3v4l.org

run code in 300+ PHP versions simultaneously
<?php class X { public function __construct($a = 0) { $a = 33; $this->a(); } protected function a() { global $a; echo $a.'x'; var_dump(get_defined_vars()); } } $x = new X(); $x->a();

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)
8.3.60.0070.01018.56
8.3.50.0060.00816.36
8.3.40.0140.00018.96
8.3.30.0080.00818.79
8.3.20.0100.00020.33
8.3.10.0080.00021.95
8.3.00.0000.00820.84
8.2.180.0070.00718.26
8.2.170.0140.00022.96
8.2.160.0100.01022.13
8.2.150.0000.00824.18
8.2.140.0000.00824.66
8.2.130.0030.00522.25
8.2.120.0000.00726.35
8.2.110.0030.00620.25
8.2.100.0060.00617.83
8.2.90.0050.00319.09
8.2.80.0040.00417.97
8.2.70.0040.00417.50
8.2.60.0030.00618.04
8.2.50.0040.00418.10
8.2.40.0040.00422.15
8.2.30.0000.00821.04
8.2.20.0070.00018.10
8.2.10.0050.00218.08
8.2.00.0040.00418.17
8.1.280.0110.00325.92
8.1.270.0030.00523.71
8.1.260.0050.00326.35
8.1.250.0020.00528.09
8.1.240.0040.01422.68
8.1.230.0080.00319.16
8.1.220.0060.00317.77
8.1.210.0000.00818.77
8.1.200.0030.00617.48
8.1.190.0040.00417.23
8.1.180.0070.00018.10
8.1.170.0080.00018.43
8.1.160.0030.00319.00
8.1.150.0000.00718.75
8.1.140.0000.00719.48
8.1.130.0030.00318.82
8.1.120.0070.00017.41
8.1.110.0040.00417.40
8.1.100.0080.00017.39
8.1.90.0000.00817.43
8.1.80.0050.00217.44
8.1.70.0080.00017.40
8.1.60.0040.00417.53
8.1.50.0030.00617.55
8.1.40.0000.00817.38
8.1.30.0000.00917.62
8.1.20.0040.00417.66
8.1.10.0030.00617.46
8.1.00.0030.00517.52
8.0.300.0000.00718.77
8.0.290.0070.00016.86
8.0.280.0000.00818.45
8.0.270.0030.00317.32
8.0.260.0070.00016.79
8.0.250.0000.00717.00
8.0.240.0040.00416.77
8.0.230.0040.00416.91
8.0.220.0040.00416.87
8.0.210.0000.00716.88
8.0.200.0030.00317.06
8.0.190.0030.00617.00
8.0.180.0020.00516.88
8.0.170.0000.00716.98
8.0.160.0060.00316.96
8.0.150.0040.00416.92
8.0.140.0070.00016.84
8.0.130.0000.00713.41
8.0.120.0050.00316.85
8.0.110.0000.00816.98
8.0.100.0000.00716.92
8.0.90.0040.00416.96
8.0.80.0030.01816.91
8.0.70.0070.00016.92
8.0.60.0040.00417.02
8.0.50.0030.00616.83
8.0.30.0100.00817.15
8.0.20.0140.00817.40
8.0.10.0060.00317.13
8.0.00.0110.00616.52
7.4.330.0000.00515.55
7.4.320.0060.00016.44
7.4.300.0020.00516.49
7.4.290.0090.00016.43
7.4.280.0000.00916.60
7.4.270.0040.00416.59
7.4.260.0000.00716.58
7.4.250.0020.00516.61
7.4.240.0040.00416.40
7.4.230.0030.00316.35
7.4.220.0070.01116.41
7.4.210.0110.00316.50
7.4.200.0000.00716.39
7.4.160.0110.00516.55
7.4.150.0090.00917.40
7.4.140.0130.00317.86
7.4.130.0150.00616.57
7.4.120.0120.00816.47
7.4.110.0140.01016.38
7.4.100.0110.00616.59
7.4.90.0050.01316.48
7.4.80.0170.00019.39
7.4.70.0100.00616.50
7.4.60.0110.00716.52
7.4.50.0060.00916.48
7.4.40.0130.00316.55
7.4.30.0090.01216.41
7.4.10.0100.01015.01
7.4.00.0110.00714.94
7.3.330.0000.00513.29
7.3.320.0000.00513.31
7.3.310.0030.00316.40
7.3.300.0030.00316.18
7.3.290.0070.01116.37
7.3.280.0070.01016.33
7.3.270.0090.00917.40
7.3.260.0110.01116.51
7.3.250.0030.01516.41
7.3.240.0080.00816.47
7.3.230.0120.01216.41
7.3.210.0130.00916.46
7.3.200.0030.01316.57
7.3.190.0060.00916.24
7.3.180.0060.01116.42
7.3.170.0090.00616.47
7.3.160.0090.01216.54
7.3.130.0060.01314.88
7.3.120.0160.00314.61
7.3.110.0110.01115.01
7.3.100.0040.01515.04
7.3.90.0070.01114.75
7.3.80.0040.00914.98
7.3.70.0070.00714.92
7.3.60.0160.00014.75
7.3.50.0050.00514.79
7.3.40.0070.00714.94
7.3.30.0040.01114.65
7.3.20.0040.00816.68
7.3.10.0070.00616.51
7.3.00.0070.00516.41
7.2.330.0120.00416.38
7.2.320.0130.01016.82
7.2.310.0040.01416.73
7.2.300.0110.00616.82
7.2.290.0130.00416.40
7.2.260.0070.01315.23
7.2.250.0070.01015.23
7.2.240.0070.00715.03
7.2.230.0040.01415.13
7.2.220.0060.01214.74
7.2.210.0100.00315.35
7.2.200.0030.01314.94
7.2.190.0040.01114.96
7.2.180.0060.00615.07
7.2.170.0120.00615.11
7.2.160.0100.00715.21
7.2.150.0030.01017.07
7.2.140.0070.00716.94
7.2.130.0020.01316.68
7.2.120.0040.00916.63
7.2.110.0090.00516.71
7.2.100.0050.01016.70
7.2.90.0070.00716.77
7.2.80.0050.01116.83
7.2.70.0100.00816.58
7.2.60.0040.01216.71
7.2.50.0110.00316.75
7.2.40.0080.00616.79
7.2.30.0100.00816.79
7.2.20.0060.01016.76
7.2.10.0150.00316.83
7.2.00.0060.00917.74
7.1.330.0090.00915.71
7.1.320.0070.01115.41
7.1.310.0070.01015.85
7.1.300.0000.01015.68
7.1.290.0030.00715.54
7.1.280.0060.01015.80
7.1.270.0060.00915.54
7.1.260.0090.00015.62
7.1.250.0100.00315.59
7.1.240.0030.01015.73
7.1.230.0060.01215.75
7.1.220.0040.01115.58
7.1.210.0080.00415.58
7.1.200.0070.01015.57
7.1.190.0040.01415.46
7.1.180.0070.01015.70
7.1.170.0110.00415.76
7.1.160.0060.00915.81
7.1.150.0140.00315.65
7.1.140.0100.00315.66
7.1.130.0030.01315.54
7.1.120.0040.00415.71
7.1.110.0090.00315.85
7.1.100.0080.00516.92
7.1.90.0120.00315.88
7.1.80.0070.00715.63
7.1.70.0040.00616.39
7.1.60.0450.01224.47
7.1.50.0510.00824.41
7.1.40.0130.01024.05
7.1.30.0400.01424.08
7.1.20.0280.00824.10
7.1.10.0030.01015.20
7.1.00.0320.01315.28
7.0.330.0030.01015.07
7.0.320.0070.01015.13
7.0.310.0060.00615.32
7.0.300.0030.00915.16
7.0.290.0090.00915.18
7.0.280.0000.01515.27
7.0.270.0040.01115.27
7.0.260.0000.00815.41
7.0.250.0030.00915.18
7.0.240.0030.00915.19
7.0.230.0040.01115.49
7.0.220.0030.01015.36
7.0.210.0060.00315.35
7.0.200.0320.01015.00
7.0.190.0330.00814.86
7.0.180.0060.00614.91
7.0.170.0270.00814.80
7.0.160.0460.01014.85
7.0.150.0050.00914.94
7.0.140.0080.00514.81
7.0.130.0280.00515.04
7.0.120.0290.00615.13
7.0.110.0030.01014.89
7.0.100.0270.00714.71
7.0.90.0290.00514.76
7.0.80.0250.00614.79
7.0.70.0220.01114.98
7.0.60.0250.01114.66
7.0.50.0300.00314.82
7.0.40.0250.00713.92
7.0.30.0240.00913.94
7.0.20.0280.00813.86
7.0.10.0310.00213.95
7.0.00.0330.00813.91
5.6.400.0070.01014.24
5.6.390.0060.00914.45
5.6.380.0090.00414.23
5.6.370.0090.00614.30
5.6.360.0090.00614.24
5.6.350.0100.00314.31
5.6.340.0000.00914.51
5.6.330.0040.00714.41
5.6.320.0030.01314.61
5.6.310.0030.01014.48
5.6.300.0080.00714.52
5.6.290.0030.01014.10
5.6.280.0050.00514.59
5.6.270.0060.00614.16
5.6.260.0070.00714.28
5.6.250.0070.01014.55
5.6.240.0080.00614.44
5.6.230.0040.00714.16
5.6.220.0000.01114.45
5.6.210.0040.00714.30
5.6.200.0040.01114.36
5.6.190.0040.01114.43
5.6.180.0000.01014.49
5.6.170.0030.01014.36
5.6.160.0050.00314.07
5.6.150.0060.00614.68
5.6.140.0030.00714.57
5.6.130.0030.01014.43
5.6.120.0030.00714.36
5.6.110.0070.00714.63
5.6.100.0040.00414.12
5.6.90.0040.01414.45
5.6.80.0100.00714.08
5.6.70.0000.01314.09
5.6.60.0060.00914.27
5.6.50.0090.00314.05
5.6.40.0040.00814.42
5.6.30.0070.00414.44
5.6.20.0040.00814.16
5.6.10.0000.01314.38
5.6.00.0070.00714.27

preferences:
52.17 ms | 401 KiB | 5 Q