1 Built-in API output debugging 1.1 Basic Debugging API 1.1.1 echo (print ): 1.1.2 printf 1.1.3 print_r, var_dump (var_export), debug_zval_dump 1.2 debugging of Error Control and logging 1.2.1 error Option Control 1.2.2 error throw and handling 1.2.3 use error blocker 1.2.4 log records 2 browser debugging 2.1 page output debugging 2.2 firephp debugging 2.2.1 common variable monitoring 2.2.2 call stack monitoring 2.2.3 monitoring throws an exception 2.2.4 group display information 3 ide debugging 3.1 Introduction to commonly used ides 3.1.1 Vim 3.1.2 Zend Studio 3.1.3 eclipse 3.1.4 netbeans 3.2 ide debugging 3.2.1 Zend studio + Zend Debugger 3.2.2 eclipse (PDT) + xdebug 3.2.3 VIM + xdebug + dbgp 4. php performance debugging technology 4.1 Basic time occupation monitoring 4.2 Use xdebug for Performance Analysis 4.2.1 Installation and Configuration: 4.3 APD (Advanced PHP debugger) 4.3.1 installation and configuration 4.3.2 Use APD 4.4 use xhprof for Performance Analysis 4.4.1 advantages of xhprof: 5 PHP Unit Testing Technology 5.1 phpunit |