3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array('a', 'b', 'c', 'd', 'e'); $key = array_search('c', $arr); unset($arr[$key]); var_dump($arr);

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)
8.3.60.0090.00618.30
8.3.50.0100.00821.21
8.3.40.0070.00718.46
8.3.30.0070.00718.64
8.3.20.0040.00418.78
8.3.10.0030.00520.92
8.3.00.0040.00423.48
8.2.180.0130.00716.50
8.2.170.0100.01022.96
8.2.160.0140.00020.39
8.2.150.0040.00424.18
8.2.140.0100.00724.66
8.2.130.0040.00426.16
8.2.120.0070.00720.87
8.2.110.0100.00020.52
8.2.100.0040.00817.84
8.2.90.0000.00819.23
8.2.80.0040.00417.97
8.2.70.0050.00317.63
8.2.60.0080.00017.80
8.2.50.0040.00418.07
8.2.40.0040.00417.91
8.2.30.0000.00821.10
8.2.20.0070.00017.71
8.2.10.0000.00717.67
8.2.00.0000.00717.55
8.1.280.0090.00625.92
8.1.270.0000.00723.99
8.1.260.0040.01126.35
8.1.250.0040.00428.09
8.1.240.0060.00322.48
8.1.230.0110.00020.97
8.1.220.0000.00818.77
8.1.210.0000.00818.84
8.1.200.0030.00617.22
8.1.190.0040.00417.41
8.1.180.0040.00418.10
8.1.170.0070.00018.58
8.1.160.0070.00018.82
8.1.150.0000.00718.57
8.1.140.0000.00817.34
8.1.130.0070.00017.81
8.1.120.0030.00317.30
8.1.110.0000.00717.38
8.1.100.0060.00317.42
8.1.90.0000.00717.43
8.1.80.0040.00417.28
8.1.70.0040.00417.37
8.1.60.0030.00517.52
8.1.50.0060.00317.39
8.1.40.0040.00417.47
8.1.30.0040.00417.57
8.1.20.0040.00417.48
8.1.10.0040.00417.47
8.1.00.0000.00717.42
8.0.300.0000.00719.81
8.0.290.0030.00317.18
8.0.280.0000.00718.25
8.0.270.0040.00417.18
8.0.260.0070.00316.81
8.0.250.0060.00016.88
8.0.240.0000.00716.90
8.0.230.0040.00416.80
8.0.220.0030.00316.84
8.0.210.0000.01016.73
8.0.200.0030.00316.90
8.0.190.0030.00616.76
8.0.180.0040.00416.86
8.0.170.0030.00616.74
8.0.160.0030.00316.86
8.0.150.0000.00716.73
8.0.140.0070.00016.75
8.0.130.0000.00613.22
8.0.120.0070.00016.80
8.0.110.0050.00316.89
8.0.100.0000.00816.86
8.0.90.0030.00516.88
8.0.80.0070.01316.78
8.0.70.0030.00616.87
8.0.60.0040.00416.63
8.0.50.0070.00016.78
8.0.30.0130.00616.78
8.0.20.0090.00917.40
8.0.10.0000.00716.89
8.0.00.0080.01016.56
7.4.330.0060.00014.77
7.4.320.0030.00316.55
7.4.300.0000.00616.60
7.4.290.0040.00416.59
7.4.280.0040.00416.55
7.4.270.0020.00516.41
7.4.260.0030.00313.20
7.4.250.0040.00416.37
7.4.240.0000.00816.36
7.4.230.0030.00316.31
7.4.220.0060.00916.57
7.4.210.0030.01216.50
7.4.200.0000.00716.61
7.4.190.0030.00616.76
7.4.160.0030.01616.55
7.4.150.0140.00317.40
7.4.140.0150.00717.86
7.4.130.0070.01216.43
7.4.120.0100.00816.48
7.4.110.0080.01216.70
7.4.100.0090.01516.32
7.4.90.0150.00816.56
7.4.80.0140.00819.39
7.4.70.0060.01016.45
7.4.60.0140.00416.51
7.4.50.0030.00616.58
7.4.40.0030.01022.77
7.4.30.0050.01216.40
7.4.00.0040.01114.98
7.3.330.0020.00213.17
7.3.320.0000.00613.09
7.3.310.0030.00316.10
7.3.300.0000.00716.23
7.3.290.0040.01116.30
7.3.280.0100.00716.18
7.3.270.0110.00617.40
7.3.260.0080.01118.24
7.3.250.0080.01116.27
7.3.240.0050.01116.14
7.3.230.0090.00916.39
7.3.210.0130.00716.09
7.3.200.0060.01219.39
7.3.190.0120.00916.29
7.3.180.0100.01016.22
7.3.170.0070.01016.38
7.3.160.0060.00916.21
7.3.120.0030.01214.57
7.2.330.0090.00916.48
7.2.320.0070.01616.68
7.2.310.0070.01616.25
7.2.300.0030.01316.40
7.2.290.0060.01616.35
7.2.00.0080.00319.43
7.1.100.0060.00617.98
7.1.70.0060.00617.11
7.1.60.0000.02519.40
7.1.50.0030.01716.97
7.1.00.0070.06322.47
7.0.200.0070.00016.46
7.0.140.0000.07322.16
7.0.70.0000.04321.72
7.0.60.0000.04021.79
7.0.50.0100.04722.18
7.0.40.0030.03720.04
7.0.30.0100.03020.11
7.0.20.0030.07720.17
7.0.10.0030.07020.09
7.0.00.0030.04020.17
5.6.280.0070.06721.14
5.6.220.0030.04020.64
5.6.210.0000.04020.66
5.6.200.0000.04321.03
5.6.190.0070.03721.01
5.6.180.0030.03721.05
5.6.170.0030.04321.13
5.6.160.0030.03721.04
5.6.150.0000.04321.16
5.6.140.0000.04320.97
5.6.130.0000.04321.03
5.6.120.0030.04321.04
5.6.110.0000.07721.03
5.6.100.0000.04321.09
5.6.90.0200.05720.98
5.6.80.0070.05020.34
5.6.70.0100.07020.54
5.6.60.0000.07720.53
5.6.50.0130.07320.39
5.6.40.0030.08020.39
5.6.30.0070.07020.45
5.6.20.0030.08020.34
5.6.10.0030.08020.45
5.6.00.0030.07720.37
5.5.360.0000.04320.34
5.5.350.0100.06020.44
5.5.340.0000.04320.92
5.5.330.0000.04020.91
5.5.320.0000.05320.87
5.5.310.0030.07720.88
5.5.300.0000.03720.75
5.5.290.0000.05320.63
5.5.280.0070.03720.72
5.5.270.0030.08720.83
5.5.260.0130.07020.75
5.5.250.0000.08020.66
5.5.240.0070.06020.26
5.5.230.0030.05720.14
5.5.220.0070.06320.25
5.5.210.0030.07720.24
5.5.200.0000.05720.13
5.5.190.0070.06720.14
5.5.180.0100.07720.22
5.5.160.0030.07720.26
5.5.150.0000.04720.13
5.5.140.0000.04320.22
5.5.130.0030.03719.98
5.5.120.0030.06020.26
5.5.110.0000.08020.09
5.5.100.0130.07020.14
5.5.90.0000.08320.16
5.5.80.0030.07720.08
5.5.70.0070.07720.09
5.5.60.0000.06020.08
5.5.50.0030.08020.03
5.5.40.0000.06720.14
5.5.30.0000.07720.12
5.5.20.0200.07020.13
5.5.10.0130.05720.00
5.5.00.0000.08720.02
5.4.450.0000.04719.36
5.4.440.0070.03719.55
5.4.430.0000.04319.13
5.4.420.0000.08719.39
5.4.410.0070.06319.31
5.4.400.0000.04319.16
5.4.390.0170.06719.07
5.4.380.0100.06718.98
5.4.370.0030.07019.10
5.4.360.0100.07318.90
5.4.350.0070.07719.06
5.4.340.0070.07319.09
5.4.320.0070.08018.79
5.4.310.0030.05019.11
5.4.300.0000.04018.80
5.4.290.0000.05019.24
5.4.280.0000.08019.09
5.4.270.0000.05319.14
5.4.260.0030.08019.05
5.4.250.0070.07318.89
5.4.240.0030.05319.06
5.4.230.0000.07719.21
5.4.220.0000.07318.80
5.4.210.0030.08019.02
5.4.200.0100.06318.79
5.4.190.0000.05019.01
5.4.180.0030.03718.89
5.4.170.0030.08019.05
5.4.160.0030.03719.02
5.4.150.0100.07018.76
5.4.140.0000.06016.29
5.4.130.0070.07316.35
5.4.120.0070.06716.27
5.4.110.0070.06016.36
5.4.100.0030.07716.38
5.4.90.0030.07716.38
5.4.80.0100.06716.19
5.4.70.0070.07316.29
5.4.60.0030.05316.29
5.4.50.0000.04316.32
5.4.40.0130.06716.33
5.4.30.0070.06716.18
5.4.20.0070.06716.23
5.4.10.0070.07316.27
5.4.00.0000.06315.83
5.3.290.0070.04714.60
5.3.280.0000.04314.45
5.3.270.0130.07314.59
5.3.260.0070.07314.56
5.3.250.0000.05714.51
5.3.240.0070.03714.46
5.3.230.0070.06714.57
5.3.220.0030.07314.54
5.3.210.0070.07014.51
5.3.200.0000.07014.57
5.3.190.0030.06714.52
5.3.180.0000.08314.41
5.3.170.0070.07714.38
5.3.160.0030.08014.54
5.3.150.0030.04714.55
5.3.140.0000.06014.56
5.3.130.0000.08014.40
5.3.120.0030.06014.38
5.3.110.0070.07714.52
5.3.100.0100.05014.02
5.3.90.0000.06014.00
5.3.80.0030.05313.86
5.3.70.0000.07714.00
5.3.60.0030.08013.77
5.3.50.0070.07013.70
5.3.40.0030.07713.89
5.3.30.0000.08013.89
5.3.20.0030.04713.54
5.3.10.0000.06313.51
5.3.00.0030.07013.64
5.2.170.0030.06012.20
5.2.160.0070.06312.20
5.2.150.0070.06012.20
5.2.140.0070.05712.20
5.2.130.0030.06012.20
5.2.120.0000.05312.20
5.2.110.0000.06712.20
5.2.100.0000.04012.20
5.2.90.0030.04712.20
5.2.80.0030.03712.20
5.2.70.0000.05712.20
5.2.60.0100.04312.20
5.2.50.0030.05012.20
5.2.40.0070.05012.20
5.2.30.0000.05012.20
5.2.20.0100.05312.20
5.2.10.0000.06712.20
5.2.00.0000.03312.20
5.1.60.0070.05312.20
5.1.50.0000.05712.20
5.1.40.0000.04012.20
5.1.30.0030.05312.20
5.1.20.0000.06012.20
5.1.10.0000.05012.20
5.1.00.0030.04712.20
5.0.50.0030.04312.20
5.0.40.0000.04712.20
5.0.30.0000.06312.20
5.0.20.0100.03712.20
5.0.10.0000.04012.20
5.0.00.0000.05012.20
4.4.90.0000.02712.20
4.4.80.0000.02312.20
4.4.70.0000.01712.20
4.4.60.0030.03312.20
4.4.50.0030.01712.20
4.4.40.0000.04012.20
4.4.30.0000.03012.20
4.4.20.0000.03712.20
4.4.10.0000.02312.20
4.4.00.0000.04012.20
4.3.110.0000.04012.20
4.3.100.0000.02012.20
4.3.90.0000.03012.20
4.3.80.0030.05312.20
4.3.70.0000.03012.20
4.3.60.0000.02312.20
4.3.50.0070.02712.20
4.3.40.0000.05312.20
4.3.30.0030.02312.20
4.3.20.0070.03012.20
4.3.10.0000.02712.20
4.3.00.0030.02312.20

preferences:
48.24 ms | 401 KiB | 5 Q