3v4l.org

run code in 300+ PHP versions simultaneously
<?php trait Singleton { public static function getInstance(){ static $counter = 0; static $instance = null; if (!isset($instance)) { $instance = new static(); } $counter++; return $instance; } } abstract class Abudabia { use Singleton; } class a1 extends Abudabia { public function set() { return 'allah ahbar'; } } class a2 extends Abudabia { public function get() { return 'algazira'; } } $a = a1::getInstance(); $b = a2::getInstance(); $a = a1::getInstance(); $b = a2::getInstance(); $a = a1::getInstance(); $b = a2::getInstance(); var_dump($a::$counter,$b::$counter);

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)
8.3.60.0100.00718.55
8.3.50.0090.00921.28
8.3.40.0090.00918.93
8.3.30.0070.00719.01
8.3.20.0000.00820.20
8.3.10.0080.00023.64
8.3.00.0000.01117.47
8.2.180.0080.00816.38
8.2.170.0120.00622.96
8.2.160.0030.01020.39
8.2.150.0050.00324.18
8.2.140.0000.00824.66
8.2.130.0000.00726.16
8.2.120.0070.00022.23
8.2.110.0080.00020.58
8.2.100.0070.00418.09
8.2.90.0040.00419.17
8.2.80.0000.00917.97
8.2.70.0030.00617.63
8.2.60.0040.00717.93
8.2.50.0030.00618.07
8.2.40.0040.00419.95
8.2.30.0100.00018.29
8.2.20.0000.00717.75
8.2.10.0080.00018.02
8.2.00.0000.00717.90
8.1.280.0140.00725.92
8.1.270.0040.00422.14
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0070.00323.95
8.1.230.0070.00419.07
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0060.00317.23
8.1.190.0030.00517.35
8.1.180.0000.00818.10
8.1.170.0080.00018.37
8.1.160.0000.00721.95
8.1.150.0080.00318.82
8.1.140.0000.00817.45
8.1.130.0030.00317.92
8.1.120.0000.00717.51
8.1.110.0000.00817.47
8.1.100.0040.00417.53
8.1.90.0000.00717.54
8.1.80.0000.00717.56
8.1.70.0030.00617.45
8.1.60.0030.00617.60
8.1.50.0000.00817.46
8.1.40.0090.00017.41
8.1.30.0040.00417.73
8.1.20.0050.00217.58
8.1.10.0040.00417.57
8.1.00.0000.00717.43
8.0.300.0000.00818.77
8.0.290.0040.00416.75
8.0.280.0000.00718.42
8.0.270.0000.00717.23
8.0.260.0030.00317.33
8.0.250.0070.00017.02
8.0.240.0040.00416.92
8.0.230.0070.00017.02
8.0.220.0040.00416.94
8.0.210.0000.00716.97
8.0.200.0070.00017.03
8.0.190.0040.00417.04
8.0.180.0070.00016.90
8.0.170.0040.00416.92
8.0.160.0000.00716.87
8.0.150.0040.00716.98
8.0.140.0040.00417.01
8.0.130.0030.00613.41
8.0.120.0050.00316.94
8.0.110.0030.00616.91
8.0.100.0030.00516.78
8.0.90.0030.00517.05
8.0.80.0030.01617.04
8.0.70.0040.00416.82
8.0.60.0040.00416.87
8.0.50.0000.00716.86
8.0.30.0080.01116.97
8.0.20.0110.00817.40
8.0.10.0050.00317.14
8.0.00.0100.01016.73
7.4.330.0020.00215.15
7.4.320.0000.00616.53
7.4.300.0050.00216.53
7.4.290.0000.00716.67
7.4.280.0000.00716.50
7.4.270.0070.00016.69
7.4.260.0030.00316.51
7.4.250.0080.00016.63
7.4.240.0000.00816.64
7.4.230.0070.00016.63
7.4.220.0070.01016.55
7.4.210.0090.00616.59
7.4.200.0040.00416.65
7.4.160.0080.00816.38
7.4.150.0080.01117.40
7.4.140.0070.01417.86
7.4.130.0080.01516.61
7.4.120.0060.01316.54
7.4.110.0030.01416.40
7.4.100.0030.01416.57
7.4.90.0100.00716.75
7.4.80.0130.00619.39
7.4.70.0130.01016.62
7.4.60.0110.00616.61
7.4.50.0000.00516.61
7.4.40.0060.00916.49
7.4.30.0090.00716.68
7.4.10.0060.01215.04
7.4.00.0080.01014.98
7.3.330.0050.00013.33
7.3.320.0050.00013.41
7.3.310.0020.00516.45
7.3.300.0000.00716.47
7.3.290.0140.00016.46
7.3.280.0100.00616.47
7.3.270.0130.00517.40
7.3.260.0170.00016.51
7.3.250.0090.00716.60
7.3.240.0090.00616.57
7.3.230.0070.01016.72
7.3.210.0070.01016.48
7.3.200.0130.00919.39
7.3.190.0170.00016.50
7.3.180.0070.01016.41
7.3.170.0070.01016.62
7.3.160.0080.00816.47
7.3.130.0090.00914.91
7.3.120.0080.01014.97
7.3.110.0090.00914.89
7.3.100.0060.00914.75
7.3.90.0080.00714.84
7.3.80.0060.00914.77
7.3.70.0020.01314.89
7.3.60.0070.00714.93
7.3.50.0060.00814.83
7.3.40.0070.00714.98
7.3.30.0040.00714.78
7.3.20.0070.00816.69
7.3.10.0070.00816.69
7.3.00.0070.00716.73
7.2.330.0080.00816.59
7.2.320.0070.01016.68
7.2.310.0030.01316.60
7.2.300.0070.01016.41
7.2.290.0090.01316.61
7.2.260.0120.00215.08
7.2.250.0070.01114.81
7.2.240.0070.01215.05
7.2.230.0080.00815.25
7.2.220.0070.00914.99
7.2.210.0070.00815.03
7.2.200.0050.00614.99
7.2.190.0030.01214.73
7.2.180.0030.01115.11
7.2.170.0040.01114.99
7.2.160.0000.01615.16
7.2.150.0070.01017.07
7.2.140.0080.00416.98
7.2.130.0070.00716.72
7.2.120.0090.00616.95
7.2.110.0060.00616.99
7.2.100.0030.00816.92
7.2.90.0090.00716.80
7.2.80.0030.01316.82
7.2.70.0060.00816.79
7.2.60.0070.00716.79
7.2.50.0060.00816.79
7.2.40.0080.00516.81
7.2.30.0010.01116.99
7.2.20.0080.01016.91
7.2.10.0060.00616.99
7.2.00.0050.00717.71
7.1.330.0050.00915.73
7.1.320.0040.01315.80
7.1.310.0060.00815.73
7.1.300.0070.00415.68
7.1.290.0040.00815.79
7.1.280.0060.00715.78
7.1.270.0060.00515.70
7.1.260.0030.01215.71
7.1.250.0050.00915.78
7.1.240.0060.00915.64
7.1.230.0030.01215.87
7.1.220.0070.00715.69
7.1.210.0080.00515.54
7.1.200.0050.00815.75
7.1.190.0050.01115.72
7.1.180.0050.01015.89
7.1.170.0080.00315.65
7.1.160.0070.00715.66
7.1.150.0070.00715.81
7.1.140.0070.00515.79
7.1.130.0110.00315.65
7.1.120.0110.00315.73
7.1.110.0030.00815.71
7.1.100.0100.00416.54
7.1.90.0090.00615.76
7.1.80.0090.00615.67
7.1.70.0070.00515.96
7.1.60.0080.00916.88
7.1.50.0060.00916.18
7.1.40.0080.00315.75
7.1.30.0050.00915.79
7.1.20.0080.00515.72
7.1.10.0030.01015.70
7.1.00.0030.03217.92
7.0.330.0030.00715.33
7.0.320.0070.00715.34
7.0.310.0040.01015.26
7.0.300.0060.00815.25
7.0.290.0060.00615.37
7.0.280.0060.00715.26
7.0.270.0010.00715.25
7.0.260.0070.00315.40
7.0.250.0000.01115.47
7.0.240.0070.00615.21
7.0.230.0040.00815.55
7.0.220.0030.00815.57
7.0.210.0070.00415.30
7.0.200.0050.00515.95
7.0.190.0050.00615.28
7.0.180.0020.00915.46
7.0.170.0070.00315.54
7.0.160.0040.01015.39
7.0.150.0060.00615.50
7.0.140.0100.02517.64
7.0.130.0060.00415.50
7.0.120.0070.01015.58
7.0.110.0130.00815.54
7.0.100.0070.01215.39
7.0.90.0070.00715.44
7.0.80.0020.00815.39
7.0.70.0100.00715.30
7.0.60.0080.01716.82
7.0.50.0100.02316.33
7.0.40.0040.02115.68
7.0.30.0110.02815.76
7.0.20.0080.01715.66
7.0.10.0080.03015.75
7.0.00.0060.01815.74
5.6.400.0000.01214.64
5.6.390.0080.00514.73
5.6.380.0060.00614.31
5.6.370.0030.00914.45
5.6.360.0090.00314.55
5.6.350.0050.00614.31
5.6.340.0060.00814.22
5.6.330.0050.00514.28
5.6.320.0100.00314.45
5.6.310.0060.00414.60
5.6.300.0060.00814.11
5.6.290.0050.00814.31
5.6.280.0040.03016.62
5.6.270.0060.01114.36
5.6.260.0060.00714.43
5.6.250.0100.00514.14
5.6.240.0050.00914.30
5.6.230.0040.00814.54
5.6.220.0030.01114.27
5.6.210.0020.02216.36
5.6.200.0120.02515.72
5.6.190.0050.02516.31
5.6.180.0250.01816.57
5.6.170.0150.02216.45
5.6.160.0100.02916.35
5.6.150.0050.03115.52
5.6.140.0070.03215.45
5.6.130.0070.02415.61
5.6.120.0050.03016.46
5.6.110.0090.03116.65
5.6.100.0060.03216.53
5.6.90.0090.03116.52
5.6.80.0070.01616.33
5.6.70.0070.00514.20
5.6.60.0030.00914.14
5.6.50.0070.00614.09
5.6.40.0070.00614.13
5.6.30.0040.00814.30
5.6.20.0070.00714.13
5.6.10.0130.00314.16
5.6.00.0100.00814.25
5.5.380.0060.00512.46
5.5.370.0020.01212.76
5.5.360.0020.00912.60
5.5.350.0080.01615.20
5.5.340.0050.03314.44
5.5.330.0060.01815.21
5.5.320.0160.02915.30
5.5.310.0120.02315.34
5.5.300.0010.02614.43
5.5.290.0050.03114.30
5.5.280.0070.02815.43
5.5.270.0040.02415.49
5.5.260.0010.02815.58
5.5.250.0060.02115.22
5.5.240.0080.03315.27
5.5.230.0060.00512.36
5.5.220.0030.00912.67
5.5.210.0080.00312.75
5.5.200.0070.00412.77
5.5.190.0040.01012.75
5.5.180.0050.00912.62
5.5.170.0030.01012.68
5.5.160.0050.00512.67
5.5.150.0050.00412.54
5.5.140.0020.01012.53
5.5.130.0000.01212.51
5.5.120.0050.00612.68
5.5.110.0060.00612.69
5.5.100.0060.00412.62
5.5.90.0090.00512.56
5.5.80.0010.01012.63
5.5.70.0060.00412.49
5.5.60.0050.00712.91
5.5.50.0080.00512.69
5.5.40.0050.00712.48
5.5.30.0070.00712.71
5.5.20.0000.01212.78
5.5.10.0060.00612.68
5.5.00.0090.00412.51
5.4.450.0280.01813.76
5.4.440.0140.02013.73
5.4.430.0090.02113.87
5.4.420.0270.00313.74
5.4.410.0250.00413.76
5.4.400.0230.00513.76
5.4.390.0290.00313.66
5.4.380.0260.00213.70
5.4.370.0230.00413.62
5.4.360.0260.00313.58
5.4.350.0220.00413.62
5.4.340.0040.01811.21
5.4.330.0090.00610.89
5.4.320.0020.02011.37
5.4.310.0080.01811.51
5.4.300.0050.01811.29
5.4.290.0040.01711.48
5.4.280.0060.01511.41
5.4.270.0030.02011.52
5.4.260.0020.01811.43
5.4.250.0060.01411.27
5.4.240.0050.01511.50
5.4.230.0050.01511.33
5.4.220.0050.01311.44
5.4.210.0040.01611.35
5.4.200.0060.01611.38
5.4.190.0040.01411.43
5.4.180.0060.01411.45
5.4.170.0060.01511.40
5.4.160.0060.01611.32
5.4.150.0030.01611.38
5.4.140.0030.01911.31
5.4.130.0060.01411.44
5.4.120.0060.01411.21
5.4.110.0030.01811.19
5.4.100.0070.01311.52
5.4.90.0050.01611.29
5.4.80.0050.01811.32
5.4.70.0060.01411.37
5.4.60.0050.01511.36
5.4.50.0040.01511.29
5.4.40.0070.01811.30
5.4.30.0060.01611.31
5.4.20.0050.01511.25
5.4.10.0050.01811.40
5.4.00.0040.01711.01
5.3.290.0030.02411.44
5.3.280.0030.02211.46
5.3.270.0070.02111.47
5.3.260.0040.02411.45
5.3.250.0020.02411.40
5.3.240.0040.02111.38
5.3.230.0070.02211.41
5.3.220.0040.02111.39
5.3.210.0070.02211.42
5.3.200.0040.02111.39
5.3.190.0100.02011.48
5.3.180.0040.03011.49
5.3.170.0050.02611.51
5.3.160.0050.02911.49
5.3.150.0070.02111.52
5.3.140.0060.01811.45
5.3.130.0040.02211.36
5.3.120.0060.02111.39
5.3.110.0070.01811.36
5.3.100.0070.01911.20
5.3.90.0070.02011.18
5.3.80.0050.02211.13
5.3.70.0070.02111.10
5.3.60.0080.02111.14
5.3.50.0020.02311.07
5.3.40.0040.02311.08
5.3.30.0020.02010.97
5.3.20.0040.02010.83
5.3.10.0050.02710.80
5.3.00.0070.02610.77
5.2.170.0030.0199.09
5.2.160.0050.0179.26
5.2.150.0040.0189.24
5.2.140.0030.0179.27
5.2.130.0050.0159.18
5.2.120.0040.0179.19
5.2.110.0030.0189.05
5.2.100.0070.0149.17
5.2.90.0040.0169.18
5.2.80.0050.0179.02
5.2.70.0040.0209.17
5.2.60.0070.0179.17
5.2.50.0070.0159.14
5.2.40.0040.0189.13
5.2.30.0020.0188.95
5.2.20.0020.0179.02
5.2.10.0040.0159.00
5.2.00.0050.0158.79
5.1.60.0040.0148.23
5.1.50.0050.0148.20
5.1.40.0010.0188.21
5.1.30.0050.0168.49
5.1.20.0020.0168.38
5.1.10.0050.0168.23
5.1.00.0050.0168.23
5.0.50.0020.0177.48
5.0.40.0040.0147.41
5.0.30.0040.0157.31
5.0.20.0040.0157.30
5.0.10.0040.0157.29
5.0.00.0020.0197.28
4.4.90.0030.0126.55
4.4.80.0030.0106.54
4.4.70.0020.0116.54
4.4.60.0020.0096.54
4.4.50.0010.0116.55
4.4.40.0020.0146.52
4.4.30.0020.0086.54
4.4.20.0050.0096.59
4.4.10.0020.0096.59
4.4.00.0040.0146.54
4.3.110.0060.0086.50
4.3.100.0050.0106.50
4.3.90.0020.0086.48
4.3.80.0050.0136.46
4.3.70.0030.0106.48
4.3.60.0030.0096.48
4.3.50.0020.0096.48
4.3.40.0020.0166.43
4.3.30.0040.0085.80
4.3.20.0020.0115.79
4.3.10.0020.0105.78
4.3.00.0020.0109.37

preferences:
38.3 ms | 401 KiB | 5 Q