法修改类属性 var_dump($obj->getArr()); //output : //array(0){} $obj->merge($arr);//使用merge可以 var_dump($obj->getArr()); //output: //array(2){'a','b'}
Output for 5.0.0 - 5.0.5, 5.1.1 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.35, 5.6.0 - 5.6.21, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
array(1) { [0]=> array(2) { [0]=> string(1) "a" [1]=> string(1) "b" } } array(3) { [0]=> array(2) { [0]=> string(1) "a" [1]=> string(1) "b" } [1]=> string(1) "a" [2]=> string(1) "b" }
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/Di7gT on line 36
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/Di7gT on line 4
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
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/Di7gT on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/Di7gT on line 4
Process exited with code 255.
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276.38 ms | 401 KiB | 387 Q