3v4l.org

run code in 300+ PHP versions simultaneously
<?php $o = new stdClass(); $b = 'a'; $o->a = array ( 'foo' => 1, 'bar' => 2 ); unset(($o->$b)['foo']); var_dump($o);

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)
8.3.70.0110.00416.75
8.3.60.0110.00716.63
8.3.50.0080.01021.97
8.3.40.0140.00418.97
8.3.30.0100.00319.08
8.3.20.0040.00420.39
8.3.10.0000.00823.51
8.3.00.0000.00819.26
8.2.180.0120.00318.29
8.2.170.0090.00622.96
8.2.160.0130.00020.43
8.2.150.0080.00024.18
8.2.140.0060.00324.66
8.2.130.0070.00026.16
8.2.120.0040.00422.26
8.2.110.0090.00022.14
8.2.100.0090.00618.09
8.2.90.0080.00019.34
8.2.80.0000.00817.97
8.2.70.0090.00017.63
8.2.60.0000.00817.89
8.2.50.0040.00418.07
8.2.40.0030.00519.75
8.2.30.0000.00717.93
8.2.20.0040.00417.74
8.2.10.0000.00718.15
8.2.00.0060.00317.58
8.1.280.0060.00825.92
8.1.270.0080.00023.92
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0050.00523.84
8.1.230.0030.00918.98
8.1.220.0050.00317.76
8.1.210.0080.00018.77
8.1.200.0000.00917.35
8.1.190.0040.00417.00
8.1.180.0000.01019.01
8.1.170.0030.00518.57
8.1.160.0040.00421.93
8.1.150.0000.00718.53
8.1.140.0000.00717.38
8.1.130.0030.00317.88
8.1.120.0000.00817.41
8.1.110.0030.00617.28
8.1.100.0030.00317.37
8.1.90.0060.00317.37
8.1.80.0030.00517.29
8.1.70.0000.00717.27
8.1.60.0090.00017.54
8.1.50.0000.00717.34
8.1.40.0000.00717.34
8.1.30.0040.00417.53
8.1.20.0060.00317.58
8.1.10.0070.00017.39
8.1.00.0050.00217.45
8.0.300.0070.00018.77
8.0.290.0050.00317.05
8.0.280.0070.00018.39
8.0.270.0030.00317.18
8.0.260.0000.00617.19
8.0.250.0040.00416.90
8.0.240.0000.00816.81
8.0.230.0000.00816.87
8.0.220.0030.00316.87
8.0.210.0000.00716.82
8.0.200.0030.00316.93
8.0.190.0070.00016.79
8.0.180.0040.00416.73
8.0.170.0030.00516.88
8.0.160.0070.00016.64
8.0.150.0040.00416.79
8.0.140.0070.00316.75
8.0.130.0030.00313.29
8.0.120.0030.00516.64
8.0.110.0000.00716.68
8.0.100.0000.00816.84
8.0.90.0040.00416.80
8.0.80.0090.01416.76
8.0.70.0070.00016.71
8.0.60.0070.00016.71
8.0.50.0040.00416.70
8.0.30.0150.00416.99
8.0.20.0110.00717.40
8.0.10.0000.00716.82
8.0.00.0080.01316.85
7.4.330.0050.00015.00
7.4.320.0000.00716.43
7.4.300.0030.00316.50
7.4.290.0070.00016.50
7.4.280.0080.00016.54
7.4.270.0070.00016.60
7.4.260.0070.00016.59
7.4.250.0000.00816.41
7.4.240.0070.00016.50
7.4.230.0000.00716.68
7.4.220.0100.00716.54
7.4.210.0050.01016.52
7.4.200.0030.00616.69
7.4.190.0030.00316.39
7.4.160.0120.00416.63
7.4.150.0060.01517.40
7.4.140.0110.00717.86
7.4.130.0100.00816.44
7.4.120.0060.01216.39
7.4.110.0150.00316.29
7.4.100.0120.00616.50
7.4.90.0110.00716.45
7.4.80.0070.01319.39
7.4.70.0100.00716.56
7.4.60.0130.00616.36
7.4.50.0050.00316.27
7.4.40.0100.00616.20
7.4.30.0060.01016.50
7.4.00.0060.00815.17
7.3.330.0030.00313.10
7.3.320.0050.00013.05
7.3.310.0000.00816.30
7.3.300.0050.00316.21
7.3.290.0100.00616.30
7.3.280.0060.01116.27
7.3.270.0100.00717.40
7.3.260.0130.00316.57
7.3.250.0060.01116.41
7.3.240.0070.01016.34
7.3.230.0210.00416.39
7.3.210.0160.00716.36
7.3.200.0140.01019.39
7.3.190.0100.00716.22
7.3.180.0060.00916.29
7.3.170.0040.01116.47
7.3.160.0070.01016.63
7.3.120.0040.00814.93
7.3.10.0070.00716.41
7.3.00.0120.00415.88
7.2.330.0100.00716.63
7.2.320.0080.01116.54
7.2.310.0110.00816.29
7.2.300.0120.00916.56
7.2.290.0100.01316.67
7.2.130.0120.00316.79
7.2.120.0070.00716.68
7.2.110.0130.00316.51
7.2.100.0080.00616.25
7.2.90.0070.00716.52
7.2.80.0060.00616.31
7.2.70.0110.00716.43
7.2.60.0100.00516.80
7.2.50.0160.00616.44
7.2.40.0100.00716.45
7.2.30.0100.01216.43
7.2.20.0140.01016.49
7.2.10.0140.00616.46
7.2.00.0100.00617.99
7.1.250.0130.00015.71
7.1.200.0120.00015.96
7.1.100.0040.00718.19
7.1.70.0040.00717.09
7.1.60.0070.01719.46
7.1.50.0110.01416.90
7.1.00.0000.08022.45
7.0.200.0040.01116.78
7.0.140.0000.07722.18
7.0.60.0070.08020.08
7.0.50.0130.07017.85
7.0.40.0030.09020.30
7.0.30.0530.05320.30
7.0.20.0200.07020.09
7.0.10.0070.08720.33
7.0.00.0030.04020.01
5.6.280.0030.07321.11
5.6.210.0170.07320.70
5.6.200.0100.03718.16
5.6.190.0070.05720.55
5.6.180.0600.05320.55
5.6.170.0230.07720.55
5.6.160.0030.07020.46
5.6.150.0070.03318.18
5.6.140.0070.08318.13
5.6.130.0100.08018.20
5.6.120.0100.06020.95
5.6.110.0100.07320.89
5.6.100.0030.08721.02
5.6.90.0170.03021.10
5.6.80.0030.06720.54
5.5.350.0030.05320.46
5.5.340.0130.07017.99
5.5.330.0100.06320.57
5.5.320.2330.03720.26
5.5.310.0300.07320.30
5.5.300.0070.07717.98
5.5.290.0030.07317.91
5.5.280.0030.04020.65
5.5.270.0130.08020.63
5.5.260.0000.04320.86
5.5.250.0030.06020.50
5.5.240.0200.06320.18
5.4.450.0200.08019.59
5.4.440.0230.05719.55
5.4.430.0170.07019.55
5.4.420.0230.05719.72
5.4.410.0200.05719.17
5.4.400.0230.05719.29
5.4.390.0200.05019.22
5.4.380.0270.05318.53
5.4.370.0300.05018.46
5.4.360.0370.05318.70
5.4.350.0330.05018.57
5.4.340.0270.05318.56
5.4.320.0080.03612.50
5.4.310.0090.03612.49
5.4.300.0120.04912.50
5.4.290.0100.05412.50
5.4.280.0120.04812.39
5.4.270.0100.05512.39
5.4.260.0090.04212.39
5.4.250.0080.04012.39
5.4.240.0040.04612.39
5.4.230.0070.04212.38
5.4.220.0110.06112.39
5.4.210.0100.05712.39
5.4.200.0100.05812.38
5.4.190.0150.05112.38
5.4.180.0090.06212.38
5.4.170.0060.06412.39
5.4.160.0100.06012.38
5.4.150.0120.05912.38
5.4.140.0090.04912.07
5.4.130.0070.07312.05
5.4.120.0140.04912.02
5.4.110.0090.04912.02
5.4.100.0110.04712.02
5.4.90.0140.04912.02
5.4.80.0120.04812.02
5.4.70.0140.06312.01
5.4.60.0380.12312.01
5.4.50.0100.04412.01
5.4.40.0140.05012.00
5.4.30.0100.05212.00
5.4.20.0100.06511.99
5.4.10.0120.07912.00
5.4.00.0110.05211.49
5.3.290.0090.05212.80
5.3.280.0100.04412.71
5.3.270.0140.04912.72
5.3.260.0130.04912.72
5.3.250.0100.04612.72
5.3.240.0100.05612.72
5.3.230.0070.04212.71
5.3.220.0080.03812.68
5.3.210.0090.03812.68
5.3.200.0070.05612.68
5.3.190.0060.04312.68
5.3.180.0070.04112.67
5.3.170.0120.03212.67
5.3.160.0080.03612.67
5.3.150.0060.03812.67
5.3.140.0060.03812.66
5.3.130.0090.03812.66
5.3.120.0120.05912.66
5.3.110.0100.04712.66
5.3.100.0110.03912.12
5.3.90.0090.04512.09
5.3.80.0090.05312.07
5.3.70.0140.04712.07
5.3.60.0080.05612.07
5.3.50.0090.04812.00
5.3.40.0140.05612.00
5.3.30.0120.04611.95
5.3.20.0090.05011.72
5.3.10.0150.04511.70
5.3.00.0100.05211.69
5.2.170.0040.0449.18
5.2.160.0090.0499.18
5.2.150.0050.0479.18
5.2.140.0060.0459.18
5.2.130.0050.0379.14
5.2.120.0080.0349.14
5.2.110.0090.0379.14
5.2.100.0080.0389.14
5.2.90.0080.0379.14
5.2.80.0110.0559.13
5.2.70.0070.0399.14
5.2.60.0070.0439.09
5.2.50.0040.0459.06
5.2.40.0160.0299.04
5.2.30.0080.0399.02
5.2.20.0070.0409.00
5.2.10.0120.0338.93
5.2.00.0100.0378.78
5.1.60.0030.0358.07
5.1.50.0050.0338.07
5.1.40.0070.0328.05
5.1.30.0050.0378.40
5.1.20.0080.0358.42
5.1.10.0070.0338.14
5.1.00.0090.0328.14
5.0.50.0110.0206.62
5.0.40.0090.0326.48
5.0.30.0080.0366.29
5.0.20.0040.0246.27
5.0.10.0040.0256.24
5.0.00.0060.0306.23
4.4.90.0040.0194.78
4.4.80.0020.0264.75
4.4.70.0070.0204.75
4.4.60.0070.0174.75
4.4.50.0030.0244.77
4.4.40.0050.0314.71
4.4.30.0040.0184.75
4.4.20.0060.0174.84
4.4.10.0040.0164.85
4.4.00.0030.0284.76
4.3.110.0020.0224.67
4.3.100.0020.0224.66
4.3.90.0040.0194.63
4.3.80.0030.0314.58
4.3.70.0070.0204.63
4.3.60.0070.0124.63
4.3.50.0030.0174.62
4.3.40.0000.0284.54
4.3.30.0050.0143.29
4.3.20.0020.0173.27
4.3.10.0020.0173.23
4.3.00.0030.0209.23

preferences:
45.72 ms | 401 KiB | 5 Q