3v4l.org

run code in 300+ PHP versions simultaneously
<?php $ourArray = array('brian' => 'brian'); unset($ourArray['charles'][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)
8.3.60.0140.00716.50
8.3.50.0090.00821.90
8.3.40.0140.00318.67
8.3.30.0120.00918.93
8.3.20.0000.00820.04
8.3.10.0060.00323.48
8.3.00.0070.00718.89
8.2.180.0110.01116.63
8.2.170.0100.00322.96
8.2.160.0030.01020.53
8.2.150.0090.00024.18
8.2.140.0150.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00420.89
8.2.110.0050.00522.08
8.2.100.0040.00817.72
8.2.90.0050.00319.26
8.2.80.0000.00917.97
8.2.70.0070.00317.63
8.2.60.0040.00417.80
8.2.50.0050.00318.07
8.2.40.0060.00319.89
8.2.30.0050.00318.23
8.2.20.0000.00817.66
8.2.10.0040.00417.86
8.2.00.0040.00417.61
8.1.280.0090.00925.92
8.1.270.0050.00523.83
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0090.00023.92
8.1.230.0080.00319.00
8.1.220.0000.00717.74
8.1.210.0000.00818.77
8.1.200.0030.00917.23
8.1.190.0040.00816.97
8.1.180.0080.00018.10
8.1.170.0030.00518.59
8.1.160.0050.00222.04
8.1.150.0040.00418.48
8.1.140.0000.00817.38
8.1.130.0030.00317.85
8.1.120.0040.00417.40
8.1.110.0000.00717.34
8.1.100.0040.00417.27
8.1.90.0000.00817.31
8.1.80.0070.00017.28
8.1.70.0030.00317.34
8.1.60.0040.00417.37
8.1.50.0030.00617.39
8.1.40.0030.00617.47
8.1.30.0000.00817.50
8.1.20.0000.00717.57
8.1.10.0040.00417.39
8.1.00.0000.00717.50
8.0.300.0000.00718.77
8.0.290.0000.00717.05
8.0.280.0040.00418.37
8.0.270.0030.00317.05
8.0.260.0000.00617.14
8.0.250.0000.00716.80
8.0.240.0040.00416.77
8.0.230.0070.00016.79
8.0.220.0030.00316.71
8.0.210.0030.00516.71
8.0.200.0030.00316.88
8.0.190.0000.00716.86
8.0.180.0050.00616.86
8.0.170.0000.00716.80
8.0.160.0070.00016.79
8.0.150.0030.00516.80
8.0.140.0080.00016.84
8.0.130.0000.00613.23
8.0.120.0000.00916.81
8.0.110.0040.00416.79
8.0.100.0030.00316.78
8.0.90.0050.00316.88
8.0.80.0120.00616.80
8.0.70.0040.00416.94
8.0.60.0050.00316.64
8.0.50.0040.00416.65
8.0.30.0090.00916.97
8.0.20.0120.00617.40
8.0.10.0030.00316.90
8.0.00.0090.00816.75
7.4.330.0000.00715.00
7.4.320.0000.00716.51
7.4.300.0030.00316.46
7.4.290.0030.00316.57
7.4.280.0000.00716.33
7.4.270.0070.00016.50
7.4.260.0030.00316.60
7.4.250.0040.00416.56
7.4.240.0010.00616.50
7.4.230.0030.00316.47
7.4.220.0090.00916.54
7.4.210.0070.00816.55
7.4.200.0000.00716.32
7.4.190.0030.00316.64
7.4.160.0130.00416.38
7.4.150.0100.00717.40
7.4.140.0120.00617.86
7.4.130.0140.00516.49
7.4.120.0170.00616.52
7.4.110.0180.00716.34
7.4.100.0030.01416.32
7.4.90.0060.01216.52
7.4.80.0070.01119.39
7.4.70.0060.01116.18
7.4.60.0120.00916.27
7.4.50.0040.00416.53
7.4.40.0130.00316.42
7.4.30.0120.00616.45
7.4.00.0040.00814.95
7.3.330.0000.00613.21
7.3.320.0000.00712.99
7.3.310.0070.00016.32
7.3.300.0030.00316.24
7.3.290.0090.00616.25
7.3.280.0120.00516.24
7.3.270.0040.01317.40
7.3.260.0070.01116.34
7.3.250.0110.00816.19
7.3.240.0170.00016.41
7.3.230.0130.00316.39
7.3.210.0090.00916.29
7.3.200.0130.00919.39
7.3.190.0070.01016.54
7.3.180.0120.00316.24
7.3.170.0120.01016.30
7.3.160.0110.00416.21
7.3.120.0030.01014.74
7.3.10.0020.00916.40
7.3.00.0020.00916.54
7.2.330.0080.00816.29
7.2.320.0130.00516.24
7.2.310.0100.00616.70
7.2.300.0100.00616.21
7.2.290.0070.01016.42
7.2.130.0060.01016.75
7.2.120.0080.00716.86
7.2.110.0060.00816.77
7.2.100.0060.00616.64
7.2.90.0060.00616.72
7.2.80.0050.00816.84
7.2.70.0060.00716.90
7.2.60.0030.00716.93
7.2.50.0050.01016.98
7.2.40.0080.00416.72
7.2.30.0050.00816.84
7.2.20.0100.00316.61
7.2.10.0060.00316.88
7.2.00.0070.00917.56
7.1.250.0040.00715.82
7.1.100.0040.00718.18
7.1.70.0000.00916.89
7.1.60.0120.00019.46
7.1.50.0060.01216.55
7.1.00.0030.07722.57
7.0.200.0000.00716.63
7.0.140.0070.06322.09
7.0.70.0030.09021.73
7.0.60.0100.05721.73
7.0.50.0030.05022.20
7.0.40.0130.07720.10
7.0.30.0000.08720.13
7.0.20.0030.07719.99
7.0.10.0170.06720.14
7.0.00.0030.08020.04
5.6.280.0130.06321.04
5.6.220.0030.04320.67
5.6.210.0030.08320.67
5.6.200.0100.07720.96
5.6.190.0130.07721.16
5.6.180.0030.06321.04
5.6.170.0030.05021.04
5.6.160.0070.05020.95
5.6.150.0000.06321.17
5.6.140.0130.04321.09
5.6.130.0000.07720.95
5.6.120.0000.07321.04
5.6.110.0000.04720.94
5.6.100.0000.04321.08
5.6.90.0030.04320.98
5.6.80.0030.03320.38
5.6.70.0030.03720.32
5.6.60.0000.04020.50
5.6.50.0030.03720.48
5.6.40.0030.04720.45
5.6.30.0000.04320.44
5.6.20.0030.03720.36
5.6.10.0000.04020.34
5.6.00.0000.03320.38
5.5.360.0000.05020.49
5.5.350.0100.06720.40
5.5.340.0130.05320.77
5.5.330.0070.05020.76
5.5.320.0100.07720.89
5.5.310.0100.04020.87
5.5.300.0030.08720.76
5.5.290.0000.05020.81
5.5.280.0070.04320.75
5.5.270.0070.03720.79
5.5.260.0030.03720.87
5.5.250.0000.04320.68
5.5.240.0030.04020.13
5.5.230.0030.04020.29
5.5.220.0000.04020.25
5.5.210.0070.03020.01
5.5.200.0000.04020.03
5.5.190.0000.04020.14
5.5.180.0000.05320.09
5.5.160.0000.04020.20
5.5.150.0000.04020.21
5.5.140.0070.03320.22
5.5.130.0030.03720.23
5.5.120.0070.03320.26
5.5.110.0030.03720.11
5.5.100.0030.03720.09
5.5.90.0000.04020.07
5.5.80.0070.03320.10
5.5.70.0070.03720.07
5.5.60.0000.03320.14
5.5.50.0000.03320.07
5.5.40.0000.04020.14
5.5.30.0030.03720.04
5.5.20.0030.03720.01
5.5.10.0000.04019.96
5.5.00.0030.05019.96
5.4.450.0070.03719.40
5.4.440.0000.05719.27
5.4.430.0030.06319.26
5.4.420.0000.05719.55
5.4.410.0000.04019.27
5.4.400.0000.04019.07
5.4.390.0000.03318.98
5.4.380.0000.04019.05
5.4.370.0000.03719.18
5.4.360.0030.03719.12
5.4.350.0030.03718.95
5.4.340.0100.03018.96
5.4.320.0030.03318.81
5.4.310.0030.03019.06
5.4.300.0070.03018.89
5.4.290.0030.03019.11
5.4.280.0000.03319.02
5.4.270.0030.03318.97
5.4.260.0070.03019.02
5.4.250.0000.04019.09
5.4.240.0000.04018.89
5.4.230.0030.03019.07
5.4.220.0000.03719.02
5.4.210.0030.03718.77
5.4.200.0030.03319.12
5.4.190.0000.03719.11
5.4.180.0030.03319.02
5.4.170.0000.04019.02
5.4.160.0000.04019.02
5.4.150.0000.05019.02
5.4.140.0000.04316.14
5.4.130.0070.04016.32
5.4.120.0030.05016.29
5.4.110.0070.07016.22
5.4.100.0030.06316.34
5.4.90.0000.05316.36
5.4.80.0030.06316.36
5.4.70.0000.07016.29
5.4.60.0030.05016.28
5.4.50.0030.07716.23
5.4.40.0000.04316.24
5.4.30.0030.07016.30
5.4.20.0030.04016.27
5.4.10.0070.06316.13
5.4.00.0030.06715.71
5.3.290.0000.03714.62
5.3.280.0030.03314.41
5.3.270.0000.06314.61
5.3.260.0000.03714.59
5.3.250.0000.03714.56
5.3.240.0070.05314.58
5.3.230.0000.04714.50
5.3.220.0030.07014.57
5.3.210.0070.06714.47
5.3.200.0000.07014.55
5.3.190.0000.08014.47
5.3.180.0000.05714.54
5.3.170.0030.07314.42
5.3.160.0030.05014.41
5.3.150.0000.05014.39
5.3.140.0070.07314.48
5.3.130.0030.08014.52
5.3.120.0000.05714.48
5.3.110.0030.06314.54
5.3.100.0030.05713.89
5.3.90.0100.06314.00
5.3.80.0100.06713.77
5.3.70.0000.07713.97
5.3.60.0070.06313.86
5.3.50.0030.05313.93
5.3.40.0000.06013.93
5.3.30.0070.07013.75
5.3.20.0000.05013.64
5.3.10.0030.07013.65
5.3.00.0030.05713.49
5.2.170.0030.06012.09
5.2.160.0000.06012.09
5.2.150.0030.06012.09
5.2.140.0000.05012.09
5.2.130.0000.06312.09
5.2.120.0070.05712.09
5.2.110.0000.06312.09
5.2.100.0030.03712.09
5.2.90.0000.03712.09
5.2.80.0070.03712.09
5.2.70.0030.04712.09
5.2.60.0070.06012.09
5.2.50.0070.05712.09
5.2.40.0030.06312.09
5.2.30.0030.05012.09
5.2.20.0030.06012.09
5.2.10.0030.04712.11
5.2.00.0030.06012.15
5.1.60.0030.04012.15
5.1.50.0030.04312.18
5.1.40.0000.05712.21
5.1.30.0070.05712.21
5.1.20.0070.04312.21
5.1.10.0030.05712.22
5.1.00.0070.03312.22
5.0.50.0030.04312.22
5.0.40.0100.02312.22
5.0.30.0030.06012.22
5.0.20.0000.04712.22
5.0.10.0000.04312.22
5.0.00.0030.06312.22
4.4.90.0030.03312.09
4.4.80.0000.03712.09
4.4.70.0030.03012.09
4.4.60.0000.02712.10
4.4.50.0000.03312.11
4.4.40.0000.02712.17
4.4.30.0030.01312.18
4.4.20.0000.03712.22
4.4.10.0000.03712.22
4.4.00.0000.05712.22
4.3.110.0030.02012.22
4.3.100.0030.03312.22
4.3.90.0000.03712.22
4.3.80.0000.05012.22
4.3.70.0000.03312.22
4.3.60.0030.03012.22
4.3.50.0000.01712.22
4.3.40.0000.03312.22
4.3.30.0000.04012.22
4.3.20.0030.01312.22
4.3.10.0000.01712.22
4.3.00.0000.02312.22

preferences:
38.07 ms | 401 KiB | 5 Q