3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { private static $_registry; private function __construct() {} public static function getInstance() { if(null === self::$_registry) { self::$_registry = new self; } return self::$_registry; } } var_dump(A::getInstance());

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)
8.3.40.0060.00918.74
8.3.30.0040.01120.34
8.3.20.0080.00620.39
8.3.10.0040.00421.95
8.3.00.0070.00022.54
8.2.170.0040.01122.96
8.2.160.0040.01122.20
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0080.00026.16
8.2.120.0000.00820.66
8.2.110.0060.00322.22
8.2.100.0090.00317.78
8.2.90.0080.00019.05
8.2.80.0040.00419.09
8.2.70.0000.00817.50
8.2.60.0050.00317.93
8.2.50.0000.00818.07
8.2.40.0050.00319.95
8.2.30.0040.00419.31
8.2.20.0040.00417.54
8.2.10.0040.00417.63
8.2.00.0080.00017.52
8.1.270.0040.00423.99
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0040.00423.92
8.1.230.0080.00419.04
8.1.220.0000.00917.74
8.1.210.0000.00918.77
8.1.200.0060.00317.35
8.1.190.0000.00817.53
8.1.180.0040.00418.10
8.1.170.0040.00418.68
8.1.160.0020.00518.75
8.1.150.0000.00818.63
8.1.140.0040.00417.39
8.1.130.0030.00317.82
8.1.120.0000.00817.33
8.1.110.0020.00517.39
8.1.100.0040.00417.36
8.1.90.0020.00517.40
8.1.80.0070.00017.38
8.1.70.0030.00517.38
8.1.60.0030.00617.48
8.1.50.0050.00217.52
8.1.40.0040.00417.42
8.1.30.0040.00417.46
8.1.20.0050.00317.55
8.1.10.0040.00417.56
8.1.00.0030.00617.56
8.0.300.0040.00418.77
8.0.290.0040.00416.93
8.0.280.0030.00318.29
8.0.270.0030.00317.06
8.0.260.0060.00016.72
8.0.250.0000.00716.77
8.0.240.0070.00016.86
8.0.230.0070.00016.75
8.0.220.0070.00016.70
8.0.210.0030.00316.76
8.0.200.0030.00316.93
8.0.190.0030.00616.86
8.0.180.0020.00516.75
8.0.170.0020.00516.75
8.0.160.0000.00716.74
8.0.150.0030.00316.85
8.0.140.0040.00416.71
8.0.130.0000.00513.32
8.0.120.0040.00416.88
8.0.110.0030.00316.84
8.0.100.0040.00416.87
8.0.90.0050.00216.69
8.0.80.0090.00916.89
8.0.70.0000.00716.83
8.0.60.0070.00316.82
8.0.50.0040.00416.85
8.0.30.0080.01016.94
8.0.20.0110.01117.40
8.0.10.0000.00717.02
8.0.00.0150.00416.72
7.4.330.0020.00515.00
7.4.320.0030.00316.53
7.4.300.0000.00716.52
7.4.290.0070.00016.52
7.4.280.0030.00316.59
7.4.270.0000.00716.42
7.4.260.0060.00013.28
7.4.250.0000.00716.45
7.4.240.0020.00616.53
7.4.230.0070.00016.47
7.4.220.0030.01616.53
7.4.210.0070.00916.58
7.4.200.0000.00816.33
7.4.190.0030.00316.66
7.4.160.0100.00716.51
7.4.150.0130.00417.40
7.4.140.0130.00817.86
7.4.130.0110.00616.48
7.4.120.0090.00716.42
7.4.110.0140.00316.46
7.4.100.0100.00716.58
7.4.90.0080.00816.45
7.4.80.0070.01419.39
7.4.70.0110.00716.46
7.4.60.0090.00916.28
7.4.50.0090.00016.56
7.4.40.0000.01522.77
7.4.30.0130.01016.35
7.4.00.0100.00314.88
7.3.330.0050.00013.12
7.3.320.0050.00013.22
7.3.310.0030.00316.35
7.3.300.0020.00516.34
7.3.290.0090.00616.20
7.3.280.0090.00916.30
7.3.270.0110.00817.40
7.3.260.0080.00916.27
7.3.250.0140.00616.31
7.3.240.0160.00316.60
7.3.230.0100.00616.43
7.3.210.0060.00916.57
7.3.200.0060.01619.39
7.3.190.0100.00916.50
7.3.180.0060.01016.64
7.3.170.0060.01216.40
7.3.160.0070.01016.46
7.3.120.0030.01314.78
7.3.00.0070.00316.80
7.2.330.0110.00716.35
7.2.320.0100.00916.64
7.2.310.0190.00416.34
7.2.300.0090.00616.79
7.2.290.0070.01016.31
7.2.130.0080.00316.68
7.2.120.0090.00616.82
7.2.110.0110.00416.84
7.2.100.0000.01416.67
7.2.90.0090.00616.81
7.2.80.0040.00816.94
7.2.70.0070.00316.89
7.2.60.0080.00816.57
7.2.50.0090.00416.93
7.2.40.0130.00016.80
7.2.30.0070.01016.66
7.2.20.0030.01316.76
7.2.10.0080.00316.61
7.2.00.0040.00716.94
7.1.250.0030.01015.68
7.1.240.0040.00415.66
7.1.230.0040.01115.78
7.1.220.0000.01115.86
7.1.210.0090.00315.77
7.1.200.0040.01115.38
7.1.190.0090.00915.82
7.1.180.0040.01115.85
7.1.170.0070.00415.74
7.1.160.0120.00315.28
7.1.150.0070.01115.70
7.1.140.0060.00615.54
7.1.130.0090.00915.59
7.1.120.0030.01115.69
7.1.110.0000.01215.68
7.1.100.0030.00715.68
7.1.90.0030.00715.73
7.1.80.0110.00315.80
7.1.70.0040.00616.46
7.1.60.0070.00716.50
7.1.50.0090.00716.27
7.1.40.0080.00315.60
7.1.30.0030.01015.87
7.1.20.0040.00415.59
7.1.10.0030.00615.34
7.1.00.0020.03919.13
7.0.330.0090.00315.30
7.0.320.0080.00815.41
7.0.310.0040.00415.34
7.0.300.0070.01015.06
7.0.290.0070.00615.16
7.0.280.0000.01115.06
7.0.270.0110.00415.18
7.0.260.0070.00715.14
7.0.250.0000.01215.48
7.0.240.0070.00715.31
7.0.230.0000.01115.55
7.0.220.0040.00815.29
7.0.210.0040.00815.12
7.0.200.0020.01015.83
7.0.190.0040.00415.39
7.0.180.0070.00715.34
7.0.170.0000.01115.12
7.0.160.0060.00615.55
7.0.150.0090.00615.23
7.0.140.0090.03318.77
7.0.130.0030.00715.50
7.0.120.0050.00315.27
7.0.110.0040.00815.41
7.0.100.0030.00915.42
7.0.90.0070.00715.21
7.0.80.0100.00315.22
7.0.70.0070.01718.48
7.0.60.0040.02218.53
7.0.50.0060.01818.87
7.0.40.0060.01816.72
7.0.30.0020.02416.67
7.0.20.0050.02016.77
7.0.10.0020.02116.79
7.0.00.0070.01816.66
5.6.380.0000.00814.45
5.6.370.0030.01014.44
5.6.360.0070.00314.33
5.6.350.0130.00014.11
5.6.340.0060.00314.09
5.6.330.0030.01014.48
5.6.320.0040.00714.14
5.6.310.0030.00714.25
5.6.300.0090.00314.13
5.6.290.0030.00914.21
5.6.280.0020.04217.71
5.6.270.0050.00714.66
5.6.260.0150.00014.34
5.6.250.0130.00314.14
5.6.240.0060.00614.17
5.6.230.0070.00714.23
5.6.220.0000.02117.37
5.6.210.0010.02017.46
5.6.200.0020.02417.64
5.6.190.0030.02117.65
5.6.180.0030.01817.74
5.6.170.0050.01817.64
5.6.160.0080.01817.79
5.6.150.0050.01817.52
5.6.140.0040.02617.66
5.6.130.0060.03117.71
5.6.120.0080.02517.71
5.6.110.0020.02817.69
5.6.100.0030.02617.65
5.6.90.0090.01817.70
5.6.80.0130.01817.25
5.6.70.0040.04317.33
5.6.60.0030.03517.37
5.6.50.0060.02117.36
5.6.40.0030.02417.39
5.6.30.0020.02417.24
5.6.20.0000.04017.42
5.6.10.0050.03717.32
5.6.00.0030.04717.29
5.5.380.0040.00413.29
5.5.370.0030.00613.29
5.5.360.0020.01816.79
5.5.350.0010.02116.83
5.5.340.0030.02017.05
5.5.330.0020.01817.00
5.5.320.0020.01817.03
5.5.310.0030.01817.07
5.5.300.0070.02017.02
5.5.290.0030.02217.07
5.5.280.0020.02517.04
5.5.270.0030.02517.05
5.5.260.0050.02117.04
5.5.250.0020.02816.99
5.5.240.0060.03316.78
5.5.230.0040.02416.68
5.5.220.0050.02716.75
5.5.210.0030.04316.77
5.5.200.0030.02316.76
5.5.190.0000.02816.68
5.5.180.0040.04416.75
5.5.170.0030.00613.29
5.5.160.0050.03016.74
5.5.150.0050.02316.69
5.5.140.0030.02216.72
5.5.130.0000.02516.70
5.5.120.0020.02516.63
5.5.110.0060.02416.74
5.5.100.0020.02516.63
5.5.90.0040.01816.71
5.5.80.0020.01916.71
5.5.70.0020.02216.66
5.5.60.0050.02216.71
5.5.50.0040.01316.65
5.5.40.0050.02216.66
5.5.30.0050.02716.60
5.5.20.0030.02116.60
5.5.10.0030.03216.69
5.5.00.0020.02416.66
5.4.450.0050.04016.40
5.4.440.0000.02516.32
5.4.430.0020.02116.30
5.4.420.0040.02016.37
5.4.410.0020.02316.25
5.4.400.0040.04216.21
5.4.390.0050.03716.15
5.4.380.0030.03316.06
5.4.370.0030.03416.06
5.4.360.0040.02416.11
5.4.350.0020.02516.21
5.4.340.0040.03016.16
5.4.330.0030.00313.29
5.4.320.0030.02516.21
5.4.310.0030.02716.11
5.4.300.0030.02216.11
5.4.290.0020.02416.20
5.4.280.0040.02116.25
5.4.270.0050.02016.21
5.4.260.0040.02416.24
5.4.250.0020.01916.18
5.4.240.0080.01316.16
5.4.230.0020.02916.20
5.4.220.0020.01916.21
5.4.210.0050.03016.18
5.4.200.0050.02016.20
5.4.190.0020.02216.06
5.4.180.0070.02216.20
5.4.170.0020.02316.21
5.4.160.0080.01516.15
5.4.150.0060.01816.15
5.4.140.0030.02014.82
5.4.130.0070.01514.80
5.4.120.0040.02014.78
5.4.110.0000.03214.80
5.4.100.0090.01714.76
5.4.90.0020.02214.85
5.4.80.0020.01714.79
5.4.70.0050.02014.76
5.4.60.0020.02514.85
5.4.50.0040.02014.86
5.4.40.0030.01614.81
5.4.30.0080.01814.78
5.4.20.0000.02014.87
5.4.10.0040.01514.78
5.4.00.0110.01514.55
5.3.290.0080.01813.99
5.3.280.0030.02013.99
5.3.270.0050.02013.94
5.3.260.0020.01813.96
5.3.250.0000.02013.99
5.3.240.0030.02313.93
5.3.230.0030.02013.91
5.3.220.0000.02313.89
5.3.210.0020.02013.89
5.3.200.0040.02013.99
5.3.190.0030.01813.98
5.3.180.0050.01313.91
5.3.170.0030.02513.93
5.3.160.0020.02813.96
5.3.150.0020.01813.93
5.3.140.0060.01713.98
5.3.130.0060.02213.91
5.3.120.0000.02013.89
5.3.110.0010.02113.98
5.3.100.0020.02413.65
5.3.90.0030.02013.62
5.3.80.0020.02213.67
5.3.70.0040.01713.66
5.3.60.0040.01913.66
5.3.50.0020.02113.61
5.3.40.0050.01613.56
5.3.30.0020.02113.61
5.3.20.0040.01513.44
5.3.10.0020.01713.43
5.3.00.0010.02113.51
5.2.170.0000.01612.88
5.2.160.0010.01512.88
5.2.150.0020.01612.88
5.2.140.0060.01212.88
5.2.130.0020.01712.88
5.2.120.0020.01512.88
5.2.110.0020.01512.88
5.2.100.0060.01012.88
5.2.90.0000.01712.88
5.2.80.0040.01312.88
5.2.70.0030.01412.88
5.2.60.0030.01312.88
5.2.50.0000.01812.88
5.2.40.0010.01512.88
5.2.30.0010.01312.88
5.2.20.0000.01812.88
5.2.10.0020.01412.88
5.2.00.0030.01812.88
5.1.60.0000.01412.88
5.1.50.0030.01312.88
5.1.40.0020.01412.88
5.1.30.0050.01212.88
5.1.20.0020.01512.88
5.1.10.0030.01512.88
5.1.00.0040.01812.88
5.0.50.0020.01112.88
5.0.40.0010.01412.88
5.0.30.0020.01812.88
5.0.20.0000.01212.88
5.0.10.0040.00812.88
5.0.00.0040.01512.88
4.4.90.0010.00812.88
4.4.80.0010.01112.88
4.4.70.0000.01112.88
4.4.60.0040.00712.88
4.4.50.0000.01512.88
4.4.40.0020.01212.88
4.4.30.0000.00812.88
4.4.20.0020.00812.88
4.4.10.0020.00812.88
4.4.00.0000.01512.88
4.3.110.0030.00812.88
4.3.100.0020.01112.88
4.3.90.0020.01012.88
4.3.80.0030.01312.88
4.3.70.0010.00612.88
4.3.60.0010.00812.88
4.3.50.0010.00812.88
4.3.40.0020.01212.88
4.3.30.0010.01012.88
4.3.20.0020.00812.88
4.3.10.0030.00812.88
4.3.00.0000.01012.88

preferences:
44.01 ms | 400 KiB | 5 Q