php-debug tagged requests and articles
Categorized request examples and articles tagged with [php-debug] keyword How to delay execution of a script in PHP using sleep()?
The PHP sleep() function pauses script execution for a specified number of seconds. The sleep() function takes only one argument, which specifies how long to pause the script. The primary purpose of using the PHP sleep() function is to debug and troubleshoot code and simulate long-running tasks or requests. Using the sleep() function on production servers is not recommended due to the potential risk of reducing web application performance. In this PHP Sleep Example, we pause the execution of a script for a specified number of seconds using the sleep() function. Click Execute to run the PHP Sleep Example online and see the result.
How to print variables in PHP using print_r?
The print_r function in PHP allows you to print the contents of variables, arrays, and objects in a human-readable format. Primary print_r is used for debugging since it lets you visually inspect data structures' contents. To use print_r, pass the variable you want to inspect as the first argument to the function. If you want the output returned as a string rather than printed to the screen, specify true as the second argument to the function. In this PHP print_r example, we print the contents of a variable on the screen and save it to a string. Click Execute to run the PHP print_r example online and see the result.
The PHP sleep() function pauses script execution for a specified number of seconds. The sleep() function takes only one argument, which specifies how long to pause the script. The primary purpose of using the PHP sleep() function is to debug and troubleshoot code and simulate long-running tasks or requests. Using the sleep() function on production servers is not recommended due to the potential risk of reducing web application performance. In this PHP Sleep Example, we pause the execution of a script for a specified number of seconds using the sleep() function. Click Execute to run the PHP Sleep Example online and see the result.
How to print variables in PHP using print_r?
The print_r function in PHP allows you to print the contents of variables, arrays, and objects in a human-readable format. Primary print_r is used for debugging since it lets you visually inspect data structures' contents. To use print_r, pass the variable you want to inspect as the first argument to the function. If you want the output returned as a string rather than printed to the screen, specify true as the second argument to the function. In this PHP print_r example, we print the contents of a variable on the screen and save it to a string. Click Execute to run the PHP print_r example online and see the result.