输出过程变量 print_r 或者 var_export

断点 exit();

记录过程变量

ob_start();
print_r($my_var);
$var = ob_get_contents();
ob_end_clean();
$open=@fopen(‘var.txt’,"w");
@fwrite($open,$var);
fclose($open);

输出类成员函数列表

print_r(get_class_methods("SimpleXMLElement"));  

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