3v4l.org

run code in 300+ PHP versions simultaneously
<?php $one = array('key'=>'val'); $two = array(0=>array('key1'=>'val1'), 1=>array('key2'=>'val2')); array_unshift($one, $two); var_dump($one + $two);

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)
8.3.60.0120.00918.30
8.3.50.0120.00621.89
8.3.40.0040.01118.82
8.3.30.0070.00718.82
8.3.20.0070.00020.27
8.3.10.0050.00322.10
8.3.00.0000.00822.39
8.2.180.0070.01116.38
8.2.170.0040.01122.96
8.2.160.0030.01020.32
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0030.00526.16
8.2.120.0040.00419.36
8.2.110.0090.00022.17
8.2.100.0030.00717.72
8.2.90.0000.00719.08
8.2.80.0040.00417.97
8.2.70.0050.00317.63
8.2.60.0000.00917.80
8.2.50.0050.00318.07
8.2.40.0000.00818.02
8.2.30.0040.00417.99
8.2.20.0040.00417.52
8.2.10.0000.00717.58
8.2.00.0030.00617.72
8.1.280.0140.00725.92
8.1.270.0050.00322.19
8.1.260.0040.01126.35
8.1.250.0030.00528.09
8.1.240.0030.00623.98
8.1.230.0050.00619.18
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0030.00617.22
8.1.190.0040.00417.39
8.1.180.0000.00918.10
8.1.170.0040.00418.53
8.1.160.0040.00421.93
8.1.150.0000.00718.44
8.1.140.0050.00317.31
8.1.130.0080.00017.68
8.1.120.0000.00817.36
8.1.110.0040.00417.32
8.1.100.0070.00017.36
8.1.90.0000.00817.38
8.1.80.0030.00517.29
8.1.70.0000.00717.30
8.1.60.0070.00317.51
8.1.50.0080.00017.39
8.1.40.0050.00317.46
8.1.30.0030.00517.61
8.1.20.0000.00917.41
8.1.10.0090.00017.54
8.1.00.0050.00517.35
8.0.300.0070.00018.77
8.0.290.0050.00317.18
8.0.280.0000.00718.28
8.0.270.0000.00717.19
8.0.260.0000.00618.38
8.0.250.0050.00216.96
8.0.240.0040.00416.93
8.0.230.0000.00716.91
8.0.220.0000.00716.86
8.0.210.0070.00016.92
8.0.200.0030.00316.92
8.0.190.0000.00816.90
8.0.180.0050.00316.95
8.0.170.0040.00416.75
8.0.160.0040.00416.94
8.0.150.0070.00016.80
8.0.140.0050.00216.86
8.0.130.0030.00313.26
8.0.120.0040.00416.72
8.0.110.0070.00016.86
8.0.100.0070.00016.89
8.0.90.0030.00416.66
8.0.80.0060.00916.86
8.0.70.0070.00016.66
8.0.60.0000.00716.88
8.0.50.0000.00716.94
8.0.30.0120.00916.95
8.0.20.0090.01217.40
8.0.10.0050.00516.99
8.0.00.0080.01216.76
7.4.330.0000.00715.09
7.4.320.0030.00316.42
7.4.300.0030.00316.41
7.4.290.0000.00716.49
7.4.280.0000.00716.41
7.4.270.0000.00716.54
7.4.260.0070.00016.53
7.4.250.0040.00416.53
7.4.240.0030.00416.44
7.4.230.0000.00816.55
7.4.220.0060.01116.46
7.4.210.0100.00516.50
7.4.200.0030.00316.45
7.4.190.0070.00016.68
7.4.160.0080.00816.35
7.4.150.0180.00817.40
7.4.140.0070.01117.86
7.4.130.0110.00716.50
7.4.120.0080.01316.40
7.4.110.0120.00616.57
7.4.100.0120.00616.36
7.4.90.0090.00916.26
7.4.80.0090.00919.39
7.4.70.0100.00816.54
7.4.60.0060.01316.42
7.4.50.0040.00416.45
7.4.40.0070.01122.77
7.4.30.0060.01616.43
7.4.00.0110.00614.81
7.3.330.0000.00612.95
7.3.320.0000.00513.12
7.3.310.0050.00516.14
7.3.300.0030.00316.19
7.3.290.0090.00616.21
7.3.280.0090.00616.22
7.3.270.0130.01217.40
7.3.260.0100.01016.21
7.3.250.0120.00616.30
7.3.240.0060.01616.51
7.3.230.0150.00316.52
7.3.210.0100.00516.31
7.3.200.0140.00719.39
7.3.190.0110.01116.38
7.3.180.0080.00816.49
7.3.170.0130.00316.27
7.3.160.0170.00416.58
7.3.120.0100.00714.50
7.3.110.0090.00914.63
7.3.100.0080.00814.38
7.3.90.0090.00614.73
7.3.80.0070.00714.77
7.3.70.0070.00714.68
7.3.60.0000.00914.40
7.3.50.0080.00814.50
7.3.40.0030.01014.39
7.3.30.0060.00614.58
7.3.20.0100.00316.40
7.3.10.0070.00416.73
7.3.00.0100.00616.57
7.2.330.0100.01016.60
7.2.320.0100.01016.43
7.2.310.0120.00616.52
7.2.300.0100.00716.68
7.2.290.0000.01616.59
7.2.250.0070.01014.84
7.2.240.0040.00814.64
7.2.230.0120.00315.08
7.2.220.0090.00914.48
7.2.210.0060.00915.08
7.2.200.0070.00314.64
7.2.190.0060.00614.51
7.2.180.0040.01214.78
7.2.170.0070.00714.72
7.2.00.0040.01218.92
7.1.330.0030.01315.79
7.1.320.0040.01215.79
7.1.310.0040.00815.61
7.1.300.0030.01015.75
7.1.290.0000.01015.80
7.1.280.0060.01015.77
7.1.270.0070.00715.61
7.1.260.0060.00315.53
7.1.200.0000.00915.76
7.1.100.0060.00618.06
7.1.70.0000.01116.90
7.1.60.0090.01319.82
7.1.50.0030.01616.88
7.1.00.0100.06722.44
7.0.200.0080.00316.74
7.0.140.0030.07722.00
7.0.60.0200.07719.86
7.0.50.0030.05017.81
7.0.40.0100.04020.21
7.0.30.0170.04020.02
7.0.20.0330.06020.19
7.0.10.0100.07020.16
7.0.00.0030.08320.49
5.6.280.0100.06721.07
5.6.210.0130.08020.74
5.6.200.0070.04718.13
5.6.190.0030.09020.41
5.6.180.3600.04720.61
5.6.170.0130.04320.51
5.6.160.0100.08020.32
5.6.150.0070.04018.18
5.6.140.0000.04318.12
5.6.130.0100.06718.11
5.6.120.0030.04321.03
5.6.110.0100.07721.08
5.6.100.0100.07720.97
5.6.90.0030.08020.99
5.6.80.0130.07320.37
5.6.70.2970.03020.34
5.5.350.0330.06720.48
5.5.340.0170.04017.86
5.5.330.0130.07020.21
5.5.320.0300.08020.32
5.5.310.0300.04720.34
5.5.300.0070.08017.96
5.5.290.0100.08017.89
5.5.280.0100.08020.86
5.5.270.0070.04020.96
5.5.260.0000.04720.79
5.5.250.0030.04720.68
5.5.240.0230.04720.28
5.4.450.0100.05319.64
5.4.440.0500.05019.41
5.4.430.0070.05719.25
5.4.420.0130.06019.52
5.4.410.0130.06019.25
5.4.400.1200.00018.61
5.4.390.1670.00018.77
5.4.380.0200.05718.61
5.4.370.0200.05318.72
5.4.360.0230.04018.69
5.4.350.0170.05018.65
5.4.340.0130.05718.68
5.4.320.0110.04012.45
5.4.310.0080.05612.45
5.4.300.0050.03812.45
5.4.290.0050.04112.45
5.4.280.0080.06512.32
5.4.270.0120.07412.32
5.4.260.0070.05412.32
5.4.250.0110.04412.32
5.4.240.0080.03712.32
5.4.230.0060.04212.31
5.4.220.0060.04012.31
5.4.210.0110.03512.31
5.4.200.0070.03812.31
5.4.190.0070.03712.31
5.4.180.0140.04912.30
5.4.170.0070.04012.32
5.4.160.0050.03912.32
5.4.150.0070.03912.31
5.4.140.0100.05312.00
5.4.130.0060.03911.98
5.4.120.0070.05611.94
5.4.110.0130.04711.94
5.4.100.0070.05111.93
5.4.90.0110.07511.93
5.4.80.0170.04811.94
5.4.70.0110.04711.93
5.4.60.0080.03611.94
5.4.50.0190.07511.93
5.4.40.0080.06411.92
5.4.30.0100.07011.92
5.4.20.0170.06611.92
5.4.10.0040.05611.92
5.4.00.0050.04811.41
5.3.290.0070.04512.80
5.3.280.0090.03812.71
5.3.270.0040.04412.73
5.3.260.0080.04512.72
5.3.250.0090.04912.72
5.3.240.0050.05712.72
5.3.230.0100.04812.71
5.3.220.0100.04512.68
5.3.210.0090.06012.68
5.3.200.0120.05012.68
5.3.190.0100.05212.68
5.3.180.0090.04912.68
5.3.170.0100.06112.66
5.3.160.0100.04812.67
5.3.150.0120.08312.68
5.3.140.0080.04012.66
5.3.130.0120.05312.66
5.3.120.0060.04912.66
5.3.110.0080.06012.66
5.3.100.0110.04612.12
5.3.90.0090.04612.09
5.3.80.0140.06512.08
5.3.70.0120.05412.08
5.3.60.0120.05012.06
5.3.50.0090.05612.00
5.3.40.0080.04912.00
5.3.30.0120.06911.94
5.3.20.0060.03811.70
5.3.10.0040.03911.66
5.3.00.0080.03611.65
5.2.170.0060.0329.15
5.2.160.0070.0299.15
5.2.150.0050.0329.15
5.2.140.0020.0349.15
5.2.130.0060.0309.11
5.2.120.0050.0309.11
5.2.110.0050.0319.12
5.2.100.0050.0319.12
5.2.90.0140.0479.11
5.2.80.0100.0789.11
5.2.70.0090.0499.11
5.2.60.0170.0669.06
5.2.50.0090.0669.03
5.2.40.0120.0559.01
5.2.30.0100.0438.99
5.2.20.0120.0348.97
5.2.10.0050.0408.90
5.2.00.0050.0418.76
5.1.60.0050.0398.04
5.1.50.0090.0378.04
5.1.40.0050.0428.03
5.1.30.0090.0478.38
5.1.20.0090.0578.40
5.1.10.0090.0378.12
5.1.00.0070.0428.13
5.0.50.0060.0306.60
5.0.40.0060.0306.46
5.0.30.0080.0456.27
5.0.20.0070.0276.25
5.0.10.0110.0506.22
5.0.00.0070.0436.21
4.4.90.0050.0264.78
4.4.80.0070.0254.76
4.4.70.0090.0384.75
4.4.60.0160.0364.75
4.4.50.0070.0314.77
4.4.40.0050.0324.71
4.4.30.0030.0194.76
4.4.20.0090.0344.84
4.4.10.0050.0234.85
4.4.00.0040.0364.76
4.3.110.0050.0224.67
4.3.100.0070.0244.66
4.3.90.0070.0264.63
4.3.80.0070.0474.58
4.3.70.0080.0214.63
4.3.60.0030.0154.63
4.3.50.0020.0234.63
4.3.40.0120.0884.54
4.3.30.0030.0213.27
4.3.20.0020.0213.25
4.3.10.0090.0403.22
4.3.00.0000.0236.50

preferences:
42.17 ms | 401 KiB | 5 Q