3v4l.org

run code in 300+ PHP versions simultaneously
<?php $test = array( 'foo' => 23, 'bar' => 42, 'fubar' => 23, ); unset($test['bar']); var_dump($test); exit;

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)
8.3.70.0100.00616.75
8.3.60.0070.00718.56
8.3.50.0120.00921.97
8.3.40.0040.01118.67
8.3.30.0100.00318.92
8.3.20.0000.00720.07
8.3.10.0040.00423.36
8.3.00.0060.00319.25
8.2.180.0120.00918.54
8.2.170.0070.00722.96
8.2.160.0080.00620.38
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0040.00422.26
8.2.110.0030.00919.27
8.2.100.0040.00717.91
8.2.90.0000.00817.97
8.2.80.0040.00417.97
8.2.70.0090.00017.50
8.2.60.0000.00718.04
8.2.50.0080.00318.07
8.2.40.0000.00718.34
8.2.30.0040.00418.12
8.2.20.0000.00717.84
8.2.10.0040.00417.98
8.2.00.0040.00717.73
8.1.280.0040.01125.92
8.1.270.0080.00022.14
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0030.00622.55
8.1.230.0110.00021.03
8.1.220.0000.00817.74
8.1.210.0040.00418.87
8.1.200.0030.00617.35
8.1.190.0000.00817.55
8.1.180.0000.00918.10
8.1.170.0080.00018.55
8.1.160.0050.00321.93
8.1.150.0040.00418.60
8.1.140.0040.00417.32
8.1.130.0030.00317.78
8.1.120.0000.00717.40
8.1.110.0000.00917.39
8.1.100.0000.00717.40
8.1.90.0040.00417.39
8.1.80.0000.00717.41
8.1.70.0000.00817.38
8.1.60.0040.00417.50
8.1.50.0060.00317.38
8.1.40.0050.00317.54
8.1.30.0040.00417.63
8.1.20.0000.00717.55
8.1.10.0030.00517.49
8.1.00.0040.00417.49
8.0.300.0080.00019.91
8.0.290.0070.00017.16
8.0.280.0040.00418.37
8.0.270.0050.00217.19
8.0.260.0000.00617.09
8.0.250.0000.00716.91
8.0.240.0080.00016.83
8.0.230.0030.00316.91
8.0.220.0000.00716.88
8.0.210.0030.00316.92
8.0.200.0050.00216.86
8.0.190.0040.00416.99
8.0.180.0030.00516.86
8.0.170.0000.00716.80
8.0.160.0000.00716.90
8.0.150.0040.00416.78
8.0.140.0070.00016.74
8.0.130.0030.00313.34
8.0.120.0000.00716.81
8.0.110.0000.00716.79
8.0.100.0030.00516.82
8.0.90.0000.00716.87
8.0.80.0030.01216.76
8.0.70.0070.00016.74
8.0.60.0000.00816.99
8.0.50.0000.00716.90
8.0.30.0110.01017.02
8.0.20.0130.00517.40
8.0.10.0000.00816.95
8.0.00.0060.01116.68
7.4.330.0000.00515.00
7.4.320.0050.00316.60
7.4.300.0060.00016.51
7.4.290.0060.00016.60
7.4.280.0040.00316.45
7.4.270.0040.00416.64
7.4.260.0040.00416.45
7.4.250.0040.00416.49
7.4.240.0030.00316.58
7.4.230.0030.00316.64
7.4.220.0070.01016.46
7.4.210.0080.00716.58
7.4.200.0040.00316.69
7.4.190.0070.00016.67
7.4.160.0040.01116.27
7.4.150.0030.01417.40
7.4.140.0130.00817.86
7.4.130.0070.01016.42
7.4.120.0100.00616.59
7.4.110.0120.00816.52
7.4.100.0040.01316.39
7.4.90.0030.01316.58
7.4.80.0100.01319.39
7.4.70.0070.01016.40
7.4.60.0150.00416.28
7.4.50.0040.00416.25
7.4.40.0000.01222.77
7.4.30.0100.00716.66
7.4.00.0030.01414.65
7.3.330.0030.00313.09
7.3.320.0020.00313.05
7.3.310.0080.00016.07
7.3.300.0030.00316.28
7.3.290.0090.00616.31
7.3.280.0080.01016.18
7.3.270.0100.00717.40
7.3.260.0060.00916.18
7.3.250.0070.01416.25
7.3.240.0120.00616.22
7.3.230.0110.00716.45
7.3.210.0140.00316.25
7.3.200.0030.01316.21
7.3.190.0080.00816.31
7.3.180.0050.01516.35
7.3.170.0040.01116.27
7.3.160.0130.00316.36
7.3.120.0100.00314.75
7.2.330.0100.00716.40
7.2.320.0060.01016.48
7.2.310.0110.00616.72
7.2.300.0100.00616.65
7.2.290.0090.00916.74
7.2.00.0100.00319.17
7.1.100.0040.00818.13
7.1.70.0050.00317.18
7.1.60.0060.01619.33
7.1.50.0100.01316.99
7.1.00.0030.07722.51
7.0.200.0000.01016.80
7.0.140.0000.07322.17
7.0.60.0030.06019.92
7.0.50.0070.07717.81
7.0.40.0030.04720.20
7.0.30.0270.05320.17
7.0.20.0270.06720.33
7.0.10.0070.08320.03
7.0.00.0100.08020.00
5.6.280.0030.07021.02
5.6.210.0000.07720.68
5.6.200.0200.05018.11
5.6.190.0030.09020.48
5.6.180.0100.06320.77
5.6.170.0330.04720.48
5.6.160.0100.04020.71
5.6.150.0200.07018.13
5.6.140.0070.08018.17
5.6.130.0030.04018.21
5.6.120.0100.07021.00
5.6.110.0100.04021.14
5.6.100.0070.06720.97
5.6.90.0070.04020.99
5.6.80.0100.08020.53
5.5.350.0070.07720.32
5.5.340.0070.06017.95
5.5.330.0030.06020.40
5.5.320.0300.06020.24
5.5.310.0430.07020.50
5.5.300.0170.05717.98
5.5.290.0100.05717.91
5.5.280.0100.05020.76
5.5.270.0170.07720.66
5.5.260.0100.03320.75
5.5.250.0070.08320.58
5.5.240.0070.07720.27
5.4.450.0270.07319.40
5.4.440.0270.05319.54
5.4.430.0100.04319.56
5.4.420.0200.04719.13
5.4.410.0300.02719.29
5.4.400.0230.07019.25
5.4.390.0130.05319.13
5.4.380.0200.03718.78
5.4.370.0170.03319.09
5.4.360.0270.04719.24
5.4.350.0270.03019.07
5.4.340.0300.06319.25
5.4.320.0430.04318.81
5.4.310.0330.06718.80
5.4.300.0400.06018.93
5.4.290.0230.04019.13
5.4.280.0140.05012.32
5.4.270.0130.04612.32
5.4.260.0080.05112.32
5.4.250.0080.05212.32
5.4.240.0110.04712.32
5.4.230.0070.05312.31
5.4.220.0070.05112.31
5.4.210.0060.07212.31
5.4.200.0140.04812.31
5.4.190.0120.04812.30
5.4.180.0100.04812.30
5.4.170.0090.05112.32
5.4.160.0100.04612.31
5.4.150.0100.04612.31
5.4.140.0120.05812.00
5.4.130.0060.04611.98
5.4.120.0090.03911.94
5.4.110.0100.04711.93
5.4.100.0090.04511.94
5.4.90.0090.05311.93
5.4.80.0100.04111.93
5.4.70.0080.04911.93
5.4.60.0100.04611.93
5.4.50.0090.04811.93
5.4.40.0090.04911.92
5.4.30.0130.04911.92
5.4.20.0100.05011.92
5.4.10.0040.05211.92
5.4.00.0120.04711.41
5.3.290.4230.04014.52
5.3.280.0090.05012.71
5.3.270.0070.06012.72
5.3.260.0090.05812.72
5.3.250.0100.05812.72
5.3.240.0140.04812.72
5.3.230.0070.05512.71
5.3.220.0100.05012.68
5.3.210.0080.05312.68
5.3.200.0090.05012.68
5.3.190.0100.05012.68
5.3.180.0050.05412.67
5.3.170.0100.05312.67
5.3.160.0070.05712.68
5.3.150.0110.05112.67
5.3.140.0130.04912.66
5.3.130.0060.05712.66
5.3.120.0110.05512.66
5.3.110.0080.05912.65
5.3.100.0080.05512.12
5.3.90.0100.05512.08
5.3.80.0080.05312.08
5.3.70.0040.05612.07
5.3.60.0080.05412.06
5.3.50.0110.05312.00
5.3.40.0110.05012.00
5.3.30.0070.04811.94
5.3.20.0100.04811.70
5.3.10.0060.03711.67
5.3.00.0060.05311.66
5.2.170.0080.0429.15
5.2.160.0080.0409.15
5.2.150.0080.0449.15
5.2.140.0080.0429.14
5.2.130.0100.0419.11
5.2.120.0100.0389.10
5.2.110.0070.0529.12
5.2.100.0090.0379.11
5.2.90.0120.0449.10
5.2.80.0070.0439.11
5.2.70.0050.0509.11
5.2.60.0060.0429.06
5.2.50.0110.0439.04
5.2.40.0030.0519.00
5.2.30.0080.0318.98
5.2.20.0050.0468.97
5.2.10.0090.0348.89
5.2.00.0110.0328.76
5.1.60.0040.0288.05
5.1.50.0070.0378.05
5.1.40.0090.0348.02
5.1.30.0070.0328.38
5.1.20.0050.0448.40
5.1.10.0090.0348.13
5.1.00.0080.0358.13
5.0.50.0070.0266.59
5.0.40.0070.0266.46
5.0.30.0070.0406.27
5.0.20.0090.0246.25
5.0.10.0080.0266.22
5.0.00.0060.0326.21
4.4.90.0010.0214.78
4.4.80.0040.0214.76
4.4.70.0070.0194.76
4.4.60.0030.0224.76
4.4.50.0060.0194.77
4.4.40.0070.0304.71
4.4.30.0060.0184.76
4.4.20.0040.0214.84
4.4.10.0050.0214.85
4.4.00.0080.0294.76
4.3.110.0050.0204.67
4.3.100.0050.0214.66
4.3.90.0050.0214.63
4.3.80.0020.0324.58
4.3.70.0020.0174.63
4.3.60.0050.0194.63
4.3.50.0030.0224.63
4.3.40.0070.0294.54
4.3.30.0040.0143.27
4.3.20.0030.0213.25
4.3.10.0040.0183.22
4.3.00.0070.03713.91

preferences:
62.26 ms | 401 KiB | 5 Q