3v4l.org

run code in 300+ PHP versions simultaneously
<?php $value = 2; $array = [1, 2, 3]; array_unshift($array,$value); var_export(array_unique($array));

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)
8.3.70.0110.00418.29
8.3.60.0150.00318.18
8.3.50.0170.00717.07
8.3.40.0100.01018.67
8.3.30.0070.00718.60
8.3.20.0050.00318.89
8.3.10.0040.00420.78
8.3.00.0040.00417.79
8.2.190.0130.00618.17
8.2.180.0070.01318.29
8.2.170.0070.00722.96
8.2.160.0090.00618.91
8.2.150.0000.00724.18
8.2.140.0030.00624.66
8.2.130.0000.00819.70
8.2.120.0040.00426.35
8.2.110.0070.00320.85
8.2.100.0070.00417.77
8.2.90.0000.00817.55
8.2.80.0040.00419.52
8.2.70.0000.00817.80
8.2.60.0050.00318.02
8.2.50.0120.00018.10
8.2.40.0000.00821.08
8.2.30.0070.00019.28
8.2.20.0020.00517.98
8.2.10.0000.00817.97
8.2.00.0030.00319.37
8.1.280.0040.01125.92
8.1.270.0040.00423.83
8.1.260.0030.00626.35
8.1.250.0070.00028.09
8.1.240.0000.00822.14
8.1.230.0080.00420.85
8.1.220.0040.00417.74
8.1.210.0040.00419.06
8.1.200.0060.00317.23
8.1.190.0050.00317.23
8.1.180.0030.00518.10
8.1.170.0040.00418.65
8.1.160.0000.00718.73
8.1.150.0000.00718.73
8.1.140.0040.00417.55
8.1.130.0040.00419.00
8.1.120.0030.00317.29
8.1.110.0040.00417.30
8.1.100.0070.00317.29
8.1.90.0040.00417.29
8.1.80.0000.00917.41
8.1.70.0050.00317.38
8.1.60.0050.00317.40
8.1.50.0000.00817.43
8.1.40.0080.00017.34
8.1.30.0030.00517.56
8.1.20.0040.00417.61
8.1.10.0000.00717.39
8.1.00.0040.00417.47
8.0.300.0040.00419.52
8.0.290.0040.00416.63
8.0.280.0030.00318.29
8.0.270.0000.00717.18
8.0.260.0050.00317.18
8.0.250.0040.00416.92
8.0.240.0060.00316.76
8.0.230.0030.00616.84
8.0.220.0000.00916.71
8.0.210.0070.00016.77
8.0.200.0050.00216.85
8.0.190.0040.00416.95
8.0.180.0000.00716.67
8.0.170.0040.00416.80
8.0.160.0030.00316.71
8.0.150.0040.00416.71
8.0.140.0000.00716.82
8.0.130.0030.00313.25
8.0.120.0050.00316.80
8.0.110.0030.00516.83
8.0.100.0070.00016.93
8.0.90.0040.00416.85
8.0.80.0140.00416.77
8.0.70.0080.00016.77
8.0.60.0000.00716.68
8.0.50.0030.00516.77
8.0.30.0080.00917.01
8.0.20.0110.00817.40
8.0.10.0040.00416.95
8.0.00.0090.01216.85
7.4.330.0000.00615.55
7.4.320.0060.00016.45
7.4.300.0030.00316.58
7.4.290.0040.00416.42
7.4.280.0000.00716.50
7.4.270.0000.00716.54
7.4.260.0030.00316.46
7.4.250.0030.00316.50
7.4.240.0000.00816.29
7.4.230.0000.00716.63
7.4.220.0040.00416.32
7.4.210.0070.01116.47
7.4.200.0000.00716.43
7.4.160.0090.00616.25
7.4.140.0150.01517.86
7.4.130.0110.00716.47
7.4.120.0120.00716.50
7.4.110.0030.01316.36
7.4.100.0090.01516.27
7.4.90.0070.01016.39
7.4.80.0060.01219.39
7.4.70.0080.00816.47
7.4.60.0110.01216.40
7.4.50.0070.00716.52
7.4.40.0110.01216.49
7.4.00.0060.00914.53
7.3.330.0030.00313.05
7.3.320.0000.00612.97
7.3.310.0040.00416.09
7.3.300.0000.00716.16
7.3.290.0030.00316.14
7.3.280.0120.00616.17
7.3.260.0080.01216.25
7.3.240.0060.01216.30
7.3.230.0160.00716.42
7.3.210.0070.01015.96
7.3.200.0060.01016.22
7.3.190.0070.01116.51
7.3.180.0070.01016.29
7.3.170.0090.00616.24
7.3.160.0080.00816.15
7.2.330.0130.00316.33
7.2.320.0140.00316.60
7.2.310.0170.00016.50
7.2.300.0070.01016.48
7.2.290.0060.00916.30
7.2.60.2490.01215.02
7.2.50.2620.00714.93
7.2.40.3260.01015.30
7.2.30.4070.00915.32
7.2.20.3100.01015.34
7.2.10.3150.01415.35
7.2.00.3440.01315.31
7.1.200.0090.00315.57
7.1.170.3170.00813.93
7.1.160.2820.01416.55
7.1.150.3530.01116.67
7.1.140.2580.00916.85
7.1.130.2620.00716.55
7.1.120.3060.01116.67
7.1.110.2960.01216.16
7.1.100.2780.01016.41
7.1.90.3180.01216.28
7.1.80.2650.01216.00
7.1.70.2790.01215.38
7.1.60.2810.01632.92
7.1.50.2930.01532.91
7.1.40.2290.01432.50
7.1.30.2970.01432.45
7.1.20.2990.01832.75
7.1.10.3070.01314.77
7.1.00.2710.01114.88

preferences:
18.22 ms | 401 KiB | 5 Q