print_r
print_r — Prints human-readable information about a variable.Description
print_r( mixed $value,print_r() displays information about a variable in a way that's readable by humans. print_r(), var_dump() and var_export() will also show protected and private properties of objects. Static class members will not be shown.
bool $return = false ): string|bool
Parameters
value
The expression to be printed.
return
If you would like to capture the output of print_r(), use the return parameter. When this parameter is set to true, print_r() will return the information rather than print it.
Return Values
If given a string, int or float, the value itself will be printed. If given an array, values will be presented in a format that shows keys and elements. Similar notation is used for objects. When the return parameter is true, this function will return a string. Otherwise, the return value is true.More information about print_r on official PHP documentation site
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