3v4l.org

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

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)
8.3.60.0140.00716.50
8.3.50.0110.00922.12
8.3.40.0060.01518.77
8.3.30.0040.01118.96
8.3.20.0080.00020.16
8.3.10.0000.00823.52
8.3.00.0020.00520.91
8.2.180.0150.00316.88
8.2.170.0140.00022.96
8.2.160.0070.01020.47
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0120.00020.80
8.2.110.0060.00322.31
8.2.100.0080.00320.60
8.2.90.0000.00719.23
8.2.80.0040.00417.97
8.2.70.0060.00317.50
8.2.60.0030.00717.55
8.2.50.0080.00018.07
8.2.40.0040.00419.95
8.2.30.0030.00718.12
8.2.20.0030.00617.49
8.2.10.0050.00217.95
8.2.00.0040.00417.50
8.1.280.0130.00325.92
8.1.270.0000.00923.79
8.1.260.0000.00726.35
8.1.250.0080.00028.09
8.1.240.0050.00521.95
8.1.230.0030.00719.04
8.1.220.0030.00617.74
8.1.210.0040.00418.77
8.1.200.0060.00317.23
8.1.190.0040.00417.09
8.1.180.0030.00518.10
8.1.170.0030.00618.48
8.1.160.0040.00421.82
8.1.150.0070.00018.58
8.1.140.0050.00217.50
8.1.130.0000.00817.89
8.1.120.0000.00817.32
8.1.110.0000.00717.36
8.1.100.0000.00717.37
8.1.90.0110.00017.38
8.1.80.0080.00017.42
8.1.70.0070.00017.35
8.1.60.0040.00417.62
8.1.50.0040.00417.46
8.1.40.0000.00817.37
8.1.30.0050.00317.57
8.1.20.0040.00417.68
8.1.10.0000.00717.43
8.1.00.0030.00617.36
8.0.300.0040.00418.77
8.0.290.0000.01017.05
8.0.280.0030.00518.39
8.0.270.0050.00317.21
8.0.260.0060.00017.12
8.0.250.0070.00016.91
8.0.240.0000.00716.95
8.0.230.0000.00716.83
8.0.220.0040.00416.78
8.0.210.0070.00016.88
8.0.200.0000.00616.91
8.0.190.0040.00416.90
8.0.180.0000.00716.87
8.0.170.0050.00316.92
8.0.160.0040.00416.76
8.0.150.0030.00516.70
8.0.140.0050.00316.82
8.0.130.0000.00613.24
8.0.120.0040.00416.84
8.0.110.0030.00516.87
8.0.100.0030.00616.82
8.0.90.0000.00716.73
8.0.80.0060.01016.82
8.0.70.0070.00016.65
8.0.60.0040.00416.65
8.0.50.0000.00716.88
8.0.30.0120.00617.20
8.0.20.0080.01117.40
8.0.10.0040.00416.93
8.0.00.0110.01016.65
7.4.330.0050.00015.02
7.4.320.0000.00616.47
7.4.300.0000.00916.49
7.4.290.0000.00716.61
7.4.280.0030.00516.61
7.4.270.0000.00816.66
7.4.260.0060.00316.59
7.4.250.0000.00716.33
7.4.240.0030.00316.46
7.4.230.0000.00716.34
7.4.220.0110.01516.45
7.4.210.0040.01216.61
7.4.200.0000.00816.69
7.4.190.0040.00416.50
7.4.160.0100.00616.44
7.4.150.0110.00817.40
7.4.140.0040.01317.86
7.4.130.0100.00716.56
7.4.120.0060.01016.38
7.4.110.0060.01216.53
7.4.100.0130.00616.44
7.4.90.0100.00716.58
7.4.80.0140.01019.39
7.4.70.0060.01016.63
7.4.60.0080.00816.25
7.4.50.0020.00216.45
7.4.40.0030.01416.59
7.4.30.0120.00616.54
7.4.00.0000.01115.01
7.3.330.0000.00613.07
7.3.320.0000.00513.23
7.3.310.0030.00316.20
7.3.300.0030.00316.27
7.3.290.0070.01116.25
7.3.280.0080.00716.21
7.3.270.0030.01317.40
7.3.260.0110.00716.20
7.3.250.0120.00816.36
7.3.240.0110.01116.28
7.3.230.0070.01016.39
7.3.210.0110.00616.18
7.3.200.0060.01019.39
7.3.190.0070.01016.30
7.3.180.0100.00716.39
7.3.170.0100.00716.31
7.3.160.0110.00516.37
7.3.120.0030.01514.64
7.3.10.0090.00316.63
7.3.00.0070.00416.27
7.2.330.0110.00716.64
7.2.320.0100.00716.63
7.2.310.0090.00916.58
7.2.300.0150.00416.46
7.2.290.0080.00916.46
7.2.130.0030.00916.68
7.2.120.0080.00816.74
7.2.110.0060.00316.75
7.2.100.0030.00716.55
7.2.90.0000.01416.59
7.2.80.0060.00916.33
7.2.70.0030.01216.61
7.2.60.0040.01116.61
7.2.50.0090.00316.88
7.2.40.0070.00717.03
7.2.30.0070.00716.88
7.2.20.0000.01016.89
7.2.10.0000.01216.76
7.2.00.0050.01018.14
7.1.250.0030.00915.46
7.1.100.0070.00318.15
7.1.70.0000.00717.01
7.1.60.0120.00819.70
7.1.50.0090.01216.60
7.1.00.0070.07022.37
7.0.200.0030.00316.54
7.0.140.0070.07021.99
7.0.110.0000.05019.99
7.0.100.0100.07320.01
7.0.90.0100.07019.90
7.0.80.0070.08019.92
7.0.70.0070.03319.84
7.0.60.0030.08320.08
7.0.50.0030.08719.94
7.0.40.0030.08319.59
7.0.30.0100.08319.72
7.0.20.0030.08719.70
7.0.10.0070.04019.84
7.0.00.0070.06019.63
5.6.280.0070.07021.08
5.6.260.0030.07720.63
5.6.250.0070.08020.65
5.6.240.0030.06720.56
5.6.230.0100.07720.56
5.6.220.0070.03320.65
5.6.210.0200.05020.68
5.6.200.0030.05020.66
5.6.190.0100.06020.65
5.6.180.0000.05020.63
5.6.170.0070.03320.56
5.6.160.0100.07720.70
5.6.150.0030.08320.70
5.6.140.0030.08020.55
5.6.130.0000.09020.70
5.6.120.0130.07320.65
5.6.110.0130.08020.55
5.6.100.0030.05020.44
5.6.90.0070.07320.61
5.6.80.0000.07320.10
5.6.70.0030.07019.93
5.6.60.0030.08019.99
5.6.50.0070.04320.00
5.6.40.0030.07320.01
5.6.30.0130.07019.83
5.6.20.0030.08319.92
5.6.10.0130.07319.97
5.6.00.0100.07720.00
5.5.380.0070.08017.59
5.5.370.0030.04717.70
5.5.360.0030.06017.55
5.5.350.0070.07317.61
5.5.340.0100.07318.13
5.5.330.0100.07318.09
5.5.320.0100.07718.05
5.5.310.0100.07317.91
5.5.300.0030.06718.10
5.5.290.0000.09017.93
5.5.280.0070.08017.91
5.5.270.0070.07718.12
5.5.260.0030.05717.91
5.5.250.0100.08318.03
5.5.240.0070.04317.49
5.5.230.0030.08317.48
5.5.220.0070.08017.63
5.5.210.0170.05317.48
5.5.200.0030.07017.27
5.5.190.0070.08017.41
5.5.180.0100.07317.59
5.5.160.0030.06717.18
5.5.150.0070.05317.59
5.5.140.0100.03317.18
5.5.130.0000.04017.47
5.5.120.0030.05017.42
5.5.110.0100.03717.45
5.5.100.0000.04017.33
5.5.90.0030.03717.35
5.5.80.0000.04017.17
5.5.70.0070.03717.32
5.5.60.0070.03717.46
5.5.50.0030.06317.16
5.5.40.0100.06717.49
5.5.30.0030.03717.34
5.5.20.0070.06317.31
5.5.10.0000.04317.46
5.5.00.0100.06317.14
5.4.450.0030.06019.55
5.4.440.0030.07719.55
5.4.430.0070.06719.27
5.4.420.0130.07019.33
5.4.410.0130.07019.19
5.4.400.0070.06719.18
5.4.390.0030.07019.34
5.4.380.0130.06719.16
5.4.370.0030.07719.01
5.4.360.0030.07019.23
5.4.350.0030.05019.17
5.4.340.0030.04719.25
5.4.320.0200.06319.14
5.4.310.0070.05719.23
5.4.300.0030.04019.18
5.4.290.0000.04318.98
5.4.280.0070.03719.33
5.4.270.0000.04719.33
5.4.260.0070.03719.03
5.4.250.0030.03719.18
5.4.240.0000.04019.01
5.4.230.0100.03319.08
5.4.220.0070.03719.17
5.4.210.0070.06719.22
5.4.200.0070.07319.24
5.4.190.0070.07019.02
5.4.180.0070.03719.01
5.4.170.0070.06719.17
5.4.160.0000.03718.98
5.4.150.0030.03719.07
5.4.140.0000.04016.36
5.4.130.0030.03316.50
5.4.120.0030.03316.35
5.4.110.0030.03716.56
5.4.100.0030.03316.57
5.4.90.0030.08016.41
5.4.80.0030.03316.31
5.4.70.0070.03016.43
5.4.60.0100.03016.41
5.4.50.0030.04016.39
5.4.40.0000.03316.59
5.4.30.0070.03016.43
5.4.20.0000.03016.38
5.4.10.0100.02316.54
5.4.00.0030.03315.77
5.3.290.0070.04314.75
5.3.280.0070.03314.59
5.3.270.0100.07014.65
5.3.260.0030.03714.61
5.3.250.0030.03714.69
5.3.240.0030.04314.73
5.3.230.0030.04314.60
5.3.220.0000.04014.54
5.3.210.0000.04014.64
5.3.200.0070.04314.57
5.3.190.0000.04014.52
5.3.180.0000.04014.57
5.3.170.0000.03314.55
5.3.160.0030.04314.69
5.3.150.0070.02714.63
5.3.140.0030.03014.79
5.3.130.0030.03014.54
5.3.120.0000.04014.68
5.3.110.0070.02714.53
5.3.100.0030.03014.27
5.3.90.0000.04014.16
5.3.80.0030.03314.03
5.3.70.0000.03314.10
5.3.60.0030.03314.02
5.3.50.0030.03314.04
5.3.40.0030.03714.17
5.3.30.0000.03714.13
5.3.20.0030.03013.71
5.3.10.0030.02713.79
5.3.00.0000.03713.63
5.2.170.0030.02713.33
5.2.160.0030.02713.33
5.2.150.0000.03013.33
5.2.140.0000.03013.33
5.2.130.0030.02713.33
5.2.120.0000.03013.33
5.2.110.0030.02713.33
5.2.100.0030.02713.33
5.2.90.0000.03313.33
5.2.80.0000.03313.33
5.2.70.0030.03313.33
5.2.60.0030.03313.33
5.2.50.0030.02713.33
5.2.40.0030.04013.33
5.2.30.0000.03013.33
5.2.20.0070.02013.33
5.2.10.0030.03013.33
5.2.00.0070.04313.33
5.1.60.0100.02013.33
5.1.50.0000.02713.33
5.1.40.0030.02013.33
5.1.30.0000.02713.33
5.1.20.0000.05713.33
5.1.10.0030.05313.33
5.1.00.0100.05013.33
5.0.50.0030.01713.33
5.0.40.0070.03713.33
5.0.30.0000.06313.33
5.0.20.0030.04013.33
5.0.10.0000.04013.33
5.0.00.0000.06013.33
4.4.90.0000.01313.33
4.4.80.0030.01313.33
4.4.70.0070.01013.33
4.4.60.0000.03013.33
4.4.50.0070.03013.33
4.4.40.0000.05013.33
4.4.30.0070.03013.33
4.4.20.0030.02013.33
4.4.10.0030.03013.33
4.4.00.0100.02313.33
4.3.110.0000.01713.33
4.3.100.0000.03313.33
4.3.90.0000.03313.33
4.3.80.0000.05713.33
4.3.70.0000.01713.33
4.3.60.0070.02713.33
4.3.50.0030.03313.33
4.3.40.0000.05313.33
4.3.30.0070.03013.33
4.3.20.0000.03713.33
4.3.10.0030.03313.33
4.3.00.0000.03013.33

preferences:
41.93 ms | 401 KiB | 5 Q