3v4l.org

run code in 300+ PHP versions simultaneously
<?php function x($n) { echo "$n's Factors: "; for($i = 1; $i <= $n; $i++) { if ($n % $i == 0 && $i != $n) { $factors[] = $i; echo "$i "; } } if ($n == array_sum($factors)) { echo "[Perfect]"; } else { echo "[Imperfect]"; } } x(28); ?>

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)
8.3.60.0110.00716.75
8.3.50.0170.01616.35
8.3.40.0110.01118.89
8.3.30.0070.01318.67
8.3.20.0070.01118.77
8.3.10.0130.00720.36
8.3.00.0030.00619.51
8.2.180.0140.00716.50
8.2.170.0130.00622.96
8.2.160.0130.00621.08
8.2.150.0040.00424.18
8.2.140.0090.00324.66
8.2.130.0100.00726.16
8.2.120.0060.00319.48
8.2.110.0100.00020.52
8.2.100.0000.01117.91
8.2.90.0000.00819.41
8.2.80.0050.00317.97
8.2.70.0000.00817.38
8.2.60.0090.00018.16
8.2.50.0040.00418.07
8.2.40.0040.00418.16
8.2.30.0000.00718.12
8.2.20.0070.00017.73
8.2.10.0060.00317.68
8.2.00.0030.00617.56
8.1.280.0040.01125.92
8.1.270.0040.00424.66
8.1.260.0080.00026.35
8.1.250.0030.01328.09
8.1.240.0030.00623.84
8.1.230.0120.00017.42
8.1.220.0040.00417.74
8.1.210.0000.00918.77
8.1.200.0030.00617.22
8.1.190.0000.00717.40
8.1.180.0080.00018.10
8.1.170.0000.00818.84
8.1.160.0060.00318.95
8.1.150.0040.00418.59
8.1.140.0040.00417.38
8.1.130.0070.00017.83
8.1.120.0040.00417.47
8.1.110.0050.00217.48
8.1.100.0000.00717.45
8.1.90.0000.00717.41
8.1.80.0000.00817.44
8.1.70.0000.00717.48
8.1.60.0000.00917.61
8.1.50.0000.00817.34
8.1.40.0040.00417.51
8.1.30.0080.00017.66
8.1.20.0050.00317.70
8.1.10.0080.00017.45
8.1.00.0060.00617.32
8.0.300.0000.00718.77
8.0.290.0000.00816.75
8.0.280.0000.00718.44
8.0.270.0030.00317.17
8.0.260.0000.00716.82
8.0.250.0020.00516.93
8.0.240.0000.00716.90
8.0.230.0040.00416.84
8.0.220.0000.00716.92
8.0.210.0050.00316.82
8.0.200.0070.00016.98
8.0.190.0000.00716.95
8.0.180.0030.00716.92
8.0.170.0030.00516.88
8.0.160.0000.00716.86
8.0.150.0070.00316.89
8.0.140.0060.00316.82
8.0.130.0070.00013.36
8.0.120.0040.00416.83
8.0.110.0060.00316.80
8.0.100.0040.00416.69
8.0.90.0000.00716.88
8.0.80.0130.01016.91
8.0.70.0020.00516.79
8.0.60.0000.00716.77
8.0.50.0030.00516.93
8.0.30.0110.00817.23
8.0.20.0120.00617.19
8.0.10.0030.00617.04
8.0.00.0130.00516.93
7.4.330.0030.00313.07
7.4.320.0060.00016.61
7.4.300.0030.00316.65
7.4.290.0030.00316.49
7.4.280.0000.00816.50
7.4.270.0000.00716.48
7.4.260.0060.00013.32
7.4.250.0040.00416.63
7.4.240.0040.00416.60
7.4.230.0030.00316.49
7.4.220.0140.00916.64
7.4.210.0090.00816.58
7.4.200.0030.00316.48
7.4.190.0000.00716.54
7.4.160.0130.00316.50
7.4.150.0090.01816.38
7.4.140.0110.00816.45
7.4.130.0130.00316.53
7.4.120.0060.01316.48
7.4.110.0180.00616.52
7.4.100.0100.00716.47
7.4.90.0030.01416.39
7.4.80.0030.01519.39
7.4.70.0100.00616.46
7.4.60.0100.00716.68
7.4.50.0030.00616.12
7.4.40.0090.00316.39
7.4.30.0090.01216.44
7.4.00.0090.00814.89
7.3.330.0060.00013.32
7.3.320.0050.00013.12
7.3.310.0040.00416.34
7.3.300.0040.00416.17
7.3.290.0190.00416.27
7.3.280.0070.01016.27
7.3.270.0060.01816.63
7.3.260.0130.01016.39
7.3.250.0090.00916.41
7.3.240.0100.01016.31
7.3.230.0060.01016.27
7.3.210.0130.00316.23
7.3.200.0060.01316.40
7.3.190.0190.00316.35
7.3.180.0090.00616.42
7.3.170.0090.00916.36
7.3.160.0070.01016.43
7.3.120.0080.00914.81
7.3.110.0040.01415.04
7.3.100.0060.01014.72
7.3.90.0060.00714.81
7.3.80.0030.00614.74
7.3.70.0020.00814.78
7.3.60.0080.00814.80
7.3.50.0050.00914.64
7.3.40.0040.00914.62
7.3.30.0060.00614.85
7.3.20.0040.00716.59
7.3.10.0070.00716.61
7.3.00.0070.00216.67
7.2.330.0090.00916.51
7.2.320.0100.00716.84
7.2.310.0060.02216.51
7.2.300.0100.00716.68
7.2.290.0170.00016.78
7.2.250.0100.01014.98
7.2.240.0080.01015.05
7.2.230.0060.00415.06
7.2.220.0050.00915.13
7.2.210.0050.01015.15
7.2.200.0060.00614.99
7.2.190.0050.01115.03
7.2.180.0040.01215.08
7.2.170.0060.00914.99
7.2.00.0040.01119.10
7.1.330.0080.00715.95
7.1.320.0070.00615.96
7.1.310.0070.00515.82
7.1.300.0060.00615.95
7.1.290.0040.00916.01
7.1.280.0070.00415.72
7.1.270.0050.00815.70
7.1.260.0060.00315.91
7.1.100.0060.00618.37
7.1.70.0000.00716.88
7.1.60.0030.02119.40
7.1.50.0060.01616.99
7.1.00.0030.03722.30
7.0.200.0030.00716.57
7.0.140.0170.06322.13
7.0.120.0000.07021.96
7.0.60.0100.08019.91
7.0.50.0100.04317.87
7.0.40.0070.08720.39
7.0.30.0200.05720.17
7.0.20.0230.06720.06
7.0.10.0200.04320.23
7.0.00.0030.04320.26
5.6.280.0070.07020.78
5.6.210.0030.09320.55
5.6.200.0030.04718.21
5.6.190.0030.06020.57
5.6.180.0270.04320.39
5.6.170.0200.04020.48
5.6.160.0130.04020.54
5.6.150.0030.04718.17
5.6.140.0130.07318.27
5.6.130.0070.03718.23
5.6.120.0030.08321.14
5.6.110.0130.06321.20
5.6.100.0170.07020.96
5.6.90.0100.05720.98
5.6.80.0200.05320.52
5.6.70.4430.04020.44
5.5.350.0300.06320.36
5.5.340.0000.04318.08
5.5.330.0130.07720.35
5.5.320.0100.04720.57
5.5.310.0270.04320.32
5.5.300.0030.04317.94
5.5.290.0000.05018.02
5.5.280.0100.08020.87
5.5.270.0030.04320.87
5.5.260.0130.08020.68
5.5.250.0130.07320.50
5.5.240.0030.04720.35
5.4.450.0200.04319.52
5.4.440.0130.06019.49
5.4.430.0230.06019.38
5.4.420.0200.06019.30
5.4.410.0230.07319.18
5.4.400.0200.07319.00
5.4.390.0170.07318.86
5.4.380.0200.07019.31
5.4.370.0130.06018.94
5.4.360.0170.05019.09
5.4.350.0130.04318.99
5.4.340.0200.04318.95
5.4.320.0200.04319.14
5.4.310.0200.07018.98
5.4.300.0170.07318.97
5.4.290.0170.08318.99
5.4.280.0270.07319.31
5.4.270.0230.04719.09
5.4.260.0270.06319.20
5.4.250.0330.03319.21
5.4.240.0230.06718.98
5.4.230.0230.04718.98
5.4.220.0130.05319.16
5.4.210.0170.04719.06
5.4.200.0170.03719.08
5.4.190.0170.07319.21
5.4.180.0270.04719.07
5.4.170.0130.05019.30
5.4.160.0170.03719.14
5.4.150.0270.07019.18
5.4.140.0230.04016.50
5.4.130.0270.06316.36
5.4.120.0230.06716.33
5.4.110.0270.06716.26
5.4.100.0370.03316.45
5.4.90.0170.04716.40
5.4.80.0200.07016.57
5.4.70.0230.05316.17
5.4.60.0130.04316.39
5.4.50.0130.03716.53
5.4.40.0200.04316.38
5.4.30.0270.06316.61
5.4.20.0370.03316.34
5.4.10.0170.07316.39
5.4.00.0200.07315.94
5.3.290.0170.04314.65
5.3.280.0100.04314.58
5.3.270.0170.05014.59
5.3.260.0130.04014.82
5.3.250.0200.05314.65
5.3.240.0370.05314.68
5.3.230.0230.04714.60
5.3.220.0300.06314.58
5.3.210.0270.06314.58
5.3.200.0200.05314.47
5.3.190.0200.07314.54
5.3.180.0270.06314.54
5.3.170.0230.04014.57
5.3.160.0070.04714.58
5.3.150.0130.05014.46
5.3.140.0170.03714.64
5.3.130.0130.05014.48
5.3.120.0300.05014.62
5.3.110.0130.08014.55
5.3.100.0200.05014.05
5.3.90.0230.03314.07
5.3.80.0270.06713.94
5.3.70.0230.03714.13
5.3.60.0200.07013.91
5.3.50.0300.06313.85
5.3.40.0130.05013.95
5.3.30.0170.05713.81
5.3.20.0200.07013.80
5.3.10.0270.06313.58
5.3.00.0270.06713.75
5.2.170.0170.05312.36
5.2.160.0200.04012.36
5.2.150.0230.04712.36
5.2.140.0100.05012.36
5.2.130.0230.05012.36
5.2.120.0200.03312.36
5.2.110.0130.06712.36
5.2.100.0130.06712.36
5.2.90.0200.04312.36
5.2.80.0200.02312.36
5.2.70.0200.02312.36
5.2.60.0200.05712.36
5.2.50.0230.02712.36
5.2.40.0100.03712.36
5.2.30.0130.04312.36
5.2.20.0130.03712.36
5.2.10.0170.06012.36
5.2.00.0170.06012.36
5.1.60.0130.04012.36
5.1.50.0130.03712.36
5.1.40.0100.04012.36
5.1.30.0130.03312.36
5.1.20.0100.05312.36
5.1.10.0100.03712.36
5.1.00.0130.05712.36
5.0.50.0100.04712.36
5.0.40.0100.04012.36
5.0.30.0070.06012.36
5.0.20.0070.04712.36
5.0.10.0100.04012.36
5.0.00.0100.05012.36
4.4.90.0030.02712.36
4.4.80.0100.02712.36
4.4.70.0070.01712.36
4.4.60.0070.01712.36
4.4.50.0070.02012.36
4.4.40.0030.03312.36
4.4.30.0130.02312.36
4.4.20.0170.03012.36
4.4.10.0100.03312.36
4.4.00.0070.03712.36
4.3.110.0070.03712.36
4.3.100.0030.03012.36
4.3.90.0030.03312.36
4.3.80.0100.04712.36
4.3.70.0100.03312.36
4.3.60.0070.02712.36
4.3.50.0100.02312.36
4.3.40.0100.03312.36
4.3.30.0070.02012.36
4.3.20.0030.03712.36
4.3.10.0100.03012.36
4.3.00.0070.01312.36

preferences:
56.72 ms | 400 KiB | 5 Q