3v4l.org

run code in 300+ PHP versions simultaneously
<?php $o = new stdClass(); $b = 'a'; $o->a = array ( 'foo' => 1, 'bar' => 2 ); $r = &$o->$b; unset($r['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)
8.3.60.0070.01416.75
8.3.50.0080.00921.87
8.3.40.0110.00418.85
8.3.30.0030.01518.96
8.3.20.0070.00019.98
8.3.10.0000.00723.41
8.3.00.0040.00419.13
8.2.180.0090.00618.29
8.2.170.0120.00322.96
8.2.160.0100.00720.40
8.2.150.0070.00024.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0070.00022.08
8.2.110.0060.00322.22
8.2.100.0090.00318.03
8.2.90.0000.00819.29
8.2.80.0030.00617.97
8.2.70.0000.00917.25
8.2.60.0040.00417.91
8.2.50.0080.00018.07
8.2.40.0000.00819.76
8.2.30.0040.00418.09
8.2.20.0000.00817.55
8.2.10.0040.00417.97
8.2.00.0040.00817.73
8.1.280.0090.00625.92
8.1.270.0000.00823.66
8.1.260.0050.00326.35
8.1.250.0000.00728.09
8.1.240.0000.00922.14
8.1.230.0080.00319.16
8.1.220.0000.00917.74
8.1.210.0040.00418.77
8.1.200.0040.00417.35
8.1.190.0050.00316.98
8.1.180.0060.00318.88
8.1.170.0060.00318.49
8.1.160.0040.00421.98
8.1.150.0000.00718.48
8.1.140.0040.00417.38
8.1.130.0000.00717.86
8.1.120.0070.00017.43
8.1.110.0030.00617.31
8.1.100.0000.00717.37
8.1.90.0070.00017.36
8.1.80.0050.00317.36
8.1.70.0000.00717.43
8.1.60.0060.00317.41
8.1.50.0030.00517.34
8.1.40.0040.00417.36
8.1.30.0040.00417.41
8.1.20.0000.00817.55
8.1.10.0040.00417.52
8.1.00.0030.00617.45
8.0.300.0040.00418.77
8.0.290.0060.00317.05
8.0.280.0000.00718.29
8.0.270.0000.00717.23
8.0.260.0030.00517.19
8.0.250.0070.00016.88
8.0.240.0030.00316.94
8.0.230.0050.00316.84
8.0.220.0000.00716.86
8.0.210.0070.00016.88
8.0.200.0030.00316.74
8.0.190.0040.00416.89
8.0.180.0040.00416.88
8.0.170.0050.00316.84
8.0.160.0000.00716.78
8.0.150.0090.00316.78
8.0.140.0040.00316.78
8.0.130.0000.00713.29
8.0.120.0030.00516.82
8.0.110.0040.00416.72
8.0.100.0000.00716.80
8.0.90.0000.00716.83
8.0.80.0090.00616.81
8.0.70.0000.00816.71
8.0.60.0040.00416.66
8.0.50.0040.00416.77
8.0.30.0080.01117.13
8.0.20.0080.01317.40
8.0.10.0050.00216.96
8.0.00.0100.00816.83
7.4.330.0000.00515.00
7.4.320.0060.00016.61
7.4.300.0000.00716.59
7.4.290.0030.00716.59
7.4.280.0050.00516.38
7.4.270.0030.00316.51
7.4.260.0000.00716.57
7.4.250.0000.00816.59
7.4.240.0030.00316.47
7.4.230.0030.00516.62
7.4.220.0100.00716.51
7.4.210.0050.01116.62
7.4.200.0000.00716.66
7.4.190.0030.00316.68
7.4.160.0130.00616.30
7.4.150.0100.01317.40
7.4.140.0090.00817.86
7.4.130.0110.00916.50
7.4.120.0120.00516.36
7.4.110.0000.01816.46
7.4.100.0100.01016.68
7.4.90.0030.01816.59
7.4.80.0100.00919.39
7.4.70.0050.01016.39
7.4.60.0130.00316.50
7.4.50.0040.00416.32
7.4.40.0170.00016.22
7.4.30.0120.00316.30
7.4.00.0030.01415.00
7.3.330.0070.00013.22
7.3.320.0000.00513.18
7.3.310.0000.00716.26
7.3.300.0070.00016.16
7.3.290.0030.01116.43
7.3.280.0090.00816.36
7.3.270.0060.00917.40
7.3.260.0130.00316.50
7.3.250.0120.00516.28
7.3.240.0090.00916.59
7.3.230.0060.01016.39
7.3.210.0150.00416.61
7.3.200.0040.01919.39
7.3.190.0080.01216.60
7.3.180.0090.01216.20
7.3.170.0150.00016.32
7.3.160.0050.01016.44
7.3.120.0030.00814.67
7.2.330.0130.00416.72
7.2.320.0170.00316.48
7.2.310.0040.01916.37
7.2.300.0110.00616.68
7.2.290.0060.01216.39
7.2.60.0080.00316.84
7.2.00.0000.01719.21
7.1.200.0030.00615.99
7.1.100.0000.01418.05
7.1.70.0030.00617.21
7.1.60.0030.02019.46
7.1.50.0110.01816.96
7.1.00.0000.07722.46
7.0.200.0070.00316.70
7.0.140.0000.07722.09
7.0.60.0130.08319.89
7.0.50.0030.08317.91
7.0.40.0070.05020.24
7.0.30.0200.04720.00
7.0.20.0370.06720.19
7.0.10.0000.04720.00
7.0.00.0030.07320.16
5.6.210.0100.08020.65
5.6.200.0100.04318.11
5.6.190.0030.04320.36
5.6.180.0170.08020.35
5.6.170.0230.04020.48
5.6.160.0070.08720.48
5.6.150.0030.04018.12
5.6.140.0070.08318.13
5.6.130.0070.07018.11
5.6.120.0100.04021.14
5.6.110.0130.08020.99
5.6.100.0100.08721.10
5.6.90.0030.04021.01
5.6.80.0100.05720.35
5.5.350.2670.03320.49
5.5.340.0070.04318.02
5.5.330.0130.07720.36
5.5.320.0230.08020.18
5.5.310.0270.06320.29
5.5.300.0030.08717.91
5.5.290.0030.06317.96
5.5.280.0070.05720.80
5.5.270.0070.07020.86
5.5.260.0330.07320.87
5.5.250.0130.05720.68
5.5.240.0070.06720.20
5.4.450.0270.06719.47
5.4.440.0300.06719.58
5.4.430.0170.05719.23
5.4.420.0170.07319.44
5.4.410.0130.06319.45
5.4.400.0170.07319.28
5.4.390.0270.05318.96
5.4.380.0270.05318.50
5.4.370.0270.05318.72
5.4.360.0300.05318.66
5.4.350.0430.05718.63
5.4.340.0400.05018.68
5.4.320.0090.03612.46
5.4.310.0050.04412.45
5.4.300.0080.03512.45
5.4.290.0120.05312.45
5.4.280.0100.05012.35
5.4.270.0150.04612.35
5.4.260.0080.05112.35
5.4.250.0140.04712.35
5.4.240.0100.05012.35
5.4.230.0160.05612.34
5.4.220.0130.04612.34
5.4.210.0150.04312.34
5.4.200.0160.05212.34
5.4.190.0130.05312.34
5.4.180.0110.05512.34
5.4.170.0100.05512.35
5.4.160.0230.06912.35
5.4.150.0110.03712.34
5.4.140.0050.04712.03
5.4.130.0070.03612.01
5.4.120.0060.04111.97
5.4.110.0040.04211.96
5.4.100.0090.03711.97
5.4.90.0080.03811.97
5.4.80.0100.03711.97
5.4.70.0090.03511.96
5.4.60.0090.04011.96
5.4.50.0090.04611.96
5.4.40.0060.03911.95
5.4.30.0060.04511.95
5.4.20.0090.03811.95
5.4.10.0070.04011.95
5.4.00.0100.10611.44
5.3.290.0030.04312.80
5.3.280.0110.05612.71
5.3.270.0120.06412.72
5.3.260.0090.06812.72
5.3.250.0130.04812.72
5.3.240.0130.05312.71
5.3.230.0120.06112.71
5.3.220.0150.05912.68
5.3.210.0110.05812.68
5.3.200.0120.06012.68
5.3.190.0100.06012.68
5.3.180.0100.05812.68
5.3.170.0100.04912.67
5.3.160.0120.05012.68
5.3.150.0060.05912.68
5.3.140.0070.06612.66
5.3.130.0100.06112.66
5.3.120.0110.05912.66
5.3.110.0110.06112.65
5.3.100.0050.05912.12
5.3.90.0070.05812.09
5.3.80.0130.07412.07
5.3.70.0200.05012.08
5.3.60.0110.05612.07
5.3.50.0090.06012.00
5.3.40.0110.05712.00
5.3.30.0100.06111.95
5.3.20.0120.05711.72
5.3.10.0110.05411.69
5.3.00.0090.05711.68
5.2.170.0090.0489.18
5.2.160.0060.0419.18
5.2.150.0090.0469.18
5.2.140.0080.0479.17
5.2.130.0070.0509.14
5.2.120.0070.0469.13
5.2.110.0060.0429.14
5.2.100.0050.0419.14
5.2.90.0080.0389.14
5.2.80.0090.0389.14
5.2.70.0080.0399.14
5.2.60.0080.0409.09
5.2.50.0050.0439.05
5.2.40.0040.0429.03
5.2.30.0090.0469.00
5.2.20.0110.0349.00
5.2.10.0070.0378.92
5.2.00.0080.0388.77
5.1.60.0060.0318.06
5.1.50.0050.0328.05
5.1.40.0060.0338.04
5.1.30.0060.0368.39
5.1.20.0070.0368.41
5.1.10.0150.0498.14
5.1.00.0070.0438.14
5.0.50.0090.0306.61
5.0.40.0050.0326.47
5.0.30.0120.0416.29
5.0.20.0090.0266.26
5.0.10.0080.0296.24
5.0.00.0050.0516.23
4.4.90.0090.0224.78
4.4.80.0100.0154.75
4.4.70.0060.0194.75
4.4.60.0020.0234.75
4.4.50.0030.0224.77
4.4.40.0040.0314.71
4.4.30.0060.0194.76
4.4.20.0050.0214.85
4.4.10.0080.0184.84
4.4.00.0030.0334.75
4.3.110.0010.0244.67
4.3.100.0020.0234.66
4.3.90.0050.0194.63
4.3.80.0010.0344.59
4.3.70.0040.0194.63
4.3.60.0050.0194.63
4.3.50.0050.0214.63
4.3.40.0060.0354.54
4.3.30.0040.0243.28
4.3.20.0030.0263.26
4.3.10.0000.0373.22
4.3.00.0030.0209.21

preferences:
47.23 ms | 401 KiB | 5 Q