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1. www.php.net › manual › enPHP: print_r - Manual

   www.php.net › manual › en

   Learn how to use the print_r function in PHP to display human-readable information about a variable's contents. Includes syntax, parameters, and examples.

   • Gettype

     gettype (PHP 4, PHP 5, PHP 7, PHP 8) gettype — Get the type...

   • Floatval

     Return Values ¶ The float value of the given variable. Empty...

   • Boolval

     boolval (PHP 5 >= 5.5.0, PHP 7, PHP 8) boolval — Get the...

   • Settype

     settype (PHP 4, PHP 5, PHP 7, PHP 8) settype — Set the type...

   • Serialize

     Parameters ¶ value The value to be serialized. serialize ()...

   • Intval

     intval (PHP 4, PHP 5, PHP 7, PHP 8) intval — Get the integer...

   • Doubleval

     Alias of floatval

   • Isset

     Determine if a variable is considered set, this means if a...

2. www.w3schools.com › php › func_var_print_rPHP print_r () Function - W3Schools

   www.w3schools.com › php › func_var_print_r

   The PHP print_r() function displays information about a variable in a human-readable format.

3. www.geeksforgeeks.org › php › php-print_r-functionPHP | print_r() Function - GeeksforGeeks

   www.geeksforgeeks.org › php › php-print_r-function

   Jul 11, 2025 · Your All-in-One Learning Portal: GeeksforGeeks is a comprehensive educational platform that empowers learners across domains-spanning computer science and programming, school education, upskilling, commerce, software tools, competitive exams, and more.

4. www.learningaboutelectronics.com › Articles › PHPPHP- print_r () Function - Learning about Electronics

   www.learningaboutelectronics.com › Articles › PHP

   PHP- print_r () Function In this article, we will go over the PHP print_r () function. The print_r () function is a function which can be used to show the contents, or make-up, of an array. Let's say, for example, we create the following array in PHP.

5. www.tutorialspoint.com › php › php_print_r_functionPHP Variable Handling print_r () Function

   www.tutorialspoint.com › php › php_print_r_function

   The PHP Variable Handling print_r () function is used to display information about a variable in an understandable format. It is useful for checking the contents of an array or object. This function prints the data in a simple format, including keys and values. It works with a variety of data types, including numbers, texts, arrays, and objects.

6. onlinephp.io › print-r › manualprint_r - OnlinePHP.io Example

   onlinephp.io › print-r › manual

   Execute print_r Online. Info and examples on print_r PHP Function from Variable handling - Variable and Type Related Extensions

7. People also ask

   What is print_R function in PHP?

   • The print_r () function is a built-in function in PHP and is used to print or display information stored in a variable. Syntax: Parameters: This function accepts two parameters as shown in above syntax and described below. $variable: This parameter specifies the variable to be printed and is a mandatory parameter.

   PHP | print_r() Function - GeeksforGeeks

   www.geeksforgeeks.org/php/php-print_r-function/

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   How to print a variable in PHP?

   • ❮ PHP Variable Handling Reference Print the information about some variables in a more human-readable way: The print_r () function prints the information about a variable in a more human-readable way. Required. Specifies the variable to return information about Optional. When set to true, this function will return the information (not print it).

   PHP print_r () Function - W3Schools

   www.w3schools.com/php/func_var_print_r.asp

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   How to print an array in PHP?

   • An array is a special object in PHP. A programmer cannot print out the contents of an array, as shown above, simply with the echo or print function. However, applying the print_r () function, can be used for showing all of the contents of an array. The following print_r () function shows all of the contents of the array.

   PHP- print_r () Function - Learning about Electronics

   www.learningaboutelectronics.com/Articles/PHP-print_r()-function.php

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   What is a print_R function in JavaScript?

   • If the variable is an array the function prints the array in a format which displays the keys as well as values, a similar notation is used for objects. If the parameter $isStore is set to TRUE then the print_r () function will return a string containing the information which it is supposed to print.

   PHP | print_r() Function - GeeksforGeeks

   www.geeksforgeeks.org/php/php-print_r-function/

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8. www.w3docs.com › learn-php › print-rPrint_r () - W3docs

   www.w3docs.com › learn-php › print-r

   The print_r () function is a built-in function in PHP that prints a human-readable representation of a variable to the output. It is commonly used for debugging