3v4l.org

run code in 300+ PHP versions simultaneously
<?php $val = 'a'; var_dump(array_merge((array) $val, null));

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)
8.3.60.0110.00716.50
8.3.50.0100.01322.81
8.3.40.0100.00618.71
8.3.30.0110.00419.27
8.3.20.0040.00420.27
8.3.10.0080.00023.60
8.3.00.0080.00019.38
8.2.180.0120.00416.63
8.2.170.0110.00422.96
8.2.160.0040.01120.35
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0030.00620.77
8.2.110.0000.00820.11
8.2.100.0000.01218.00
8.2.90.0060.00319.08
8.2.80.0030.00517.97
8.2.70.0070.00317.75
8.2.60.0080.00017.80
8.2.50.0110.00318.07
8.2.40.0040.00418.02
8.2.30.0040.00418.00
8.2.20.0050.00317.73
8.2.10.0000.00817.93
8.2.00.0040.00417.74
8.1.280.0110.00325.92
8.1.270.0040.00423.86
8.1.260.0060.00326.35
8.1.250.0070.00028.09
8.1.240.0060.00322.02
8.1.230.0040.00819.01
8.1.220.0060.00317.76
8.1.210.0000.00818.77
8.1.200.0040.00817.35
8.1.190.0050.00316.98
8.1.180.0040.00418.10
8.1.170.0080.00318.57
8.1.160.0000.00722.00
8.1.150.0040.00418.81
8.1.140.0070.00017.38
8.1.130.0030.00317.81
8.1.120.0000.00817.35
8.1.110.0040.00417.27
8.1.100.0030.00317.31
8.1.90.0000.00717.36
8.1.80.0030.00817.37
8.1.70.0000.00817.43
8.1.60.0040.00417.66
8.1.50.0040.00417.42
8.1.40.0040.00417.49
8.1.30.0040.00417.63
8.1.20.0030.00617.65
8.1.10.0060.00317.53
8.1.00.0080.00017.46
8.0.300.0060.00318.77
8.0.290.0020.00516.75
8.0.280.0000.00818.38
8.0.270.0050.00217.17
8.0.260.0000.00617.23
8.0.250.0000.00616.84
8.0.240.0000.00816.84
8.0.230.0000.00616.83
8.0.220.0030.00316.87
8.0.210.0070.00016.77
8.0.200.0000.00616.93
8.0.190.0030.00316.80
8.0.180.0000.00716.80
8.0.170.0000.00816.97
8.0.160.0040.00416.91
8.0.150.0000.00716.89
8.0.140.0060.00316.81
8.0.130.0070.00013.30
8.0.120.0000.00816.94
8.0.110.0070.00016.84
8.0.100.0040.00416.99
8.0.90.0030.00316.82
8.0.80.0120.00316.87
8.0.70.0040.00416.88
8.0.60.0040.00416.81
8.0.50.0040.00416.88
8.0.30.0140.01017.08
8.0.20.0090.00917.40
8.0.10.0070.00016.99
8.0.00.0110.00916.86
7.4.330.0050.00015.14
7.4.320.0000.00616.58
7.4.300.0050.00216.49
7.4.290.0030.00316.56
7.4.280.0050.00316.56
7.4.270.0030.00316.60
7.4.260.0040.00416.50
7.4.250.0040.00416.45
7.4.240.0030.00516.53
7.4.230.0070.00016.62
7.4.220.0140.00516.44
7.4.210.0070.00816.55
7.4.200.0050.00316.67
7.4.160.0180.00916.52
7.4.150.0090.01617.40
7.4.140.0090.01117.86
7.4.130.0060.01016.52
7.4.120.0090.01016.32
7.4.110.0110.01216.61
7.4.100.0100.01016.49
7.4.90.0040.01316.49
7.4.80.0170.00019.39
7.4.70.0110.00516.49
7.4.60.0090.00616.48
7.4.50.0000.00416.59
7.4.40.0030.01316.63
7.4.30.0040.01416.49
7.4.00.0040.00815.07
7.3.330.0030.00313.24
7.3.320.0050.00013.12
7.3.310.0070.00016.29
7.3.300.0070.00016.20
7.3.290.0160.00316.25
7.3.280.0090.00816.26
7.3.270.0060.01117.40
7.3.260.0130.00516.32
7.3.250.0140.00316.24
7.3.240.0090.00816.40
7.3.230.0070.01016.39
7.3.210.0030.01516.47
7.3.200.0060.01219.39
7.3.190.0130.00916.22
7.3.180.0090.00616.46
7.3.170.0050.01516.40
7.3.160.0060.00916.42
7.2.330.0140.00516.35
7.2.320.0110.00816.47
7.2.310.0040.01516.59
7.2.300.0040.01216.60
7.2.290.0030.01316.55
7.2.60.0120.00316.71
7.2.00.0030.01019.45
7.1.200.0030.01015.68
7.1.100.0230.00716.32
7.1.70.0050.00816.96
7.1.60.0150.01119.46
7.1.50.0100.01316.86
7.1.00.0000.07722.28
7.0.200.0000.01016.76
7.0.140.0030.07322.08
7.0.100.0270.07720.02
7.0.90.0430.07719.87
7.0.80.0270.07719.92
7.0.70.0030.08719.91
7.0.60.0230.05019.89
7.0.50.0370.06720.27
7.0.40.0070.06720.10
7.0.30.0030.09320.11
7.0.20.0000.05020.09
7.0.10.0170.06720.00
7.0.00.0030.08720.12
5.6.280.0070.07021.03
5.6.250.0070.07320.81
5.6.240.0230.06720.54
5.6.230.0130.07320.65
5.6.220.0100.07720.61
5.6.210.0100.06020.61
5.6.200.0070.07321.08
5.6.190.0070.05021.04
5.6.180.0000.08320.93
5.6.170.0170.06321.09
5.6.160.0100.07721.08
5.6.150.0070.06721.08
5.6.140.0130.04321.10
5.6.130.0100.08720.95
5.6.120.0130.08321.01
5.6.110.0070.06720.99
5.6.100.0000.08720.94
5.6.90.0030.05721.00
5.6.80.0130.04720.52
5.6.70.0100.06720.38
5.6.60.0070.08020.33
5.6.50.0100.07320.39
5.6.40.0200.06320.38
5.6.30.0130.07020.30
5.6.20.0030.08320.52
5.6.10.0100.07020.39
5.6.00.0070.07020.40
5.5.380.0030.08320.41
5.5.370.0070.08320.44
5.5.360.0070.06020.39
5.5.350.0130.07720.36
5.5.340.0100.08020.74
5.5.330.0130.06720.77
5.5.320.0070.07320.78
5.5.310.0170.07720.91
5.5.300.0100.08020.63
5.5.290.0200.06320.91
5.5.280.0070.08720.82
5.5.270.0070.07720.86
5.5.260.0070.08320.89
5.5.250.0100.05720.71
5.5.240.0100.07720.31
5.5.230.0070.08320.24
5.5.220.0100.07720.01
5.5.210.0130.03720.13
5.5.200.0070.06020.15
5.5.190.0100.07720.23
5.5.180.0030.08020.26
5.5.160.0030.04020.06
5.5.150.0130.03320.20
5.5.140.0030.03720.24
5.5.130.0030.04020.10
5.5.120.0070.03720.26
5.5.110.0030.04020.21
5.5.100.0030.05320.11
5.5.90.0030.04020.14
5.5.80.0070.04020.14
5.5.70.0070.03720.03
5.5.60.0030.04020.00
5.5.50.0000.04320.04
5.5.40.0070.07320.04
5.5.30.0070.07720.09
5.5.20.0000.06019.92
5.5.10.0030.04720.10
5.5.00.0070.05020.04
5.4.450.0030.09019.39
5.4.440.0000.05319.34
5.4.430.0070.07719.46
5.4.420.0030.05019.39
5.4.410.0030.07719.42
5.4.400.0130.06018.95
5.4.390.0100.05018.81
5.4.380.0100.07319.16
5.4.370.0070.07719.14
5.4.360.0070.07319.05
5.4.350.0070.07318.90
5.4.340.0070.04319.23
5.4.320.0000.04319.23
5.4.310.0030.04318.90
5.4.300.0070.03319.04
5.4.290.0030.03718.81
5.4.280.0070.03319.03
5.4.270.0000.04018.98
5.4.260.0030.04019.04
5.4.250.0070.03318.80
5.4.240.0030.03718.94
5.4.230.0070.03318.81
5.4.220.0000.04719.02
5.4.210.0070.03319.03
5.4.200.0130.05019.02
5.4.190.0070.03318.89
5.4.180.0030.04019.02
5.4.170.0070.03019.24
5.4.160.0000.05019.00
5.4.150.0070.03319.02
5.4.140.0070.05016.08
5.4.130.0000.04016.36
5.4.120.0130.02316.38
5.4.110.0000.04016.44
5.4.100.0000.03716.42
5.4.90.0030.04316.21
5.4.80.0130.02316.36
5.4.70.0070.03316.37
5.4.60.0030.03316.29
5.4.50.0000.03716.28
5.4.40.0000.04016.36
5.4.30.0070.03316.36
5.4.20.0000.03316.41
5.4.10.0070.03316.41
5.4.00.0070.03015.71
5.3.290.0030.03714.66
5.3.280.0000.04014.58
5.3.270.0000.04714.56
5.3.260.0000.04314.55
5.3.250.0030.04714.59
5.3.240.0130.03014.42
5.3.230.0070.03714.59
5.3.220.0030.04714.42
5.3.210.0030.03714.51
5.3.200.0000.04014.52
5.3.190.0030.04314.38
5.3.180.0000.04314.55
5.3.170.0070.03314.55
5.3.160.0000.04014.42
5.3.150.0030.03714.52
5.3.140.0000.06014.55
5.3.130.0000.04014.53
5.3.120.0000.04014.36
5.3.110.0070.03014.51
5.3.100.0070.04314.04
5.3.90.0030.06713.93
5.3.80.0030.07714.01
5.3.70.0000.03713.93
5.3.60.0100.06713.91
5.3.50.0000.03713.94
5.3.40.0100.03713.93
5.3.30.0000.04013.90
5.3.20.0070.03713.67
5.3.10.0030.04013.66
5.3.00.0030.04313.63
5.2.170.0030.05010.96
5.2.160.0000.03010.98
5.2.150.0030.04311.14
5.2.140.0000.03010.96
5.2.130.0070.02710.92
5.2.120.0030.02711.09
5.2.110.0070.05711.09
5.2.100.0030.06311.09
5.2.90.0130.03711.05
5.2.80.0070.06010.89
5.2.70.0100.05711.08
5.2.60.0070.05711.05
5.2.50.0030.06710.88
5.2.40.0100.04010.84
5.2.30.0030.06710.92
5.2.20.0070.05710.82
5.2.10.0070.06010.91
5.2.00.0070.04310.62
5.1.60.0100.04710.07
5.1.50.0030.0539.98
5.1.40.0030.0579.81
5.1.30.0070.02710.35
5.1.20.0000.06010.41
5.1.10.0070.0609.94
5.1.00.0000.04010.05
5.0.50.0100.0408.34
5.0.40.0070.0438.47
5.0.30.0030.0638.25
5.0.20.0070.0208.25
5.0.10.0000.0308.24
5.0.00.0070.0608.24
4.4.90.0030.0378.24
4.4.80.0030.0308.24
4.4.70.0030.0378.24
4.4.60.0000.0378.24
4.4.50.0030.0308.24
4.4.40.0030.0408.24
4.4.30.0130.0278.24
4.4.20.0030.0338.24
4.4.10.0030.0308.24
4.4.00.0030.0508.24
4.3.110.0000.0378.24
4.3.100.0070.0308.24
4.3.90.0070.0108.24
4.3.80.0000.0338.24
4.3.70.0030.0278.24
4.3.60.0030.0308.24
4.3.50.0000.0308.24
4.3.40.0000.0408.24
4.3.30.0030.0338.24
4.3.20.0000.0338.24
4.3.10.0000.0378.24
4.3.00.0000.0378.24

preferences:
51.18 ms | 401 KiB | 5 Q