3v4l.org

run code in 300+ PHP versions simultaneously
<?php $ourArray = array('brian' => 'brian'); unset($ourArray['brian'][0]);

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)
8.3.40.0150.00018.54
8.3.30.0090.00619.10
8.3.20.0060.00320.04
8.3.10.0070.00022.08
8.3.00.0080.00022.26
8.2.170.0110.00422.96
8.2.160.0040.01120.67
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0050.00326.16
8.2.120.0040.00419.48
8.2.110.0060.00322.07
8.2.100.0080.00417.91
8.2.90.0040.00419.22
8.2.80.0060.00319.54
8.2.70.0030.00617.63
8.2.60.0080.00017.93
8.2.50.0060.00318.07
8.2.40.0040.00418.09
8.2.30.0060.00618.06
8.2.20.0040.00417.59
8.2.10.0050.00319.58
8.2.00.0000.00717.64
8.1.270.0050.00323.84
8.1.260.0080.00026.35
8.1.250.0100.00328.09
8.1.240.0060.00323.96
8.1.230.0120.00018.79
8.1.220.0040.00417.74
8.1.210.0000.00918.77
8.1.200.0060.00317.11
8.1.190.0040.00417.41
8.1.180.0000.00918.10
8.1.170.0000.00818.53
8.1.160.0040.00421.85
8.1.150.0000.00718.52
8.1.140.0070.00017.43
8.1.130.0030.00317.77
8.1.120.0070.00017.38
8.1.110.0040.00417.28
8.1.100.0040.00417.38
8.1.90.0000.00817.29
8.1.80.0040.00417.38
8.1.70.0000.00717.34
8.1.60.0030.00617.41
8.1.50.0040.00417.54
8.1.40.0060.00617.40
8.1.30.0000.00817.54
8.1.20.0030.00517.48
8.1.10.0040.00417.55
8.1.00.0040.00417.53
8.0.300.0050.00318.77
8.0.290.0030.00317.18
8.0.280.0070.00018.36
8.0.270.0030.00317.09
8.0.260.0060.00016.80
8.0.250.0030.00316.85
8.0.240.0000.00716.83
8.0.230.0030.00316.82
8.0.220.0070.00016.87
8.0.210.0040.00316.90
8.0.200.0000.00616.86
8.0.190.0050.00216.96
8.0.180.0000.00716.77
8.0.170.0030.00516.79
8.0.160.0060.00316.91
8.0.150.0000.00716.79
8.0.140.0050.00516.91
8.0.130.0050.00013.31
8.0.120.0040.00416.83
8.0.110.0040.00416.87
8.0.100.0000.00816.93
8.0.90.0050.00316.95
8.0.80.0080.00716.86
8.0.70.0000.00716.94
8.0.60.0020.00516.77
8.0.50.0000.00816.88
8.0.30.0140.01017.33
8.0.20.0150.00417.40
8.0.10.0000.00716.87
8.0.00.0090.00916.82
7.4.330.0030.00315.18
7.4.320.0000.00716.50
7.4.300.0000.00616.57
7.4.290.0000.00716.51
7.4.280.0040.00416.52
7.4.270.0030.00316.57
7.4.260.0050.00516.52
7.4.250.0080.00016.55
7.4.240.0040.00416.46
7.4.230.0000.00716.52
7.4.220.0070.01016.45
7.4.210.0090.00616.59
7.4.200.0050.00216.68
7.4.190.0030.00316.64
7.4.160.0090.00916.61
7.4.150.0120.01217.40
7.4.140.0110.00717.86
7.4.130.0060.01216.64
7.4.120.0120.00516.58
7.4.110.0080.00816.53
7.4.100.0070.01016.63
7.4.90.0100.00716.43
7.4.80.0120.00819.39
7.4.70.0030.01216.64
7.4.60.0000.01616.41
7.4.50.0040.00416.25
7.4.40.0100.00322.77
7.4.30.0080.00816.58
7.4.00.0070.01014.92
7.3.330.0030.00313.06
7.3.320.0030.00313.16
7.3.310.0000.00716.24
7.3.300.0040.00416.32
7.3.290.0100.01016.42
7.3.280.0100.00816.34
7.3.270.0140.01017.40
7.3.260.0030.01616.21
7.3.250.0110.00916.38
7.3.240.0170.00016.21
7.3.230.0070.01016.45
7.3.210.0070.01016.31
7.3.200.0080.01119.39
7.3.190.0150.00816.22
7.3.180.0060.01216.43
7.3.170.0040.01116.27
7.3.160.0110.00516.27
7.3.120.0060.00614.97
7.3.10.0160.01216.01
7.3.00.0170.00716.18
7.2.330.0100.00716.57
7.2.320.0090.00916.63
7.2.310.0060.01016.62
7.2.300.0090.00616.38
7.2.290.0140.00816.51
7.2.130.0230.00316.49
7.2.120.0260.00816.54
7.2.110.0070.01416.15
7.2.100.0200.00016.63
7.2.90.0130.00415.80
7.2.80.0030.01416.26
7.2.70.0140.00016.09
7.2.60.0100.00716.53
7.2.50.0100.00416.80
7.2.40.0140.00716.88
7.2.30.0140.00316.47
7.2.20.0060.00616.02
7.2.10.0060.00616.44
7.2.00.0070.01217.81
7.1.250.0180.01115.80
7.1.200.0070.00715.68
7.1.70.0030.00617.19
7.1.60.0060.00919.82
7.1.50.0090.01217.03
7.1.00.0070.07322.36
7.0.200.0080.00316.81
7.0.140.0030.07321.95
7.0.70.0030.08721.72
7.0.60.0100.07721.88
7.0.50.0100.08022.12
7.0.40.0000.08720.10
7.0.30.0000.08020.19
7.0.20.0070.08320.19
7.0.10.0170.07320.18
7.0.00.0030.04720.18
5.6.280.0070.07021.09
5.6.220.0100.04020.57
5.6.210.0070.06020.46
5.6.200.0030.05721.11
5.6.190.0030.08020.93
5.6.180.0030.08721.04
5.6.170.0070.08321.09
5.6.160.0070.08321.10
5.6.150.0070.08021.07
5.6.140.0030.06020.90
5.6.130.0070.08321.10
5.6.120.0100.08321.00
5.6.110.0030.08321.00
5.6.100.0070.04720.98
5.6.90.0000.04721.00
5.6.80.0100.07720.49
5.6.70.0070.05320.36
5.6.60.0030.08020.47
5.6.50.0000.07720.32
5.6.40.0030.08020.45
5.6.30.0030.05320.30
5.6.20.0100.08020.42
5.6.10.0030.08320.52
5.6.00.0030.08020.44
5.5.360.0130.07720.38
5.5.350.0030.08020.39
5.5.340.0130.06320.88
5.5.330.0030.06020.83
5.5.320.0100.08020.87
5.5.310.0030.07720.85
5.5.300.0170.07320.72
5.5.290.0070.08320.86
5.5.280.0070.06020.88
5.5.270.0000.09020.76
5.5.260.0000.04320.83
5.5.250.0030.05320.53
5.5.240.0030.07020.02
5.5.230.0000.06720.16
5.5.220.0000.08720.11
5.5.210.0000.07320.14
5.5.200.0030.06720.08
5.5.190.0100.07020.15
5.5.180.0130.07320.14
5.5.160.0030.07320.23
5.5.150.0100.06020.22
5.5.140.0100.06320.16
5.5.130.0100.07720.24
5.5.120.0030.06020.09
5.5.110.0070.08020.24
5.5.100.0000.08319.96
5.5.90.0030.04720.16
5.5.80.0000.05020.14
5.5.70.0030.06720.11
5.5.60.0100.07320.07
5.5.50.0130.06320.07
5.5.40.0000.07720.15
5.5.30.0000.07720.10
5.5.20.0070.04719.95
5.5.10.0030.07320.12
5.5.00.0030.06720.02
5.4.450.0030.08719.45
5.4.440.0130.07319.39
5.4.430.0030.07719.24
5.4.420.0100.06019.46
5.4.410.0000.04018.98
5.4.400.0030.03319.13
5.4.390.0030.04719.05
5.4.380.0030.07719.14
5.4.370.0000.03719.09
5.4.360.0070.07019.07
5.4.350.0070.07318.96
5.4.340.0030.07718.95
5.4.320.0100.08019.12
5.4.310.0070.07018.79
5.4.300.0070.06718.94
5.4.290.0000.08318.97
5.4.280.0030.08019.03
5.4.270.0030.03718.89
5.4.260.0070.07718.78
5.4.250.0030.06019.14
5.4.240.0070.06718.98
5.4.230.0070.05318.87
5.4.220.0070.06719.02
5.4.210.0130.06318.80
5.4.200.0030.07319.14
5.4.190.0000.08019.04
5.4.180.0070.07019.09
5.4.170.0000.08019.07
5.4.160.0000.06718.98
5.4.150.0030.07019.04
5.4.140.0030.07316.35
5.4.130.0100.06716.27
5.4.120.0000.06716.37
5.4.110.0170.06716.34
5.4.100.0000.08316.26
5.4.90.0000.05716.20
5.4.80.0000.07016.47
5.4.70.0030.07716.25
5.4.60.0030.05716.42
5.4.50.0030.07316.41
5.4.40.0100.06716.26
5.4.30.0000.04316.21
5.4.20.0100.06016.34
5.4.10.0030.07016.21
5.4.00.0000.05315.79
5.3.290.0030.06014.67
5.3.280.0000.07714.45
5.3.270.0000.07714.46
5.3.260.0030.08014.59
5.3.250.0070.04314.58
5.3.240.0000.04714.51
5.3.230.0030.05714.58
5.3.220.0000.07714.51
5.3.210.0100.07014.41
5.3.200.0070.07714.43
5.3.190.0000.08014.55
5.3.180.0070.04714.52
5.3.170.0000.07314.42
5.3.160.0100.07014.42
5.3.150.0200.06314.52
5.3.140.0000.06714.41
5.3.130.0000.04714.54
5.3.120.0030.07714.38
5.3.110.0030.06714.54
5.3.100.0030.06314.00
5.3.90.0000.08013.83
5.3.80.0000.07313.92
5.3.70.0030.07313.96
5.3.60.0030.07313.88
5.3.50.0000.06313.71
5.3.40.0030.07013.88
5.3.30.0030.07013.76
5.3.20.0030.07713.44
5.3.10.0030.07313.64
5.3.00.0000.08013.59
5.2.170.0000.06712.32
5.2.160.0000.06312.32
5.2.150.0000.06312.32
5.2.140.0000.04012.32
5.2.130.0000.05012.32
5.2.120.0070.05712.32
5.2.110.0000.05012.32
5.2.100.0030.05312.32
5.2.90.0030.05712.32
5.2.80.0030.05012.32
5.2.70.0070.05712.32
5.2.60.0000.06712.32
5.2.50.0000.06012.32
5.2.40.0070.04712.32
5.2.30.0030.06312.32
5.2.20.0070.06012.32
5.2.10.0030.05312.32
5.2.00.0000.04712.32
5.1.60.0030.05012.32
5.1.50.0030.05312.32
5.1.40.0000.05312.32
5.1.30.0070.05712.32
5.1.20.0030.05312.32
5.1.10.0070.05312.32
5.1.00.0030.04712.32
5.0.50.0030.03012.32
5.0.40.0030.02012.32
5.0.30.0070.05712.32
5.0.20.0000.04712.32
5.0.10.0000.04012.32
5.0.00.0000.06712.32
4.4.90.0000.03012.32
4.4.80.0030.03012.32
4.4.70.0000.03712.32
4.4.60.0000.03712.32
4.4.50.0000.02712.32
4.4.40.0000.05012.32
4.4.30.0000.02312.32
4.4.20.0070.02312.32
4.4.10.0000.03712.32
4.4.00.0030.03012.32
4.3.110.0000.03712.32
4.3.100.0070.03312.32
4.3.90.0030.03012.32
4.3.80.0000.04312.32
4.3.70.0030.03312.32
4.3.60.0030.03012.32
4.3.50.0000.02712.32
4.3.40.0000.04312.32
4.3.30.0070.01712.32
4.3.20.0000.04012.32
4.3.10.0000.03712.32
4.3.00.0000.03712.32

preferences:
43.83 ms | 400 KiB | 5 Q