The getrusage() function is an inbuilt function in PHP that returns current resource usage.
Syntax:
getrusage(int $mode = 0)
Parameters:
This function has only one parameter:
- $mode: This parameter will be called with RUSAGE_CHILDREN, if the mode will be 1.
Return Value: This function returns an associative array that is called from the system call. All entries can be accessed by using their documented fields. If failed return false.
Example 1: In the below example, will use getrusage() function and print swaps.
PHP
<?php $dat = getrusage(); // Number of swaps echo $dat["ru_nswap"]; ?> |
Output:
0
Example 2: In the below example, we will print the number of fault pages using getrusage() function.
PHP
<?php $dat = getrusage(); // User time used (seconds) echo $dat["ru_utime.tv_sec"]; // User time used (microseconds) echo $dat["ru_utime.tv_usec"]; ?> |
Output:
08624
Note: Output can be different according to the system.
Reference: https://www.php.net/manual/en/function.getrusage.php
