3v4l.org

run code in 300+ PHP versions simultaneously
<?php function x($n) { for($i = 1; $i <= $n; $i++) { if ($n % $i == 0 && $i != $n) { $factors[] = $i; echo "$i is a factor of $n." . PHP_EOL; } elseif ($i == $n) { echo "Removing $n from array.."; } } var_dump($factors); $a = array_unique($factors); var_dump($a); echo "Removing duplicate factors."; return ($n == array_sum($a) / 2) ? true : false; } x(42); ?>

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)
8.3.60.0100.00316.50
8.3.50.0130.00817.38
8.3.40.0090.00618.48
8.3.30.0040.01118.85
8.3.20.0040.00418.81
8.3.10.0000.01020.37
8.3.00.0100.00619.38
8.2.180.0040.01116.63
8.2.170.0140.00322.96
8.2.160.0130.00320.69
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0030.00526.16
8.2.120.0040.00421.12
8.2.110.0110.00022.25
8.2.100.0040.00818.04
8.2.90.0000.01017.63
8.2.80.0040.00417.97
8.2.70.0000.00818.05
8.2.60.0000.00818.22
8.2.50.0080.00018.10
8.2.40.0040.00419.30
8.2.30.0000.00819.22
8.2.20.0100.00217.61
8.2.10.0000.00717.67
8.2.00.0030.00617.65
8.1.280.0090.00925.92
8.1.270.0060.00323.99
8.1.260.0060.00326.35
8.1.250.0040.00428.09
8.1.240.0090.00022.51
8.1.230.0080.00319.01
8.1.220.0050.00317.76
8.1.210.0040.00418.77
8.1.200.0080.00017.48
8.1.190.0000.00817.13
8.1.180.0030.00618.10
8.1.170.0050.00318.71
8.1.160.0040.00418.94
8.1.150.0000.00718.88
8.1.140.0050.00517.45
8.1.130.0040.00417.77
8.1.120.0060.00617.47
8.1.110.0030.00617.41
8.1.100.0070.00017.34
8.1.90.0030.00517.33
8.1.80.0030.00317.43
8.1.70.0080.00017.44
8.1.60.0040.00417.57
8.1.50.0080.00017.45
8.1.40.0030.00517.37
8.1.30.0000.00717.59
8.1.20.0060.00317.63
8.1.10.0000.00817.53
8.1.00.0000.00817.43
8.0.300.0000.00718.77
8.0.290.0040.00416.75
8.0.280.0050.00218.37
8.0.270.0030.00317.12
8.0.260.0030.00316.82
8.0.250.0040.00416.82
8.0.240.0000.00716.93
8.0.230.0030.00316.88
8.0.220.0000.00816.90
8.0.210.0000.00716.85
8.0.200.0030.00316.91
8.0.190.0050.00216.90
8.0.180.0040.00416.91
8.0.170.0000.00816.79
8.0.160.0030.00616.86
8.0.150.0040.00416.86
8.0.140.0050.00516.84
8.0.130.0000.00513.25
8.0.120.0080.00016.83
8.0.110.0080.00016.87
8.0.100.0050.00516.78
8.0.90.0000.00716.78
8.0.80.0140.00416.92
8.0.70.0030.00516.88
8.0.60.0040.00416.80
8.0.50.0070.00016.75
8.0.30.0040.01517.01
8.0.20.0090.01116.95
8.0.10.0070.00016.80
8.0.00.0110.01316.76
7.4.330.0030.00312.92
7.4.320.0030.00316.58
7.4.300.0040.00416.38
7.4.290.0030.00316.48
7.4.280.0040.00916.51
7.4.270.0040.00416.64
7.4.260.0060.00013.22
7.4.250.0060.00316.50
7.4.240.0040.00416.60
7.4.230.0000.00716.68
7.4.220.0040.01216.46
7.4.210.0030.01716.49
7.4.200.0030.00316.24
7.4.190.0040.00416.63
7.4.160.0070.01116.54
7.4.150.0070.01016.59
7.4.140.0100.00716.56
7.4.130.0000.02016.60
7.4.120.0070.02016.40
7.4.110.0140.00416.55
7.4.100.0120.00616.48
7.4.90.0070.01116.57
7.4.80.0080.01019.39
7.4.70.0120.00616.57
7.4.60.0110.00616.43
7.4.50.0030.00616.40
7.4.40.0030.00716.37
7.4.30.0120.00416.39
7.4.00.0130.00314.95
7.3.330.0030.00313.43
7.3.320.0030.00313.34
7.3.310.0000.00716.37
7.3.300.0030.00316.40
7.3.290.0120.00616.35
7.3.280.0100.00816.37
7.3.270.0180.00016.67
7.3.260.0130.00616.45
7.3.250.0160.00816.33
7.3.240.0060.01516.38
7.3.230.0100.00716.41
7.3.210.0170.00016.69
7.3.200.0130.00316.67
7.3.190.0130.00916.69
7.3.180.0060.00916.40
7.3.170.0090.00616.36
7.3.160.0070.01016.51
7.3.120.0080.00814.67
7.3.10.0130.00416.52
7.3.00.0070.00616.70
7.2.330.0110.00716.77
7.2.320.0070.01016.59
7.2.310.0140.00316.55
7.2.300.0050.01116.70
7.2.290.0090.00916.56
7.2.130.0090.00916.74
7.2.120.0120.00216.64
7.2.110.0080.00716.66
7.2.100.0110.00016.50
7.2.90.0090.00716.61
7.2.80.0150.00916.87
7.2.70.0120.00616.74
7.2.60.0140.00516.89
7.2.50.0050.01116.73
7.2.40.0140.00916.64
7.2.30.0170.00016.78
7.2.20.0150.00716.72
7.2.10.0120.00616.87
7.2.00.0060.01317.75
7.1.250.0100.00715.61
7.1.100.0050.00818.04
7.1.70.0080.00017.13
7.1.60.0030.02019.30
7.1.50.0040.01816.84
7.1.00.0070.07022.33
7.0.200.0020.00516.88
7.0.140.0070.06721.96
7.0.120.0070.07022.05
7.0.60.0130.08020.04
7.0.50.0070.07317.88
7.0.40.0070.06320.27
7.0.30.0230.03320.16
7.0.20.0270.06720.24
7.0.10.0270.04020.23
7.0.00.0030.04720.20
5.6.280.0030.07020.93
5.6.210.0130.03020.50
5.6.200.0000.08018.19
5.6.190.0030.04720.57
5.6.180.0230.04020.46
5.6.170.0270.07320.54
5.6.160.0100.07720.61
5.6.150.0030.05718.19
5.6.140.0100.07318.18
5.6.130.0030.04018.14
5.6.120.0100.08321.02
5.6.110.0070.08320.97
5.6.100.0000.04320.91
5.6.90.0100.08020.93
5.6.80.0130.06320.45
5.6.70.0300.07320.39
5.5.350.0300.07320.50
5.5.340.0070.05717.98
5.5.330.0000.08720.35
5.5.320.0270.08020.35
5.5.310.0270.07720.24
5.5.300.0000.04018.04
5.5.290.0030.08318.04
5.5.280.0030.09320.73
5.5.270.0200.07020.95
5.5.260.0070.06020.76
5.5.250.0170.07320.66
5.5.240.0100.07320.16
5.4.450.3870.05019.31
5.4.440.3870.03719.54
5.4.430.3870.03319.40
5.4.420.3600.03319.41
5.4.410.3670.03319.19
5.4.400.3900.04019.16
5.4.390.3870.04019.00
5.4.380.3830.04319.06
5.4.370.3730.03719.16
5.4.360.4900.04319.21
5.4.350.4070.03319.32
5.4.340.3970.04018.95
5.4.320.3630.04019.05
5.4.310.3930.03718.98
5.4.300.4000.02719.21
5.4.290.3630.03719.08
5.4.280.3870.03718.99
5.4.270.3630.03719.15
5.4.260.3830.03319.24
5.4.250.3730.04019.09
5.4.240.4030.03719.15
5.4.230.3770.03318.98
5.4.220.3970.04018.85
5.4.210.4070.03718.98
5.4.200.3970.03718.96
5.4.190.4400.03719.07
5.4.180.4330.04019.23
5.4.170.3300.04019.05
5.4.160.3800.03719.04
5.4.150.3530.04019.07
5.4.140.3800.03716.29
5.4.130.3900.03716.39
5.4.120.3770.03316.50
5.4.110.3800.04016.54
5.4.100.3870.03316.54
5.4.90.3830.03316.41
5.4.80.3570.03716.24
5.4.70.2270.04016.56
5.4.60.3300.04016.57
5.4.50.3200.03716.51
5.4.40.2870.03316.53
5.4.30.2630.03316.55
5.4.20.3000.03316.48
5.4.10.3470.03716.16
5.4.00.2970.03315.94
5.3.290.3900.03714.88
5.3.280.3730.04014.59
5.3.270.3600.03714.61
5.3.260.3670.03714.65
5.3.250.4070.05014.65
5.3.240.3870.03314.58
5.3.230.4630.03714.49
5.3.220.3900.03014.48
5.3.210.3830.04014.72
5.3.200.3830.03314.62
5.3.190.3300.03314.58
5.3.180.4030.04014.48
5.3.170.1770.03714.49
5.3.160.2830.02714.57
5.3.150.2870.03714.53
5.3.140.3230.03014.55
5.3.130.3030.02314.55
5.3.120.2930.03314.70
5.3.110.3270.03314.60
5.3.100.3130.03314.12
5.3.90.2900.02714.09
5.3.80.3470.04013.99
5.3.70.3630.03314.13
5.3.60.3870.03013.90
5.3.50.3770.03313.96
5.3.40.3500.04314.10
5.3.30.3630.03314.07
5.3.20.3600.04013.69
5.3.10.3770.03713.58
5.3.00.3400.03313.54
5.2.170.2900.03311.05
5.2.160.3200.02711.07
5.2.150.2570.03311.05
5.2.140.3230.03311.26
5.2.130.3130.02311.11
5.2.120.3900.02011.01
5.2.110.3230.02311.07
5.2.100.3330.02311.05
5.2.90.3270.03011.18
5.2.80.3070.02711.07
5.2.70.3000.03311.14
5.2.60.3230.03310.98
5.2.50.3070.03310.93
5.2.40.2470.03011.21
5.2.30.2630.03011.13
5.2.20.2400.03011.13
5.2.10.2370.03310.84
5.2.00.2530.03310.73
5.1.60.2430.02310.17
5.1.50.1630.02710.17
5.1.40.2900.02710.17
5.1.30.2500.02710.30
5.1.20.2900.02710.38
5.1.10.2870.02710.17
5.1.00.2500.02710.17
5.0.50.1530.01710.17
5.0.40.1570.02710.17
5.0.30.1270.03010.17
5.0.20.1270.01310.17
5.0.10.1230.01710.17
5.0.00.1470.03310.17
4.4.90.1300.01310.03
4.4.80.1430.02010.04
4.4.70.1530.01710.09
4.4.60.1270.02010.09
4.4.50.1400.01310.11
4.4.40.1230.02710.17
4.4.30.1200.01310.17
4.4.20.1500.01310.17
4.4.10.1200.01710.17
4.4.00.1430.03010.17
4.3.110.1400.02010.17
4.3.100.1230.01310.17
4.3.90.1430.02010.17
4.3.80.1370.02310.17
4.3.70.1170.01710.17
4.3.60.1230.01310.17
4.3.50.1170.01710.17
4.3.40.1500.02710.17
4.3.30.0570.01710.17
4.3.20.0630.02010.17
4.3.10.0730.02010.17
4.3.00.0630.01710.17

preferences:
56.55 ms | 401 KiB | 5 Q