3v4l.org

run code in 300+ PHP versions simultaneously
<?php function isPerfect($n) { return count($n)==4&&$n[0]*$n[1]*$n[2]*$n[3]+1==pow(pow($n[0],2)+3*$n[0]+1,2); } var_dump(isPerfect(['a','b','c','d']));

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)
8.3.60.0140.00418.33
8.3.50.0130.00721.21
8.3.40.0140.00418.75
8.3.30.0110.00418.59
8.3.20.0030.00520.20
8.3.10.0040.00422.07
8.3.00.0040.00417.80
8.2.180.0110.00418.54
8.2.170.0120.00322.96
8.2.160.0130.00020.46
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0030.00717.63
8.2.110.0060.00322.01
8.2.100.0040.00818.05
8.2.90.0040.00419.17
8.2.80.0050.00317.97
8.2.70.0040.00417.75
8.2.60.0050.00318.03
8.2.50.0040.00418.07
8.2.40.0030.00619.37
8.2.30.0000.00720.65
8.2.20.0000.00817.77
8.2.10.0070.00018.09
8.2.00.0040.00418.01
8.1.280.0130.00325.92
8.1.270.0040.00422.23
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0000.01022.56
8.1.230.0040.00817.42
8.1.220.0040.00417.79
8.1.210.0000.00918.77
8.1.200.0040.00417.25
8.1.190.0080.00017.00
8.1.180.0040.00418.10
8.1.170.0030.00618.57
8.1.160.0000.00722.01
8.1.150.0000.00818.82
8.1.140.0060.00317.29
8.1.130.0060.00317.68
8.1.120.0070.00017.39
8.1.110.0040.00417.25
8.1.100.0000.00717.33
8.1.90.0020.00517.36
8.1.80.0000.00717.39
8.1.70.0000.00817.38
8.1.60.0000.00717.53
8.1.50.0050.00317.45
8.1.40.0040.00417.34
8.1.30.0030.00617.46
8.1.20.0000.00817.59
8.1.10.0050.00217.51
8.1.00.0040.00817.43
8.0.300.0080.00018.77
8.0.290.0000.00716.88
8.0.280.0070.00018.54
8.0.270.0070.00017.16
8.0.260.0030.00317.26
8.0.250.0050.00217.00
8.0.240.0060.00017.05
8.0.230.0000.00717.03
8.0.220.0030.00316.95
8.0.210.0000.00716.86
8.0.200.0060.00017.00
8.0.190.0110.00016.89
8.0.180.0030.00516.97
8.0.170.0040.00416.93
8.0.160.0000.00716.98
8.0.150.0050.00316.91
8.0.140.0070.00016.90
8.0.130.0000.00613.34
8.0.120.0030.00616.93
8.0.110.0000.00816.97
8.0.100.0000.00717.01
8.0.90.0070.00016.93
8.0.80.0060.01016.93
8.0.70.0030.00516.91
8.0.60.0030.00316.84
8.0.50.0020.00516.99
8.0.30.0110.00517.07
8.0.20.0120.00617.40
8.0.10.0000.00717.03
8.0.00.0080.01116.72
7.4.330.0030.00315.08
7.4.320.0040.00416.44
7.4.300.0000.00616.34
7.4.290.0070.00716.22
7.4.280.0060.00316.50
7.4.270.0000.00716.43
7.4.260.0070.00016.42
7.4.250.0080.00016.32
7.4.240.0020.00516.47
7.4.230.0070.00016.32
7.4.220.0090.01816.52
7.4.210.0070.00716.52
7.4.200.0000.00716.32
7.4.160.0080.00816.26
7.4.150.0090.01417.40
7.4.140.0080.01317.86
7.4.130.0110.01216.58
7.4.120.0130.00416.63
7.4.110.0180.00316.63
7.4.100.0070.01016.48
7.4.90.0070.01116.33
7.4.80.0030.01319.39
7.4.70.0100.01316.59
7.4.60.0100.00616.30
7.4.50.0050.00316.31
7.4.40.0120.00616.46
7.4.30.0060.01616.53
7.4.00.0050.01314.89
7.3.330.0000.00613.49
7.3.320.0000.00613.28
7.3.310.0030.00316.45
7.3.300.0000.00716.46
7.3.290.0090.00716.32
7.3.280.0040.01116.36
7.3.270.0110.01117.40
7.3.260.0120.00616.43
7.3.250.0080.00916.39
7.3.240.0090.00916.35
7.3.230.0130.00716.46
7.3.210.0070.01116.31
7.3.200.0030.01316.44
7.3.190.0110.00716.52
7.3.180.0030.01316.38
7.3.170.0110.00716.55
7.3.160.0030.01216.48
7.3.120.0090.00615.05
7.3.110.0040.01414.64
7.3.100.0110.00314.75
7.3.90.0070.01015.05
7.3.80.0030.00914.95
7.3.70.0000.01114.87
7.3.60.0030.00615.06
7.3.50.0050.00515.01
7.3.40.0050.00514.81
7.3.30.0120.00314.64
7.3.20.0030.00716.67
7.3.10.0070.00716.71
7.3.00.0070.00716.74
7.2.330.0160.00316.83
7.2.320.0150.00316.76
7.2.310.0100.00616.40
7.2.300.0120.00616.84
7.2.290.0130.00616.63
7.2.250.0100.00714.97
7.2.240.0070.01415.13
7.2.230.0030.01315.00
7.2.220.0060.00315.05
7.2.210.0060.01215.13
7.2.200.0090.00315.13
7.2.190.0000.01415.10
7.2.180.0040.00715.25
7.2.170.0090.00614.85
7.2.60.0050.00816.73
7.2.00.0060.00619.57
7.1.330.0070.00715.61
7.1.320.0040.01015.88
7.1.310.0040.01115.71
7.1.300.0080.00415.74
7.1.290.0030.00615.74
7.1.280.0030.00915.55
7.1.270.0040.00415.64
7.1.260.0120.00015.69
7.1.200.0030.01315.31
7.1.100.0030.01018.22
7.1.70.0030.01017.10
7.1.60.0120.00319.20
7.1.50.0100.01016.96
7.1.00.0000.08022.54
7.0.200.0090.00016.78
7.0.60.0030.07021.74
7.0.50.0070.08017.98
7.0.40.0070.06720.18
7.0.30.0270.06320.17
7.0.20.0230.06720.16
7.0.10.0070.08020.21
7.0.00.0170.03320.10
5.6.280.0030.07321.07
5.6.210.0100.08320.69
5.6.200.0130.06718.29
5.6.190.0000.05720.39
5.6.180.0300.07720.61
5.6.170.0230.06020.45
5.6.160.0130.08020.43
5.6.150.0030.04718.15
5.6.140.0170.07318.18
5.6.130.0170.06318.18
5.6.120.0130.08020.96
5.6.110.0100.07721.14
5.6.100.0130.07721.02
5.6.90.0070.04020.96
5.6.80.0070.07320.37
5.5.350.0300.05720.33
5.5.340.0100.08018.02
5.5.330.0030.04720.43
5.5.320.3830.04720.30
5.5.310.0300.05020.24
5.5.300.0030.08317.99
5.5.290.0130.07017.95
5.5.280.0070.08320.77
5.5.270.0130.03720.78
5.5.260.0100.07320.79
5.5.250.0070.04020.47
5.5.240.0070.05320.25
5.4.450.0700.06319.38
5.4.440.0630.05719.61
5.4.430.0770.04719.48
5.4.420.0670.05019.38
5.4.410.0570.06019.46
5.4.400.0630.05019.16
5.4.390.0630.05319.23
5.4.380.0870.05319.15
5.4.370.0600.06719.16
5.4.360.0730.05318.88
5.4.350.0630.05319.25
5.4.340.0470.06719.25
5.4.320.0700.05019.25
5.4.310.0530.06319.27
5.4.300.0600.06019.30
5.4.290.0700.04319.30
5.4.280.0600.05719.37
5.4.270.0730.04318.85
5.4.260.0600.05319.13
5.4.250.0630.05018.87
5.4.240.0700.05019.28
5.4.230.0770.04719.25
5.4.220.0670.05019.30
5.4.210.0870.06319.00
5.4.200.0830.06719.28
5.4.190.0600.06019.23
5.4.180.0600.06019.00
5.4.170.0930.05718.86
5.4.160.0630.06319.13
5.4.150.0730.06319.24
5.4.140.0770.06016.55
5.4.130.0570.06016.41
5.4.120.0230.04316.42
5.4.110.0170.05316.52
5.4.100.0330.05316.53
5.4.90.0830.04316.61
5.4.80.0770.05716.26
5.4.70.0270.05716.53
5.4.60.0100.07316.53
5.4.50.0030.07016.48
5.4.40.0200.03716.38
5.4.30.0230.03716.55
5.4.20.0200.04016.50

preferences:
59.37 ms | 401 KiB | 5 Q