3v4l.org

run code in 300+ PHP versions simultaneously
<?php class foo { private $bar; function remove(){ unset($this->bar); } } $x = new foo; $x->remove(); $x->lol =123;

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)
8.3.60.0070.01116.75
8.3.50.0090.00616.38
8.3.40.0090.00618.85
8.3.30.0120.00318.63
8.3.20.0030.00621.93
8.3.10.0080.00023.61
8.3.00.0040.00423.71
8.2.180.0060.00916.38
8.2.170.0090.00622.96
8.2.160.0100.00320.57
8.2.150.0070.00024.18
8.2.140.0000.00824.66
8.2.130.0060.00320.52
8.2.120.0060.00326.35
8.2.110.0030.00720.57
8.2.100.0080.00317.72
8.2.90.0040.00419.09
8.2.80.0030.00517.97
8.2.70.0030.00617.63
8.2.60.0040.00417.80
8.2.50.0040.00418.10
8.2.40.0000.00820.77
8.2.30.0050.00219.18
8.2.20.0000.00717.84
8.2.10.0040.00417.88
8.2.00.0040.00418.10
8.1.280.0040.01125.92
8.1.270.0080.00022.10
8.1.260.0080.00026.35
8.1.250.0020.00528.09
8.1.240.0140.00422.16
8.1.230.0030.00717.77
8.1.220.0080.00017.79
8.1.210.0040.00418.77
8.1.200.0000.00817.35
8.1.190.0040.00417.18
8.1.180.0000.00818.10
8.1.170.0000.00818.53
8.1.160.0040.00418.89
8.1.150.0080.00018.67
8.1.140.0050.00219.55
8.1.130.0040.00418.86
8.1.120.0040.00317.29
8.1.110.0070.00017.31
8.1.100.0000.00717.44
8.1.90.0040.00417.40
8.1.80.0000.00817.35
8.1.70.0000.00717.43
8.1.60.0000.00817.48
8.1.50.0000.00817.49
8.1.40.0000.00717.58
8.1.30.0030.00517.52
8.1.20.0040.00417.66
8.1.10.0000.00817.41
8.1.00.0040.00417.46
8.0.300.0050.00218.77
8.0.290.0000.00816.75
8.0.280.0000.00718.34
8.0.270.0050.00317.18
8.0.260.0000.00716.75
8.0.250.0070.00016.81
8.0.240.0090.00016.83
8.0.230.0000.01016.89
8.0.220.0040.00416.75
8.0.210.0000.00616.72
8.0.200.0040.00416.82
8.0.190.0070.00016.79
8.0.180.0000.00816.75
8.0.170.0040.00416.81
8.0.160.0040.00416.77
8.0.150.0000.01116.79
8.0.140.0090.00016.73
8.0.130.0030.00313.34
8.0.120.0030.00516.84
8.0.110.0040.00416.87
8.0.100.0040.00416.83
8.0.90.0040.00416.77
8.0.80.0170.00316.88
8.0.70.0040.00416.89
8.0.60.0000.00716.68
8.0.50.0000.00716.78
8.0.30.0070.01117.06
8.0.20.0090.00917.40
8.0.10.0050.00316.98
8.0.00.0090.00916.85
7.4.330.0000.00616.74
7.4.320.0030.00316.36
7.4.300.0030.00316.65
7.4.290.0030.00316.55
7.4.280.0050.00516.51
7.4.270.0000.00816.56
7.4.260.0110.00016.49
7.4.250.0040.00416.44
7.4.240.0000.00716.55
7.4.230.0040.00416.67
7.4.220.0160.00416.46
7.4.210.0110.00416.43
7.4.200.0020.00516.35
7.4.160.0080.01216.48
7.4.150.0030.01417.40
7.4.140.0120.00917.86
7.4.130.0150.00416.54
7.4.120.0130.00816.52
7.4.110.0070.01016.64
7.4.100.0140.01016.53
7.4.90.0150.00316.45
7.4.80.0080.00819.39
7.4.70.0110.01116.58
7.4.60.0080.00816.59
7.4.50.0060.00916.44
7.4.40.0100.00716.58
7.4.30.0040.01316.31
7.4.00.0030.01214.94
7.3.330.0000.00713.16
7.3.320.0030.00313.28
7.3.310.0040.00416.29
7.3.300.0060.00016.32
7.3.290.0070.00816.25
7.3.280.0060.01116.30
7.3.270.0040.01317.40
7.3.260.0170.02216.53
7.3.250.0110.00916.27
7.3.240.0090.01016.43
7.3.230.0160.00016.54
7.3.210.0100.00716.58
7.3.200.0160.00016.28
7.3.190.0070.01016.41
7.3.180.0030.01316.28
7.3.170.0080.01116.33
7.3.160.0080.00816.30
7.3.120.0070.01015.07
7.3.110.0090.00415.08
7.3.100.0090.00614.71
7.3.90.0040.01114.80
7.3.80.0030.01014.67
7.3.70.0030.00714.63
7.3.60.0060.00914.63
7.3.50.0030.01414.82
7.3.40.0060.01214.79
7.3.30.0040.01114.92
7.3.20.0070.00716.64
7.3.10.0100.00316.64
7.3.00.0000.01716.26
7.2.330.0060.01216.77
7.2.320.0030.01316.50
7.2.310.0060.01116.35
7.2.300.0090.00916.54
7.2.290.0140.00316.78
7.2.250.0070.01315.16
7.2.240.0030.01614.86
7.2.230.0040.01515.15
7.2.220.0060.00314.92
7.2.210.0030.01214.91
7.2.200.0070.00715.04
7.2.190.0030.00915.04
7.2.180.0030.01215.19
7.2.170.0030.01014.91
7.2.60.0080.00317.03
7.1.330.0040.01115.74
7.1.320.0030.01015.39
7.1.310.0040.01115.55
7.1.300.0040.00815.34
7.1.290.0110.00715.65
7.1.280.0030.01015.62
7.1.270.0090.00615.63
7.1.260.0060.00615.76
7.1.200.0090.00615.63
7.1.110.0110.00317.86
7.1.100.0140.00717.83
7.1.90.0100.00917.84
7.1.80.0000.01418.09
7.1.70.0110.00317.15
7.1.60.0240.00335.15
7.1.50.0190.00934.66
7.1.40.0190.00934.24
7.1.30.0140.01434.49
7.1.20.0190.00934.45
7.1.10.0090.01716.32
7.1.00.0000.01516.66
7.0.250.0100.00317.55
7.0.240.0120.00817.81
7.0.230.0070.01017.65
7.0.220.0100.00318.03
7.0.210.0030.01016.33
7.0.200.0030.00916.69
7.0.190.0060.00616.57
7.0.180.0000.01616.30
7.0.170.0060.00616.14
7.0.160.0080.00516.12
7.0.150.0090.00616.12
7.0.140.0100.00315.99
7.0.130.0030.01016.59
7.0.120.0030.01016.38
7.0.110.0040.00816.16
7.0.100.0030.01016.16
7.0.90.0000.01116.20
7.0.80.0000.01216.40
7.0.70.0070.00716.16
7.0.60.0090.00416.05
7.0.50.0030.01016.10
7.0.40.0110.00616.37
7.0.30.0090.00616.42
7.0.20.0080.00616.19
7.0.10.0000.01216.23
7.0.00.0060.00616.15

preferences:
65.15 ms | 400 KiB | 5 Q