3v4l.org

run code in 300+ PHP versions simultaneously
<?php $ar1 = [0,1,2,3,4]; $ar2 = [5,6,7,8,9]; var_dump($ar1); var_dump($ar2); var_dump(array_merge($ar1, $ar2));

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)
8.3.60.0070.01416.63
8.3.50.0080.01321.93
8.3.40.0100.00718.63
8.3.30.0030.01018.96
8.3.20.0080.00019.97
8.3.10.0050.00321.60
8.3.00.0040.00420.80
8.2.180.0100.01018.42
8.2.170.0090.00922.96
8.2.160.0140.00022.32
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0040.00419.66
8.2.110.0070.00419.30
8.2.100.0110.00018.22
8.2.90.0050.00319.09
8.2.80.0080.00017.97
8.2.70.0100.00317.38
8.2.60.0040.00417.91
8.2.50.0060.00318.07
8.2.40.0040.00418.09
8.2.30.0050.00517.86
8.2.20.0060.00317.48
8.2.10.0040.00417.88
8.2.00.0060.00317.51
8.1.280.0090.00925.92
8.1.270.0060.00318.88
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0030.00618.96
8.1.230.0120.00017.70
8.1.220.0030.00517.74
8.1.210.0000.00818.77
8.1.200.0030.00617.00
8.1.190.0050.00517.10
8.1.180.0000.00718.10
8.1.170.0060.00318.50
8.1.160.0030.00521.94
8.1.150.0070.00018.69
8.1.140.0040.00419.03
8.1.130.0000.00817.86
8.1.120.0000.00717.39
8.1.110.0000.00717.36
8.1.100.0040.00417.27
8.1.90.0000.00717.39
8.1.80.0000.00717.31
8.1.70.0000.00717.39
8.1.60.0040.00417.52
8.1.50.0040.00417.34
8.1.40.0080.00017.32
8.1.30.0000.00817.48
8.1.20.0040.00417.64
8.1.10.0000.00817.29
8.1.00.0070.00417.40
8.0.300.0070.00018.77
8.0.290.0000.00716.75
8.0.280.0040.00418.37
8.0.270.0070.00017.18
8.0.260.0030.00317.18
8.0.250.0040.00416.76
8.0.240.0000.00716.79
8.0.230.0050.00216.86
8.0.220.0030.00316.80
8.0.210.0040.00416.81
8.0.200.0000.00716.79
8.0.190.0070.00016.89
8.0.180.0040.00416.88
8.0.170.0000.00716.83
8.0.160.0000.00716.82
8.0.150.0000.00716.66
8.0.140.0040.00416.68
8.0.130.0030.00313.27
8.0.120.0030.00516.73
8.0.110.0000.00716.81
8.0.100.0000.00716.93
8.0.90.0000.00816.69
8.0.80.0090.01216.82
8.0.70.0070.00016.92
8.0.60.0030.00516.77
8.0.50.0080.00016.77
8.0.30.0100.01117.01
8.0.20.0200.01617.40
8.0.10.0030.00516.87
8.0.00.0130.00516.69
7.4.330.0030.00315.03
7.4.320.0030.00316.53
7.4.300.0030.00316.44
7.4.290.0030.00316.54
7.4.280.0000.00916.42
7.4.270.0030.00316.55
7.4.260.0070.00016.53
7.4.250.0000.00716.48
7.4.240.0020.00516.43
7.4.230.0060.00016.32
7.4.220.0030.02216.60
7.4.210.0090.00616.48
7.4.200.0070.00016.22
7.4.160.0100.00716.46
7.4.150.0140.01117.40
7.4.140.0170.01017.86
7.4.130.0050.01316.46
7.4.120.0070.01016.52
7.4.110.0120.00616.30
7.4.100.0070.01116.47
7.4.90.0130.00416.36
7.4.80.0060.01619.39
7.4.70.0030.01416.45
7.4.60.0140.00316.60
7.4.50.0040.00416.34
7.4.40.0030.01316.46
7.4.30.0090.00916.48
7.4.00.0000.01414.65
7.3.330.0030.00312.96
7.3.320.0040.00313.11
7.3.310.0040.00415.95
7.3.300.0030.00316.13
7.3.290.0060.00016.12
7.3.280.0060.01016.14
7.3.270.0100.00917.40
7.3.260.0130.01016.46
7.3.250.0140.00716.26
7.3.240.0040.01316.42
7.3.230.0030.01616.39
7.3.210.0100.00716.05
7.3.200.0100.01319.39
7.3.190.0160.00416.34
7.3.180.0130.00316.11
7.3.170.0140.00716.27
7.3.160.0110.00916.13
7.2.330.0070.01016.41
7.2.320.0060.01216.26
7.2.310.0140.00316.25
7.2.300.0070.01016.33
7.2.290.0060.01416.23
7.2.60.0030.01316.56
7.2.00.0090.00318.84
7.1.200.0060.00615.87
7.1.100.0060.00618.12
7.1.70.0000.01616.97
7.1.60.0110.01419.46
7.1.50.0070.01716.76
7.1.00.0070.07322.46
7.0.200.0120.00614.97
7.0.140.0000.09022.07
7.0.60.0100.05719.91
7.0.50.0130.08017.80
7.0.40.0100.08320.20
7.0.30.0200.03720.30
7.0.20.0400.04720.33
7.0.10.0030.05720.00
7.0.00.0030.04320.25
5.6.280.0000.08721.06
5.6.210.0000.08320.49
5.6.200.0070.07018.15
5.6.190.0100.07720.35
5.6.180.0300.05720.64
5.6.170.0170.06020.41
5.6.160.0070.08720.54
5.6.150.0130.07018.17
5.6.140.0030.06718.06
5.6.130.0000.04318.14
5.6.120.0130.07020.86
5.6.110.0070.08321.10
5.6.100.0030.06320.97
5.6.90.0130.07721.09
5.6.80.0000.04320.52
5.5.350.0300.07720.41
5.5.340.0030.04017.88
5.5.330.0030.04720.21
5.5.320.0070.08020.27
5.5.310.0230.05020.17
5.5.300.0000.04317.91
5.5.290.0130.07017.93
5.5.280.0070.07720.84
5.5.270.0070.06320.84
5.5.260.0100.07720.75
5.5.250.0000.04720.54
5.5.240.0070.07320.18
5.4.450.0730.05719.07
5.4.440.0870.05319.55
5.4.430.1030.05719.44
5.4.420.0730.05719.31
5.4.410.0900.05719.32
5.4.400.0870.05319.23
5.4.390.0100.08018.72
5.4.380.0400.06018.49
5.4.370.0300.04318.45
5.4.360.0170.05718.70
5.4.350.0200.06018.49
5.4.340.0170.06018.59
5.4.320.0230.05718.55
5.4.310.0200.05718.72
5.4.300.0200.07318.69
5.4.290.0230.07018.70
5.4.280.0330.06318.56
5.4.270.0300.07018.62
5.4.260.0170.06018.68
5.4.250.0170.07718.57
5.4.240.0230.05718.69
5.4.230.0270.05718.50
5.4.220.0100.07018.43
5.4.210.0200.05018.58
5.4.200.0230.05316.55
5.4.190.0230.05318.60
5.4.180.0130.08018.47
5.4.170.0230.07318.72
5.4.160.0330.06018.72
5.4.150.0130.06318.48
5.4.140.0130.06016.19
5.4.130.0170.05316.18
5.4.120.0230.06016.27
5.4.110.0130.06316.25
5.4.100.0200.05016.06
5.4.90.0170.05316.16
5.4.80.0130.05316.23
5.4.70.0200.05716.13
5.4.60.0300.05716.32
5.4.50.0230.04716.27
5.4.40.0130.06016.13
5.4.30.0170.05016.32
5.4.20.0100.05716.27
5.4.10.0170.06316.05
5.4.00.0200.04715.82
5.3.290.0230.07314.66
5.3.280.0370.05314.59
5.3.270.0070.06314.58
5.3.260.0230.05314.54
5.3.250.0230.04714.70
5.3.240.0270.05014.61
5.3.230.0200.06714.70
5.3.220.0230.06014.48
5.3.210.0270.05314.53
5.3.200.0130.05714.65
5.3.190.0170.05714.53
5.3.180.0230.04714.53
5.3.170.0230.06714.61
5.3.160.0230.06314.66
5.3.150.0170.07014.55
5.3.140.0130.05714.51
5.3.130.0130.06014.50
5.3.120.0130.06014.53
5.3.110.0070.06714.48
5.3.100.0100.06013.98
5.3.90.0370.04014.00
5.3.80.0200.05314.02
5.3.70.0070.06314.04
5.3.60.0230.06014.10
5.3.50.0270.06013.92
5.3.40.0200.06714.02
5.3.30.0070.06013.89
5.3.20.0130.05313.62
5.3.10.0200.05013.61
5.3.00.0100.06013.61
5.2.170.0130.05711.11
5.2.160.0200.04711.28
5.2.150.0130.04311.10
5.2.140.0030.06011.12
5.2.130.0070.05311.07
5.2.120.0200.04311.06
5.2.110.0130.04711.07
5.2.100.0230.03711.25
5.2.90.0170.04311.05
5.2.80.0170.04311.05
5.2.70.0200.03711.14
5.2.60.0070.05011.20
5.2.50.0170.05311.06
5.2.40.0100.05010.96
5.2.30.0100.06011.03
5.2.20.0130.05310.98
5.2.10.0100.04710.83
5.2.00.0070.04710.74
5.1.60.0100.03710.00
5.1.50.0100.0439.96
5.1.40.0170.04310.00
5.1.30.0100.05310.38
5.1.20.0100.05310.38
5.1.10.0070.04310.13
5.1.00.0170.03310.13
5.0.50.0100.0278.61
5.0.40.0070.0278.42
5.0.30.0100.0408.36
5.0.20.0070.0308.23
5.0.10.0070.0378.16
5.0.00.0100.0478.33
4.4.90.0100.0205.89
4.4.80.0030.0275.86
4.4.70.0100.0235.90
4.4.60.0070.0305.87
4.4.50.0030.0305.92
4.4.40.0100.0335.91
4.4.30.0070.0235.86
4.4.20.0030.0275.98
4.4.10.0070.0305.97
4.4.00.0130.0305.84
4.3.110.0070.0275.82
4.3.100.0030.0305.83
4.3.90.0000.0275.77
4.3.80.0100.0405.81
4.3.70.0100.0275.76
4.3.60.0070.0235.84
4.3.50.0030.0275.79
4.3.40.0070.0375.77
4.3.30.0030.0234.93
4.3.20.0130.0134.93
4.3.10.0000.0274.93
4.3.00.0070.01714.56

preferences:
40.21 ms | 401 KiB | 5 Q