3v4l.org

run code in 300+ PHP versions simultaneously
<?php trait Singleton { protected static $instance; public static function getInstance(){ if (!isset(static::$instance)) { static::$instance = new static(); } return static::$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(); $b = a2::getInstance(); var_dump($a,$b);

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)
8.3.60.0140.00318.43
8.3.50.0110.01122.05
8.3.40.0090.00918.59
8.3.30.0070.00719.08
8.3.20.0060.00320.39
8.3.10.0070.00023.51
8.3.00.0080.00417.50
8.2.180.0070.01018.51
8.2.170.0140.00022.96
8.2.160.0090.00920.35
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0090.00926.16
8.2.120.0110.00722.25
8.2.110.0090.00320.57
8.2.100.0000.01217.68
8.2.90.0080.00018.03
8.2.80.0040.00417.97
8.2.70.0080.00017.63
8.2.60.0060.00317.80
8.2.50.0050.00318.07
8.2.40.0060.00319.88
8.2.30.0070.00318.14
8.2.20.0040.00417.77
8.2.10.0000.00918.11
8.2.00.0060.00317.74
8.1.280.0030.01725.92
8.1.270.0040.00422.07
8.1.260.0070.01126.35
8.1.250.0140.00328.09
8.1.240.0030.00622.19
8.1.230.0090.00320.85
8.1.220.0000.00817.74
8.1.210.0060.00318.82
8.1.200.0030.00617.38
8.1.190.0000.00917.36
8.1.180.0080.00018.10
8.1.170.0080.00018.71
8.1.160.0040.00422.02
8.1.150.0050.00518.95
8.1.140.0000.00717.40
8.1.130.0030.00317.70
8.1.120.0040.00417.50
8.1.110.0040.00417.48
8.1.100.0000.00717.54
8.1.90.0040.00417.45
8.1.80.0040.00417.46
8.1.70.0000.00717.42
8.1.60.0050.00317.59
8.1.50.0060.00317.42
8.1.40.0030.00617.43
8.1.30.0080.00017.69
8.1.20.0040.00417.70
8.1.10.0030.00617.55
8.1.00.0070.00017.38
8.0.300.0040.00420.04
8.0.290.0000.00716.63
8.0.280.0030.00318.40
8.0.270.0070.00017.28
8.0.260.0000.00617.18
8.0.250.0000.00716.93
8.0.240.0060.00016.86
8.0.230.0030.00316.85
8.0.220.0040.00416.92
8.0.210.0080.00016.88
8.0.200.0060.00016.86
8.0.190.0050.00216.95
8.0.180.0000.00716.86
8.0.170.0000.00816.77
8.0.160.0040.00416.78
8.0.150.0030.00516.80
8.0.140.0000.00816.73
8.0.130.0030.00313.35
8.0.120.0000.00816.93
8.0.110.0030.00316.75
8.0.100.0000.00716.97
8.0.90.0070.00016.95
8.0.80.0100.01016.88
8.0.70.0000.00816.89
8.0.60.0080.00016.95
8.0.50.0030.00616.80
8.0.30.0070.01417.06
8.0.20.0100.01217.40
8.0.10.0000.00717.06
8.0.00.0070.01216.76
7.4.330.0000.00515.08
7.4.320.0030.00316.63
7.4.300.0000.00616.54
7.4.290.0040.00416.66
7.4.280.0080.00016.59
7.4.270.0000.00716.53
7.4.260.0000.00716.52
7.4.250.0040.00416.38
7.4.240.0050.00216.57
7.4.230.0000.00716.62
7.4.220.0030.01316.51
7.4.210.0110.00316.55
7.4.200.0030.00316.38
7.4.160.0130.01716.49
7.4.150.0090.00917.40
7.4.140.0070.01017.86
7.4.130.0070.01116.46
7.4.120.0090.00916.62
7.4.110.0060.01616.44
7.4.100.0090.00616.60
7.4.90.0100.00716.52
7.4.80.0060.01619.39
7.4.70.0120.00616.64
7.4.60.0090.00916.59
7.4.50.0000.00516.52
7.4.40.0060.01016.54
7.4.30.0080.00816.46
7.4.00.0070.00915.00
7.3.330.0050.00013.27
7.3.320.0030.00313.16
7.3.310.0000.00716.32
7.3.300.0060.00016.32
7.3.290.0140.00416.30
7.3.280.0080.00916.31
7.3.270.0080.01417.40
7.3.260.0130.01016.36
7.3.250.0100.00616.41
7.3.240.0070.01016.49
7.3.230.0090.01016.56
7.3.210.0150.00316.25
7.3.200.0170.00319.39
7.3.190.0080.00816.45
7.3.180.0070.01016.36
7.3.170.0100.00616.27
7.3.160.0100.00716.52
7.3.120.0110.00514.87
7.3.110.0120.00614.82
7.3.100.0040.01414.92
7.3.90.0060.00814.73
7.3.80.0080.00614.68
7.3.70.0070.00514.90
7.3.60.0120.00314.80
7.3.50.0070.00514.64
7.3.40.0070.00714.86
7.3.30.0050.01014.77
7.3.20.0060.00516.62
7.3.10.0050.00916.61
7.3.00.0070.00916.54
7.2.330.0040.01416.30
7.2.320.0100.00716.38
7.2.310.0070.01016.66
7.2.300.0120.00416.38
7.2.290.0030.02116.43
7.2.250.0030.01714.92
7.2.240.0120.00714.85
7.2.230.0070.01014.99
7.2.220.0100.00314.97
7.2.210.0050.01015.23
7.2.200.0070.01014.84
7.2.190.0070.00914.94
7.2.180.0040.00915.21
7.2.170.0050.00914.84
7.1.330.0080.00615.61
7.1.320.0040.00815.72
7.1.310.0070.00715.61
7.1.300.0050.00815.56
7.1.290.0050.00615.71
7.1.280.0040.00715.59
7.1.270.0040.00915.60
7.1.260.0070.00715.62
7.1.70.0030.00717.08
7.1.60.0060.01319.32
7.1.50.0040.01516.92
7.1.00.0070.07322.35
7.0.200.0070.00016.46
7.0.140.0070.07021.92
7.0.60.0070.03720.03
7.0.50.0100.07017.92
7.0.40.0130.08320.05
7.0.30.0670.05720.09
7.0.20.0130.04320.15
7.0.10.0070.08720.33
7.0.00.0100.07320.07
5.6.280.0070.07021.11
5.6.210.0100.08020.67
5.6.200.0100.07718.18
5.6.190.0030.09320.67
5.6.180.0630.05020.60
5.6.170.0400.07320.45
5.6.160.0130.05020.48
5.6.150.0000.04718.25
5.6.140.0130.07718.18
5.6.130.0130.07718.13
5.6.120.0070.05020.93
5.6.110.0100.08020.96
5.6.100.0000.08021.14
5.6.90.0070.09021.08
5.6.80.0030.03720.41
5.5.350.0030.05020.50
5.5.340.0230.03317.93
5.5.330.0070.04320.42
5.5.320.0330.08320.42
5.5.310.0300.07720.41
5.5.300.0100.08017.95
5.5.290.0030.08317.94
5.5.280.0030.09020.79
5.5.270.0100.06720.86
5.5.260.0200.07020.87
5.5.250.0030.09020.67
5.5.240.0170.08020.29
5.4.450.0230.04319.55
5.4.440.0100.04019.42
5.4.430.0030.03319.20
5.4.420.0630.00019.39
5.4.410.0670.00019.23
5.4.400.0630.00018.92
5.4.390.0770.00019.01
5.4.380.0630.00019.13
5.4.370.0870.00019.02
5.4.360.0600.00019.21
5.4.350.0770.00019.00
5.4.340.0060.03512.02
5.4.320.0070.03612.51
5.4.310.0060.03812.51
5.4.300.0060.03612.51
5.4.290.0060.03812.50
5.4.280.0050.03612.40
5.4.270.0050.03712.40
5.4.260.0040.03912.39
5.4.250.0040.03812.40
5.4.240.0070.03612.40
5.4.230.0040.03912.39
5.4.220.0050.03612.39
5.4.210.0010.04012.39
5.4.200.0080.03512.39
5.4.190.0080.04012.39
5.4.180.0080.03512.39
5.4.170.0070.03712.39
5.4.160.0100.03412.40
5.4.150.0050.04612.39
5.4.140.0050.04312.07
5.4.130.0100.03512.06
5.4.120.0030.04012.02
5.4.110.0100.03612.02
5.4.100.0070.03812.02
5.4.90.0080.03812.02
5.4.80.0050.03812.01
5.4.70.0020.04412.01
5.4.60.0030.03712.01
5.4.50.0040.03712.02
5.4.40.0050.03412.00
5.4.30.0040.03712.00
5.4.20.0070.03812.00
5.4.10.0050.03412.00
5.4.00.0050.04111.48
5.3.290.0060.03812.80
5.3.280.0070.03612.71
5.3.270.0090.03412.72
5.3.260.0060.03812.72
5.3.250.0070.04212.72
5.3.240.0070.03512.72
5.3.230.0040.04512.71
5.3.220.0030.04312.68
5.3.210.0060.04012.68
5.3.200.0050.03712.68
5.3.190.0090.03312.68
5.3.180.0060.03512.67
5.3.170.0080.04312.67
5.3.160.0040.03912.68
5.3.150.0070.03512.67
5.3.140.0080.03412.66
5.3.130.0070.04512.66
5.3.120.0070.04512.66
5.3.110.0070.03912.66
5.3.100.0090.03612.12
5.3.90.0030.03912.08
5.3.80.0100.03312.07
5.3.70.0050.03712.08
5.3.60.0090.03612.07
5.3.50.0060.03812.00
5.3.40.0060.03612.00
5.3.30.0040.03611.95
5.3.20.0070.03511.73
5.3.10.0040.03711.70
5.3.00.0060.03411.68
5.2.170.0060.0289.18
5.2.160.0030.0309.18
5.2.150.0040.0309.18
5.2.140.0020.0329.18
5.2.130.0060.0269.14
5.2.120.0050.0269.14
5.2.110.0020.0309.14
5.2.100.0010.0319.14
5.2.90.0070.0259.14
5.2.80.0050.0309.14
5.2.70.0060.0299.14
5.2.60.0030.0319.09
5.2.50.0070.0279.06
5.2.40.0070.0269.03
5.2.30.0020.0329.02
5.2.20.0040.0299.00
5.2.10.0080.0248.92
5.2.00.0060.0308.79
5.1.60.0040.0238.07
5.1.50.0050.0238.07
5.1.40.0050.0238.05
5.1.30.0040.0288.39
5.1.20.0050.0258.41
5.1.10.0040.0258.14
5.1.00.0050.0248.14
5.0.50.0020.0216.62
5.0.40.0050.0226.48
5.0.30.0020.0326.29
5.0.20.0020.0206.27
5.0.10.0050.0196.25
5.0.00.0050.0296.24
4.4.90.0020.0154.78
4.4.80.0040.0144.75
4.4.70.0030.0154.76
4.4.60.0040.0144.76
4.4.50.0040.0144.77
4.4.40.0060.0224.71
4.4.30.0040.0134.75
4.4.20.0020.0244.85
4.4.10.0040.0144.85
4.4.00.0040.0234.76
4.3.110.0020.0224.67
4.3.100.0030.0154.66
4.3.90.0020.0204.63
4.3.80.0010.0254.58
4.3.70.0050.0164.63
4.3.60.0030.0144.63
4.3.50.0040.0194.63
4.3.40.0050.0264.54
4.3.30.0010.0173.28
4.3.20.0060.0193.25
4.3.10.0020.0203.22
4.3.00.0070.01310.39

preferences:
39.81 ms | 401 KiB | 5 Q