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<?php function delta() { static $lastmem; $delta = memory_get_peak_usage() - $lastmem; if ($lastmem == 0) $delta = 0; $lastmem = memory_get_peak_usage(); return $delta; } $a=range(1, 500); delta(); //to set initial value for($x=0;$x<sizeof($a);$x++) { $a[$x]++; } var_dump('for loop and increment delta:'.delta()); foreach($a as $k=>$v) { $a[$k]++; } var_dump('foreach loop and increment delta: '.delta());
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
string(30) "for loop and increment delta:0" string(35) "foreach loop and increment delta: 0"
Output for 8.1.0 - 8.1.28
string(30) "for loop and increment delta:0" string(38) "foreach loop and increment delta: 5504"
Output for 8.0.0 - 8.0.30
string(30) "for loop and increment delta:0" string(38) "foreach loop and increment delta: 4504"
Output for 7.4.0 - 7.4.33
string(30) "for loop and increment delta:0" string(38) "foreach loop and increment delta: 4632"
Output for 7.3.0 - 7.3.33
string(30) "for loop and increment delta:0" string(38) "foreach loop and increment delta: 5024"
Output for 7.2.0 - 7.2.33
string(30) "for loop and increment delta:0" string(38) "foreach loop and increment delta: 5104"
Output for 7.1.0 - 7.1.33
string(30) "for loop and increment delta:0" string(38) "foreach loop and increment delta: 5552"
Output for 7.0.0 - 7.0.33
string(30) "for loop and increment delta:0" string(38) "foreach loop and increment delta: 5568"
Output for 5.6.0 - 5.6.40
string(31) "for loop and increment delta:88" string(39) "foreach loop and increment delta: 72520"
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38
string(31) "for loop and increment delta:88" string(39) "foreach loop and increment delta: 72472"
Output for 5.3.0 - 5.3.29
string(31) "for loop and increment delta:96" string(39) "foreach loop and increment delta: 72432"
Output for 5.2.1 - 5.2.17
string(30) "for loop and increment delta:0" string(39) "foreach loop and increment delta: 68248"
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0
Fatal error: Call to undefined function memory_get_peak_usage() in /in/Tl2go on line 5
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: memory_get_peak_usage() in /in/Tl2go on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
Fatal error: Call to undefined function: memory_get_peak_usage() in /in/Tl2go on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: memory_get_peak_usage() in /in/Tl2go on line 5
preferences:
288.75 ms | 401 KiB | 459 Q