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(unserialie(serialize((new b)->setA(new a))));

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)
8.3.60.0110.00416.75
8.3.50.0200.01321.93
8.3.40.0160.00318.71
8.3.30.0150.00018.84
8.3.20.0040.00420.07
8.3.10.0040.00423.54
8.3.00.0000.00819.57
8.2.180.0110.00416.88
8.2.170.0110.00422.96
8.2.160.0070.00720.52
8.2.150.0050.00324.18
8.2.140.0040.01124.66
8.2.130.0030.00619.21
8.2.120.0040.00426.35
8.2.110.0060.00320.98
8.2.100.0080.00417.93
8.2.90.0030.00619.07
8.2.80.0040.00417.97
8.2.70.0030.00617.63
8.2.60.0070.00417.80
8.2.50.0040.00418.07
8.2.40.0050.00322.15
8.2.30.0040.00420.57
8.2.20.0040.00417.63
8.2.10.0070.00017.92
8.2.00.0000.00718.05
8.1.280.0100.00325.92
8.1.270.0140.00720.22
8.1.260.0050.00228.09
8.1.250.0070.00028.09
8.1.240.0040.00722.32
8.1.230.0080.00422.52
8.1.220.0080.00017.74
8.1.210.0040.00418.77
8.1.200.0030.00617.22
8.1.190.0050.00517.23
8.1.180.0040.00418.10
8.1.170.0050.00318.55
8.1.160.0000.00720.69
8.1.150.0050.00318.77
8.1.140.0080.00019.46
8.1.130.0030.00317.58
8.1.120.0030.00517.36
8.1.110.0040.00417.25
8.1.100.0080.00017.23
8.1.90.0040.00417.37
8.1.80.0040.00417.28
8.1.70.0040.00417.22
8.1.60.0090.00317.36
8.1.50.0030.00617.48
8.1.40.0000.00817.44
8.1.30.0050.00317.57
8.1.20.0030.00517.54
8.1.10.0000.00817.40
8.1.00.0070.00017.33
8.0.300.0080.00018.77
8.0.290.0040.00416.59
8.0.280.0000.00718.37
8.0.270.0000.00717.24
8.0.260.0000.00917.07
8.0.250.0000.00616.84
8.0.240.0050.00216.91
8.0.230.0030.00316.94
8.0.220.0000.00816.94
8.0.210.0040.00416.90
8.0.200.0000.00616.84
8.0.190.0060.00316.85
8.0.180.0050.00316.80
8.0.170.0070.00316.80
8.0.160.0040.00316.85
8.0.150.0040.00416.80
8.0.140.0030.00516.83
8.0.130.0030.00313.28
8.0.120.0050.00316.84
8.0.110.0070.00016.92
8.0.100.0000.00716.85
8.0.90.0040.00416.69
8.0.80.0100.01016.90
8.0.70.0040.00416.90
8.0.60.0000.00716.81
8.0.50.0050.00216.95
8.0.30.0140.00616.99
8.0.20.0120.00517.40
8.0.10.0040.00417.00
8.0.00.0080.00916.59
7.4.330.0000.00516.67
7.4.320.0000.00616.48
7.4.300.0060.00016.33
7.4.290.0030.00316.55
7.4.280.0000.00816.56
7.4.270.0070.00016.42
7.4.260.0030.00316.43
7.4.250.0030.00316.39
7.4.240.0020.00516.47
7.4.230.0000.00716.47
7.4.220.0160.00616.55
7.4.210.0000.01516.45
7.4.200.0000.00716.54
7.4.160.0060.00916.53
7.4.150.0150.00317.40
7.4.140.0120.00717.86
7.4.130.0070.01216.52
7.4.120.0070.01016.59
7.4.110.0120.00816.66
7.4.100.0140.01116.53
7.4.90.0060.01116.64
7.4.80.0100.01019.39
7.4.70.0130.00316.59
7.4.60.0070.01116.35
7.4.50.0080.00516.15
7.4.40.0090.00616.61
7.4.30.0130.00316.53
7.4.10.0000.01814.85
7.4.00.0050.01314.90
7.3.330.0000.00613.22
7.3.320.0030.00313.27
7.3.310.0000.00716.17
7.3.300.0030.00316.23
7.3.290.0080.00916.28
7.3.280.0080.00816.31
7.3.270.0060.01217.40
7.3.260.0070.01116.37
7.3.250.0110.00716.26
7.3.240.0070.01016.44
7.3.230.0070.01016.62
7.3.210.0030.01316.46
7.3.200.0100.01016.39
7.3.190.0120.00616.49
7.3.180.0080.00816.47
7.3.170.0120.00616.35
7.3.160.0140.00716.59
7.3.130.0110.00714.77
7.3.120.0090.00314.96
7.3.110.0060.01014.64
7.3.100.0110.00614.83
7.3.90.0100.00714.88
7.3.80.0090.00614.66
7.3.70.0100.00314.88
7.3.60.0000.01214.59
7.3.50.0030.01014.41
7.3.40.0060.01014.88
7.3.30.0030.00914.48
7.3.20.0050.00516.73
7.3.10.0080.00516.53
7.3.00.0070.00416.43
7.2.330.0120.00816.38
7.2.320.0090.00916.61
7.2.310.0090.00916.46
7.2.300.0150.00916.27
7.2.290.0110.01316.71
7.2.260.0100.00715.05
7.2.250.0060.01215.14
7.2.240.0040.01114.78
7.2.230.0100.00314.82
7.2.220.0070.01014.81
7.2.210.0060.00314.76
7.2.200.0070.00714.95
7.2.190.0040.00814.66
7.2.180.0030.01014.83
7.2.170.0070.00714.76
7.2.160.0070.00714.78
7.2.150.0070.01016.89
7.2.140.0000.01816.77
7.2.130.0060.01016.59
7.2.120.0060.00816.73
7.2.110.0070.00816.53
7.2.100.0080.00616.58
7.2.90.0070.00516.63
7.2.80.0100.00516.65
7.2.70.0080.00816.61
7.2.60.0090.00616.64
7.2.50.0050.01016.70
7.2.40.0080.01016.71
7.2.30.0040.01116.70
7.2.20.0070.01116.49
7.2.10.0090.00816.66
7.2.00.0080.00817.25
7.1.330.0030.01315.75
7.1.320.0060.01215.55
7.1.310.0000.01815.63
7.1.300.0030.01015.62
7.1.290.0060.00615.74
7.1.280.0040.01115.36
7.1.270.0130.00315.63
7.1.260.0030.01315.67
7.1.250.0070.00515.57
7.1.240.0050.00815.58
7.1.230.0050.00815.58
7.1.220.0100.00115.63
7.1.210.0070.00715.42
7.1.200.0060.00815.65
7.1.190.0080.00315.53
7.1.180.0060.00615.51
7.1.170.0050.00915.53
7.1.160.0060.00815.61
7.1.150.0030.00915.63
7.1.140.0070.00715.73
7.1.130.0020.01015.67
7.1.120.0050.00715.44
7.1.110.0050.00715.61
7.1.100.0040.00916.36
7.1.90.0040.00915.68
7.1.80.0070.00415.56
7.1.70.0050.00716.10
7.1.60.0070.01016.91
7.1.50.0060.00816.05
7.1.40.0030.01215.55
7.1.30.0040.00615.47
7.1.20.0070.00615.65
7.1.10.0080.00515.59
7.1.00.0050.02817.83
7.0.330.0050.00815.37
7.0.320.0060.00815.18
7.0.310.0030.00715.21
7.0.300.0090.00315.10
7.0.290.0050.00615.19
7.0.280.0070.00715.19
7.0.270.0050.00715.31
7.0.260.0060.00715.06
7.0.250.0040.01115.25
7.0.240.0030.00815.29
7.0.230.0060.00615.27
7.0.220.0090.00515.17
7.0.210.0070.00415.25
7.0.200.0050.00915.11
7.0.190.0000.01215.33
7.0.180.0070.00415.25
7.0.170.0070.00715.30
7.0.160.0040.00915.38
7.0.150.0070.00615.29
7.0.140.0020.01215.22
7.0.130.0040.01015.24
7.0.120.0020.01215.29
7.0.110.0070.00615.28
7.0.100.0030.01015.33
7.0.90.0060.00515.21
7.0.80.0070.00615.35
7.0.70.0050.01015.07
7.0.60.0090.02916.63
7.0.50.0060.01916.05
7.0.40.0080.02615.68
7.0.30.0140.02915.69
7.0.20.0130.02515.52
7.0.10.0070.03415.66
7.0.00.0070.03215.60
5.6.400.0000.00914.53
5.6.390.0000.01214.25
5.6.380.0020.00914.41
5.6.370.0050.00914.24
5.6.360.0050.00814.37
5.6.350.0090.00514.33
5.6.340.0030.01014.03
5.6.330.0060.00614.07
5.6.320.0070.00514.08
5.6.310.0040.00814.20
5.6.300.0070.00514.09
5.6.290.0080.00614.18
5.6.280.0020.01716.36
5.6.270.0080.00514.17
5.6.260.0060.00614.07
5.6.250.0000.01614.06
5.6.240.0050.00714.08
5.6.230.0060.00714.13
5.6.220.0050.00514.10
5.6.210.0060.02516.24
5.6.200.0070.03115.43
5.6.190.0100.02916.22
5.6.180.0120.02616.32
5.6.170.0130.02716.29
5.6.160.0060.01916.32
5.6.150.0040.02115.37
5.6.140.0060.03315.52
5.6.130.0050.02915.66
5.6.120.0080.01916.35
5.6.110.0070.02716.40
5.6.100.0070.02116.38
5.6.90.0030.02016.21
5.6.80.0030.03516.09
5.6.70.0050.00713.90
5.6.60.0000.01113.94
5.6.50.0070.00513.92
5.6.40.0060.00513.97
5.6.30.0070.00613.98
5.6.20.0080.00414.01
5.6.10.0070.00713.90
5.6.00.0050.00714.10
5.5.380.0020.01112.60
5.5.370.0060.00812.49
5.5.360.0100.00512.68
5.5.350.0090.03115.21
5.5.340.0030.03314.32
5.5.330.0130.02514.99
5.5.320.0160.02115.18
5.5.310.0110.03214.89
5.5.300.0040.03214.08
5.5.290.0030.02814.31
5.5.280.0090.02615.18
5.5.270.0020.02715.24
5.5.260.0040.03015.09
5.5.250.0070.02815.21
5.5.240.0120.02715.00
5.5.230.0030.00912.33
5.5.220.0050.00812.30
5.5.210.0040.00712.29
5.5.200.0020.00912.45
5.5.190.0060.00612.33
5.5.180.0030.00812.32
5.5.170.0070.00412.39
5.5.160.0010.00812.25
5.5.150.0030.00612.36
5.5.140.0050.00512.12
5.5.130.0050.00512.50
5.5.120.0040.00712.34
5.5.110.0040.00712.26
5.5.100.0010.00812.26
5.5.90.0020.01012.42
5.5.80.0030.00712.19
5.5.70.0060.00312.18
5.5.60.0080.00412.22
5.5.50.0060.00212.37
5.5.40.0020.00912.00
5.5.30.0060.00312.45
5.5.20.0050.00612.37
5.5.10.0080.00312.34
5.5.00.0040.00412.38

preferences:
57.83 ms | 401 KiB | 5 Q