PHP basics,

PHP basics,
Basic commands

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• Killing process: tskill PID

 

PHP Basics

• • $ _ GET ["name to be obtained"];
    
    

2. PHP Data Output

• • Echo or print: outputs a string that is not formatted;
  • Difference: echo can output multiple strings at the same time (strings can be separated by commas );
    Print can only output one string at a time;
  • Printf () function: outputs formatted strings;
  • For data of the composite data type (such as an array or object), you can use the print_r () function for output;
    • When outputting data, the data is output in the form of "key" => "value" pair or "member variable name" => "value;
  • Output OPERATOR: <? ==> Output string data;
    • Note: The output operator <? ==> .