3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Singleton { private static $instance = null; private function __construct() { } public static function getInstance() { if (self::$instance === null) { self::$instance = new self(); } return self::$instance; } } $singleton = Singleton::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)
8.3.60.0070.00716.63
8.3.50.0120.01021.97
8.3.40.0180.00318.85
8.3.30.0150.00018.75
8.3.20.0040.00420.36
8.3.10.0040.00423.48
8.3.00.0050.00319.26
8.2.180.0120.00616.75
8.2.170.0120.00322.96
8.2.160.0100.01020.43
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0040.01126.16
8.2.120.0080.00317.75
8.2.110.0070.00422.06
8.2.100.0120.00018.03
8.2.90.0040.00419.23
8.2.80.0040.00417.97
8.2.70.0090.00017.50
8.2.60.0030.00517.92
8.2.50.0050.00318.07
8.2.40.0040.00419.34
8.2.30.0050.00220.69
8.2.20.0040.00417.61
8.2.10.0000.00818.00
8.2.00.0050.00218.09
8.1.280.0100.00725.92
8.1.270.0000.00823.88
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0070.00322.54
8.1.230.0070.00417.66
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0030.00617.35
8.1.190.0110.00017.23
8.1.180.0060.00318.10
8.1.170.0040.00418.52
8.1.160.0040.00422.00
8.1.150.0040.00418.82
8.1.140.0030.00519.57
8.1.130.0000.00717.65
8.1.120.0030.00417.27
8.1.110.0000.00717.40
8.1.100.0030.00517.45
8.1.90.0070.00017.32
8.1.80.0070.00017.29
8.1.70.0070.00017.40
8.1.60.0040.00417.57
8.1.50.0040.00417.44
8.1.40.0080.00317.41
8.1.30.0030.00517.70
8.1.20.0050.00217.67
8.1.10.0040.00417.60
8.1.00.0030.00717.37
8.0.300.0000.00718.77
8.0.290.0040.00416.75
8.0.280.0000.00818.37
8.0.270.0000.00717.21
8.0.260.0000.00617.10
8.0.250.0050.00316.91
8.0.240.0000.00716.87
8.0.230.0050.00216.76
8.0.220.0030.00316.84
8.0.210.0050.00216.78
8.0.200.0060.00016.92
8.0.190.0030.00516.89
8.0.180.0000.00716.83
8.0.170.0030.00616.73
8.0.160.0030.00516.74
8.0.150.0000.00816.78
8.0.140.0030.00316.79
8.0.130.0050.00013.31
8.0.120.0030.00616.82
8.0.110.0040.00416.76
8.0.100.0030.00316.65
8.0.90.0040.00416.84
8.0.80.0090.00616.71
8.0.70.0040.00416.64
8.0.60.0030.00516.80
8.0.50.0000.00716.86
8.0.30.0120.01417.03
8.0.20.0090.01017.40
8.0.10.0080.00016.99
8.0.00.0070.01116.76
7.4.330.0050.00015.08
7.4.320.0060.00016.44
7.4.300.0030.00316.36
7.4.290.0070.00016.49
7.4.280.0050.00216.40
7.4.270.0070.00016.51
7.4.260.0100.00016.39
7.4.250.0030.00316.48
7.4.240.0040.00416.55
7.4.230.0000.00716.63
7.4.220.0030.01916.62
7.4.210.0100.00416.61
7.4.200.0030.00316.71
7.4.160.0030.01416.63
7.4.150.0000.01717.40
7.4.140.0110.01117.86
7.4.130.0170.00716.58
7.4.120.0090.00916.55
7.4.110.0100.01416.58
7.4.100.0030.01516.55
7.4.90.0180.00616.48
7.4.80.0130.00919.39
7.4.70.0080.00816.46
7.4.60.0140.00416.35
7.4.50.0040.00416.60
7.4.40.0030.01416.52
7.4.30.0100.00716.71
7.4.00.0070.01015.04
7.3.330.0000.00513.08
7.3.320.0030.00313.25
7.3.310.0000.00816.29
7.3.300.0030.00316.16
7.3.290.0070.00816.25
7.3.280.0070.00816.30
7.3.270.0070.01117.40
7.3.260.0040.01316.33
7.3.250.0130.00516.41
7.3.240.0100.00716.23
7.3.230.0060.01016.46
7.3.210.0030.01316.33
7.3.200.0100.00716.41
7.3.190.0080.01116.50
7.3.180.0130.00316.58
7.3.170.0090.01316.35
7.3.160.0070.01316.41
7.3.120.0100.01014.91
7.3.110.0110.00714.68
7.3.100.0030.00715.05
7.3.90.0070.00714.89
7.3.80.0030.00714.89
7.3.70.0060.00614.93
7.3.60.0090.00314.67
7.3.50.0150.00014.71
7.3.40.0060.01214.70
7.3.30.0070.00714.85
7.3.20.0070.01416.63
7.3.10.0060.00616.50
7.3.00.0080.00516.56
7.2.330.0120.00616.50
7.2.320.0090.01216.77
7.2.310.0030.01716.45
7.2.300.0060.01416.28
7.2.290.0120.00416.59
7.2.250.0060.01215.11
7.2.240.0060.01214.89
7.2.230.0040.01414.79
7.2.220.0060.01214.65
7.2.210.0080.00815.04
7.2.200.0070.00414.96
7.2.190.0000.01214.75
7.2.180.0060.00615.05
7.2.170.0030.01315.08
7.2.160.0130.00014.97
7.2.150.0120.00916.87
7.2.140.0060.00916.87
7.2.130.0080.00416.48
7.2.120.0090.00516.51
7.2.110.0080.00616.61
7.2.100.0120.00416.55
7.2.90.0100.00416.84
7.2.80.0090.00716.69
7.2.70.0050.00916.86
7.2.60.0040.01116.64
7.2.50.0110.00516.76
7.2.40.0090.00516.63
7.2.30.0070.01016.59
7.2.20.0060.00916.44
7.2.10.0100.00816.75
7.2.00.0040.01217.47
7.1.330.0100.00715.66
7.1.320.0040.00415.61
7.1.310.0030.00715.33
7.1.300.0120.00315.54
7.1.290.0000.01515.58
7.1.280.0070.01015.84
7.1.270.0070.00715.37
7.1.260.0040.01115.75
7.1.250.0060.00815.35
7.1.240.0070.00315.91
7.1.230.0040.01115.43
7.1.220.0040.00715.74
7.1.210.0030.00615.71
7.1.200.0030.00515.77
7.1.190.0040.01215.84
7.1.180.0030.00915.75
7.1.170.0070.01015.84
7.1.160.0070.00315.66
7.1.150.0000.01115.59
7.1.140.0000.00915.63
7.1.130.0130.00015.73
7.1.120.0030.01015.66
7.1.110.0060.00615.70
7.1.100.0040.01116.69
7.1.90.0060.00615.83
7.1.80.0030.01015.82
7.1.70.0030.00716.17
7.1.60.0030.01517.52
7.1.50.0060.01016.16
7.1.40.0100.00315.49
7.1.30.0070.00715.63
7.1.20.0030.01015.50
7.1.10.0040.01115.65
7.1.00.0050.04019.07
7.0.330.0070.00715.54
7.0.320.0060.00615.26
7.0.310.0000.00915.07
7.0.300.0070.01015.16
7.0.290.0070.00715.46
7.0.280.0030.01315.20
7.0.270.0030.01015.37
7.0.260.0080.00015.09
7.0.250.0120.00015.48
7.0.240.0000.01015.47
7.0.230.0000.01015.11
7.0.220.0070.00715.49
7.0.210.0000.01015.32
7.0.200.0160.00815.05
7.0.190.0070.00715.34
7.0.180.0030.00615.40
7.0.170.0000.01215.23
7.0.160.0060.00315.30
7.0.150.0040.00715.33
7.0.140.0040.00815.35
7.0.130.0050.00515.37
7.0.120.0030.00715.39
7.0.110.0090.00615.41
7.0.100.0120.00015.43
7.0.90.0070.00715.39
7.0.80.0060.00615.44
7.0.70.0030.00615.15
7.0.60.0070.03617.74
7.0.50.0030.02416.73
7.0.40.0100.04016.93
7.0.30.0230.03316.83
7.0.20.0190.03816.84
7.0.10.0090.04516.86
7.0.00.0090.04216.90
5.6.400.0060.00314.57
5.6.390.0100.00014.59
5.6.380.0080.00814.41
5.6.370.0130.00314.41
5.6.360.0060.00714.40
5.6.350.0060.00914.55
5.6.340.0030.00914.39
5.6.330.0030.01014.16
5.6.320.0080.00814.38
5.6.310.0080.00014.66
5.6.300.0070.00614.54
5.6.290.0090.00314.53
5.6.280.0000.02117.83
5.6.270.0140.00014.48
5.6.260.0060.01214.53
5.6.250.0070.01014.45
5.6.240.0110.00414.33
5.6.230.0040.01214.33
5.6.220.0060.00614.36
5.6.210.0040.04917.40
5.6.200.0110.04016.19
5.6.190.0030.04317.52
5.6.180.0150.03717.57
5.6.170.0170.04017.42
5.6.160.0080.04717.43
5.6.150.0030.02816.23
5.6.140.0080.04316.27
5.6.130.0050.04516.28
5.6.120.0070.02817.65
5.6.110.0100.04417.70
5.6.100.0030.02717.85
5.6.90.0100.04417.71
5.6.80.0030.02517.27
5.6.70.0000.01414.27
5.6.60.0110.00614.23
5.6.50.0120.00614.61
5.6.40.0090.00914.45
5.6.30.0060.01014.38
5.6.20.0070.00714.40
5.6.10.0060.00614.34
5.6.00.0060.00614.40
5.5.380.0120.00314.38
5.5.370.0080.00014.58
5.5.360.0000.01014.25
5.5.350.0180.03717.48
5.5.340.0030.03316.16
5.5.330.0030.04217.25
5.5.320.0140.02317.36
5.5.310.0140.04917.17
5.5.300.0070.04316.16
5.5.290.0060.02416.27
5.5.280.0030.03517.43
5.5.270.0070.02317.39
5.5.260.0030.05017.71
5.5.250.0030.02517.51
5.5.240.0110.03817.07
5.5.230.0140.00314.42
5.5.220.0120.00414.46
5.5.210.0000.01114.37
5.5.200.0100.00014.36
5.5.190.0090.00314.43
5.5.180.0040.00814.54
5.5.170.0040.01114.25
5.5.160.0000.01214.22
5.5.150.0030.00714.38
5.5.140.0100.00014.17
5.5.130.0000.01513.99
5.5.120.0110.00313.99
5.5.110.0040.00714.19
5.5.100.0000.01514.25
5.5.90.0030.01314.41
5.5.80.0070.00714.05
5.5.70.0030.00914.32
5.5.60.0060.00614.05
5.5.50.0030.01314.39
5.5.40.0000.01514.02
5.5.30.0080.00814.13
5.5.20.0040.01414.36
5.5.10.0000.01714.06
5.5.00.0000.01314.36
5.4.450.0410.03616.56
5.4.440.0280.03016.44
5.4.430.0270.03216.58
5.4.420.0320.03316.58
5.4.410.0270.03116.46
5.4.400.0270.03116.29
5.4.390.0280.03116.36
5.4.380.0300.02716.32
5.4.370.0280.02816.35
5.4.360.0330.03016.21
5.4.350.0320.03116.42
5.4.340.0330.02816.36
5.4.330.0040.00813.59
5.4.320.0320.03316.35
5.4.310.0350.04216.32
5.4.300.0280.03216.32
5.4.290.0350.02516.36
5.4.280.0320.03116.22
5.4.270.0350.03116.44
5.4.260.0340.02516.35
5.4.250.0320.02916.22
5.4.240.0280.03316.42
5.4.230.0320.02916.40
5.4.220.0330.02316.42
5.4.210.0280.02816.42
5.4.200.0280.02916.44
5.4.190.0300.03216.40
5.4.180.0280.03016.31
5.4.170.0290.03116.43
5.4.160.0280.03416.22
5.4.150.0300.03316.22
5.4.140.0290.02715.02
5.4.130.0280.02314.99
5.4.120.0250.03115.00
5.4.110.0300.03014.92
5.4.100.0340.02715.02
5.4.90.0340.02515.05
5.4.80.0250.02715.05
5.4.70.0330.02615.01
5.4.60.0300.02915.08
5.4.50.0320.02815.09
5.4.40.0330.02515.09
5.4.30.0370.01814.98
5.4.20.0350.02315.03
5.4.10.0300.03115.08
5.4.00.0330.02714.67

preferences:
46.91 ms | 401 KiB | 5 Q