Extracting a substring starting from last occurance of a string/character Post: 302152195

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LEARN ABOUT PHP

getrusage

GETRUSAGE(3)								 1							      GETRUSAGE(3)

getrusage - Gets the current resource usages

SYNOPSIS

       array getrusage ([int  $who])

DESCRIPTION

	This is an interface to getrusage(2). It gets data returned from the system call.

PARAMETERS

	      o $who
		- If $who is 1, getrusage will be called with RUSAGE_CHILDREN.

RETURN VALUES

	Returns an associative array containing the data returned from the system call. All entries are accessible by using their documented field
       names.

EXAMPLES

       Example #1

	      getrusage(3) example

	      <?php
	      $dat = getrusage();
	      echo $dat["ru_nswap"];	     // number of swaps
	      echo $dat["ru_majflt"];	     // number of page faults
	      echo $dat["ru_utime.tv_sec"];  // user time used (seconds)
	      echo $dat["ru_utime.tv_usec"]; // user time used (microseconds)
	      ?>

CHANGELOG

       +--------+---------------------------------------------+
       |Version |					      |
       |	|					      |
       |	|		  Description		      |
       |	|					      |
       +--------+---------------------------------------------+
       | 7.0.0	|					      |
       |	|					      |
       |	|  This function is now supported on Windows. |
       |	|					      |
       +--------+---------------------------------------------+
NOTES

       Note

	       On Windows getrusage(3) will only return the following members:

		     o "ru_stime.tv_sec"

		     o "ru_stime.tv_usec"

		     o "ru_utime.tv_sec"

		     o "ru_utime.tv_usec"

		     o "ru_majflt" (only if $who is RUSAGE_SELF)

		     o "ru_maxrss" (only if $who is RUSAGE_SELF)

	       If getrusage(3) is called with $who set to 1 ( RUSAGE_CHILDREN), then resource usage for threads are collected (meaning that inter-
	      nally the function is called with RUSAGE_THREAD).

       Note

	       on BeOS 2000, only the following members are returned:

		     o "ru_stime.tv_sec"

		     o "ru_stime.tv_usec"

		     o "ru_utime.tv_sec"

		     o "ru_utime.tv_usec"

SEE ALSO

       Your system's man page on getrusage(2).

PHP Documentation Group 													      GETRUSAGE(3)

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Extracting the last character of a string

Discussion started by: proactiveaditya