3v4l.org

run code in 300+ PHP versions simultaneously
<?php $one = array(array('key'=>'val')); $two = array(0=>array('key1'=>'val1'), 1=>array('key2'=>'val2')); array_unshift($one, $two); print_r($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)
8.3.60.0170.00318.56
8.3.50.0130.00722.12
8.3.40.0100.00718.71
8.3.30.0090.00618.79
8.3.20.0040.00420.31
8.3.10.0040.00421.91
8.3.00.0040.00422.44
8.2.180.0060.01318.16
8.2.170.0070.00722.96
8.2.160.0030.01022.23
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0000.00726.16
8.2.120.0050.00319.23
8.2.110.0100.00022.08
8.2.100.0110.00017.91
8.2.90.0030.00619.22
8.2.80.0090.00019.64
8.2.70.0000.00817.63
8.2.60.0060.00317.80
8.2.50.0070.00318.07
8.2.40.0050.00218.09
8.2.30.0000.00717.89
8.2.20.0000.00717.70
8.2.10.0000.00717.66
8.2.00.0000.00717.58
8.1.280.0030.01025.92
8.1.270.0080.00021.82
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0030.00623.76
8.1.230.0070.00319.17
8.1.220.0000.00817.74
8.1.210.0000.00918.77
8.1.200.0030.00617.13
8.1.190.0080.00017.41
8.1.180.0050.00318.10
8.1.170.0040.00418.52
8.1.160.0040.00421.91
8.1.150.0070.00018.42
8.1.140.0050.00317.29
8.1.130.0070.00017.92
8.1.120.0040.00417.26
8.1.110.0030.00517.43
8.1.100.0000.00717.29
8.1.90.0000.00717.41
8.1.80.0070.00017.42
8.1.70.0040.00417.27
8.1.60.0030.00517.52
8.1.50.0030.00617.34
8.1.40.0000.00717.48
8.1.30.0040.00417.57
8.1.20.0050.00317.46
8.1.10.0040.00417.52
8.1.00.0060.00317.36
8.0.300.0040.00418.77
8.0.290.0030.00317.04
8.0.280.0040.00418.36
8.0.270.0000.00717.05
8.0.260.0030.00316.79
8.0.250.0070.00016.86
8.0.240.0030.00616.87
8.0.230.0000.00817.01
8.0.220.0000.00816.86
8.0.210.0030.00316.76
8.0.200.0000.00816.88
8.0.190.0040.00416.93
8.0.180.0090.00016.77
8.0.170.0000.00916.91
8.0.160.0000.00716.84
8.0.150.0000.00816.80
8.0.140.0040.00416.74
8.0.130.0050.00013.32
8.0.120.0050.00316.86
8.0.110.0040.00416.85
8.0.100.0040.00416.94
8.0.90.0080.00016.91
8.0.80.0080.00816.89
8.0.70.0050.00316.92
8.0.60.0040.00416.96
8.0.50.0030.00516.87
8.0.30.0150.00517.01
8.0.20.0120.01017.40
8.0.10.0030.00616.91
8.0.00.0100.00816.54
7.4.330.0030.00315.00
7.4.320.0030.00316.48
7.4.300.0000.00716.50
7.4.290.0040.00416.51
7.4.280.0030.00716.36
7.4.270.0040.00416.33
7.4.260.0100.00016.41
7.4.250.0040.00416.41
7.4.240.0020.00516.35
7.4.230.0000.00716.36
7.4.220.0140.00416.61
7.4.210.0060.01016.39
7.4.200.0070.00016.60
7.4.190.0000.00816.39
7.4.160.0070.01716.51
7.4.150.0070.01017.40
7.4.140.0130.01117.86
7.4.130.0070.01216.46
7.4.120.0030.01316.52
7.4.110.0130.00316.38
7.4.100.0090.00916.29
7.4.90.0100.00716.48
7.4.80.0030.01319.39
7.4.70.0080.00816.27
7.4.60.0110.00616.31
7.4.50.0000.00416.37
7.4.40.0080.00322.77
7.4.30.0100.00716.23
7.4.00.0040.00714.80
7.3.330.0050.00013.12
7.3.320.0020.00212.98
7.3.310.0040.00416.27
7.3.300.0050.00216.19
7.3.290.0090.00616.14
7.3.280.0130.00416.20
7.3.270.0110.00817.40
7.3.260.0090.00916.18
7.3.250.0110.00616.21
7.3.240.0040.01216.30
7.3.230.0090.00916.53
7.3.210.0140.00316.22
7.3.200.0080.00819.39
7.3.190.0090.01216.46
7.3.180.0130.00716.10
7.3.170.0120.00416.54
7.3.160.0090.00916.41
7.3.120.0040.01115.00
7.2.330.0140.00316.40
7.2.320.0030.01316.32
7.2.310.0030.01416.28
7.2.300.0040.01216.45
7.2.290.0060.00916.30
7.2.60.0070.00716.38
7.2.00.0090.00619.00
7.1.200.0060.00615.67
7.1.100.0040.00417.97
7.1.70.0030.00317.07
7.1.60.0120.01219.82
7.1.50.0100.01416.87
7.1.00.0100.07022.39
7.0.200.0060.01016.54
7.0.140.0030.07022.13
7.0.60.0070.08319.97
7.0.50.0100.04317.84
7.0.40.0030.08020.19
7.0.30.0300.04720.21
7.0.20.0230.04720.34
7.0.10.0270.08320.10
7.0.00.0100.08320.29
5.6.280.0070.07020.97
5.6.210.0070.08320.70
5.6.200.0070.08018.18
5.6.190.0100.06720.49
5.6.180.3700.05020.52
5.6.170.0230.07320.39
5.6.160.0070.08320.55
5.6.150.0070.04318.22
5.6.140.0000.07318.13
5.6.130.0000.04318.16
5.6.120.0130.07021.13
5.6.110.0100.08021.08
5.6.100.0100.08021.00
5.6.90.0100.06020.95
5.6.80.0070.03320.39
5.6.70.0270.05020.49
5.5.350.0030.06720.43
5.5.340.0030.05018.04
5.5.330.0070.04320.47
5.5.320.0230.08020.29
5.5.310.0200.08020.46
5.5.300.0070.07317.98
5.5.290.0070.05318.07
5.5.280.0130.05720.76
5.5.270.0030.04320.83
5.5.260.0070.04320.96
5.5.250.0130.07720.48
5.5.240.0070.07720.26
5.4.450.0470.06719.61
5.4.440.0800.05019.60
5.4.430.0130.05319.56
5.4.420.0230.05319.63
5.4.410.0170.04719.35
5.4.400.1700.00018.87
5.4.390.1770.00018.61
5.4.380.0330.04318.79
5.4.370.0300.04318.68
5.4.360.0270.04318.76
5.4.350.0200.05318.50
5.4.340.0230.05018.68
5.4.320.0060.04212.48
5.4.310.0090.03912.48
5.4.300.0100.04112.48
5.4.290.0100.03312.48
5.4.280.0060.05612.34
5.4.270.0130.04912.34
5.4.260.0060.06012.34
5.4.250.0110.05512.34
5.4.240.0110.05412.34
5.4.230.0090.05612.34
5.4.220.0160.04812.34
5.4.210.0100.05312.33
5.4.200.0090.06212.33
5.4.190.0070.06012.33
5.4.180.0170.13012.33
5.4.170.0190.11312.34
5.4.160.0120.07512.34
5.4.150.0050.06012.34
5.4.140.0070.06112.02
5.4.130.0110.05712.00
5.4.120.0100.05911.96
5.4.110.0100.05811.96
5.4.100.0070.05811.96
5.4.90.0090.06111.96
5.4.80.0110.06211.96
5.4.70.0090.06011.96
5.4.60.0150.05611.96
5.4.50.0140.05511.96
5.4.40.0150.05311.95
5.4.30.0100.05611.95
5.4.20.0130.05611.94
5.4.10.0100.05711.95
5.4.00.0090.06011.44
5.3.290.0060.03912.80
5.3.280.0140.05512.70
5.3.270.0140.05912.73
5.3.260.0130.05812.72
5.3.250.0140.05512.72
5.3.240.0090.06112.72
5.3.230.0190.04812.70
5.3.220.0120.05712.68
5.3.210.0130.05712.68
5.3.200.0120.05312.68
5.3.190.0070.05512.68
5.3.180.0090.05712.67
5.3.170.0080.05412.67
5.3.160.0080.05712.67
5.3.150.0160.08812.68
5.3.140.0170.08312.66
5.3.130.0090.07512.65
5.3.120.0110.07512.66
5.3.110.0110.07312.66
5.3.100.0120.07212.12
5.3.90.0160.07612.08
5.3.80.0110.07212.07
5.3.70.0190.09612.08
5.3.60.0660.18112.06
5.3.50.0150.08612.00
5.3.40.0120.07412.00
5.3.30.0220.08711.95
5.3.20.0170.07311.73
5.3.10.0120.07211.69
5.3.00.0140.06911.68
5.2.170.0100.0629.18
5.2.160.0080.0379.18
5.2.150.0120.0559.17
5.2.140.0070.0349.17
5.2.130.0080.0409.13
5.2.120.0080.0529.13
5.2.110.0090.0299.14
5.2.100.0080.0349.14
5.2.90.0100.0559.14
5.2.80.0100.0729.13
5.2.70.0130.0619.13
5.2.60.0130.0629.08
5.2.50.0070.0419.05
5.2.40.0080.0289.03
5.2.30.0080.0379.01
5.2.20.0060.0348.99
5.2.10.0050.0318.91
5.2.00.0050.0328.77
5.1.60.0060.0258.04
5.1.50.0120.0558.04
5.1.40.0130.0508.03
5.1.30.0240.0668.38
5.1.20.0190.0428.40
5.1.10.0210.0638.12
5.1.00.0190.0558.12
5.0.50.0140.0286.60
5.0.40.0050.0366.46
5.0.30.0040.0366.27
5.0.20.0030.0256.25
5.0.10.0120.0356.22
5.0.00.0100.0666.21
4.4.90.0050.0204.77
4.4.80.0060.0334.76
4.4.70.0130.0294.76
4.4.60.0140.0384.76
4.4.50.0100.0344.77
4.4.40.0140.0484.71
4.4.30.0200.0384.76
4.4.20.0090.0264.84
4.4.10.0080.0464.85
4.4.00.0110.0564.76
4.3.110.0050.0514.67
4.3.100.0040.0444.67
4.3.90.0080.0294.63
4.3.80.0080.0344.58
4.3.70.0100.0354.63
4.3.60.0100.0464.63
4.3.50.0090.0334.63
4.3.40.0120.0534.53
4.3.30.0040.0393.27
4.3.20.0040.0433.25
4.3.10.0060.0373.21
4.3.00.0070.0236.60

preferences:
37.7 ms | 401 KiB | 5 Q