PHP print_r() Function With Example — Phpflow.com
This PHP tutorial helps you to learn basic print_r
statement with examples. The print_r() PHP function is used to return an array in a human readable form.
The print_r() displays information about a variable in a way that’s readable by humans.
pre tag
We’ll use pre tag to display print_r()
method returned value. The 'pre' tag denotes that the code has been preformatted. The text will be shown in a fixed-width font with this tag. It maintains line breaks and spaces, making it easier to read for humans.
Syntax :
- var_name : The variable being printed.
- return_output : It helps to capture the output in a variable, the parameter should set
TRUE
. The default value isFALSE
.
Return Value: print_r(var_name, return_output)
If the variable is an integer or a float or a string the function returns the value of the variable.
If the variable is an array the function returns keys and elements, a similar notation is used for the object. Setting TRUE to return_output parameter the function returns a string.
Output :
Sample Example PHP print_r()
The print_r(), var_dump() and var_export() will also show protected and private properties of objects. Static class members will not be shown.
The difference of the var_dump() and var_export() is that var_export returns valid PHP code, whereas var_dump does not.
Originally published at https://www.phpflow.com on April 23, 2022.