3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { function b() { static $count; if (null === $count) { $count = 1; return ['a', 'b']; } return $count++; } } $a = new A; var_dump($a->b()[$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)
8.3.60.0110.00418.39
8.3.50.0100.01221.27
8.3.40.0120.00618.66
8.3.30.0060.00820.25
8.3.20.0000.00820.22
8.3.10.0000.00822.01
8.3.00.0000.00722.39
8.2.180.0070.00716.63
8.2.170.0100.00722.96
8.2.160.0090.00922.21
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0070.00026.16
8.2.120.0040.00420.79
8.2.110.0000.01022.29
8.2.100.0140.00017.63
8.2.90.0030.00619.21
8.2.80.0070.00019.46
8.2.70.0030.00617.63
8.2.60.0050.00317.68
8.2.50.0030.00618.07
8.2.40.0050.00320.07
8.2.30.0050.00319.32
8.2.20.0000.00717.60
8.2.10.0050.00317.68
8.2.00.0030.00617.66
8.1.280.0040.01125.92
8.1.270.0030.00623.99
8.1.260.0050.00326.35
8.1.250.0050.00228.09
8.1.240.0000.01020.69
8.1.230.0040.00717.70
8.1.220.0070.00017.74
8.1.210.0060.00318.77
8.1.200.0030.00717.10
8.1.190.0040.00417.53
8.1.180.0040.00419.01
8.1.170.0000.00818.70
8.1.160.0050.00318.88
8.1.150.0040.00418.67
8.1.140.0000.00717.48
8.1.130.0030.00517.80
8.1.120.0040.00417.44
8.1.110.0000.00717.32
8.1.100.0040.00617.37
8.1.90.0000.00717.42
8.1.80.0070.00017.34
8.1.70.0040.00417.30
8.1.60.0040.00417.57
8.1.50.0050.00317.55
8.1.40.0050.00217.53
8.1.30.0000.00717.61
8.1.20.0040.00417.59
8.1.10.0040.00417.54
8.1.00.0070.00017.61
8.0.300.0070.00018.77
8.0.290.0000.00717.04
8.0.280.0030.00318.36
8.0.270.0070.00017.12
8.0.260.0050.00316.81
8.0.250.0070.00016.81
8.0.240.0000.00716.88
8.0.230.0000.00716.84
8.0.220.0000.00816.85
8.0.210.0030.00516.89
8.0.200.0000.00616.91
8.0.190.0040.00416.95
8.0.180.0070.00016.78
8.0.170.0030.00616.79
8.0.160.0040.00416.82
8.0.150.0030.00616.79
8.0.140.0000.00816.78
8.0.130.0030.00313.33
8.0.120.0040.00416.81
8.0.110.0030.00616.77
8.0.100.0000.00716.84
8.0.90.0030.00316.88
8.0.80.0130.00716.79
8.0.70.0040.00416.91
8.0.60.0030.00516.88
8.0.50.0000.00816.91
8.0.30.0120.01017.16
8.0.20.0090.01017.40
8.0.10.0040.00416.82
8.0.00.0090.01016.67
7.4.330.0060.00015.13
7.4.320.0030.00316.59
7.4.300.0070.00016.63
7.4.290.0040.00416.60
7.4.280.0030.00416.63
7.4.270.0040.00816.51
7.4.260.0030.00313.26
7.4.250.0030.00516.55
7.4.240.0070.00016.47
7.4.230.0000.00716.66
7.4.220.0140.00616.69
7.4.210.0070.00916.50
7.4.200.0040.00416.44
7.4.190.0070.00016.42
7.4.160.0060.01016.30
7.4.150.0030.01317.40
7.4.140.0110.00917.86
7.4.130.0140.00616.50
7.4.120.0080.00816.34
7.4.110.0150.00616.44
7.4.100.0070.01716.42
7.4.90.0080.00916.38
7.4.80.0180.00419.39
7.4.70.0080.00816.40
7.4.60.0110.00716.61
7.4.50.0040.00416.54
7.4.40.0070.00722.77
7.4.30.0100.01016.50
7.4.10.0110.00715.17
7.4.00.0060.00914.90
7.3.330.0000.00513.32
7.3.320.0050.00013.38
7.3.310.0060.00316.27
7.3.300.0000.00616.33
7.3.290.0090.00516.34
7.3.280.0070.00816.37
7.3.270.0100.00717.40
7.3.260.0100.01016.57
7.3.250.0080.01216.50
7.3.240.0070.01016.40
7.3.230.0100.00716.66
7.3.210.0080.00816.48
7.3.200.0070.01019.39
7.3.190.0070.01016.73
7.3.180.0090.00616.32
7.3.170.0080.00816.39
7.3.160.0100.00716.48
7.3.130.0060.00915.00
7.3.120.0020.01314.78
7.3.110.0040.01514.74
7.3.100.0050.00714.92
7.3.90.0100.00714.75
7.3.80.0050.00714.88
7.3.70.0060.00414.84
7.3.60.0060.00714.89
7.3.50.0050.00714.70
7.3.40.0080.00614.78
7.3.30.0020.01314.78
7.3.20.0070.00616.57
7.3.10.0080.00716.52
7.3.00.0050.00816.79
7.2.330.0100.00716.57
7.2.320.0090.01216.58
7.2.310.0110.00716.78
7.2.300.0080.01216.51
7.2.290.0100.00816.78
7.2.260.0140.00315.14
7.2.250.0090.00815.21
7.2.240.0000.01615.14
7.2.230.0060.01115.18
7.2.220.0080.00515.20
7.2.210.0070.00514.84
7.2.200.0050.01014.93
7.2.190.0080.00415.11
7.2.180.0060.00714.94
7.2.170.0020.01314.78
7.2.160.0090.00615.04
7.2.150.0130.00316.70
7.2.140.0090.00617.08
7.2.130.0060.00616.93
7.2.120.0080.00816.95
7.2.110.0120.00617.09
7.2.100.0030.01317.18
7.2.90.0070.00716.85
7.2.80.0060.01216.79
7.2.70.0070.00717.07
7.2.60.0080.00617.09
7.2.50.0060.00916.76
7.2.40.0080.00417.09
7.2.30.0060.01016.93
7.2.20.0030.01216.99
7.2.10.0000.01316.71
7.2.00.0080.00818.27
7.1.330.0080.00615.77
7.1.320.0060.00515.79
7.1.310.0080.00315.73
7.1.300.0060.00415.81
7.1.290.0060.00615.79
7.1.280.0050.00715.71
7.1.270.0050.00715.64
7.1.260.0050.00715.75
7.1.250.0000.01315.80
7.1.240.0070.00715.56
7.1.230.0090.00615.51
7.1.220.0090.00615.79
7.1.210.0030.01415.62
7.1.200.0090.00615.52
7.1.190.0060.00915.72
7.1.180.0060.00915.56
7.1.170.0030.01315.72
7.1.160.0090.00315.98
7.1.150.0030.01015.75
7.1.140.0120.00315.88
7.1.130.0030.00915.65
7.1.120.0130.00315.83
7.1.110.0040.00815.89
7.1.100.0030.01016.99
7.1.90.0060.00915.60
7.1.80.0000.01415.76
7.1.70.0060.00516.47
7.1.60.0050.00917.54
7.1.50.0120.00716.43
7.1.40.0050.00515.74
7.1.30.0030.00915.65
7.1.20.0100.00315.68
7.1.10.0000.01215.79
7.1.00.0070.03818.98
7.0.330.0070.00315.35
7.0.320.0060.00315.12
7.0.310.0030.01015.40
7.0.300.0030.01015.50
7.0.290.0040.01115.52
7.0.280.0140.00015.14
7.0.270.0090.00315.38
7.0.260.0030.01015.49
7.0.250.0100.00715.18
7.0.240.0110.00415.34
7.0.230.0040.00815.56
7.0.220.0030.01015.59
7.0.210.0090.00615.43
7.0.200.0020.01016.12
7.0.190.0070.00715.50
7.0.180.0000.00915.39
7.0.170.0070.00415.31
7.0.160.0000.01315.55
7.0.150.0110.00015.16
7.0.140.0070.03818.57
7.0.130.0030.01415.47
7.0.120.0040.01115.44
7.0.110.0000.01515.54
7.0.100.0020.03017.56
7.0.90.0210.04517.56
7.0.80.0070.03817.64
7.0.70.0100.02417.75
7.0.60.0020.04417.64
7.0.50.0170.03717.92
7.0.40.0080.02316.84
7.0.30.0030.03716.86
7.0.20.0050.02516.86
7.0.10.0080.04216.85
7.0.00.0100.03016.84
5.6.400.0090.00614.33
5.6.390.0040.00414.54
5.6.380.0080.00414.34
5.6.370.0030.01014.53
5.6.360.0030.00614.41
5.6.350.0050.00514.54
5.6.340.0070.01014.75
5.6.330.0070.00714.39
5.6.320.0060.00614.69
5.6.310.0030.00714.01
5.6.300.0040.00814.44
5.6.290.0030.00914.52
5.6.280.0020.04017.67
5.6.270.0090.00414.32
5.6.260.0060.01014.27
5.6.250.0080.03817.60
5.6.240.0070.03017.53
5.6.230.0090.04217.54
5.6.220.0130.03317.51
5.6.210.0050.04317.46
5.6.200.0060.04917.82
5.6.190.0050.02417.66
5.6.180.0080.02717.75
5.6.170.0110.03917.81
5.6.160.0050.04717.83
5.6.150.0090.04517.69
5.6.140.0110.02317.76
5.6.130.0030.04417.78
5.6.120.0110.03317.67
5.6.110.0110.04317.63
5.6.100.0070.04017.69
5.6.90.0020.03017.73
5.6.80.0050.03717.45
5.6.70.0070.03117.51
5.6.60.0030.02917.42
5.6.50.0030.03117.29
5.6.40.0070.04317.24
5.6.30.0120.01917.32
5.6.20.0000.03217.32
5.6.10.0050.02517.32
5.6.00.0090.04117.23
5.5.380.0030.03017.32
5.5.370.0110.02517.41
5.5.360.0090.04117.18
5.5.350.0050.04117.23
5.5.340.0070.02817.50
5.5.330.0120.03717.65
5.5.320.0100.04117.71
5.5.310.0100.04517.65
5.5.300.0020.03317.65
5.5.290.0070.03017.54
5.5.280.0070.02317.47
5.5.270.0030.04917.74
5.5.260.0070.04417.55
5.5.250.0010.04617.44
5.5.240.0070.02917.12
5.5.230.0120.04017.01
5.5.220.0100.04017.23
5.5.210.0110.02317.16
5.5.200.0100.04717.20
5.5.190.0060.03817.20
5.5.180.0070.04517.11
5.5.170.0040.00814.45
5.5.160.0070.03017.33
5.5.150.0080.04217.12
5.5.140.0080.03817.38
5.5.130.0060.02817.12
5.5.120.0100.02517.20
5.5.110.0030.03317.34
5.5.100.0070.04217.11
5.5.90.0070.04317.22
5.5.80.0080.03017.13
5.5.70.0100.02517.01
5.5.60.0070.04317.04
5.5.50.0110.03617.07
5.5.40.0060.02516.98
5.5.30.0100.03917.04
5.5.20.0040.02817.08
5.5.10.0050.04417.10
5.5.00.0030.03617.10
5.4.450.0030.03916.62
5.4.440.0060.03616.58
5.4.430.0080.04316.61
5.4.420.0110.02016.60
5.4.410.0050.03316.49
5.4.400.0060.04216.35
5.4.390.0040.04416.39
5.4.380.0070.01916.45
5.4.370.0050.02316.36
5.4.360.0050.03716.35
5.4.350.0050.02516.35
5.4.340.0050.03316.34
5.4.330.0040.00413.65
5.4.320.0060.03516.25
5.4.310.0080.03816.34
5.4.300.0090.02316.41
5.4.290.0050.04516.37
5.4.280.0120.03516.35
5.4.270.0090.03816.41
5.4.260.0070.02816.44
5.4.250.0020.03016.37
5.4.240.0060.04016.41
5.4.230.0060.03016.34
5.4.220.0030.02816.29
5.4.210.0050.04316.33
5.4.200.0020.02916.34
5.4.190.0050.02316.26
5.4.180.0050.04016.39
5.4.170.0100.03816.38
5.4.160.0050.03916.24
5.4.150.0100.04216.34
5.4.140.0080.04014.92
5.4.130.0030.03015.01
5.4.120.0070.03115.02
5.4.110.0030.04015.02
5.4.100.0050.04215.00
5.4.90.0110.02715.07
5.4.80.0020.04215.01
5.4.70.0110.04015.01
5.4.60.0090.03715.05
5.4.50.0080.03515.05
5.4.40.0060.03615.02
5.4.30.0070.02814.99
5.4.20.0050.03915.01
5.4.10.0030.04315.04
5.4.00.0120.01814.71
5.3.290.0070.03714.19
5.3.280.0020.02314.18
5.3.270.0050.03714.14
5.3.260.0100.02014.13
5.3.250.0050.04214.09
5.3.240.0060.03214.14
5.3.230.0050.04214.11
5.3.220.0110.01714.12
5.3.210.0050.03314.07
5.3.200.0040.03514.15
5.3.190.0030.02614.09
5.3.180.0020.04014.16
5.3.170.0060.04114.09
5.3.160.0080.03514.09
5.3.150.0050.02214.16
5.3.140.0080.03314.16
5.3.130.0030.04114.08
5.3.120.0080.03714.08
5.3.110.0030.03614.11
5.3.100.0010.03813.84
5.3.90.0050.03713.90
5.3.80.0020.03713.89
5.3.70.0020.02913.78
5.3.60.0080.03413.88
5.3.50.0070.03713.76
5.3.40.0030.04213.79
5.3.30.0050.03813.78
5.3.20.0030.02813.61
5.3.10.0050.03713.72
5.3.00.0050.03913.64
5.2.170.0070.05711.08
5.2.160.0070.05311.03
5.2.150.0070.05011.23
5.2.140.0130.05011.21
5.2.130.0070.06311.09
5.2.120.0070.05011.16
5.2.110.0030.04310.98
5.2.100.0030.06311.15
5.2.90.0070.05711.16
5.2.80.0070.03011.13
5.2.70.0030.05311.02
5.2.60.0030.06311.14
5.2.50.0100.06311.02
5.2.40.0070.03010.85
5.2.30.0030.05311.02
5.2.20.0130.05310.91
5.2.10.0030.04711.00
5.2.00.0070.06010.80
5.1.60.0000.0579.88
5.1.50.0100.04710.07
5.1.40.0030.0479.86
5.1.30.0130.04710.25
5.1.20.0030.05710.27
5.1.10.0000.0309.92
5.1.00.0000.03010.19
5.0.50.0030.0478.61
5.0.40.0030.0338.51
5.0.30.0030.0478.22
5.0.20.0030.0338.08
5.0.10.0000.0378.27
5.0.00.0070.0608.16
4.4.90.0030.0378.08
4.4.80.0030.0308.08
4.4.70.0000.0278.08
4.4.60.0000.0378.08
4.4.50.0030.0338.08
4.4.40.0030.0508.08
4.4.30.0070.0338.08
4.4.20.0000.0378.08
4.4.10.0030.0378.08
4.4.00.0030.0308.08
4.3.110.0000.0378.08
4.3.100.0030.0208.08
4.3.90.0000.0278.08
4.3.80.0000.0438.08
4.3.70.0070.0278.08
4.3.60.0000.0278.08
4.3.50.0100.0278.08
4.3.40.0000.0438.08
4.3.30.0030.0178.08
4.3.20.0000.0308.08
4.3.10.0000.0238.08
4.3.00.0030.0238.08

preferences:
48.34 ms | 401 KiB | 5 Q