3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = array('a'=>1,'c'=>5); $y = array_merge(array('a'=>2, 'b'=>4, 'c'=>6), $x); var_dump($y);

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)
8.3.70.0060.01016.38
8.3.60.0090.00616.25
8.3.50.0120.00921.95
8.3.40.0120.00318.77
8.3.30.0090.00618.93
8.3.20.0000.00820.16
8.3.10.0040.00423.71
8.3.00.0070.00419.26
8.2.180.0060.00917.99
8.2.170.0110.00422.96
8.2.160.0120.00320.44
8.2.150.0040.00424.18
8.2.140.0030.00524.66
8.2.130.0080.00026.16
8.2.120.0080.00022.30
8.2.110.0100.01321.01
8.2.100.0040.00817.72
8.2.90.0000.00819.28
8.2.80.0080.00017.97
8.2.70.0000.00817.38
8.2.60.0000.00917.93
8.2.50.0040.00418.07
8.2.40.0060.00317.86
8.2.30.0030.00617.86
8.2.20.0040.00417.52
8.2.10.0000.00819.85
8.2.00.0040.00417.60
8.1.280.0000.01425.92
8.1.270.0000.00823.91
8.1.260.0070.00026.35
8.1.250.0070.00028.09
8.1.240.0030.00621.09
8.1.230.0050.00517.42
8.1.220.0000.00817.79
8.1.210.0040.00418.77
8.1.200.0040.00417.22
8.1.190.0080.00016.88
8.1.180.0000.00818.10
8.1.170.0060.00318.54
8.1.160.0070.00022.00
8.1.150.0000.00818.52
8.1.140.0040.00417.39
8.1.130.0030.00317.68
8.1.120.0040.00417.32
8.1.110.0000.00717.37
8.1.100.0040.00417.29
8.1.90.0040.00417.32
8.1.80.0000.00717.43
8.1.70.0050.00217.32
8.1.60.0030.00617.38
8.1.50.0050.00517.46
8.1.40.0030.00517.35
8.1.30.0040.00417.54
8.1.20.0030.00617.51
8.1.10.0040.00417.39
8.1.00.0020.00517.42
8.0.300.0080.00018.77
8.0.290.0040.00416.58
8.0.280.0040.00418.38
8.0.270.0040.00417.06
8.0.260.0070.00017.20
8.0.250.0030.00316.89
8.0.240.0040.00416.89
8.0.230.0000.00716.88
8.0.220.0040.00416.73
8.0.210.0070.00016.79
8.0.200.0040.00416.94
8.0.190.0000.00716.95
8.0.180.0030.00616.89
8.0.170.0000.00816.81
8.0.160.0040.00416.69
8.0.150.0030.00616.72
8.0.140.0040.00416.68
8.0.130.0000.00513.20
8.0.120.0080.00016.74
8.0.110.0050.00316.71
8.0.100.0000.00716.68
8.0.90.0040.00416.93
8.0.80.0070.01016.84
8.0.70.0030.00616.86
8.0.60.0130.00016.60
8.0.50.0000.00816.68
8.0.30.0120.00917.05
8.0.20.0090.00917.40
8.0.10.0030.00517.00
8.0.00.0130.00316.62
7.4.330.0000.00715.04
7.4.320.0060.00016.58
7.4.300.0020.00516.57
7.4.290.0030.00316.57
7.4.280.0000.00716.33
7.4.270.0040.00416.48
7.4.260.0070.00016.44
7.4.250.0040.00416.51
7.4.240.0040.00316.47
7.4.230.0000.00716.43
7.4.220.0070.01116.45
7.4.210.0070.00716.52
7.4.200.0040.00416.43
7.4.190.0000.00716.69
7.4.160.0030.01316.31
7.4.150.0110.00717.40
7.4.140.0100.00817.86
7.4.130.0070.00716.31
7.4.120.0080.00916.41
7.4.110.0090.00916.30
7.4.100.0150.00916.55
7.4.90.0090.00916.32
7.4.80.0070.01019.39
7.4.70.0030.01316.36
7.4.60.0080.00816.31
7.4.50.0040.00416.43
7.4.40.0120.00222.77
7.4.30.0040.01216.29
7.4.00.0060.00914.68
7.3.330.0050.00013.05
7.3.320.0050.00012.88
7.3.310.0080.00016.19
7.3.300.0000.00716.17
7.3.290.0100.00616.10
7.3.280.0080.00916.13
7.3.270.0050.01017.40
7.3.260.0170.00716.21
7.3.250.0080.00816.19
7.3.240.0110.00516.37
7.3.230.0120.00616.50
7.3.210.0080.00816.18
7.3.200.0090.01319.39
7.3.190.0120.01216.30
7.3.180.0180.00415.98
7.3.170.0040.01716.27
7.3.160.0110.00416.33
7.3.120.0060.00614.46
7.2.330.0090.00916.41
7.2.320.0070.01316.64
7.2.310.0160.00616.48
7.2.300.0110.01116.43
7.2.290.0120.00916.47
7.2.60.0230.00616.03
7.2.00.0070.00719.10
7.1.200.0030.00615.85
7.1.100.0000.01318.23
7.1.70.0030.01017.13
7.1.60.0070.01719.33
7.1.50.0250.00034.61
7.1.00.0030.07722.31
7.0.200.0080.00016.75
7.0.140.0030.07322.10
7.0.120.0070.03721.91
7.0.110.0030.03321.90
7.0.100.0000.03722.11
7.0.90.0000.04322.14
7.0.80.0030.03722.02
7.0.70.0030.03722.00
7.0.60.0000.04721.67
7.0.50.0000.03321.95
7.0.40.0030.07320.04
7.0.30.0070.07319.98
7.0.20.0030.08319.93
7.0.10.0030.07320.03
7.0.00.0130.06320.10
5.6.280.0000.07721.09
5.6.270.0030.04021.05
5.6.260.0000.04320.93
5.6.250.0030.03020.84
5.6.240.0030.04020.88
5.6.230.0000.03720.69
5.6.220.0030.03721.00
5.6.210.0000.03320.93
5.6.200.0100.03320.95
5.6.190.0000.05021.00
5.6.180.0030.04321.03
5.6.170.0030.06320.78
5.6.160.0070.06720.98
5.6.150.0000.05020.88
5.6.140.0070.06320.91
5.6.130.0070.02720.87
5.6.120.0070.03720.88
5.6.110.0000.08320.77
5.6.100.0000.08020.82
5.6.90.0000.08020.86
5.6.80.0030.07020.14
5.6.70.0000.04020.21
5.6.60.0100.06020.32
5.6.50.0030.07320.33
5.6.40.0030.06320.25
5.6.30.0130.02320.34
5.6.20.0070.07320.22
5.6.10.0000.08320.21
5.6.00.0130.07320.03
5.5.380.0000.04317.64
5.5.370.0000.03317.63
5.5.360.0070.03317.50
5.5.350.0000.04017.60
5.5.340.0030.03717.84
5.5.330.0030.05718.02
5.5.320.0030.04017.89
5.5.310.0070.05318.02
5.5.300.0030.04317.84
5.5.290.0000.04018.10
5.5.280.0000.04317.84
5.5.270.0000.05318.16
5.5.260.0000.07318.09
5.5.250.0030.08017.91
5.5.240.0000.06317.54
5.5.230.0000.05317.53
5.5.220.0030.04717.23
5.5.210.0030.07017.51
5.5.200.0000.07317.25
5.5.190.0000.08017.60
5.5.180.0070.06717.37
5.5.160.0030.05317.34
5.5.150.0000.06017.45
5.5.140.0030.06017.21
5.5.130.0030.07017.21
5.5.120.0070.07717.19
5.5.110.0000.04017.37
5.5.100.0100.06317.24
5.5.90.0030.07717.23
5.5.80.0030.06317.27
5.5.70.0070.07317.13
5.5.60.0030.07017.36
5.5.50.0070.07017.36
5.5.40.0000.08317.34
5.5.30.0100.05717.13
5.5.20.0000.05317.10
5.5.10.0070.03717.40
5.5.00.0070.06717.33
5.4.450.0030.07319.39
5.4.440.0030.04019.43
5.4.430.0030.03719.27
5.4.420.0030.07719.27
5.4.410.0000.06319.30
5.4.400.0000.05018.98
5.4.390.0070.07319.02
5.4.380.0000.07318.97
5.4.370.0070.06718.98
5.4.360.0000.03718.89
5.4.350.0000.07019.14
5.4.340.0000.04318.89
5.4.320.0000.05019.02
5.4.310.0000.04318.97
5.4.300.0070.04318.89
5.4.290.0100.06718.89
5.4.280.0070.06719.06
5.4.270.0070.04318.89
5.4.260.0030.05719.06
5.4.250.0130.05718.96
5.4.240.0070.07318.88
5.4.230.0070.03319.11
5.4.220.0000.07318.96
5.4.210.0030.07018.92
5.4.200.0000.07018.87
5.4.190.0070.03718.86
5.4.180.0000.04718.93
5.4.170.0030.04719.20
5.4.160.0070.03718.87
5.4.150.0100.05718.87
5.4.140.0030.03716.41
5.4.130.0000.07716.38
5.4.120.0070.06716.16
5.4.110.0000.03716.43
5.4.100.0000.07016.47
5.4.90.0000.03016.18
5.4.80.0030.07016.30
5.4.70.0030.04016.39
5.4.60.0030.06716.20
5.4.50.0070.07016.21
5.4.40.0000.03716.24
5.4.30.0030.07316.41
5.4.20.0030.06316.32
5.4.10.0000.03316.42
5.4.00.0000.04015.61
5.3.290.0030.07714.76
5.3.280.0030.04014.61
5.3.270.0000.07014.66
5.3.260.0000.04714.62
5.3.250.0070.03714.43
5.3.240.0000.04014.39
5.3.230.0000.05314.44
5.3.220.0000.07014.44
5.3.210.0030.04314.63
5.3.200.0070.06714.52
5.3.190.0030.07014.47
5.3.180.0070.07014.59
5.3.170.0000.07014.45
5.3.160.0000.07714.55
5.3.150.0070.06014.45
5.3.140.0030.06714.50
5.3.130.0030.04014.39
5.3.120.0000.04314.33
5.3.110.0000.07714.61
5.3.100.0030.07014.14
5.3.90.0030.07014.04
5.3.80.0070.05713.87
5.3.70.0000.07713.90
5.3.60.0070.03713.88
5.3.50.0030.04014.00
5.3.40.0000.07013.96
5.3.30.0130.03013.78
5.3.20.0130.07013.63
5.3.10.0030.06713.66
5.3.00.0030.07313.49
5.2.170.0000.06311.15
5.2.160.0000.05711.05
5.2.150.0000.06711.20
5.2.140.0000.05011.07
5.2.130.0030.06011.04
5.2.120.0030.05711.02
5.2.110.0070.03311.12
5.2.100.0070.04711.17
5.2.90.0030.06011.01
5.2.80.0070.05711.00
5.2.70.0000.05711.15
5.2.60.0000.05310.98
5.2.50.0030.04011.08
5.2.40.0030.05710.93
5.2.30.0000.06711.03
5.2.20.0000.05010.86
5.2.10.0030.05710.86
5.2.00.0000.06010.61
5.1.60.0000.04010.00
5.1.50.0030.03710.00
5.1.40.0000.03010.00
5.1.30.0000.03010.32
5.1.20.0030.05010.48
5.1.10.0000.03710.05
5.1.00.0000.02310.23
5.0.50.0000.03010.00
5.0.40.0030.03710.00
5.0.30.0030.02710.00
5.0.20.0000.02010.00
5.0.10.0030.03010.00
5.0.00.0000.05310.00
4.4.90.0000.02710.00
4.4.80.0000.02010.00
4.4.70.0030.03010.00
4.4.60.0000.02710.00
4.4.50.0000.03310.00
4.4.40.0000.02710.00
4.4.30.0000.02010.00
4.4.20.0030.02310.00
4.4.10.0030.02710.00
4.4.00.0000.02310.00
4.3.110.0000.01710.00
4.3.100.0000.01310.00
4.3.90.0030.01010.00
4.3.80.0000.02310.00
4.3.70.0030.01010.00
4.3.60.0000.01310.00
4.3.50.0000.01310.00
4.3.40.0000.03010.00
4.3.30.0000.01710.00
4.3.20.0000.01710.00
4.3.10.0000.01710.00
4.3.00.0030.01710.00

preferences:
38.92 ms | 401 KiB | 5 Q