3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public $a; public function __construct(){ echo('Very well!'); $this->a = 'X'; } public function e(){ $a = function(){ echo($this->a); echo('OK'); }; $a(); } } $x = new A; $x->e();

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)
8.3.60.0140.00716.75
8.3.50.0150.00717.38
8.3.40.0070.00718.84
8.3.30.0110.00418.66
8.3.20.0000.00818.91
8.3.10.0060.00320.48
8.3.00.0040.00419.38
8.2.180.0070.01416.75
8.2.170.0070.00722.96
8.2.160.0160.00322.06
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00419.76
8.2.110.0000.00922.16
8.2.100.0110.00017.72
8.2.90.0050.00319.26
8.2.80.0000.00717.97
8.2.70.0060.00317.48
8.2.60.0040.00417.80
8.2.50.0030.00618.07
8.2.40.0040.00418.16
8.2.30.0070.00017.93
8.2.20.0040.00417.60
8.2.10.0040.00817.70
8.2.00.0000.00917.55
8.1.280.0190.00325.92
8.1.270.0080.00024.66
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0060.00320.76
8.1.230.0110.00020.89
8.1.220.0030.00618.77
8.1.210.0000.00818.77
8.1.200.0000.00817.36
8.1.190.0040.00417.66
8.1.180.0080.00018.10
8.1.170.0000.00818.84
8.1.160.0040.00418.80
8.1.150.0050.00218.55
8.1.140.0070.00017.31
8.1.130.0040.00417.74
8.1.120.0030.00417.37
8.1.110.0040.00417.33
8.1.100.0000.00717.46
8.1.90.0080.00017.39
8.1.80.0000.00717.46
8.1.70.0070.00317.41
8.1.60.0000.00717.58
8.1.50.0000.00817.45
8.1.40.0050.00217.52
8.1.30.0050.00317.66
8.1.20.0030.00617.56
8.1.10.0040.00417.55
8.1.00.0040.00417.33
8.0.300.0000.00919.98
8.0.290.0040.00416.75
8.0.280.0000.00718.36
8.0.270.0030.00317.16
8.0.260.0030.00318.34
8.0.250.0070.00016.84
8.0.240.0000.01016.98
8.0.230.0040.00416.77
8.0.220.0040.00416.75
8.0.210.0070.00016.72
8.0.200.0030.00316.82
8.0.190.0030.00316.83
8.0.180.0040.00416.91
8.0.170.0030.00616.93
8.0.160.0000.00716.97
8.0.150.0030.00616.84
8.0.140.0000.00816.89
8.0.130.0060.00013.32
8.0.120.0030.00616.85
8.0.110.0030.00316.76
8.0.100.0000.00716.86
8.0.90.0000.00716.75
8.0.80.0090.00616.87
8.0.70.0000.00716.82
8.0.60.0050.00316.71
8.0.50.0040.00416.78
8.0.30.0110.01017.13
8.0.20.0030.01517.09
8.0.10.0040.00417.03
8.0.00.0150.01316.71
7.4.330.0000.00513.04
7.4.320.0030.00316.42
7.4.300.0000.00616.49
7.4.290.0040.00416.59
7.4.280.0050.00516.51
7.4.270.0000.00616.50
7.4.260.0030.00313.38
7.4.250.0000.00816.40
7.4.240.0030.00316.42
7.4.230.0070.00016.57
7.4.220.0040.01216.54
7.4.210.0080.00716.61
7.4.200.0070.00016.68
7.4.190.0000.00716.68
7.4.160.0100.00716.30
7.4.150.0120.00816.45
7.4.140.0110.00616.48
7.4.130.0090.00916.39
7.4.120.0080.01116.52
7.4.110.0030.01316.52
7.4.100.0100.00716.55
7.4.90.0080.01516.39
7.4.80.0100.00616.32
7.4.70.0100.00716.57
7.4.60.0130.00616.31
7.4.50.0050.00016.52
7.4.40.0030.01016.43
7.4.30.0030.01216.27
7.4.00.0040.01314.98
7.3.330.0030.00313.29
7.3.320.0080.00013.26
7.3.310.0070.00016.19
7.3.300.0040.00416.15
7.3.290.0060.00916.40
7.3.280.0070.01016.29
7.3.270.0130.00316.31
7.3.260.0100.01116.28
7.3.250.0110.01016.40
7.3.240.0120.00616.36
7.3.230.0030.01316.57
7.3.210.0080.01216.66
7.3.200.0210.00019.39
7.3.190.0130.00416.35
7.3.180.0070.01016.30
7.3.170.0100.00716.24
7.3.160.0070.01416.27
7.3.120.0050.01214.85
7.3.110.0100.01014.96
7.3.100.0060.00914.66
7.3.90.0150.00314.81
7.3.80.0090.00914.98
7.3.70.0090.00914.54
7.3.60.0090.00614.60
7.3.50.0100.00714.35
7.3.40.0090.00614.76
7.3.30.0030.01314.72
7.3.20.0090.00616.61
7.3.10.0100.00816.36
7.3.00.0100.00616.56
7.2.330.0090.00916.52
7.2.320.0030.01316.86
7.2.310.0090.00916.57
7.2.300.0100.00616.44
7.2.290.0070.01016.69
7.2.250.0030.01315.29
7.2.240.0060.01515.21
7.2.230.0040.01114.98
7.2.220.0120.00314.98
7.2.210.0030.01314.95
7.2.200.0060.00614.93
7.2.190.0040.01114.97
7.2.180.0000.01514.69
7.2.170.0060.00915.06
7.2.130.0130.00716.60
7.2.120.0000.01316.61
7.2.110.0080.00816.77
7.2.100.0080.00916.64
7.2.90.0030.00716.74
7.2.80.0070.00916.65
7.2.70.0090.00516.73
7.2.60.0150.00216.47
7.2.50.0090.00316.86
7.2.40.0030.01016.70
7.2.30.0090.00516.99
7.2.20.0090.00416.79
7.2.10.0090.00916.79
7.2.00.0050.00917.75
7.1.330.0040.01115.87
7.1.320.0030.01415.60
7.1.310.0040.01115.79
7.1.300.0000.01515.67
7.1.290.0100.00315.69
7.1.280.0000.01015.81
7.1.270.0000.01615.66
7.1.260.0040.00815.71
7.1.250.0090.00915.47
7.1.240.0060.00915.58
7.1.230.0050.00515.71
7.1.220.0040.01515.53
7.1.210.0000.01215.54
7.1.200.0030.01015.61
7.1.190.0100.00315.60
7.1.180.0000.01415.78
7.1.170.0030.00715.78
7.1.160.0000.00815.60
7.1.150.0070.01015.88
7.1.140.0000.01315.38
7.1.130.0070.00715.53
7.1.120.0030.00815.64
7.1.110.0000.00715.77
7.1.100.0080.00316.80
7.1.90.0060.00615.55
7.1.80.0030.01315.41
7.1.70.0050.00316.45
7.1.60.0080.01217.53
7.1.50.0090.00816.28
7.1.40.0060.00915.67
7.1.30.0130.00315.46
7.1.20.0040.00815.78
7.1.10.0060.00915.80
7.1.00.0070.03819.05
7.0.330.0100.00315.39
7.0.320.0000.01615.52
7.0.310.0110.00415.48
7.0.300.0030.00715.56
7.0.290.0000.01415.40
7.0.280.0030.01215.23
7.0.270.0080.00414.97
7.0.260.0060.00615.24
7.0.250.0090.00615.37
7.0.240.0030.01015.45
7.0.230.0030.00315.45
7.0.220.0070.00715.49
7.0.210.0040.01215.48
7.0.200.0070.00316.05
7.0.190.0080.00015.46
7.0.180.0070.00715.41
7.0.170.0100.00715.39
7.0.160.0040.01115.36
7.0.150.0100.00315.42
7.0.140.0020.04118.72
7.0.130.0040.01115.38
7.0.120.0050.03818.65
7.0.110.0080.00315.47
7.0.100.0060.00915.46
7.0.90.0060.00915.33
7.0.80.0060.00615.47
7.0.70.0000.00815.40
7.0.60.0040.03217.57
7.0.50.0070.04516.66
7.0.40.0050.05016.66
7.0.30.0180.03016.76
7.0.20.0120.03116.76
7.0.10.0050.04216.84
7.0.00.0030.05016.86
5.6.380.0070.01014.46
5.6.370.0030.01214.59
5.6.360.0040.01114.46
5.6.350.0080.00414.61
5.6.340.0070.01014.25
5.6.330.0030.01014.58
5.6.320.0110.00414.17
5.6.310.0030.00614.20
5.6.300.0030.01014.49
5.6.290.0000.01514.32
5.6.280.0040.01114.39
5.6.270.0110.00314.24
5.6.260.0030.01014.34
5.6.250.0130.00014.66
5.6.240.0060.00314.17
5.6.230.0080.00014.16
5.6.220.0030.01314.37
5.6.210.0130.04117.49
5.6.200.0080.02816.30
5.6.190.0080.03517.40
5.6.180.0220.02517.37
5.6.170.0160.02117.41
5.6.160.0070.03217.43
5.6.150.0050.03016.35
5.6.140.0070.04416.23
5.6.130.0040.04616.26
5.6.120.0000.05217.68
5.6.110.0080.03717.64
5.6.100.0050.04417.70
5.6.90.0080.03317.59
5.6.80.0050.04417.31
5.6.70.2380.02617.39
5.6.60.0000.01314.15
5.6.50.0080.00614.13
5.6.40.0080.00814.09
5.6.30.0000.01314.20
5.6.20.0040.01114.40
5.6.10.0030.01014.52
5.6.00.0070.00714.13
5.5.380.0040.00711.51
5.5.370.0030.00711.10
5.5.360.0070.00011.23
5.5.350.0040.04115.82
5.5.340.0090.03714.59
5.5.330.0060.04615.90
5.5.320.0170.03915.69
5.5.310.0100.03515.82
5.5.300.0020.02214.57
5.5.290.0020.02514.67
5.5.280.0030.02516.18
5.5.270.0080.04316.01
5.5.260.0090.04515.93
5.5.250.0020.03115.85
5.5.240.0000.04015.75
5.5.230.0030.00910.96
5.5.220.0000.00911.21
5.5.210.0000.00610.89
5.5.200.0100.00311.32
5.5.190.0000.01011.00
5.5.180.0000.01110.97
5.5.170.0060.00611.32
5.5.160.0060.00311.20
5.5.150.0110.00010.63
5.5.140.0000.01010.99
5.5.130.0060.00311.10
5.5.120.0030.00311.32
5.5.110.0070.00311.36
5.5.100.0110.00011.26
5.5.90.0030.00911.23
5.5.80.0080.00411.26
5.5.70.0070.00011.41
5.5.60.0030.00611.34
5.5.50.0100.00311.42
5.5.40.0070.00711.16
5.5.30.0030.00711.36
5.5.20.0030.00310.95
5.5.10.0140.00010.93
5.5.00.0030.00711.31
5.4.450.0050.04315.10
5.4.440.0050.03815.34
5.4.430.0000.04515.39
5.4.420.0030.04115.08
5.4.410.0100.02015.38
5.4.400.0070.03515.03
5.4.390.0020.02915.17
5.4.380.0030.04115.13
5.4.370.0030.04515.18
5.4.360.0050.03915.03
5.4.350.0060.03815.09
5.4.340.0060.03915.05
5.4.330.0000.01011.15
5.4.320.0030.04214.97
5.4.310.0080.03115.00
5.4.300.0050.02814.96
5.4.290.0030.02815.21
5.4.280.0080.04015.24
5.4.270.0070.02315.03
5.4.260.0020.02315.21
5.4.250.0020.02915.06
5.4.240.0070.03714.95
5.4.230.0050.04315.09
5.4.220.0030.02314.95
5.4.210.0060.03015.09
5.4.200.0050.03814.99
5.4.190.0080.03514.98
5.4.180.0050.03415.17
5.4.170.0060.03215.25
5.4.160.0050.02015.05
5.4.150.0020.03615.12
5.4.140.0060.02513.83
5.4.130.0060.01813.87
5.4.120.0080.02213.81
5.4.110.0030.04313.74
5.4.100.0050.02813.79
5.4.90.0070.04013.76
5.4.80.0100.02313.72
5.4.70.0000.04013.76
5.4.60.0050.02013.63
5.4.50.0020.02513.77
5.4.40.0110.03313.77
5.4.30.0060.01813.86
5.4.20.0050.02913.64
5.4.10.0110.01813.60
5.4.00.0020.02913.50
5.3.290.0090.02712.77
5.3.280.0050.04012.57
5.3.270.0030.04412.67
5.3.260.0050.02712.64
5.3.250.0120.01812.72
5.3.240.0050.02512.50
5.3.230.0030.03812.53
5.3.220.0030.03512.45
5.3.210.0030.02712.59
5.3.200.0030.04112.47
5.3.190.0060.04112.58
5.3.180.0000.03612.67
5.3.170.0070.02212.52
5.3.160.0070.03712.50
5.3.150.0080.02212.69
5.3.140.0030.02212.47
5.3.130.0050.02212.49
5.3.120.0040.03812.59
5.3.110.0060.02612.59
5.3.100.0070.03212.35
5.3.90.0000.03312.37
5.3.80.0050.02112.24
5.3.70.0030.04112.31
5.3.60.0000.03412.18
5.3.50.0060.02612.26
5.3.40.0080.03812.28
5.3.30.0090.02812.23
5.3.20.0070.03412.11
5.3.10.0070.03312.01
5.3.00.0070.03511.89
5.2.170.0050.03410.64
5.2.160.0050.02110.66
5.2.150.0070.02710.69
5.2.140.0030.02610.60
5.2.130.0060.02310.66
5.2.120.0030.02810.68
5.2.110.0060.03110.62
5.2.100.0060.03210.64
5.2.90.0020.04010.66
5.2.80.0050.01810.60
5.2.70.0070.01810.63
5.2.60.0070.03710.62
5.2.50.0090.02710.58
5.2.40.0080.02710.59
5.2.30.0050.03110.57
5.2.20.0030.03210.58
5.2.10.0030.03110.52
5.2.00.0030.01710.45
5.1.60.0020.02410.05
5.1.50.0040.01510.08
5.1.40.0110.02210.09
5.1.30.0010.03110.29
5.1.20.0020.02010.29
5.1.10.0020.02110.15
5.1.00.0010.01610.11
5.0.50.0050.0249.44
5.0.40.0070.0159.28
5.0.30.0020.0209.22
5.0.20.0010.0189.22
5.0.10.0030.0129.15
5.0.00.0000.0229.20
4.4.90.0020.0179.00
4.4.80.0020.0189.00
4.4.70.0000.0129.00
4.4.60.0060.0159.00
4.4.50.0000.0129.00
4.4.40.0020.0169.00
4.4.30.0020.0119.00
4.4.20.0020.0109.00
4.4.10.0020.0089.00
4.4.00.0020.0299.00
4.3.110.0020.0139.00
4.3.100.0020.0179.00
4.3.90.0020.0139.00
4.3.80.0000.0329.00
4.3.70.0020.0209.00
4.3.60.0020.0159.00
4.3.50.0030.0109.00
4.3.40.0050.0229.00
4.3.30.0000.0169.00
4.3.20.0010.0219.00
4.3.10.0000.0219.00
4.3.00.0030.0159.00

preferences:
56.74 ms | 401 KiB | 5 Q