3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = array(1, 2, 3, 'dupa' => 3, 245); print_r($x); unset($x[1]); unset($x['dupa']); print_r($x);

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)
8.3.60.0070.01118.43
8.3.50.0120.00921.27
8.3.40.0140.00718.73
8.3.30.0100.00320.33
8.3.20.0090.00020.28
8.3.10.0050.00320.92
8.3.00.0020.00522.46
8.2.180.0140.00716.38
8.2.170.0100.01022.96
8.2.160.0110.00320.52
8.2.150.0060.00324.18
8.2.140.0070.00424.66
8.2.130.0050.00226.16
8.2.120.0040.00421.00
8.2.110.0060.00320.35
8.2.100.0060.00617.72
8.2.90.0060.00319.20
8.2.80.0000.00917.97
8.2.70.0060.00317.38
8.2.60.0000.01017.92
8.2.50.0040.00818.07
8.2.40.0080.00018.22
8.2.30.0000.00819.49
8.2.20.0040.00417.71
8.2.10.0000.00717.67
8.2.00.0030.00617.66
8.1.280.0080.00825.92
8.1.270.0040.00423.99
8.1.260.0000.00726.35
8.1.250.0030.00528.09
8.1.240.0070.00323.98
8.1.230.0070.00419.14
8.1.220.0000.00917.74
8.1.210.0000.00818.77
8.1.200.0080.00017.23
8.1.190.0040.00417.41
8.1.180.0120.00018.10
8.1.170.0080.00018.44
8.1.160.0040.00418.82
8.1.150.0020.00618.61
8.1.140.0040.00417.52
8.1.130.0000.00717.69
8.1.120.0030.00417.45
8.1.110.0040.00417.46
8.1.100.0020.00517.21
8.1.90.0080.00017.35
8.1.80.0040.00417.41
8.1.70.0000.00717.36
8.1.60.0030.00517.52
8.1.50.0050.00217.46
8.1.40.0040.00417.50
8.1.30.0000.00817.58
8.1.20.0000.01017.65
8.1.10.0000.00717.46
8.1.00.0030.00617.41
8.0.300.0060.00318.77
8.0.290.0000.00717.05
8.0.280.0000.00718.41
8.0.270.0030.00317.22
8.0.260.0030.00316.64
8.0.250.0050.00516.73
8.0.240.0000.00916.92
8.0.230.0030.00316.79
8.0.220.0030.00316.80
8.0.210.0070.00016.88
8.0.200.0000.00616.80
8.0.190.0040.00416.83
8.0.180.0000.00716.74
8.0.170.0000.00716.83
8.0.160.0050.00216.85
8.0.150.0040.00416.83
8.0.140.0020.00516.73
8.0.130.0030.00313.18
8.0.120.0040.00416.82
8.0.110.0040.00416.71
8.0.100.0080.00016.80
8.0.90.0040.00416.84
8.0.80.0140.00716.82
8.0.70.0000.00716.69
8.0.60.0000.00716.86
8.0.50.0000.00716.87
8.0.30.0080.01217.14
8.0.20.0130.00517.40
8.0.10.0040.00416.90
8.0.00.0100.00816.82
7.4.330.0050.00016.67
7.4.320.0080.00016.58
7.4.300.0040.00416.55
7.4.290.0030.00316.48
7.4.280.0030.00316.50
7.4.270.0030.00316.58
7.4.260.0020.00313.17
7.4.250.0050.00216.60
7.4.240.0070.00016.48
7.4.230.0030.00316.53
7.4.220.0120.00816.62
7.4.210.0080.00816.62
7.4.200.0040.00416.70
7.4.190.0000.00716.56
7.4.160.0100.00716.15
7.4.150.0120.00617.40
7.4.140.0050.01117.86
7.4.130.0090.01016.59
7.4.120.0080.00816.39
7.4.110.0090.00916.23
7.4.100.0090.00916.50
7.4.90.0060.01216.31
7.4.80.0110.00619.39
7.4.70.0120.00316.38
7.4.60.0110.00716.62
7.4.50.0040.00416.46
7.4.40.0100.00722.77
7.4.30.0160.00016.49
7.4.00.0070.01014.66
7.3.330.0060.00013.11
7.3.320.0050.00013.06
7.3.310.0000.00716.04
7.3.300.0000.00616.20
7.3.290.0090.00516.21
7.3.280.0090.00916.23
7.3.270.0100.01317.40
7.3.260.0110.00818.24
7.3.250.0090.01016.23
7.3.240.0060.01216.22
7.3.230.0130.00416.39
7.3.210.0120.00916.29
7.3.200.0100.00716.29
7.3.190.0140.00316.17
7.3.180.0030.01516.23
7.3.170.0130.00316.27
7.3.160.0110.00716.27
7.3.120.0030.01214.83
7.2.330.0140.00816.35
7.2.320.0140.00816.20
7.2.310.0110.00716.62
7.2.300.0090.00916.43
7.2.290.0060.00916.13
7.2.60.0040.00416.80
7.2.00.0030.01019.08
7.1.200.0090.00015.52
7.1.100.0080.00818.17
7.1.70.0030.00316.92
7.1.60.0170.00719.17
7.1.50.0100.01016.57
7.1.00.0000.06022.54
7.0.200.0050.00316.69
7.0.140.0030.07321.97
7.0.100.0070.08320.04
7.0.90.0130.08020.02
7.0.80.0070.07019.93
7.0.70.0200.06019.99
7.0.60.0070.06319.78
7.0.50.0270.08020.30
7.0.40.0100.07320.04
7.0.30.0070.08019.96
7.0.20.0030.07020.04
7.0.10.0100.08020.04
7.0.00.0100.07320.09
5.6.280.0030.07321.07
5.6.250.0130.06720.66
5.6.240.0130.07720.62
5.6.230.0030.09720.61
5.6.220.0070.08320.49
5.6.210.0130.07320.57
5.6.200.0100.07721.02
5.6.190.0070.05021.04
5.6.180.0030.08021.03
5.6.170.0070.06021.07
5.6.160.0130.07721.13
5.6.150.0130.07321.13
5.6.140.0100.07321.02
5.6.130.0170.07321.05
5.6.120.0070.07021.02
5.6.110.0070.08721.09
5.6.100.0030.09021.02
5.6.90.0100.07321.10
5.6.80.0070.05720.39
5.6.70.0100.07720.45
5.6.60.0170.06320.43
5.6.50.0130.08020.48
5.6.40.0130.07720.38
5.6.30.0130.06720.39
5.6.20.0130.07720.38
5.6.10.0070.08320.39
5.6.00.0100.06720.34
5.5.380.0130.07320.55
5.5.370.0100.07020.38
5.5.360.0100.08020.33
5.5.350.0100.05320.43
5.5.340.0100.05020.89
5.5.330.0200.06720.75
5.5.320.0070.08320.77
5.5.310.0070.04320.88
5.5.300.0130.05320.63
5.5.290.0070.08320.63
5.5.280.0100.07720.77
5.5.270.0170.08020.84
5.5.260.0070.08020.71
5.5.250.0070.08720.57
5.5.240.0070.08020.02
5.5.230.0070.05720.20
5.5.220.0000.07320.12
5.5.210.0070.06720.24
5.5.200.0130.06720.18
5.5.190.0100.06720.17
5.5.180.0030.09020.25
5.5.160.0070.08020.10
5.5.150.0030.08320.26
5.5.140.0100.06720.25
5.5.130.0100.07020.21
5.5.120.0030.07020.07
5.5.110.0130.03320.21
5.5.100.0100.04720.11
5.5.90.0030.05320.00
5.5.80.0000.04720.04
5.5.70.0000.05019.91
5.5.60.0000.04319.90
5.5.50.0070.03719.99
5.5.40.0000.04320.02
5.5.30.0070.03720.13
5.5.20.0030.04019.98
5.5.10.0030.04320.13
5.5.00.0230.06320.05
5.4.450.0100.07319.51
5.4.440.0100.08019.22
5.4.430.0170.07019.35
5.4.420.0100.05019.45
5.4.410.0070.05719.08
5.4.400.0100.06318.88
5.4.390.0030.04318.94
5.4.380.0130.05319.12
5.4.370.0030.04719.02
5.4.360.0100.07019.09
5.4.350.0030.07319.13
5.4.340.0100.06318.85
5.4.320.0130.06718.87
5.4.310.0100.03719.03
5.4.300.0130.07719.02
5.4.290.0030.08019.04
5.4.280.0030.08019.12
5.4.270.0130.03318.95
5.4.260.0030.03719.17
5.4.250.0030.04018.84
5.4.240.0000.04719.09
5.4.230.0030.03718.84
5.4.220.0000.05019.11
5.4.210.0100.03319.03
5.4.200.0030.03719.17
5.4.190.0070.03718.97
5.4.180.0070.03719.11
5.4.170.0100.03319.02
5.4.160.0000.05019.02
5.4.150.0030.04019.18
5.4.140.0070.03716.41
5.4.130.0170.03316.48
5.4.120.0130.02716.41
5.4.110.0030.04016.39
5.4.100.0070.06016.32
5.4.90.0070.03716.43
5.4.80.0000.03716.49
5.4.70.0000.03316.37
5.4.60.0030.03716.48
5.4.50.0030.03716.49
5.4.40.0070.04316.54
5.4.30.0070.03316.45
5.4.20.0100.03016.23
5.4.10.0030.03016.43
5.4.00.0030.04315.78
5.3.290.0130.07314.74
5.3.280.0130.04014.52
5.3.270.0030.04014.75
5.3.260.0070.05714.71
5.3.250.0000.04314.66
5.3.240.0030.03714.74
5.3.230.0070.04014.60
5.3.220.0070.03714.62
5.3.210.0030.03714.68
5.3.200.0030.03314.58
5.3.190.0000.04014.52
5.3.180.0030.03714.50
5.3.170.0000.04014.48
5.3.160.0030.05014.66
5.3.150.0030.04314.61
5.3.140.0030.03714.68
5.3.130.0070.03714.60
5.3.120.0070.03314.56
5.3.110.0000.04014.59
5.3.100.0100.04014.00
5.3.90.0030.03714.07
5.3.80.0070.03314.09
5.3.70.0070.05714.12
5.3.60.0070.03714.06
5.3.50.0030.05013.82
5.3.40.0030.03713.82
5.3.30.0000.03713.96
5.3.20.0030.03313.61
5.3.10.0070.03313.76
5.3.00.0030.03013.61
5.2.170.0100.02312.44
5.2.160.0030.02312.44
5.2.150.0030.04012.44
5.2.140.0000.03012.44
5.2.130.0030.04012.44
5.2.120.0030.02712.44
5.2.110.0030.02712.44
5.2.100.0000.03312.44
5.2.90.0070.02312.44
5.2.80.0030.03712.44
5.2.70.0030.03712.44
5.2.60.0070.04312.44
5.2.50.0000.06712.44
5.2.40.0030.06012.44
5.2.30.0070.06012.44
5.2.20.0000.04012.44
5.2.10.0100.03312.44
5.2.00.0000.06312.44
5.1.60.0070.05312.44
5.1.50.0070.05012.44
5.1.40.0030.03312.44
5.1.30.0030.03012.44
5.1.20.0100.05712.44
5.1.10.0130.04712.44
5.1.00.0030.05712.44
5.0.50.0100.03712.44
5.0.40.0030.04712.44
5.0.30.0070.05712.44
5.0.20.0100.03712.44
5.0.10.0000.03012.44
5.0.00.0070.06312.44
4.4.90.0000.02012.44
4.4.80.0000.01712.44
4.4.70.0000.01712.44
4.4.60.0000.03712.44
4.4.50.0000.03312.44
4.4.40.0030.05312.44
4.4.30.0000.03012.44
4.4.20.0000.04012.44
4.4.10.0000.03012.44
4.4.00.0000.05312.44
4.3.110.0000.03012.44
4.3.100.0070.03312.44
4.3.90.0030.03012.44
4.3.80.0070.04012.44
4.3.70.0070.03012.44
4.3.60.0000.02712.44
4.3.50.0000.03312.44
4.3.40.0030.03012.44
4.3.30.0000.04012.44
4.3.20.0030.03312.44
4.3.10.0030.03312.44
4.3.00.0000.01712.44

preferences:
51.03 ms | 401 KiB | 5 Q