3v4l.org

run code in 300+ PHP versions simultaneously
<?php $test = ['a' => 'plop', 'b' => 'plip']; $test = ['b' => 'updated'] + $test; var_dump($test);

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)
8.3.40.0080.00818.73
8.3.30.0070.00718.83
8.3.20.0040.00420.04
8.3.10.0040.00423.51
8.3.00.0040.00419.26
8.2.170.0030.01722.96
8.2.160.0130.00320.39
8.2.150.0060.01224.18
8.2.140.0050.00224.66
8.2.130.0090.00026.16
8.2.120.0040.00421.07
8.2.110.0070.00420.53
8.2.100.0070.00419.45
8.2.90.0000.00817.90
8.2.80.0000.00817.97
8.2.70.0030.00617.63
8.2.60.0000.00817.93
8.2.50.0060.00518.07
8.2.40.0040.00419.95
8.2.30.0040.00417.90
8.2.20.0040.00417.66
8.2.10.0000.00718.05
8.2.00.0000.00817.65
8.1.270.0070.00723.97
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0060.00322.11
8.1.230.0040.00720.96
8.1.220.0040.00417.74
8.1.210.0030.00518.90
8.1.200.0060.00317.35
8.1.190.0040.00417.13
8.1.180.0000.00918.10
8.1.170.0000.00918.65
8.1.160.0040.00421.93
8.1.150.0000.00818.75
8.1.140.0000.00717.42
8.1.130.0000.00717.86
8.1.120.0000.00817.31
8.1.110.0050.00217.26
8.1.100.0000.00717.40
8.1.90.0030.00317.39
8.1.80.0000.00717.31
8.1.70.0030.00517.30
8.1.60.0060.00317.37
8.1.50.0080.00017.50
8.1.40.0040.00417.39
8.1.30.0050.00317.58
8.1.20.0040.00417.60
8.1.10.0040.00417.38
8.1.00.0050.00317.34
8.0.300.0040.00419.93
8.0.290.0000.00816.63
8.0.280.0000.00718.37
8.0.270.0030.00317.06
8.0.260.0030.00317.25
8.0.250.0050.00316.84
8.0.240.0060.00016.81
8.0.230.0030.00316.82
8.0.220.0030.00316.87
8.0.210.0030.00316.79
8.0.200.0060.00016.96
8.0.190.0030.00316.93
8.0.180.0000.01216.78
8.0.170.0030.00516.88
8.0.160.0040.00416.93
8.0.150.0040.00316.72
8.0.140.0000.00716.77
8.0.130.0030.00313.26
8.0.120.0030.00616.84
8.0.110.0000.00816.77
8.0.100.0070.00016.69
8.0.90.0030.00316.85
8.0.80.0130.00316.90
8.0.70.0040.00416.95
8.0.60.0080.00016.92
8.0.50.0050.00316.70
8.0.30.0120.00817.19
8.0.20.0100.00817.40
8.0.10.0040.00417.05
8.0.00.0120.00916.68
7.4.330.0000.00515.00
7.4.320.0060.00016.33
7.4.300.0030.00316.34
7.4.290.0000.00816.50
7.4.280.0040.00416.55
7.4.270.0000.00716.52
7.4.260.0050.00216.50
7.4.250.0040.00416.38
7.4.240.0020.00516.52
7.4.230.0070.00016.60
7.4.220.0070.01416.32
7.4.210.0040.01016.59
7.4.200.0040.00316.61
7.4.160.0120.00316.16
7.4.150.0070.01117.40
7.4.140.0090.00917.86
7.4.130.0070.01016.47
7.4.120.0030.01416.36
7.4.110.0130.00316.34
7.4.100.0120.01216.40
7.4.90.0130.01016.33
7.4.80.0130.00319.39
7.4.70.0190.00016.41
7.4.60.0080.01116.23
7.4.50.0020.00216.37
7.4.40.0070.01116.27
7.4.30.0090.00616.28
7.4.00.0070.01014.69
7.3.330.0000.00713.12
7.3.320.0000.00512.93
7.3.310.0040.00416.20
7.3.300.0030.00516.10
7.3.290.0100.00616.26
7.3.280.0050.01216.16
7.3.270.0070.01017.40
7.3.260.0100.01316.20
7.3.250.0090.01016.44
7.3.240.0090.00916.29
7.3.230.0080.00816.52
7.3.210.0140.00416.38
7.3.200.0100.00719.39
7.3.190.0100.00716.13
7.3.180.0150.00016.21
7.3.170.0080.00816.41
7.3.160.0040.01116.26
7.2.330.0090.01016.18
7.2.320.0090.00916.52
7.2.310.0140.00316.31
7.2.300.0170.00016.71
7.2.290.0060.01016.34
7.2.60.0150.00416.20
7.2.00.0030.00918.99
7.1.200.0060.00915.73
7.1.100.0080.00317.63
7.1.70.0090.00617.13
7.1.60.0090.01619.40
7.1.50.0040.01416.85
7.1.00.0030.07722.57
7.0.200.0050.00216.51
7.0.140.0070.07022.18
7.0.60.0100.05320.00
7.0.50.0000.05717.77
7.0.40.0170.06320.40
7.0.30.0330.08320.34
7.0.20.0200.05020.21
7.0.10.0070.08320.20
7.0.00.0030.08320.08
5.6.280.0000.07720.98
5.6.210.0070.05320.75
5.6.200.0070.04718.22
5.6.190.0070.04320.77
5.6.180.0300.05020.35
5.6.170.0100.05720.45
5.6.160.0030.09020.52
5.6.150.0130.07018.15
5.6.140.0100.03718.21
5.6.130.0030.07318.08
5.6.120.0100.08021.04
5.6.110.0170.07720.97
5.6.100.0130.03321.00
5.6.90.0030.08320.94
5.6.80.0070.07320.40
5.5.350.0330.06320.38
5.5.340.0100.06017.91
5.5.330.0100.08020.21
5.5.320.0200.08320.17
5.5.310.0430.07020.33
5.5.300.0200.06717.97
5.5.290.0030.04017.97
5.5.280.0000.06320.76
5.5.270.0070.08720.75
5.5.260.0100.08020.86
5.5.250.0070.08020.78
5.5.240.0030.04020.25
5.4.450.0830.05019.61
5.4.440.0970.06019.60
5.4.430.1030.05319.48
5.4.420.0130.05719.38
5.4.410.0700.05019.31
5.4.400.0300.07318.74
5.4.390.0270.05718.46
5.4.380.0100.05018.60
5.4.370.0170.04018.48
5.4.360.0000.04318.64
5.4.350.0060.04311.97
5.4.340.0060.04511.97
5.4.320.0020.04012.45
5.4.310.0060.03812.45
5.4.300.0080.03412.46
5.4.290.0070.03712.45
5.4.280.0040.03712.34
5.4.270.0030.03912.35
5.4.260.0100.03612.34
5.4.250.0060.03812.35
5.4.240.0060.03612.34
5.4.230.0030.04012.34
5.4.220.0050.04512.34
5.4.210.0060.03912.34
5.4.200.0070.03612.34
5.4.190.0030.03912.33
5.4.180.0070.03812.34
5.4.170.0050.03912.35
5.4.160.0050.04212.34
5.4.150.0040.03712.34
5.4.140.0030.03912.02
5.4.130.0050.03712.01
5.4.120.0080.03211.96
5.4.110.0060.03511.96
5.4.100.0030.03811.96
5.4.90.0040.03811.96
5.4.80.0050.03711.96
5.4.70.0060.03311.96
5.4.60.0080.03211.96
5.4.50.0090.04011.96
5.4.40.0080.03511.95
5.4.30.0040.03811.95
5.4.20.0050.03611.95
5.4.10.0030.03711.95
5.4.00.0030.04111.43
5.3.290.0090.04212.80
5.3.280.0040.04012.71
5.3.270.0050.04012.72
5.3.260.0090.03612.72
5.3.250.0050.03812.72
5.3.240.0060.03712.72
5.3.230.0100.03412.71
5.3.220.0070.03612.68
5.3.210.0060.04512.68
5.3.200.0070.04012.68
5.3.190.0070.03712.68
5.3.180.0050.05412.68
5.3.170.0080.03512.67
5.3.160.0040.04012.67
5.3.150.0050.03912.67
5.3.140.0030.03912.66
5.3.130.0060.04012.66
5.3.120.0080.03612.66
5.3.110.0050.04012.66
5.3.100.0060.03812.12
5.3.90.0040.03812.08
5.3.80.0060.04212.07
5.3.70.0070.03712.07
5.3.60.0050.03712.06
5.3.50.0020.04012.00
5.3.40.0050.03712.00
5.3.30.0050.03611.95
5.3.20.0050.03811.72
5.3.10.0050.03511.70
5.3.00.0090.03811.68
5.2.170.0060.0389.18
5.2.160.0060.0389.18
5.2.150.0070.0309.18
5.2.140.0080.0289.18
5.2.130.0060.0289.14
5.2.120.0060.0289.14
5.2.110.0080.0269.14
5.2.100.0060.0289.14
5.2.90.0030.0329.14
5.2.80.0040.0349.14
5.2.70.0030.0329.14
5.2.60.0030.0339.09
5.2.50.0040.0309.06
5.2.40.0020.0359.03
5.2.30.0100.0309.02
5.2.20.0060.0279.00
5.2.10.0040.0288.93
5.2.00.0040.0298.78
5.1.60.0050.0238.07
5.1.50.0050.0248.06
5.1.40.0070.0338.05
5.1.30.0070.0348.39
5.1.20.0070.0368.42
5.1.10.0050.0358.14
5.1.00.0090.0328.14
5.0.50.0060.0276.62
5.0.40.0050.0196.48
5.0.30.0030.0316.29
5.0.20.0040.0196.27
5.0.10.0040.0206.23
5.0.00.0030.0316.23
4.4.90.0020.0164.78
4.4.80.0040.0144.75
4.4.70.0020.0164.76
4.4.60.0020.0164.75
4.4.50.0060.0204.77
4.4.40.0070.0314.71
4.4.30.0040.0214.76
4.4.20.0050.0224.84
4.4.10.0040.0224.85
4.4.00.0040.0254.76
4.3.110.0030.0234.67
4.3.100.0060.0194.67
4.3.90.0040.0204.64
4.3.80.0040.0324.58
4.3.70.0070.0184.63
4.3.60.0120.0354.63
4.3.50.0050.0154.63
4.3.40.0060.0314.54
4.3.30.0030.0223.28
4.3.20.0050.0173.26
4.3.10.0030.0183.22
4.3.00.0170.0236.95

preferences:
48.68 ms | 400 KiB | 5 Q