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([1,2,3,4])); var_dump(isPerfect(['1','2','3','4'])); var_dump(isPerfect([3,9,5,6])); var_dump(isPerfect([1,2,3,4,5])); var_dump(isPerfect(['a','b','c','d'])); var_dump(isPerfect([1,'b',3,4])); var_dump(isPerfect([1001,1002,1003,1004]));

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)
8.3.60.0070.01118.55
8.3.50.0090.01216.28
8.3.40.0100.01018.84
8.3.30.0060.00918.67
8.3.20.0000.00820.33
8.3.10.0040.00421.90
8.3.00.0060.00317.91
8.2.180.0080.00816.50
8.2.170.0040.01122.96
8.2.160.0160.00020.43
8.2.150.0050.00324.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00419.36
8.2.110.0080.00320.96
8.2.100.0090.00317.91
8.2.90.0040.00419.30
8.2.80.0000.00817.97
8.2.70.0060.00317.75
8.2.60.0050.00417.93
8.2.50.0030.00518.07
8.2.40.0030.00619.19
8.2.30.0040.00420.65
8.2.20.0080.00017.84
8.2.10.0050.00318.13
8.2.00.0040.00418.20
8.1.280.0130.00625.92
8.1.270.0050.00322.03
8.1.260.0050.00326.35
8.1.250.0070.00028.09
8.1.240.0060.00321.31
8.1.230.0040.00717.42
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0030.00617.48
8.1.190.0040.00417.35
8.1.180.0030.00518.10
8.1.170.0040.00418.50
8.1.160.0000.00821.95
8.1.150.0000.00918.77
8.1.140.0030.00517.30
8.1.130.0100.00017.54
8.1.120.0000.00817.40
8.1.110.0040.00417.34
8.1.100.0050.00217.41
8.1.90.0070.00017.44
8.1.80.0030.00517.40
8.1.70.0030.00317.32
8.1.60.0000.00817.45
8.1.50.0060.00317.47
8.1.40.0040.00417.49
8.1.30.0040.00417.61
8.1.20.0030.00517.61
8.1.10.0000.00717.56
8.1.00.0090.00317.33
8.0.300.0000.00918.77
8.0.290.0040.00416.75
8.0.280.0000.00718.43
8.0.270.0000.00717.32
8.0.260.0030.00317.28
8.0.250.0040.00417.08
8.0.240.0030.00316.95
8.0.230.0000.00716.93
8.0.220.0000.00716.99
8.0.210.0040.00416.94
8.0.200.0030.00317.05
8.0.190.0120.00017.04
8.0.180.0030.00516.88
8.0.170.0050.00317.00
8.0.160.0070.00017.02
8.0.150.0040.00416.96
8.0.140.0040.00416.93
8.0.130.0030.00313.49
8.0.120.0040.00416.93
8.0.110.0040.00416.94
8.0.100.0050.00216.93
8.0.90.0000.00716.94
8.0.80.0090.00616.96
8.0.70.0030.00517.06
8.0.60.0000.00716.91
8.0.50.0000.00716.84
8.0.30.0140.00417.11
8.0.20.0130.00817.40
8.0.10.0070.00017.04
8.0.00.0100.01216.83
7.4.330.0030.00315.08
7.4.320.0000.00616.57
7.4.300.0000.00616.48
7.4.290.0030.00616.48
7.4.280.0030.00716.60
7.4.270.0040.00416.48
7.4.260.0050.00216.40
7.4.250.0000.00716.48
7.4.240.0030.00316.39
7.4.230.0000.00716.61
7.4.220.0100.00716.41
7.4.210.0140.00616.47
7.4.200.0030.00316.63
7.4.160.0050.01116.48
7.4.150.0170.00717.40
7.4.140.0130.01017.86
7.4.130.0140.00316.43
7.4.120.0070.01116.55
7.4.110.0150.00816.67
7.4.100.0090.00816.68
7.4.90.0130.00416.44
7.4.80.0100.00719.39
7.4.70.0170.00616.46
7.4.60.0130.00316.43
7.4.50.0030.00516.56
7.4.40.0070.01316.63
7.4.30.0120.00616.39
7.4.00.0070.01014.83
7.3.330.0050.00013.40
7.3.320.0030.00313.43
7.3.310.0030.00416.55
7.3.300.0030.00316.30
7.3.290.0110.00616.35
7.3.280.0090.00916.41
7.3.270.0100.00617.40
7.3.260.0030.01616.64
7.3.250.0130.00516.55
7.3.240.0100.00716.53
7.3.230.0070.01016.56
7.3.210.0070.01416.61
7.3.200.0070.01016.40
7.3.190.0070.01416.53
7.3.180.0130.00416.48
7.3.170.0180.00016.40
7.3.160.0110.00616.52
7.3.10.0070.00816.50
7.3.00.0060.00916.28
7.2.330.0030.01816.79
7.2.320.0040.01616.69
7.2.310.0080.00816.83
7.2.300.0060.01516.64
7.2.290.0110.00816.70
7.2.130.0100.00516.82
7.2.120.0070.00717.07
7.2.110.0050.00916.71
7.2.100.0060.00816.51
7.2.90.0070.00716.81
7.2.80.0050.00916.67
7.2.70.0070.00416.81
7.2.60.0080.00816.79
7.2.50.0060.00916.66
7.2.40.0070.00716.84
7.2.30.0060.00816.96
7.2.20.0060.01016.79
7.2.10.0060.00916.69
7.2.00.0060.00917.73
7.1.250.0120.00615.60
7.1.200.0070.01015.79
7.1.100.0030.00918.28
7.1.70.0030.00617.20
7.1.60.0160.01019.20
7.1.50.0090.01317.02
7.1.00.0130.06722.31
7.0.200.0070.00316.86
7.0.60.0070.05020.06
7.0.50.0100.03317.87
7.0.40.0000.04720.19
7.0.30.0330.04720.17
7.0.20.0270.08320.12
7.0.10.0170.08020.15
7.0.00.0030.04320.29
5.6.280.0070.04720.91
5.6.210.0130.06020.51
5.6.200.0070.07318.13
5.6.190.0100.03720.63
5.6.180.0230.05020.55
5.6.170.0370.07720.71
5.6.160.0070.08320.47
5.6.150.0030.08318.18
5.6.140.0030.04018.27
5.6.130.0030.08018.27
5.6.120.0030.08021.00
5.6.110.0100.06321.05
5.6.100.0200.06321.11
5.6.90.0070.08720.99
5.6.80.0200.06720.35
5.5.350.0070.08020.45
5.5.340.0070.06017.99
5.5.330.0000.09020.35
5.5.320.3570.04020.41
5.5.310.0230.06320.34
5.5.300.0130.07017.96
5.5.290.0100.08318.07
5.5.280.0070.08720.76
5.5.270.0030.05720.82
5.5.260.0100.03720.87
5.5.250.0100.07720.58
5.5.240.0230.07020.26
5.4.450.4230.04019.18
5.4.440.4770.03719.17
5.4.430.4000.04019.52
5.4.420.4100.04719.47
5.4.410.4200.04319.36
5.4.400.4670.03718.95
5.4.390.4300.05019.05
5.4.380.2830.03719.13
5.4.370.3470.03319.09
5.4.360.3230.03018.99
5.4.350.3600.03019.09
5.4.340.2830.03319.08
5.4.320.3500.04018.99
5.4.310.3430.04019.24
5.4.300.4170.03719.15
5.4.290.4000.03718.99
5.4.280.4670.04019.13
5.4.270.4600.04318.94
5.4.260.4530.04718.82
5.4.250.4270.03319.12
5.4.240.3900.03719.14
5.4.230.4370.03018.94
5.4.220.4370.03719.07
5.4.210.4730.04319.19
5.4.200.3930.03718.99
5.4.190.3830.04318.86
5.4.180.3970.04018.97
5.4.170.4070.04019.00
5.4.160.4130.03719.04
5.4.150.4630.03719.13
5.4.140.4570.04316.35
5.4.130.3930.03016.51
5.4.120.4270.03316.51
5.4.110.4230.03716.51
5.4.100.4500.04016.54
5.4.90.4130.03316.27
5.4.80.3870.03316.18

preferences:
50.94 ms | 400 KiB | 5 Q