3v4l.org

run code in 300+ PHP versions simultaneously
<?php class a { protected $a = 10; protected $c;} class b { protected $b; public function setA($a){$this->b = $a;return $this;}} var_dump(unserialize(serialize((new b)->setA(new a), true)));

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)
8.3.60.0060.00916.71
8.3.50.0140.00822.17
8.3.40.0120.00318.57
8.3.30.0070.00719.02
8.3.20.0000.00720.17
8.3.10.0080.00023.68
8.3.00.0040.00419.68
8.2.180.0070.00716.50
8.2.170.0100.01022.96
8.2.160.0140.00020.38
8.2.150.0080.00024.18
8.2.140.0000.00824.66
8.2.130.0030.00719.32
8.2.120.0050.00326.35
8.2.110.0030.00622.11
8.2.100.0040.00817.91
8.2.90.0000.00819.25
8.2.80.0090.00017.97
8.2.70.0090.00017.50
8.2.60.0040.00417.80
8.2.50.0050.00318.07
8.2.40.0000.00822.23
8.2.30.0070.00020.50
8.2.20.0040.00417.67
8.2.10.0000.00717.89
8.2.00.0040.00417.87
8.1.280.0110.00425.92
8.1.270.0110.00420.33
8.1.260.0060.00328.09
8.1.250.0070.00028.09
8.1.240.0030.00623.98
8.1.230.0060.00619.22
8.1.220.0040.00417.74
8.1.210.0090.00318.77
8.1.200.0060.00317.23
8.1.190.0040.00417.10
8.1.180.0030.00518.10
8.1.170.0060.00318.64
8.1.160.0000.00820.56
8.1.150.0080.00018.68
8.1.140.0040.00419.46
8.1.130.0070.00017.45
8.1.120.0000.00717.25
8.1.110.0000.00717.24
8.1.100.0040.00417.39
8.1.90.0000.00717.42
8.1.80.0040.00417.41
8.1.70.0000.01117.30
8.1.60.0090.00017.59
8.1.50.0030.00617.57
8.1.40.0000.00917.56
8.1.30.0040.00417.63
8.1.20.0030.00617.60
8.1.10.0040.00417.54
8.1.00.0020.00517.61
8.0.300.0040.00418.77
8.0.290.0070.00016.75
8.0.280.0030.00318.38
8.0.270.0030.00517.11
8.0.260.0030.00617.25
8.0.250.0040.00416.95
8.0.240.0080.00016.83
8.0.230.0000.00716.89
8.0.220.0000.00716.84
8.0.210.0040.00416.86
8.0.200.0000.00616.85
8.0.190.0000.00816.98
8.0.180.0000.00816.95
8.0.170.0030.00616.98
8.0.160.0040.00316.95
8.0.150.0050.00216.83
8.0.140.0040.00416.73
8.0.130.0000.00513.38
8.0.120.0000.00816.78
8.0.110.0000.00816.98
8.0.100.0040.00416.87
8.0.90.0050.00216.79
8.0.80.0030.01316.82
8.0.70.0000.00716.93
8.0.60.0030.00416.90
8.0.50.0040.00416.75
8.0.30.0100.00817.07
8.0.20.0120.00617.40
8.0.10.0040.00416.87
8.0.00.0060.01316.78
7.4.330.0020.00216.83
7.4.320.0030.00316.38
7.4.300.0000.00716.43
7.4.290.0030.00316.44
7.4.280.0040.00416.52
7.4.270.0060.00016.38
7.4.260.0000.00716.45
7.4.250.0050.00216.48
7.4.240.0020.00616.36
7.4.230.0030.00316.45
7.4.220.0100.00716.48
7.4.210.0140.00516.41
7.4.200.0000.00816.64
7.4.160.0120.00416.40
7.4.150.0120.00617.40
7.4.140.0050.01417.86
7.4.130.0100.00616.42
7.4.120.0150.00216.49
7.4.110.0150.00316.59
7.4.100.0030.01516.52
7.4.90.0040.01416.46
7.4.80.0070.01119.39
7.4.70.0100.00716.28
7.4.60.0030.01316.32
7.4.50.0000.01416.18
7.4.40.0070.01116.44
7.4.30.0060.01016.59
7.4.10.0130.00616.28
7.4.00.0080.00815.66
7.3.330.0000.00713.34
7.3.320.0050.00013.36
7.3.310.0040.00416.34
7.3.300.0000.00716.23
7.3.290.0070.01016.29
7.3.280.0060.01116.33
7.3.270.0070.01017.40
7.3.260.0150.00316.46
7.3.250.0120.00716.50
7.3.240.0090.01216.35
7.3.230.0120.00916.40
7.3.210.0030.01316.52
7.3.200.0120.00916.49
7.3.190.0070.01016.29
7.3.180.0060.00916.26
7.3.170.0110.00516.32
7.3.160.0080.01116.31
7.3.130.0030.01516.38
7.3.120.0030.01016.22
7.3.110.0100.00616.33
7.3.100.0000.01516.11
7.3.90.0070.01016.26
7.3.80.0100.00316.50
7.3.70.0070.00316.27
7.3.60.0070.00716.24
7.3.50.0070.00316.09
7.3.40.0030.01016.26
7.3.30.0000.01216.21
7.3.20.0000.01418.15
7.3.10.0070.00517.37
7.3.00.0110.00417.07
7.2.330.0080.00916.44
7.2.320.0130.01016.77
7.2.310.0120.00616.60
7.2.300.0060.01616.67
7.2.290.0110.00716.50
7.2.260.0090.00616.59
7.2.250.0060.01016.59
7.2.240.0040.01116.34
7.2.230.0040.01116.25
7.2.220.0070.00316.27
7.2.210.0000.01916.57
7.2.200.0070.01116.56
7.2.190.0030.01016.55
7.2.180.0090.00616.35
7.2.170.0100.00316.51
7.2.160.0060.00316.50
7.2.150.0050.00518.32
7.2.140.0030.01018.28
7.2.130.0080.00817.38
7.2.120.0100.00617.31
7.2.110.0100.00317.33
7.2.100.0110.00417.40
7.2.90.0070.00717.40
7.2.80.0050.00717.22
7.2.70.0020.01217.34
7.2.60.0080.00817.36
7.2.50.0060.00917.35
7.2.40.0070.00617.22
7.2.30.0110.00417.29
7.2.20.0070.00717.29
7.2.10.0060.00817.33
7.2.00.0070.00817.36
7.1.330.0040.01117.48
7.1.320.0030.01317.10
7.1.310.0030.01317.23
7.1.300.0000.00917.50
7.1.290.0060.00917.43
7.1.280.0110.00417.39
7.1.270.0080.00417.32
7.1.260.0030.01017.33
7.1.250.0070.00516.32
7.1.240.0040.00816.29
7.1.230.0120.00216.56
7.1.220.0120.00516.56
7.1.210.0070.00716.52
7.1.200.0080.00816.39
7.1.190.0060.01316.44
7.1.180.0080.00816.38
7.1.170.0110.00616.38
7.1.160.0060.00916.52
7.1.150.0040.00816.50
7.1.140.0050.01216.34
7.1.130.0050.00716.40
7.1.120.0050.00916.47
7.1.110.0090.00416.57
7.1.100.0080.00516.90
7.1.90.0060.00816.46
7.1.80.0080.00516.39
7.1.70.0060.00516.51
7.1.60.0120.00617.57
7.1.50.0090.00916.71
7.1.40.0050.01116.37
7.1.30.0060.01016.44
7.1.20.0070.00916.37
7.1.10.0070.00816.29
7.1.00.0060.03018.53
7.0.330.0100.00316.02
7.0.320.0100.00516.14
7.0.310.0070.00716.04
7.0.300.0100.00716.07
7.0.290.0080.00716.03
7.0.280.0050.00916.13
7.0.270.0050.01016.14
7.0.260.0100.00516.07
7.0.250.0080.00716.10
7.0.240.0110.00516.20
7.0.230.0050.00816.16
7.0.220.0080.00516.13
7.0.210.0060.01116.22
7.0.200.0130.00215.72
7.0.190.0030.01016.19
7.0.180.0080.00516.11
7.0.170.0040.01016.10
7.0.160.0050.01016.16
7.0.150.0100.00616.12
7.0.140.0070.00815.96
7.0.130.0060.00816.12
7.0.120.0080.00616.20
7.0.110.0070.00516.11
7.0.100.0050.01116.13
7.0.90.0050.00516.16
7.0.80.0060.00816.18
7.0.70.0090.00616.08
7.0.60.0060.03117.31
7.0.50.0060.02916.71
7.0.40.0020.02516.06
7.0.30.0150.03316.08
7.0.20.0100.03216.06
7.0.10.0090.02616.05
7.0.00.0070.03416.19
5.6.400.0070.01015.87
5.6.390.0070.00715.71
5.6.380.0080.00815.04
5.6.370.0060.00815.08
5.6.360.0080.00514.85
5.6.350.0080.00615.10
5.6.340.0060.01215.03
5.6.330.0080.00614.96
5.6.320.0100.00415.08
5.6.310.0090.00414.98
5.6.300.0080.00514.85
5.6.290.0080.00614.98
5.6.280.0030.01616.92
5.6.270.0040.00915.11
5.6.260.0080.00714.76
5.6.250.0050.01315.04
5.6.240.0110.00714.92
5.6.230.0070.00715.24
5.6.220.0060.00514.83
5.6.210.0020.01916.72
5.6.200.0100.03016.05
5.6.190.0070.03516.87
5.6.180.0190.02116.81
5.6.170.0170.03416.80
5.6.160.0070.02516.90
5.6.150.0090.02416.13
5.6.140.0090.03116.10
5.6.130.0110.03016.01
5.6.120.0020.02416.92
5.6.110.0080.03716.78
5.6.100.0070.03416.98
5.6.90.0040.01917.08
5.6.80.0050.02616.74
5.6.70.0070.00814.76
5.6.60.0030.01214.84
5.6.50.0040.00715.04
5.6.40.0050.00614.90
5.6.30.0080.00514.89
5.6.20.0080.00214.91
5.6.10.0090.00414.91
5.6.00.0030.01014.97
5.5.380.0040.00913.41
5.5.370.0020.00813.50
5.5.360.0060.00813.27
5.5.350.0110.03015.70
5.5.340.0060.02214.90
5.5.330.0100.02215.79
5.5.320.0170.03015.61
5.5.310.0120.02815.77
5.5.300.0080.02014.84
5.5.290.0070.03014.83
5.5.280.0010.02415.87
5.5.270.0050.03315.69
5.5.260.0040.02415.93
5.5.250.0040.03315.77
5.5.240.0090.01615.63
5.5.230.0060.00613.34
5.5.220.0060.00313.45
5.5.210.0100.00513.35
5.5.200.0050.00513.43
5.5.190.0010.00813.36
5.5.180.0040.00713.29
5.5.170.0060.00513.35
5.5.160.0030.01013.30
5.5.150.0030.00812.97
5.5.140.0040.00813.21
5.5.130.0070.00513.25
5.5.120.0100.00213.29
5.5.110.0030.00813.40
5.5.100.0050.00813.23
5.5.90.0050.00713.26
5.5.80.0020.00813.17
5.5.70.0030.00913.29
5.5.60.0110.00313.32
5.5.50.0050.00813.14
5.5.40.0070.00813.24
5.5.30.0050.01013.22
5.5.20.0080.00613.33
5.5.10.0070.00713.31
5.5.00.0050.00813.25

preferences:
66.39 ms | 401 KiB | 5 Q