3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Data { //public $foo = 'bar'; public function wtf() { unset($this->foo); } } $d = new Data; $data->foo = 'bar'; var_dump('foo exists', property_exists($d, 'foo')); $d->wtf(); var_dump('foo exists', property_exists($d, 'foo'));

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)
8.3.70.0040.01116.75
8.3.60.0150.00616.50
8.3.50.0080.01022.12
8.3.40.0090.00618.96
8.3.30.0100.00319.21
8.3.20.0080.00020.33
8.3.10.0000.00823.48
8.3.00.0030.00519.13
8.2.180.0120.00318.54
8.2.170.0120.00922.96
8.2.160.0100.00720.35
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0000.00826.16
8.2.120.0050.00320.71
8.2.110.0030.00622.08
8.2.100.0110.00017.91
8.2.90.0000.00719.05
8.2.80.0050.00317.97
8.2.70.0040.00417.63
8.2.60.0040.00417.91
8.2.50.0000.00818.07
8.2.40.0080.00019.95
8.2.30.0030.00718.07
8.2.20.0000.00717.56
8.2.10.0040.00417.96
8.2.00.0000.00717.56
8.1.280.0140.00325.92
8.1.270.0040.00422.19
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0060.00323.87
8.1.230.0080.00318.98
8.1.220.0030.00517.74
8.1.210.0040.00418.77
8.1.200.0030.00617.47
8.1.190.0050.00317.22
8.1.180.0000.00918.10
8.1.170.0040.00418.46
8.1.160.0050.00221.91
8.1.150.0000.00718.59
8.1.140.0050.00217.34
8.1.130.0040.00417.70
8.1.120.0000.00817.29
8.1.110.0050.00317.28
8.1.100.0050.00317.36
8.1.90.0000.00817.27
8.1.80.0040.00417.28
8.1.70.0070.00017.36
8.1.60.0080.00417.48
8.1.50.0000.00817.47
8.1.40.0000.00817.53
8.1.30.0030.00517.47
8.1.20.0000.00917.57
8.1.10.0040.00417.54
8.1.00.0070.00417.50
8.0.300.0030.00618.77
8.0.290.0000.00717.18
8.0.280.0030.00318.40
8.0.270.0040.00417.19
8.0.260.0050.00217.11
8.0.250.0000.00716.95
8.0.240.0000.00717.01
8.0.230.0080.00016.98
8.0.220.0040.00416.77
8.0.210.0030.00316.80
8.0.200.0030.00316.82
8.0.190.0080.00016.96
8.0.180.0040.00416.85
8.0.170.0070.00016.75
8.0.160.0030.00316.94
8.0.150.0030.00316.88
8.0.140.0090.00016.91
8.0.130.0000.00513.38
8.0.120.0000.00716.77
8.0.110.0080.00016.87
8.0.100.0000.00716.86
8.0.90.0070.00016.87
8.0.80.0060.00916.91
8.0.70.0030.00316.85
8.0.60.0040.00416.91
8.0.50.0040.00416.95
8.0.30.0090.01017.08
8.0.20.0100.00817.40
8.0.10.0000.00816.85
8.0.00.0130.00416.66
7.4.330.0050.00015.00
7.4.320.0060.00016.55
7.4.300.0040.00416.49
7.4.290.0080.00016.60
7.4.280.0050.00316.50
7.4.270.0030.00316.56
7.4.260.0090.00016.58
7.4.250.0000.00716.50
7.4.240.0020.00516.50
7.4.230.0070.00016.34
7.4.220.0120.00616.45
7.4.210.0060.00916.68
7.4.200.0040.00416.61
7.4.190.0070.00016.58
7.4.160.0060.01016.57
7.4.150.0100.01017.40
7.4.140.0090.00817.86
7.4.130.0070.01316.67
7.4.120.0100.00816.51
7.4.110.0140.00716.40
7.4.100.0030.01316.54
7.4.90.0110.00516.32
7.4.80.0210.00319.39
7.4.70.0110.00716.50
7.4.60.0110.00716.59
7.4.50.0000.00716.27
7.4.40.0080.00816.33
7.4.30.0100.01016.74
7.4.00.0100.00714.88
7.3.330.0030.00313.32
7.3.320.0060.00013.32
7.3.310.0050.00316.37
7.3.300.0030.00316.43
7.3.290.0090.00616.44
7.3.280.0070.01016.37
7.3.270.0150.00917.40
7.3.260.0090.00916.34
7.3.250.0130.00916.36
7.3.240.0030.01616.27
7.3.230.0100.00716.57
7.3.210.0130.01016.45
7.3.200.0120.01219.39
7.3.190.0110.00616.61
7.3.180.0060.00916.41
7.3.170.0100.01116.41
7.3.160.0060.01216.57
7.3.120.0040.01414.79
7.3.110.0070.00914.64
7.3.100.0080.00514.86
7.3.90.0070.00714.69
7.3.80.0070.00614.77
7.3.70.0060.00714.79
7.3.60.0040.00914.88
7.3.50.0040.00914.63
7.3.40.0070.00614.79
7.3.30.0050.00714.85
7.3.20.0060.00816.69
7.3.10.0060.00816.58
7.3.00.0060.00816.67
7.2.330.0030.01416.59
7.2.320.0040.01416.34
7.2.310.0100.00716.74
7.2.300.0070.01016.49
7.2.290.0130.00316.61
7.2.250.0060.01315.13
7.2.240.0070.00815.07
7.2.230.0100.00515.02
7.2.220.0060.00814.96
7.2.210.0080.00715.01
7.2.200.0060.01015.08
7.2.190.0050.00814.86
7.2.180.0060.00815.09
7.2.170.0020.00815.00
7.2.160.0030.01015.11
7.2.150.0120.00616.84
7.2.140.0070.00716.87
7.2.130.0070.00816.90
7.2.120.0070.00516.83
7.2.110.0000.01316.89
7.2.100.0020.01116.60
7.2.90.0020.01416.68
7.2.80.0050.01016.78
7.2.70.0030.01316.94
7.2.60.0080.00516.71
7.2.50.0040.00916.86
7.2.40.0050.00816.98
7.2.30.0030.01016.70
7.2.20.0040.00716.91
7.2.10.0070.00616.71
7.2.00.0070.01017.59
7.1.330.0060.00915.75
7.1.320.0050.00915.84
7.1.310.0080.00415.87
7.1.300.0030.00615.60
7.1.290.0010.01015.67
7.1.280.0010.01215.70
7.1.270.0080.00715.74
7.1.260.0020.00915.70
7.1.250.0040.00715.79
7.1.200.0060.00615.77
7.1.100.0080.00617.98
7.1.70.0030.00717.09
7.1.60.0120.00619.70
7.1.50.0160.01616.95
7.1.00.0030.07322.28
7.0.200.0000.00816.79
7.0.140.0000.07322.18
7.0.60.0230.06319.90
7.0.50.0170.07317.95
7.0.40.0030.04720.25
7.0.30.0230.04720.19
7.0.20.0270.05020.08
7.0.10.0100.08320.20
7.0.00.0070.08320.20
5.6.280.0070.07021.14
5.6.210.0070.04720.62
5.6.200.0030.08018.24
5.6.190.0070.05020.35
5.6.180.0370.07020.50
5.6.170.0170.04320.71
5.6.160.0130.07020.61
5.6.150.0030.06718.22
5.6.140.0100.08018.27
5.6.130.0070.07318.25
5.6.120.0000.04321.08
5.6.110.0100.08020.98
5.6.100.0070.08020.97
5.6.90.0030.05320.97
5.6.80.0230.07020.51
5.5.350.0230.07320.40
5.5.340.0100.08017.98
5.5.330.0030.04020.31
5.5.320.0400.07720.25
5.5.310.0370.06720.50
5.5.300.0130.07718.08
5.5.290.0070.08317.96
5.5.280.0030.04020.80
5.5.270.0030.04320.79
5.5.260.0100.07020.87
5.5.250.0230.07020.59
5.5.240.0300.06720.27
5.4.450.0270.04026.08
5.4.440.0230.04725.32
5.4.430.0130.04726.12
5.4.420.0100.05326.12
5.4.410.0330.04326.11
5.4.400.0230.04726.09
5.4.390.0370.05726.08
5.4.380.0900.04718.57
5.4.370.0700.05018.45
5.4.360.0730.06018.79
5.4.350.0830.05318.79
5.4.340.0900.05018.80
5.4.320.0050.04512.50
5.4.310.0020.04112.50
5.4.300.0100.05212.50
5.4.290.0110.05312.50
5.4.280.0120.06112.40
5.4.270.0130.04812.39
5.4.260.0110.05012.40
5.4.250.0090.05612.39
5.4.240.0070.05012.39
5.4.230.0080.05212.39
5.4.220.0070.05712.39
5.4.210.0080.05312.39
5.4.200.0080.05612.38
5.4.190.0100.04912.39
5.4.180.0100.04812.38
5.4.170.0090.04812.39
5.4.160.0070.04912.39
5.4.150.0070.05012.39
5.4.140.0070.05412.07
5.4.130.0090.04812.06
5.4.120.0110.04912.02
5.4.110.0070.05212.02
5.4.100.0080.04812.01
5.4.90.0140.04712.01
5.4.80.0100.05112.01
5.4.70.0080.03412.01
5.4.60.0070.05012.01
5.4.50.0090.05012.01
5.4.40.0110.04812.00
5.4.30.0070.05111.99
5.4.20.0080.05211.99
5.4.10.0180.04112.00
5.4.00.0080.05211.48
5.3.290.0100.03612.80
5.3.280.0090.05112.71
5.3.270.0050.04412.72
5.3.260.0070.04512.72
5.3.250.0090.04512.72
5.3.240.0060.03912.71
5.3.230.0110.03412.71
5.3.220.0070.03712.68
5.3.210.0050.04112.68
5.3.200.0070.03712.68
5.3.190.0050.03912.68
5.3.180.0060.03912.67
5.3.170.0050.05512.67
5.3.160.0050.03812.67
5.3.150.0080.03512.68
5.3.140.0040.04012.66
5.3.130.0060.03812.66
5.3.120.0080.03612.66
5.3.110.0080.03612.66
5.3.100.0040.04012.12
5.3.90.0050.03712.10
5.3.80.0090.03412.09
5.3.70.0080.04112.09
5.3.60.0030.04012.07
5.3.50.0040.03812.02
5.3.40.0090.03412.03
5.3.30.0030.03811.98
5.3.20.0050.03611.76
5.3.10.0030.03711.72
5.3.00.0030.03911.71
5.2.170.0030.0329.22
5.2.160.0040.0319.22
5.2.150.0040.0329.22
5.2.140.0040.0319.21
5.2.130.0020.0339.18
5.2.120.0070.0289.18
5.2.110.0050.0309.18
5.2.100.0070.0279.18
5.2.90.0080.0269.18
5.2.80.0070.0299.18
5.2.70.0070.0339.17
5.2.60.0030.0459.13
5.2.50.0020.0349.10
5.2.40.0080.0299.07
5.2.30.0050.0319.05
5.2.20.0050.0299.03
5.2.10.0060.0298.94
5.2.00.0040.0308.80
5.1.60.0030.0258.09
5.1.50.0040.0248.09
5.1.40.0060.0248.07
5.1.30.0040.0298.41
5.1.20.0040.0288.44
5.1.10.0040.0298.16
5.1.00.0040.0318.16
5.0.50.0040.0246.64
5.0.40.0050.0226.50
5.0.30.0030.0356.31
5.0.20.0060.0176.28
5.0.10.0030.0206.26
5.0.00.0050.0286.25
4.4.90.0020.0194.78
4.4.80.0050.0134.76
4.4.70.0050.0154.75
4.4.60.0030.0164.75
4.4.50.0050.0194.77
4.4.40.0030.0304.71
4.4.30.0030.0174.75
4.4.20.0030.0234.84
4.4.10.0050.0214.85
4.4.00.0010.0354.76
4.3.110.0050.0234.67
4.3.100.0050.0214.66
4.3.90.0030.0234.63
4.3.80.0070.0314.58
4.3.70.0080.0194.63
4.3.60.0070.0194.63
4.3.50.0040.0234.63
4.3.40.0070.0314.54
4.3.30.0020.0223.30
4.3.20.0050.0203.28
4.3.10.0020.0173.24
4.3.00.0100.01726.08

preferences:
49.94 ms | 401 KiB | 5 Q