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This article mainly explains "what are the useful functions of php". The content of the explanation in the article is simple and clear, and it is easy to learn and understand. Please follow the editor's train of thought to study and learn what useful functions php has.

Php interesting functions are: 1, cli_set_process_title function; 2, memory_get_peak_usage function; 3, memory_get_usage function; 4, get_cfg_var function and so on.

This article operating environment: windows7 system, PHP7.1 version, DELL G3 computer

What are the interesting functions of php?

Php has some interesting functions:

Cli_set_process_title ('abcd'); give the current php process a famous name

Echo cli_get_process_title (); gets the name of the current php process

It only works on php-cli.

The memory_get_peak_usage () function returns the peak memory usage

Memory_get_usage () returns the amount of memory currently allocated to the PHP script

Get_cfg_var ('error_reporting'); get the value of the PHP configuration option

Get_current_user () gets the owner name of the current PHP script and the computer user name

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