3v4l.org

run code in 300+ PHP versions simultaneously
<?php $n = 8000; $start = microtime(true); $arr = array(); if ($n >= 2) $arr[] = 2; for ($i = 3; $i<=$n; $i+=2) { $arr[] = $i; } foreach ($arr as $key=>$row) { foreach($arr as $key2=>$row2) { if ($key2 > $key && ($row2 % $row) === 0) { unset($arr[$key2]); } } } $arr = array_values($arr); echo '<pre>'; echo array_sum($arr), PHP_EOL; echo (microtime(true)-$start);

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
7.3.10.0100.18116.72
7.3.00.0170.20016.76
7.2.130.0070.18717.03
7.2.120.0160.19116.95
7.2.110.0070.18916.86
7.2.100.0000.19116.84
7.2.90.0070.20616.77
7.2.80.0100.20116.96
7.2.70.0100.19116.87
7.2.60.0030.19017.04
7.2.50.0100.19017.01
7.2.40.0100.18816.91
7.2.30.0160.18916.85
7.2.20.0030.18916.79
7.2.10.0070.18917.07
7.2.00.0070.19618.06
7.1.250.0070.37415.86
7.1.70.0030.16817.26
7.1.60.0100.24619.40
7.1.50.0030.21916.70
7.1.00.0070.24022.54
7.0.200.0000.17716.72
7.0.140.0070.29722.15
7.0.120.0000.18322.15
7.0.90.0130.17320.29
7.0.80.0270.21720.38
7.0.70.0230.21720.31
7.0.60.0630.23720.29
7.0.50.0470.22720.70
7.0.40.0170.23720.11
7.0.30.0030.23020.11
7.0.20.0070.27320.13
7.0.10.0070.25720.04
7.0.00.0030.25720.07
5.6.280.0000.34022.27
5.6.230.0600.21321.92
5.6.220.0070.27322.02
5.6.210.0070.33722.05
5.6.200.0070.40322.33
5.6.190.0030.29722.41
5.6.180.0070.30322.24
5.6.170.0100.33022.29
5.6.160.0030.29022.24
5.6.150.0130.35322.36
5.6.140.0100.34022.39
5.6.130.0070.34722.36
5.6.120.0070.33322.38
5.6.110.0030.37022.37
5.6.100.0070.29322.31
5.6.90.0100.36322.27
5.6.80.0070.28721.83
5.6.70.0070.28321.83
5.6.60.0170.35721.70
5.6.50.0070.37021.64
5.6.40.0030.26321.72
5.6.30.0070.33321.81
5.6.20.0070.34721.64
5.6.10.0100.33021.72
5.6.00.0000.31321.67
5.5.370.0030.24321.68
5.5.360.0000.24721.84
5.5.350.0070.31321.62
5.5.340.0130.35022.21
5.5.330.0130.28322.08
5.5.320.0170.33322.16
5.5.310.0170.34722.16
5.5.300.0130.33022.14
5.5.290.0100.34322.08
5.5.280.0100.36022.18
5.5.270.0000.31022.07
5.5.260.0200.36722.18
5.5.250.0200.33321.70
5.5.240.0030.34721.42
5.5.230.0100.28321.42
5.5.220.0070.34321.57
5.5.210.0030.36021.45
5.5.200.0100.35321.45
5.5.190.0070.36321.43
5.5.180.0630.34021.57
5.5.160.0100.38721.49
5.5.150.0130.35321.50
5.5.140.0200.36021.51
5.5.130.0130.36021.51
5.5.120.0070.35021.55
5.5.110.0070.35321.54
5.5.100.0100.34021.41
5.5.90.0070.30321.32
5.5.80.0130.31721.34
5.5.70.0130.37021.33
5.5.60.0030.29021.43
5.5.50.0170.33721.37
5.5.40.0070.33721.27
5.5.30.0030.37321.38
5.5.20.0200.34321.43
5.5.10.0070.33721.24
5.5.00.0100.34321.39
5.4.450.0030.34320.54
5.4.440.0130.36020.68
5.4.430.0000.32320.68
5.4.420.0030.37720.50
5.4.410.0170.32320.50
5.4.400.0200.31020.26
5.4.390.0100.34720.23
5.4.380.0030.32020.27
5.4.370.0100.29320.00
5.4.360.0130.34720.16
5.4.350.0070.36720.04
5.4.340.0130.37320.27
5.4.320.0030.36020.36
5.4.310.0030.31020.20
5.4.300.0000.35320.00
5.4.290.0030.30720.18
5.4.280.0000.36320.17
5.4.270.0030.30320.25
5.4.260.0070.33720.26
5.4.250.0100.31320.20
5.4.240.0100.34320.26
5.4.230.0070.31020.25
5.4.220.0000.35720.32
5.4.210.0130.31320.24
5.4.200.0030.31320.26
5.4.190.0000.38320.15
5.4.180.0500.36720.25
5.4.170.0100.27019.99
5.4.160.0000.41020.23
5.4.150.0100.39020.31
5.4.140.0000.29717.58
5.4.130.0070.29717.62
5.4.120.0070.30017.51
5.4.110.0000.39317.51
5.4.100.0170.36017.60
5.4.90.0230.35717.49
5.4.80.0070.30317.68
5.4.70.0030.33317.41
5.4.60.0000.27317.45
5.4.50.0130.31317.49
5.4.40.0030.28017.58
5.4.30.0100.33317.51
5.4.20.0030.23317.63
5.4.10.0100.27717.43
5.4.00.0030.23016.98
5.3.290.0100.41015.67
5.3.280.0070.39315.51
5.3.270.0000.33715.65
5.3.260.0070.40015.65
5.3.250.0030.44715.73
5.3.240.0000.39315.72
5.3.230.0230.26715.54
5.3.220.0030.38715.68
5.3.210.0100.38315.63
5.3.200.0070.35315.47
5.3.190.0070.40315.63
5.3.180.0130.34715.66
5.3.170.0130.37015.68
5.3.160.0030.30315.52
5.3.150.0000.27015.68
5.3.140.0000.27015.46
5.3.130.0000.36315.64
5.3.120.0000.31715.59
5.3.110.0030.29715.56
5.3.100.0000.28314.98
5.3.90.0000.27015.03
5.3.80.0000.26715.00
5.3.70.0030.33015.02
5.3.60.0070.36014.89
5.3.50.0000.33014.98
5.3.40.0070.39314.90
5.3.30.0100.40714.95
5.3.20.0130.39314.65
5.3.10.0100.40014.60
5.3.00.0070.37714.56
5.2.170.0130.49713.57
5.2.160.0130.48313.57
5.2.150.0000.46013.57
5.2.140.0030.52013.57
5.2.130.0570.49313.57
5.2.120.0030.55313.57
5.2.110.0070.44013.57
5.2.100.0030.51013.57
5.2.90.0100.51713.57
5.2.80.0030.50713.57
5.2.70.0070.48713.57
5.2.60.0070.50713.57
5.2.50.0030.48713.57
5.2.40.0030.52013.57
5.2.30.0030.51013.57
5.2.20.0130.47313.57
5.2.10.0000.36013.57
5.2.00.0030.52713.57
5.1.60.0100.48713.57
5.1.50.0130.56713.57
5.1.40.0170.50713.57
5.1.30.0470.49713.57
5.1.20.0000.54013.57
5.1.10.0000.52013.57
5.1.00.0130.48713.57
5.0.50.0001.35713.57
5.0.40.0001.40313.57
5.0.30.0071.21713.57
5.0.20.0031.14013.57
5.0.10.0031.11313.57
5.0.00.0031.27313.57
4.4.90.0001.34713.57
4.4.80.0071.49313.57
4.4.70.0071.43013.57
4.4.60.0071.22313.57
4.4.50.0001.22313.57
4.4.40.0031.38013.57
4.4.30.0071.26313.57
4.4.20.0001.48013.57
4.4.10.0001.40713.57
4.4.00.0001.17313.57
4.3.110.0071.34713.57
4.3.100.0031.19713.57
4.3.90.0001.10013.57
4.3.80.0071.37713.57
4.3.70.0031.38313.57
4.3.60.0001.36313.57
4.3.50.0001.31313.57
4.3.40.0031.33713.57
4.3.30.0001.35013.57
4.3.20.0031.31313.57
4.3.10.0031.10713.57
4.3.00.0031.29713.57

preferences:
31.92 ms | 401 KiB | 5 Q