3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Config { protected $config = array(); protected function __construct() {} private function __clone() {} private function __wakeup() {} public static function getInstance() { static $instance = null; if (!$instance) { $instance = new static(); } return $instance; } } $x = Config::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)
8.3.60.0120.00918.43
8.3.50.0130.00521.20
8.3.40.0110.00418.54
8.3.30.0060.00918.90
8.3.20.0040.00420.20
8.3.10.0080.00022.00
8.3.00.0070.00022.57
8.2.180.0100.00316.50
8.2.170.0150.00622.96
8.2.160.0140.00019.25
8.2.150.0060.00324.18
8.2.140.0050.00324.66
8.2.130.0060.00326.16
8.2.120.0050.00319.66
8.2.110.0100.00020.47
8.2.100.0110.00017.97
8.2.90.0030.00819.13
8.2.80.0050.00317.97
8.2.70.0040.00417.36
8.2.60.0050.00317.93
8.2.50.0040.00418.10
8.2.40.0000.00818.26
8.2.30.0050.00318.17
8.2.20.0000.00717.61
8.2.10.0040.00417.73
8.2.00.0080.00017.74
8.1.280.0060.01225.92
8.1.270.0120.00322.02
8.1.260.0070.00026.35
8.1.250.0060.00328.09
8.1.240.0090.00023.83
8.1.230.0080.00320.34
8.1.220.0040.00417.74
8.1.210.0060.00318.77
8.1.200.0040.00417.13
8.1.190.0080.00017.23
8.1.180.0080.00018.10
8.1.170.0000.00918.66
8.1.160.0000.00822.06
8.1.150.0020.00518.69
8.1.140.0040.00417.43
8.1.130.0030.00317.72
8.1.120.0040.00417.49
8.1.110.0040.00417.39
8.1.100.0000.00717.43
8.1.90.0070.00017.41
8.1.80.0050.00317.44
8.1.70.0030.00317.34
8.1.60.0040.00417.57
8.1.50.0000.00717.40
8.1.40.0080.00017.50
8.1.30.0030.00517.49
8.1.20.0040.00417.62
8.1.10.0000.00817.59
8.1.00.0030.00617.48
8.0.300.0040.00418.77
8.0.290.0000.00816.63
8.0.280.0050.00318.48
8.0.270.0000.00717.24
8.0.260.0030.00316.80
8.0.250.0040.00417.03
8.0.240.0000.00816.95
8.0.230.0040.00416.91
8.0.220.0000.00716.93
8.0.210.0000.00717.03
8.0.200.0050.00316.90
8.0.190.0080.00017.01
8.0.180.0000.00716.86
8.0.170.0030.00516.99
8.0.160.0040.00416.88
8.0.150.0040.00416.82
8.0.140.0000.00816.81
8.0.130.0000.00513.36
8.0.120.0040.00416.89
8.0.110.0040.00416.83
8.0.100.0040.00417.05
8.0.90.0040.00416.89
8.0.80.0160.00016.85
8.0.70.0040.00416.99
8.0.60.0000.00716.86
8.0.50.0000.00716.93
8.0.30.0050.01317.04
8.0.20.0080.00917.40
8.0.10.0000.00716.84
8.0.00.0120.00816.72
7.4.330.0020.00216.71
7.4.320.0030.00316.64
7.4.300.0060.00016.61
7.4.290.0030.00316.52
7.4.280.0000.00716.61
7.4.270.0040.00316.61
7.4.260.0050.00216.57
7.4.250.0040.00416.60
7.4.240.0030.00316.51
7.4.230.0060.00016.63
7.4.220.0090.00616.62
7.4.210.0090.00716.59
7.4.200.0000.00716.63
7.4.190.0030.00316.35
7.4.160.0060.00916.49
7.4.150.0100.00717.40
7.4.140.0070.01017.86
7.4.130.0110.00716.48
7.4.120.0070.01016.47
7.4.110.0110.01316.36
7.4.100.0060.01316.47
7.4.90.0190.00316.45
7.4.80.0110.00719.39
7.4.70.0090.00916.20
7.4.60.0030.01316.53
7.4.50.0040.00416.59
7.4.40.0060.00922.77
7.4.30.0060.01016.44
7.4.00.0030.00915.07
7.3.330.0050.00013.25
7.3.320.0050.00013.11
7.3.310.0070.00016.34
7.3.300.0030.00316.16
7.3.290.0120.00316.29
7.3.280.0090.00616.25
7.3.270.0140.00417.40
7.3.260.0160.00316.30
7.3.250.0110.00616.33
7.3.240.0060.01016.36
7.3.230.0150.00616.39
7.3.210.0120.00616.25
7.3.200.0160.00019.39
7.3.190.0100.00716.34
7.3.180.0030.01716.09
7.3.170.0040.01516.47
7.3.160.0090.00916.35
7.3.120.0060.00914.92
7.2.330.0060.01216.74
7.2.320.0030.01416.76
7.2.310.0070.01116.71
7.2.300.0080.00816.32
7.2.290.0030.01316.63
7.2.120.2270.01016.27
7.2.110.0040.01016.70
7.2.100.0250.00316.57
7.2.90.0250.00616.57
7.2.80.0140.00816.42
7.2.70.0240.01016.57
7.2.60.0260.00316.73
7.2.50.0150.00816.95
7.2.40.0190.00817.07
7.2.30.0070.01416.97
7.2.20.0200.00716.91
7.2.10.0250.00416.91
7.2.00.0200.00616.55
7.1.240.0130.00315.52
7.1.230.0250.00715.75
7.1.220.0190.00715.60
7.1.210.0240.00615.52
7.1.200.0080.00515.67
7.1.190.0100.00515.64
7.1.180.0190.00315.45
7.1.170.0140.00515.45
7.1.160.0170.00715.77
7.1.150.0180.00915.42
7.1.140.0130.00315.57
7.1.130.0220.01015.68
7.1.120.0220.00815.80
7.1.110.0180.00615.82
7.1.100.0290.00915.79
7.1.90.0200.00415.77
7.1.80.0160.00415.49
7.1.70.0120.00516.21
7.1.60.0150.00316.57
7.1.50.0110.01016.29
7.1.40.0120.01415.57
7.1.30.0160.00615.55
7.1.20.0180.00915.63
7.1.10.0210.00415.69
7.1.00.0190.02218.98
7.0.320.0270.00015.42
7.0.310.0140.00815.27
7.0.300.0210.00315.32
7.0.290.0100.00515.50
7.0.280.0170.00915.11
7.0.270.0060.00915.22
7.0.260.0190.00415.52
7.0.250.0190.00515.18
7.0.240.0320.00015.48
7.0.230.0550.00415.23
7.0.220.0270.00015.21
7.0.210.0170.00315.34
7.0.200.0130.00616.00
7.0.190.0430.00415.34
7.0.180.0180.00315.29
7.0.170.0210.00715.40
7.0.160.0080.00515.23
7.0.150.0230.00015.45
7.0.140.0100.03818.76
7.0.130.0170.00415.52
7.0.120.0300.00315.41
7.0.110.0130.00915.43
7.0.100.0220.00415.04
7.0.90.0210.00315.51
7.0.80.0160.00815.32
7.0.70.0250.00315.24
7.0.60.0170.04417.56
7.0.50.0120.02216.56
7.0.40.0140.03516.69
7.0.30.0190.03416.78
7.0.20.0150.03816.76
7.0.10.0120.04016.90
7.0.00.0120.01916.78
5.6.380.0110.00614.35
5.6.370.0040.00814.32
5.6.360.0030.01014.39
5.6.350.0040.00914.40
5.6.340.0150.00314.19
5.6.330.0110.00414.32
5.6.320.0110.00714.39
5.6.310.0100.00614.38
5.6.300.0140.00014.20
5.6.290.0130.00014.23
5.6.280.0090.04517.69
5.6.270.0090.00914.43
5.6.260.0070.00714.30
5.6.250.0100.00614.25
5.6.240.0090.00614.69
5.6.230.0040.01114.52
5.6.220.0180.00414.41
5.6.210.0090.03717.43
5.6.200.0090.03616.32
5.6.190.0090.04417.51
5.6.180.0240.02417.39
5.6.170.0110.02617.39
5.6.160.0090.03717.41
5.6.150.0090.03916.24
5.6.140.0020.05416.21
5.6.130.0100.04016.15
5.6.120.0080.02317.61
5.6.110.0120.02817.71
5.6.100.0090.03217.77
5.6.90.0050.03517.76
5.6.80.0070.04617.27
5.6.70.0130.00414.25
5.6.60.0140.00613.98
5.6.50.0090.00914.21
5.6.40.0120.00814.13
5.6.30.0180.00314.37
5.6.20.0110.00614.14
5.6.10.0130.00314.24
5.6.00.0130.00614.27
5.5.380.0080.00411.15
5.5.370.0120.00011.12
5.5.360.0100.00311.41
5.5.350.0160.03615.77
5.5.340.0070.02414.59
5.5.330.0070.03915.79
5.5.320.0110.02415.83
5.5.310.0150.04315.71
5.5.300.0080.04514.61
5.5.290.0020.02614.69
5.5.280.0110.04315.87
5.5.270.0100.03815.88
5.5.260.0120.03715.99
5.5.250.0080.03815.89
5.5.240.0060.03715.63
5.5.230.0130.00011.09
5.5.220.0100.00411.14
5.5.210.0070.00411.25
5.5.200.0100.00311.09
5.5.190.0090.00611.09
5.5.180.0110.00411.09
5.5.170.0100.01014.27
5.5.160.0140.00011.09
5.5.150.0060.00811.09
5.5.140.0130.00011.23
5.5.130.0060.00611.12
5.5.120.0030.01011.25
5.5.110.0110.00011.27
5.5.100.0040.01111.09
5.5.90.0050.01011.26
5.5.80.0110.00311.09
5.5.70.0080.00411.09
5.5.60.0110.00411.25
5.5.50.0100.00611.32
5.5.40.0060.00311.09
5.5.30.0060.00811.09
5.5.20.0070.00411.31
5.5.10.0050.01011.09
5.5.00.0120.00211.09
5.4.450.0130.04115.38
5.4.440.0110.03215.24
5.4.430.0150.03015.39
5.4.420.0150.02815.21
5.4.410.0220.02515.35
5.4.400.0160.02815.12
5.4.390.0170.02815.12
5.4.380.0410.03014.93
5.4.370.0660.03714.91
5.4.360.0490.02614.89
5.4.350.0470.03214.94
5.4.340.0560.03114.86
5.4.330.0040.00811.09
5.4.320.0060.02011.80
5.4.310.0080.02311.85
5.4.300.0060.02811.83
5.4.290.0060.02611.80
5.4.280.0050.02411.75
5.4.270.0070.01911.74
5.4.260.0140.02014.95
5.4.250.0120.03715.04
5.4.240.0080.03015.03
5.4.230.0130.03515.04
5.4.220.0110.02715.05
5.4.210.0150.02215.01
5.4.200.0180.02314.92
5.4.190.0100.04114.99
5.4.180.0150.03215.05
5.4.170.0140.02715.04
5.4.160.0070.02714.95
5.4.150.0090.02715.04
5.4.140.0130.02413.81
5.4.130.0130.02213.77
5.4.120.0030.03213.78
5.4.110.0110.02613.75
5.4.100.0050.03213.73
5.4.90.0100.02313.77
5.4.80.0050.03113.80
5.4.70.0090.02713.83
5.4.60.0060.02813.72
5.4.50.0090.02513.74
5.4.40.0090.02313.79
5.4.30.0070.02713.74
5.4.20.0080.04013.80
5.4.10.0120.02713.77
5.4.00.0080.02513.44
5.3.290.0090.02711.95
5.3.280.0120.03512.94
5.3.270.0050.03112.89
5.3.260.0100.02512.77
5.3.250.0070.02912.84
5.3.240.0050.02912.88
5.3.230.0050.03512.93
5.3.220.0110.02412.88
5.3.210.0080.02812.94
5.3.200.0090.02412.82
5.3.190.0050.03112.91
5.3.180.0070.02712.88
5.3.170.0170.01812.92
5.3.160.0070.02912.83
5.3.150.0080.03912.88
5.3.140.0060.03112.91
5.3.130.0080.03812.93
5.3.120.0090.03312.87
5.3.110.0070.04312.85
5.3.100.0070.02912.56
5.3.90.0070.03212.54
5.3.80.0060.02712.56
5.3.70.0090.03612.54
5.3.60.0090.03612.59
5.3.50.0080.02712.56
5.3.40.0150.02812.60
5.3.30.0060.02612.54
5.3.20.0060.02712.39
5.3.10.0030.03112.38
5.3.00.0090.03612.48
5.2.170.0020.02811.12
5.2.160.0100.02511.11
5.2.150.0020.02811.07
5.2.140.0000.02611.15
5.2.130.0100.02511.14
5.2.120.0050.03211.19
5.2.110.0050.02311.01
5.2.100.0060.02511.09
5.2.90.0020.02411.08
5.2.80.0050.02211.18
5.2.70.0060.02611.18
5.2.60.0080.02011.18
5.2.50.0060.02311.01
5.2.40.0090.02011.05
5.2.30.0030.03511.07
5.2.20.0100.02611.02
5.2.10.0030.02211.01
5.2.00.0100.02011.02
5.1.60.0050.01810.57
5.1.50.0070.01710.54
5.1.40.0070.02510.57
5.1.30.0090.02210.76
5.1.20.0050.02010.77
5.1.10.0020.03110.58
5.1.00.0050.02010.60
5.0.50.0050.0159.94
5.0.40.0080.0129.74
5.0.30.0060.0229.71
5.0.20.0020.0169.67
5.0.10.0080.0129.61
5.0.00.0020.0239.70
4.4.90.0020.0139.13
4.4.80.0020.0149.13
4.4.70.0030.0149.13
4.4.60.0000.0169.12
4.4.50.0020.0139.12
4.4.40.0030.0189.12
4.4.30.0030.0119.12
4.4.20.0020.0159.12
4.4.10.0010.0149.12
4.4.00.0050.0159.12
4.3.110.0030.0139.12
4.3.100.0030.0129.12
4.3.90.0030.0159.12
4.3.80.0050.0179.12
4.3.70.0040.0109.12
4.3.60.0030.0129.12
4.3.50.0020.0169.12
4.3.40.0050.0249.12
4.3.30.0030.0129.12
4.3.20.0000.0179.12
4.3.10.0040.0109.12
4.3.00.0150.00811.95

preferences:
41.02 ms | 401 KiB | 5 Q