3v4l.org

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

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)
8.3.60.0170.00318.25
8.3.50.0120.00921.92
8.3.40.0060.00918.93
8.3.30.0040.01119.19
8.3.20.0040.00420.34
8.3.10.0040.00422.00
8.3.00.0090.00022.37
8.2.180.0100.00716.63
8.2.170.0110.00422.96
8.2.160.0060.01220.41
8.2.150.0030.00624.18
8.2.140.0060.01224.66
8.2.130.0050.00326.16
8.2.120.0070.00319.24
8.2.110.0080.00022.07
8.2.100.0070.00318.58
8.1.280.0140.00325.92
8.1.270.0060.00322.02
8.1.260.0080.00026.35
8.1.250.0060.00328.09
8.1.240.0090.00018.49
8.1.230.0090.00018.30
5.4.280.0080.03712.32
5.4.270.0060.03912.33
5.4.260.0110.04112.33
5.4.250.0120.04112.33
5.4.240.0180.10012.33
5.4.230.0150.08312.32
5.4.220.0170.12512.32
5.4.210.0180.07112.32
5.4.200.0160.05012.32
5.4.190.0090.08612.32
5.4.180.0110.08612.31
5.4.170.0150.06112.32
5.4.160.0160.08212.32
5.4.150.0080.05412.32
5.4.140.0130.07112.00
5.4.130.0060.05011.99
5.4.120.0160.04611.95
5.4.110.0120.04911.94
5.4.100.0110.05511.95
5.4.90.0130.07611.95
5.4.80.0110.05011.94
5.4.70.0140.05511.94
5.4.60.0050.04911.94
5.4.50.0120.04411.94
5.4.40.0150.05611.93
5.4.30.0120.06311.93
5.4.20.0130.06411.93
5.4.10.0180.06511.93
5.4.00.0120.07311.41
5.3.280.0090.07912.71
5.3.270.0080.05912.72
5.3.260.0090.06912.72
5.3.250.0110.04512.72
5.3.240.0070.03712.71
5.3.230.0080.03812.71
5.3.220.0050.04112.68
5.3.210.0110.07812.68
5.3.200.0080.04912.68
5.3.190.0110.05212.68
5.3.180.0090.08012.68
5.3.170.0140.05512.67
5.3.160.0060.05512.67
5.3.150.0110.06312.68
5.3.140.0160.07512.66
5.3.130.0140.07112.66
5.3.120.0120.06012.65
5.3.110.0100.07712.66
5.3.100.0090.05812.12
5.3.90.0060.04412.09
5.3.80.0070.06912.07
5.3.70.0110.04112.08
5.3.60.0100.04712.06
5.3.50.0060.05112.00
5.3.40.0060.06112.00
5.3.30.0070.04111.93
5.3.20.0080.05211.70
5.3.10.0130.05911.66
5.3.00.0110.05611.65
5.2.170.0090.0519.14
5.2.160.0070.0309.15
5.2.150.0080.0409.16
5.2.140.0060.0429.14
5.2.130.0050.0449.11
5.2.120.0050.0429.11
5.2.110.0140.0659.11
5.2.100.0070.0419.11
5.2.90.0090.0399.11
5.2.80.0040.0329.11
5.2.70.0090.0539.10
5.2.60.0050.0459.05
5.2.50.0100.0449.02
5.2.40.0080.0359.01
5.2.30.0120.0798.98
5.2.20.0040.0448.97
5.2.10.0130.0388.89
5.2.00.0090.0578.75
5.1.60.0140.0568.04
5.1.50.0060.0498.04
5.1.40.0040.0298.02
5.1.30.0030.0318.37
5.1.20.0030.0408.40
5.1.10.0100.0458.12
5.1.00.0140.0408.12
5.0.50.0100.0306.60
5.0.40.0060.0296.45
5.0.30.0030.0406.27
5.0.20.0040.0276.24
5.0.10.0040.0286.21
5.0.00.0060.0376.20
4.4.90.0050.0264.77
4.4.80.0060.0224.75
4.4.70.0040.0294.76
4.4.60.0020.0234.75
4.4.50.0070.0264.77
4.4.40.0090.0534.71
4.4.30.0040.0224.75
4.4.20.0050.0154.85
4.4.10.0030.0204.85
4.4.00.0090.0394.76
4.3.110.0080.0364.66
4.3.100.0040.0264.67
4.3.90.0080.0534.63
4.3.80.0080.0584.58
4.3.70.0140.0284.63
4.3.60.0050.0304.63
4.3.50.0050.0284.63
4.3.40.0060.0334.54
4.3.30.0060.0303.27
4.3.20.0070.0473.25
4.3.10.0030.0253.21
4.3.00.0170.0207.02

preferences:
35.57 ms | 401 KiB | 5 Q