3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array (1, 2, 3); $b = array ("a" => 1, 4); var_dump ($a + $b); var_dump (array_merge($a, $b));

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)
8.3.40.0070.00718.61
8.3.30.0070.00718.83
8.3.20.0070.00020.10
8.3.10.0000.00822.10
8.3.00.0080.00022.52
8.2.170.0110.00422.96
8.2.160.0090.00620.57
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0030.01026.16
8.2.120.0040.00419.64
8.2.110.0060.00322.24
8.2.100.0070.00419.21
8.2.90.0000.00719.07
8.2.80.0040.00419.21
8.2.70.0080.00417.38
8.2.60.0080.00017.78
8.2.50.0080.00018.07
8.2.40.0080.00018.22
8.2.30.0070.00017.99
8.2.20.0040.00417.70
8.2.10.0030.00617.58
8.2.00.0050.00917.76
8.1.270.0050.00320.30
8.1.260.0080.00026.35
8.1.250.0050.00328.09
8.1.240.0100.00023.79
8.1.230.0070.00419.00
8.1.220.0000.00717.74
8.1.210.0050.00318.77
8.1.200.0090.00417.23
8.1.190.0000.00817.53
8.1.180.0040.00418.85
8.1.170.0040.00418.59
8.1.160.0070.00022.11
8.1.150.0040.00418.56
8.1.140.0040.00417.38
8.1.130.0000.00817.68
8.1.120.0000.00717.38
8.1.110.0040.00417.32
8.1.100.0000.00817.38
8.1.90.0090.00017.40
8.1.80.0040.00417.44
8.1.70.0030.00317.39
8.1.60.0030.00617.51
8.1.50.0000.00717.42
8.1.40.0040.00417.27
8.1.30.0030.00617.57
8.1.20.0080.00017.58
8.1.10.0060.00317.40
8.1.00.0060.00617.34
8.0.300.0000.00818.77
8.0.290.0070.00017.05
8.0.280.0030.00318.32
8.0.270.0000.00717.10
8.0.260.0060.00016.88
8.0.250.0000.00716.82
8.0.240.0060.00316.85
8.0.230.0000.00816.88
8.0.220.0000.00716.86
8.0.210.0000.00716.91
8.0.200.0030.00316.87
8.0.190.0050.00516.98
8.0.180.0000.00716.90
8.0.170.0060.00316.86
8.0.160.0030.00316.81
8.0.150.0050.00216.86
8.0.140.0080.00016.88
8.0.130.0030.00313.32
8.0.120.0080.00016.80
8.0.110.0000.00716.82
8.0.100.0050.00316.68
8.0.90.0000.00816.82
8.0.80.0090.01216.90
8.0.70.0000.00716.91
8.0.60.0040.00416.85
8.0.50.0040.00416.67
8.0.30.0120.00816.98
8.0.20.0050.01717.40
8.0.10.0000.00816.86
8.0.00.0130.00516.74
7.4.330.0060.00015.08
7.4.320.0000.00616.32
7.4.300.0060.00016.32
7.4.290.0000.00716.49
7.4.280.0040.00416.36
7.4.270.0000.00716.29
7.4.260.0000.00716.33
7.4.250.0070.00016.44
7.4.240.0050.00216.47
7.4.230.0030.00316.36
7.4.220.0120.00616.29
7.4.210.0050.00916.49
7.4.200.0050.00216.64
7.4.190.0040.00416.53
7.4.160.0130.00316.56
7.4.150.0100.01317.40
7.4.140.0090.01117.86
7.4.130.0090.00916.45
7.4.120.0120.00616.48
7.4.110.0100.01316.38
7.4.100.0100.01016.37
7.4.90.0110.00716.34
7.4.80.0060.01119.39
7.4.70.0090.00916.34
7.4.60.0090.00616.37
7.4.50.0040.00016.21
7.4.40.0040.01122.77
7.4.30.0130.00316.37
7.4.00.0100.00614.40
7.3.330.0000.00513.12
7.3.320.0050.00012.98
7.3.310.0000.00816.16
7.3.300.0040.00416.18
7.3.290.0100.01016.17
7.3.280.0040.01216.22
7.3.270.0170.00017.40
7.3.260.0130.00316.45
7.3.250.0090.01116.38
7.3.240.0140.00316.40
7.3.230.0170.00016.41
7.3.210.0060.01016.14
7.3.200.0140.01019.39
7.3.190.0100.01416.21
7.3.180.0100.00716.37
7.3.170.0100.01016.27
7.3.160.0040.01316.13
7.3.120.0030.01214.66
7.2.330.0150.00416.23
7.2.320.0110.00816.48
7.2.310.0060.01916.32
7.2.300.0090.01216.34
7.2.290.0040.01316.67
7.1.200.0040.01115.70
7.1.70.0040.00417.28
7.1.60.0120.01219.82
7.1.50.0030.01716.92
7.1.00.0030.06022.45
7.0.200.0040.00716.47
7.0.140.0100.06722.08
7.0.100.0100.08019.99
7.0.90.0030.08319.94
7.0.80.0170.04319.93
7.0.70.0130.06719.84
7.0.60.0170.06319.95
7.0.50.0130.07020.30
7.0.40.0030.05320.09
7.0.30.0170.04020.10
7.0.20.0030.05020.13
7.0.10.0100.07020.13
7.0.00.0000.05719.95
5.6.280.0070.07020.90
5.6.250.0100.06320.58
5.6.240.0070.08720.58
5.6.230.0100.07720.56
5.6.220.0000.07320.66
5.6.210.0070.04320.74
5.6.200.0130.07720.95
5.6.190.0130.04320.93
5.6.180.0070.05021.10
5.6.170.0100.03721.02
5.6.160.0070.07721.10
5.6.150.0070.04021.07
5.6.140.0070.08020.93
5.6.130.0130.06321.03
5.6.120.0100.04721.05
5.6.110.0170.07321.15
5.6.100.0070.05320.94
5.6.90.0100.05720.90
5.6.80.0100.07020.48
5.6.70.0070.04020.49
5.6.60.0100.08020.40
5.6.50.0070.05320.40
5.6.40.0070.04320.27
5.6.30.0070.04320.48
5.6.20.0030.06720.30
5.6.10.0000.08020.31
5.6.00.0070.04320.31
5.5.380.0100.03720.39
5.5.370.0070.08320.34
5.5.360.0070.07720.34
5.5.350.0100.08020.36
5.5.340.0130.07720.89
5.5.330.0070.06720.92
5.5.320.0000.07320.92
5.5.310.0130.06320.63
5.5.300.0130.07320.72
5.5.290.0030.05020.91
5.5.280.0130.04320.82
5.5.270.0070.07020.86
5.5.260.0100.07020.71
5.5.250.0070.07020.60
5.5.240.0030.05020.30
5.5.230.0030.06320.28
5.5.220.0030.04320.25
5.5.210.0030.07020.29
5.5.200.0100.04720.21
5.5.190.0030.04020.26
5.5.180.0070.06720.26
5.5.160.0030.06320.07
5.5.150.0030.07720.23
5.5.140.0070.04720.11
5.5.130.0030.05020.20
5.5.120.0070.06020.16
5.5.110.0070.07720.17
5.5.100.0070.06320.04
5.5.90.0130.07020.10
5.5.80.0130.07020.01
5.5.70.0130.06320.03
5.5.60.0070.07020.05
5.5.50.0100.03020.10
5.5.40.0130.07020.03
5.5.30.0100.06720.12
5.5.20.0070.06720.14
5.5.10.0070.04720.10
5.5.00.0000.04320.00
5.4.450.0070.07019.44
5.4.440.0030.07719.42
5.4.430.0030.04719.46
5.4.420.0130.07319.45
5.4.410.0130.07319.22
5.4.400.0170.06019.15
5.4.390.0230.05718.94
5.4.380.0100.03718.96
5.4.370.0100.04019.05
5.4.360.0070.05019.04
5.4.350.0070.06019.13
5.4.340.0070.06719.03
5.4.320.0030.04319.05
5.4.310.0130.07019.10
5.4.300.0000.04319.09
5.4.290.0070.07319.03
5.4.280.0000.04718.90
5.4.270.0100.04019.02
5.4.260.0100.05318.94
5.4.250.0030.05719.02
5.4.240.0170.06319.11
5.4.230.0070.08319.14
5.4.220.0030.03319.02
5.4.210.0200.04018.95
5.4.200.0030.08019.06
5.4.190.0100.06019.11
5.4.180.0100.03018.80
5.4.170.0030.06018.95
5.4.160.0100.05719.03
5.4.150.0030.03719.17
5.4.140.0070.05016.34
5.4.130.0100.05016.33
5.4.120.0070.06716.28
5.4.110.0100.04016.40
5.4.100.0100.06316.36
5.4.90.0100.02716.41
5.4.80.0070.07316.31
5.4.70.0100.07016.35
5.4.60.0100.05016.31
5.4.50.0070.05316.28
5.4.40.0130.06716.23
5.4.30.0070.05716.41
5.4.20.0070.07016.41
5.4.10.0000.06016.34
5.4.00.0000.04015.53
5.3.290.0030.05314.65
5.3.280.0130.06014.45
5.3.270.0000.08314.59
5.3.260.0030.04014.56
5.3.250.0030.05714.56
5.3.240.0070.03314.43
5.3.230.0030.04014.60
5.3.220.0070.03314.50
5.3.210.0070.03714.56
5.3.200.0000.04014.52
5.3.190.0130.04314.59
5.3.180.0000.03714.48
5.3.170.0100.07314.55
5.3.160.0000.03714.42
5.3.150.0030.06314.42
5.3.140.0100.06314.55
5.3.130.0100.07014.40
5.3.120.0030.03714.52
5.3.110.0030.06714.37
5.3.100.0000.08313.85
5.3.90.0100.05313.93
5.3.80.0130.06313.97
5.3.70.0100.06713.92
5.3.60.0030.03314.00
5.3.50.0070.06313.95
5.3.40.0030.07313.95
5.3.30.0070.06713.86
5.3.20.0100.06313.46
5.3.10.0030.03713.61
5.3.00.0100.06713.59
5.2.170.0130.05312.34
5.2.160.0000.05712.34
5.2.150.0070.02312.34
5.2.140.0000.07312.34
5.2.130.0030.04712.34
5.2.120.0100.05712.34
5.2.110.0030.05312.34
5.2.100.0030.06712.34
5.2.90.0000.03012.34
5.2.80.0100.03312.34
5.2.70.0000.05712.34
5.2.60.0070.05712.34
5.2.50.0000.03312.34
5.2.40.0000.02712.34
5.2.30.0070.05012.34
5.2.20.0030.05712.34
5.2.10.0000.05312.34
5.2.00.0070.05312.34
5.1.60.0030.05712.34
5.1.50.0030.05712.34
5.1.40.0100.03712.34
5.1.30.0030.02712.34
5.1.20.0070.04712.34
5.1.10.0030.04712.34
5.1.00.0100.02312.34
5.0.50.0030.04712.34
5.0.40.0030.03012.34
5.0.30.0030.04312.34
5.0.20.0000.04712.34
5.0.10.0000.02012.34
5.0.00.0000.05712.34
4.4.90.0000.03312.34
4.4.80.0000.02012.34
4.4.70.0030.03312.34
4.4.60.0000.03312.34
4.4.50.0000.02712.34
4.4.40.0030.02712.34
4.4.30.0000.01712.34
4.4.20.0070.03312.34
4.4.10.0000.03312.34
4.4.00.0000.05712.34
4.3.110.0030.03312.34
4.3.100.0100.02712.34
4.3.90.0070.02712.34
4.3.80.0030.05012.34
4.3.70.0100.02712.34
4.3.60.0000.03312.34
4.3.50.0000.02012.34
4.3.40.0000.04712.34
4.3.30.0000.03012.34
4.3.20.0030.01712.34
4.3.10.0000.03712.34
4.3.00.0000.02012.34

preferences:
44.01 ms | 400 KiB | 5 Q