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<?php $name="why";//声明变量$name,并初始化 function echoName1() { //在函数echoName1()里使用global来声明$name global $name; echo "the first name is ".$name."<br>"; } function echoName2() { //在函数echoName2()里没有使用global来声明$name echo "the second name is ".$name."<br>"; } echoName1(); echoName2(); $last_name = "O'Keefe"; echo $sql = "select * from users where last_name = '" . addslashes($last_name) . "'"; //这是一个测试的类,里面没有属性和方法 class Test { //调用不存的方法时自动调用的方法,第一个参数为方法名,第二个参数是数组参数 function __call($function_name, $args) { print "你所调用的函数:$function_name(参数:"; print_r($args); echo ")不存在!<br> "; } } //产生一个Test类的对象 $test=new Test(); //调用对象里不存在的方法 $test->demo("one", "two", "three"); //程序不会退出可以执行到这里 echo "this is a test<br>";
Output for 5.0.4 - 7.2.0
the first name is why<br> Notice: Undefined variable: name in /in/NJp8Z on line 16 the second name is <br>select * from users where last_name = 'O\'Keefe'你所调用的函数:demo(参数:Array ( [0] => one [1] => two [2] => three ) )不存在!<br> this is a test<br>
Output for 5.0.0 - 5.0.3
the first name is why<br> Notice: Undefined variable: name in /in/NJp8Z on line 16 the second name is <br>select * from users where last_name = 'O\'Keefe'你所调用的函数:demo(参数:Array ( [0] => one [1] => two [2] => three ) )不存在!<br> this is a test<br>
Output for 4.4.5 - 4.4.9
the first name is why<br> Notice: Undefined variable: name in /in/NJp8Z on line 16 the second name is <br>select * from users where last_name = 'O\'Keefe' Fatal error: Call to undefined method: test->demo() in /in/NJp8Z on line 42
Process exited with code 255.
Output for 4.3.2 - 4.4.4
the first name is why<br> Notice: Undefined variable: name in /in/NJp8Z on line 16 the second name is <br>select * from users where last_name = 'O\'Keefe' Fatal error: Call to undefined function: demo() in /in/NJp8Z on line 42
Process exited with code 255.
Output for 4.3.0 - 4.3.1
the first name is why<br> Notice: Undefined variable: name in /in/NJp8Z on line 16 the second name is <br>select * from users where last_name = 'O\'Keefe' Fatal error: Call to undefined function: demo() in /in/NJp8Z on line 42