3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array('a' => 'a', 'b' => 'b' ); $b = array('a' => 'a_p', 'b' => 'b_p' ); $c = array_merge($a, $b); var_dump($c);

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)
8.3.60.0110.00418.18
8.3.50.0100.00721.14
8.3.40.0090.00618.45
8.3.30.0120.00320.03
8.3.20.0080.00020.25
8.3.10.0030.00622.05
8.3.00.0080.00022.45
8.2.180.0070.01116.38
8.2.170.0120.00922.96
8.2.160.0170.00022.25
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0000.00826.16
8.2.120.0080.00020.68
8.2.110.0060.00321.99
8.2.100.0050.00517.78
8.2.90.0000.00719.23
8.2.80.0050.00219.28
8.2.70.0060.00317.50
8.2.60.0050.00317.90
8.2.50.0040.00418.07
8.2.40.0060.00318.15
8.2.30.0040.00419.30
8.2.20.0030.00517.49
8.2.10.0000.00717.57
8.2.00.0040.00417.54
8.1.280.0070.00725.92
8.1.270.0080.00023.99
8.1.260.0080.00026.35
8.1.250.0050.00228.09
8.1.240.0090.00023.85
8.1.230.0090.00319.14
8.1.220.0050.00217.78
8.1.210.0080.00018.77
8.1.200.0060.00317.23
8.1.190.0000.00817.51
8.1.180.0080.00018.10
8.1.170.0090.00018.52
8.1.160.0090.00318.82
8.1.150.0050.00218.53
8.1.140.0070.00017.38
8.1.130.0040.00417.69
8.1.120.0000.00717.23
8.1.110.0040.00417.42
8.1.100.0000.00817.32
8.1.90.0070.00017.36
8.1.80.0030.00317.30
8.1.70.0060.00017.37
8.1.60.0040.00417.39
8.1.50.0000.00717.46
8.1.40.0020.00517.50
8.1.30.0000.00717.45
8.1.20.0040.00417.49
8.1.10.0000.00717.43
8.1.00.0000.00717.26
8.0.300.0050.00218.77
8.0.290.0040.00417.18
8.0.280.0050.00218.24
8.0.270.0000.00717.19
8.0.260.0070.00016.65
8.0.250.0030.00316.95
8.0.240.0060.00316.89
8.0.230.0070.00016.84
8.0.220.0070.00016.80
8.0.210.0030.00316.86
8.0.200.0000.00616.80
8.0.190.0030.00316.91
8.0.180.0000.00716.86
8.0.170.0030.00616.78
8.0.160.0040.00416.73
8.0.150.0070.00016.79
8.0.140.0040.00416.74
8.0.130.0030.00313.21
8.0.120.0000.00816.81
8.0.110.0000.00716.63
8.0.100.0020.00516.64
8.0.90.0070.00016.86
8.0.80.0090.00616.77
8.0.70.0000.00716.85
8.0.60.0030.00516.78
8.0.50.0000.00816.67
8.0.30.0120.01016.80
8.0.20.0110.00817.40
8.0.10.0070.00016.85
8.0.00.0040.01416.66
7.4.330.0000.00516.79
7.4.320.0040.00416.42
7.4.300.0030.00316.48
7.4.290.0000.00716.53
7.4.280.0040.00416.44
7.4.270.0000.00716.45
7.4.260.0000.00513.13
7.4.250.0060.00316.30
7.4.240.0040.00316.53
7.4.230.0030.00316.51
7.4.220.0030.01316.55
7.4.210.0050.01016.48
7.4.200.0020.00516.53
7.4.190.0030.00316.40
7.4.160.0070.01016.38
7.4.150.0070.01017.40
7.4.140.0110.00717.86
7.4.130.0100.00716.56
7.4.120.0100.00816.33
7.4.110.0040.01816.57
7.4.100.0100.00716.59
7.4.90.0100.01016.39
7.4.80.0030.02019.39
7.4.70.0110.01116.32
7.4.60.0070.01116.40
7.4.50.0040.00416.21
7.4.40.0040.00822.77
7.4.30.0100.00616.30
7.4.00.0090.00915.03
7.3.330.0020.00213.07
7.3.320.0050.00013.04
7.3.310.0040.00416.02
7.3.300.0000.00716.14
7.3.290.0100.00716.15
7.3.280.0090.00616.12
7.3.270.0030.01617.40
7.3.260.0140.00316.20
7.3.250.0070.00916.26
7.3.240.0100.00716.13
7.3.230.0030.01416.39
7.3.210.0120.00416.20
7.3.200.0090.01319.39
7.3.190.0030.01316.40
7.3.180.0040.01216.06
7.3.170.0040.01116.27
7.3.160.0040.01216.17
7.3.120.0100.00614.71
7.2.330.0070.01016.68
7.2.320.0190.00316.55
7.2.310.0130.00316.50
7.2.300.0130.00916.26
7.2.290.0100.00716.46
7.1.70.0060.00317.21
7.1.60.0000.01919.17
7.1.50.0070.01716.98
7.1.00.0030.03322.36
7.0.200.0050.00216.50
7.0.140.0070.07022.15
7.0.70.0370.03719.90
7.0.60.0400.04319.98
7.0.50.0830.08020.31
7.0.40.0100.07720.03
7.0.30.0070.07720.10
7.0.20.0030.05720.08
7.0.10.0000.08720.09
7.0.00.0070.08719.97
5.6.280.0070.07020.91
5.6.220.0030.04720.73
5.6.210.0000.03720.74
5.6.200.0070.06720.93
5.6.190.0170.06721.04
5.6.180.0130.07721.03
5.6.170.0070.07021.07
5.6.160.0000.08321.04
5.6.150.0030.08720.94
5.6.140.0000.08720.92
5.6.130.0070.05021.05
5.6.120.0070.09021.13
5.6.110.0100.07721.02
5.6.100.0100.05020.94
5.6.90.0130.08321.07
5.6.80.0070.08020.43
5.6.70.0070.08320.43
5.6.60.0030.07020.40
5.6.50.0170.07320.31
5.6.40.0100.06020.41
5.6.30.0070.08020.37
5.6.20.0130.05320.37
5.6.10.0030.04320.36
5.6.00.0130.07020.28
5.5.360.0000.04320.34
5.5.350.0030.04020.36
5.5.340.0170.07720.63
5.5.330.0200.04320.63
5.5.320.0130.07720.77
5.5.310.0070.09020.87
5.5.300.0130.06020.86
5.5.290.0100.06720.63
5.5.280.0030.09020.77
5.5.270.0130.07720.71
5.5.260.0000.09020.66
5.5.250.0030.04720.71
5.5.240.0100.05020.24
5.5.230.0030.05720.27
5.5.220.0100.07320.19
5.5.210.0130.07020.30
5.5.200.0130.07320.26
5.5.190.0100.07720.13
5.5.180.0030.05320.20
5.5.160.0170.07320.26
5.5.150.0070.06020.17
5.5.140.0030.04720.09
5.5.130.0000.05020.07
5.5.120.0030.05320.18
5.5.110.0100.05020.09
5.5.100.0100.07720.16
5.5.90.0130.07020.15
5.5.80.0100.06320.03
5.5.70.0130.08020.03
5.5.60.0170.06720.07
5.5.50.0030.05719.93
5.5.40.0170.06720.05
5.5.30.0070.04720.01
5.5.20.0030.04320.12
5.5.10.0100.07720.05
5.5.00.0070.05020.11
5.4.450.0100.08319.42
5.4.440.0100.05319.39
5.4.430.0030.08719.44
5.4.420.0100.05719.44
5.4.410.0100.04719.25
5.4.400.0100.07319.07
5.4.390.0000.05019.02
5.4.380.0030.08018.81
5.4.370.0130.06719.14
5.4.360.0100.08319.10
5.4.350.0070.08019.05
5.4.340.0170.06019.05
5.4.320.0070.08018.95
5.4.310.0070.07719.05
5.4.300.0100.07318.96
5.4.290.0000.06719.09
5.4.280.0100.06319.14
5.4.270.0070.05019.05
5.4.260.0030.05719.07
5.4.250.0030.07718.78
5.4.240.0070.07718.91
5.4.230.0030.08319.04
5.4.220.0130.06318.94
5.4.210.0030.04019.09
5.4.200.0030.07719.04
5.4.190.0100.06318.89
5.4.180.0100.03319.09
5.4.170.0000.08319.02
5.4.160.0100.04018.88
5.4.150.0130.04718.94
5.4.140.0130.05716.34
5.4.130.0130.05316.33
5.4.120.0070.05716.28
5.4.110.0130.07016.34
5.4.100.0100.04716.29
5.4.90.0100.06316.23
5.4.80.0100.07316.42
5.4.70.0100.07016.26
5.4.60.0200.05716.30
5.4.50.0070.07016.23
5.4.40.0100.07016.24
5.4.30.0030.04716.38
5.4.20.0100.07316.23
5.4.10.0170.06716.18
5.4.00.0030.07715.51
5.3.290.0070.08014.67
5.3.280.0130.05014.50
5.3.270.0000.04714.43
5.3.260.0030.08014.55
5.3.250.0100.07314.59
5.3.240.0030.07314.57
5.3.230.0070.07314.54
5.3.220.0070.07314.42
5.3.210.0070.05314.47
5.3.200.0070.07714.57
5.3.190.0100.06314.50
5.3.180.0200.06714.54
5.3.170.0070.07014.38
5.3.160.0030.08014.41
5.3.150.0100.07014.56
5.3.140.0200.07014.42
5.3.130.0130.07014.54
5.3.120.0030.08014.38
5.3.110.0070.06014.54
5.3.100.0100.07314.02
5.3.90.0170.06314.01
5.3.80.0170.06713.87
5.3.70.0070.07714.00
5.3.60.0100.07013.76
5.3.50.0030.07713.80
5.3.40.0170.05013.86
5.3.30.0000.07713.92
5.3.20.0000.05713.62
5.3.10.0000.05713.63
5.3.00.0100.04313.62
5.2.170.0070.03012.44
5.2.160.0130.05312.44
5.2.150.0000.06712.44
5.2.140.0030.04312.44
5.2.130.0070.05712.44
5.2.120.0030.06712.44
5.2.110.0030.04712.44
5.2.100.0030.06012.44
5.2.90.0070.06012.44
5.2.80.0030.06712.44
5.2.70.0070.06012.44
5.2.60.0030.06712.44
5.2.50.0030.05712.44
5.2.40.0030.06312.44
5.2.30.0100.05312.44
5.2.20.0030.06712.44
5.2.10.0070.05012.44
5.2.00.0000.06712.44
5.1.60.0030.04012.44
5.1.50.0030.04012.44
5.1.40.0070.04712.44
5.1.30.0000.04312.44
5.1.20.0100.05012.44
5.1.10.0030.05312.44
5.1.00.0000.04312.44
5.0.50.0100.02712.44
5.0.40.0070.04012.44
5.0.30.0030.06312.44
5.0.20.0070.03712.44
5.0.10.0100.03712.44
5.0.00.0030.06312.44
4.4.90.0030.03312.44
4.4.80.0030.03312.44
4.4.70.0070.03312.44
4.4.60.0070.02312.44
4.4.50.0030.03012.44
4.4.40.0000.04312.44
4.4.30.0030.03012.44
4.4.20.0070.03312.44
4.4.10.0030.02312.44
4.4.00.0000.02712.44
4.3.110.0030.02712.44
4.3.100.0000.02712.44
4.3.90.0000.02712.44
4.3.80.0030.04712.44
4.3.70.0000.03012.44
4.3.60.0000.03312.44
4.3.50.0000.03712.44
4.3.40.0030.05012.44
4.3.30.0030.03312.44
4.3.20.0030.02012.44
4.3.10.0000.03712.44
4.3.00.0030.02712.44

preferences:
46.26 ms | 401 KiB | 5 Q