print r Function In PHP Tutorial Class 19
print_r function in PHP
It is an inbuilt function that is used in PHP to print or display the information stored in a variable. Basically it prints human-readable information about a variable. If the variable is a string, integer or float, the value itself will be printed.
If an array is given, values will be presented in a format that shows keys and elements. Similar notation is used for objects.
Syntax:
print_r(variable, isStore)
variable: It is a mandatory parameter that specifies the variable to be printed.
isStore: It is an optional parameter which is of a boolean type whose default value is FALSE and is used to store the output of the print_r() function in a variable rather than printing it. print_r() function will return the output which it is supposed to print if this parameter is set to TRUE.
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