3v4l.org

run code in 300+ PHP versions simultaneously
<?php function x($n) { echo "Factors: "; for($i = 1; $i <= $n; $i++) { if ($n % $i == 0 && $i != $n) { $factors[] = $i; echo "$i "; } elseif ($i == $n) { echo "\n"; } } if ($n == array_sum($factors)) { echo "It's perfect!"; } else { echo "It's not perfect!"; } } 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)
8.3.70.0140.00718.33
8.3.60.0150.00316.75
8.3.50.0110.01017.63
8.3.40.0140.00019.00
8.3.30.0060.00918.84
8.3.20.0050.00318.77
8.3.10.0060.00320.34
8.3.00.0160.00319.25
8.2.180.0000.01516.50
8.2.170.0130.00322.96
8.2.160.0030.01021.07
8.2.150.0080.00024.18
8.2.140.0000.00824.66
8.2.130.0050.00326.16
8.2.120.0040.00419.48
8.2.110.0060.00321.03
8.2.100.0000.01217.88
8.2.90.0040.00419.46
8.2.80.0040.00419.42
8.2.70.0000.00817.25
8.2.60.0040.00417.93
8.2.50.0040.00418.07
8.2.40.0000.00818.25
8.2.30.0000.00818.17
8.2.20.0000.00817.70
8.2.10.0040.00417.70
8.2.00.0060.00317.56
8.1.280.0100.00625.92
8.1.270.0080.00024.66
8.1.260.0060.00326.35
8.1.250.0080.00028.09
8.1.240.0070.00320.68
8.1.230.0070.00320.95
8.1.220.0030.00517.76
8.1.210.0080.00418.81
8.1.200.0040.00817.35
8.1.190.0000.00717.40
8.1.180.0050.00318.10
8.1.170.0040.00420.68
8.1.160.0040.00418.94
8.1.150.0030.00618.57
8.1.140.0040.00417.32
8.1.130.0030.00317.69
8.1.120.0000.00817.38
8.1.110.0030.00617.48
8.1.100.0000.00717.50
8.1.90.0000.00717.34
8.1.80.0000.00717.45
8.1.70.0000.00717.44
8.1.60.0040.00417.59
8.1.50.0040.00417.52
8.1.40.0070.00017.49
8.1.30.0000.00817.64
8.1.20.0000.00717.69
8.1.10.0000.00717.50
8.1.00.0070.00017.44
8.0.300.0080.00019.90
8.0.290.0000.00816.75
8.0.280.0040.00418.42
8.0.270.0030.00317.21
8.0.260.0080.00016.81
8.0.250.0000.00716.93
8.0.240.0030.00316.96
8.0.230.0030.00516.94
8.0.220.0000.00816.93
8.0.210.0000.00716.95
8.0.200.0050.00316.96
8.0.190.0000.00816.92
8.0.180.0050.00316.79
8.0.170.0040.00416.79
8.0.160.0040.00416.82
8.0.150.0030.00516.70
8.0.140.0040.00416.76
8.0.130.0030.00313.31
8.0.120.0040.00416.88
8.0.110.0000.00716.77
8.0.100.0000.00716.84
8.0.90.0040.00417.00
8.0.80.0100.01016.81
8.0.70.0000.00716.87
8.0.60.0060.00316.86
8.0.50.0040.00416.88
8.0.30.0110.01316.92
8.0.20.0140.00816.90
8.0.10.0000.00716.94
8.0.00.0100.00816.83
7.4.330.0050.00012.98
7.4.320.0060.00016.52
7.4.300.0060.00016.35
7.4.290.0070.00016.41
7.4.280.0040.00416.42
7.4.270.0000.00716.51
7.4.260.0030.00313.33
7.4.250.0000.00816.55
7.4.240.0040.00416.36
7.4.230.0040.00416.60
7.4.220.0160.00316.40
7.4.210.0070.00816.60
7.4.200.0040.00416.50
7.4.190.0000.00716.54
7.4.160.0100.01016.58
7.4.150.0100.00716.51
7.4.140.0120.00716.49
7.4.130.0070.01116.52
7.4.120.0110.00616.59
7.4.110.0120.00416.42
7.4.100.0040.01316.40
7.4.90.0110.00716.45
7.4.80.0100.01019.39
7.4.70.0110.00816.47
7.4.60.0140.00816.55
7.4.50.0000.00516.36
7.4.40.0100.00716.35
7.4.30.0100.00716.60
7.4.00.0110.00514.82
7.3.330.0030.00313.30
7.3.320.0030.00313.37
7.3.310.0030.00416.29
7.3.300.0070.00016.29
7.3.290.0060.00816.28
7.3.280.0080.00716.30
7.3.270.0000.01816.48
7.3.260.0060.01116.54
7.3.250.0060.01216.54
7.3.240.0060.01016.62
7.3.230.0120.00916.55
7.3.210.0030.01316.48
7.3.200.0140.00716.49
7.3.190.0120.00616.47
7.3.180.0030.01316.48
7.3.170.0090.01116.72
7.3.160.0100.00616.33
7.3.120.0080.01015.02
7.3.110.0040.01414.97
7.3.100.0070.00714.87
7.3.90.0060.00915.09
7.3.80.0030.00914.90
7.3.70.0110.00314.72
7.3.60.0000.00914.87
7.3.50.0030.01014.89
7.3.40.0060.00614.90
7.3.30.0040.01114.80
7.3.20.0100.00616.53
7.3.10.0090.00616.48
7.3.00.0090.00616.82
7.2.330.0060.01216.48
7.2.320.0000.01716.48
7.2.310.0100.01416.72
7.2.300.0100.00716.80
7.2.290.0070.01016.55
7.2.250.0000.01914.79
7.2.240.0030.01614.90
7.2.230.0080.00815.15
7.2.220.0090.00615.17
7.2.210.0090.00314.93
7.2.200.0090.00314.93
7.2.190.0040.00715.05
7.2.180.0130.00314.99
7.2.170.0060.00915.09
7.1.330.0070.00715.82
7.1.320.0060.00916.07
7.1.310.0090.00015.93
7.1.300.0070.00715.52
7.1.290.0060.00615.84
7.1.280.0100.00315.70
7.1.270.0060.00915.72
7.1.260.0040.01115.59
7.1.100.0600.00716.40
7.1.70.0000.00917.15
7.1.60.0090.01519.40
7.1.50.0090.01616.75
7.1.00.0100.07022.33
7.0.200.0230.00614.71
7.0.140.0030.06722.00
7.0.120.0070.06021.96
7.0.60.0100.06319.90
7.0.50.0030.08717.84
7.0.40.0070.04320.27
7.0.30.0330.07320.24
7.0.20.0200.04320.21
7.0.10.0200.08020.15
7.0.00.0270.04020.18
5.6.280.0100.06320.91
5.6.210.0100.07020.72
5.6.200.0030.08718.16
5.6.190.0130.05020.61
5.6.180.0300.08020.48
5.6.170.0230.03320.54
5.6.160.0070.05020.50
5.6.150.0030.07718.16
5.6.140.0130.07318.18
5.6.130.0070.08318.13
5.6.120.0030.09321.05
5.6.110.0070.06721.20
5.6.100.0130.07721.09
5.6.90.0030.08021.12
5.6.80.0030.07320.38
5.6.70.3300.03020.52
5.5.350.0030.07720.45
5.5.340.0070.05017.99
5.5.330.0030.06320.27
5.5.320.0270.06720.30
5.5.310.0230.07720.30
5.5.300.0000.04717.95
5.5.290.0000.04318.04
5.5.280.0070.04020.77
5.5.270.0130.07720.84
5.5.260.0030.07020.77
5.5.250.0070.08020.66
5.5.240.0100.07320.24
5.4.450.0100.07319.30
5.4.440.0070.06719.24
5.4.430.0130.06719.18
5.4.420.0030.04019.56
5.4.410.0070.07719.19
5.4.400.0070.03719.15
5.4.390.0000.05319.14
5.4.380.0100.07318.94
5.4.370.0070.07018.97
5.4.360.0130.06319.14
5.4.350.0070.06318.92
5.4.340.0030.06019.00
5.4.320.0200.06719.24
5.4.310.0000.04019.14
5.4.300.0030.05319.24
5.4.290.0000.05719.23
5.4.280.0030.06318.85
5.4.270.0070.07319.14
5.4.260.0070.07319.24
5.4.250.0030.04018.85
5.4.240.0000.04319.15
5.4.230.0000.05318.83
5.4.220.0100.07019.24
5.4.210.0100.07719.14
5.4.200.0130.06719.14
5.4.190.0200.04719.10
5.4.180.0030.06018.84
5.4.170.0030.04018.97
5.4.160.0070.05718.90
5.4.150.0030.08018.83
5.4.140.0030.05016.39
5.4.130.0070.07716.38
5.4.120.0070.07016.46
5.4.110.0100.07316.30
5.4.100.0030.07716.42
5.4.90.0000.06016.39
5.4.80.0030.05016.39
5.4.70.0200.03716.44
5.4.60.0130.05016.41
5.4.50.0070.07016.36
5.4.40.0030.07016.40
5.4.30.0030.06316.36
5.4.20.0030.04016.36
5.4.10.0130.06316.42
5.4.00.0070.04315.95
5.3.290.0130.04714.66
5.3.280.0100.07714.62
5.3.270.0000.05014.63
5.3.260.0070.04314.61
5.3.250.0070.07714.60
5.3.240.0070.08014.64
5.3.230.0100.06314.74
5.3.220.0170.03714.71
5.3.210.0070.06014.48
5.3.200.0100.07014.62
5.3.190.0000.07714.57
5.3.180.0030.07714.72
5.3.170.0030.05014.59
5.3.160.0070.07714.59
5.3.150.0170.05314.57
5.3.140.0100.05714.61
5.3.130.0030.04714.43
5.3.120.0070.05714.62
5.3.110.0070.03714.61
5.3.100.0070.06014.11
5.3.90.0170.06314.05
5.3.80.0130.06313.96
5.3.70.0030.07714.02
5.3.60.0030.05314.00
5.3.50.0100.05713.89
5.3.40.0070.06314.11
5.3.30.0030.07314.07
5.3.20.0030.03713.65
5.3.10.0000.04013.71
5.3.00.0030.03713.70
5.2.170.0070.04011.10
5.2.160.0030.03711.16
5.2.150.0100.03711.10
5.2.140.0030.06311.14
5.2.130.0070.05011.07
5.2.120.0000.04011.16
5.2.110.0000.03011.13
5.2.100.0030.03011.17
5.2.90.0000.03011.16
5.2.80.0000.04011.14
5.2.70.0070.06011.25
5.2.60.0030.05711.09
5.2.50.0030.05311.17
5.2.40.0100.05711.04
5.2.30.0000.06310.89
5.2.20.0000.06310.97
5.2.10.0030.04310.86
5.2.00.0030.05010.72
5.1.60.0100.04710.05
5.1.50.0000.0279.96
5.1.40.0000.0309.88
5.1.30.0070.02310.39
5.1.20.0030.02310.36
5.1.10.0000.0309.97
5.1.00.0000.02710.21
5.0.50.0000.0208.74
5.0.40.0000.0208.74
5.0.30.0030.0278.74
5.0.20.0000.0208.74
5.0.10.0070.0338.74
5.0.00.0000.0678.74
4.4.90.0070.0338.74
4.4.80.0070.0138.74
4.4.70.0000.0308.74
4.4.60.0000.0208.74
4.4.50.0000.0378.74
4.4.40.0000.0338.74
4.4.30.0030.0178.74
4.4.20.0030.0208.74
4.4.10.0000.0178.74
4.4.00.0030.0208.74
4.3.110.0000.0138.74
4.3.100.0000.0138.74
4.3.90.0000.0138.74
4.3.80.0000.0278.74
4.3.70.0000.0238.74
4.3.60.0030.0338.74
4.3.50.0000.0338.74
4.3.40.0000.0538.74
4.3.30.0000.0238.74
4.3.20.0000.0208.74
4.3.10.0000.0178.74
4.3.00.0030.0208.74

preferences:
87.89 ms | 401 KiB | 5 Q