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run code in 300+ PHP versions simultaneously
<?php namespace Foo; class Loader { public function __construct() { spl_autoload_register([$this, 'load']); } public static function load() {} } spl_autoload_register(['Loader', 'load']); new Loader(); var_dump(spl_autoload_functions());

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
8.3.50.0090.00618.05
8.3.40.0090.00618.84
8.3.30.0120.00918.74
8.3.20.0050.00320.10
8.3.10.0000.00723.56
8.3.00.0080.00019.38
8.2.180.0140.00716.75
8.2.170.0090.00622.96
8.2.160.0030.01320.51
8.2.150.0000.00825.66
8.2.140.0030.00524.66
8.2.130.0090.00019.23
8.2.120.0040.00426.35
8.2.110.0100.00021.04
8.2.100.0070.00417.80
8.2.90.0040.00419.05
8.2.80.0000.00817.97
8.2.70.0060.00317.50
8.2.60.0070.00017.80
8.2.50.0040.00418.07
8.2.40.0040.00419.17
8.2.30.0000.00720.61
8.2.20.0060.00317.73
8.2.10.0040.00417.91
8.2.00.0000.00718.03
8.1.270.0060.00323.88
8.1.260.0140.00028.09
8.1.250.0040.00428.09
8.1.240.0060.00617.23
8.1.230.0100.00317.55
8.1.220.0040.00417.74
8.1.210.0060.00318.77
8.1.200.0000.01017.22
8.1.190.0050.00317.10
8.1.180.0040.00418.10
8.1.170.0030.00518.78
8.1.160.0000.00822.00
8.1.150.0000.00818.76
8.1.140.0040.00419.44
8.1.130.0030.00317.52
8.1.120.0000.00817.34
8.1.110.0000.00717.36
8.1.100.0040.00417.35
8.1.90.0000.00817.32
8.1.80.0000.00817.34
8.1.70.0060.00317.26
8.1.60.0030.00617.52
8.1.50.0080.00017.49
8.1.40.0060.00317.44
8.1.30.0030.00517.51
8.1.20.0000.00717.50
8.1.10.0000.00717.48
8.1.00.0060.00617.32
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0070.00018.37
8.0.270.0030.00317.09
8.0.260.0000.00817.11
8.0.250.0070.00016.84
8.0.240.0050.00316.89
8.0.230.0030.00316.92
8.0.220.0000.00816.82
8.0.210.0040.00416.75
8.0.200.0030.00316.96
8.0.190.0030.00516.92
8.0.180.0070.00316.89
8.0.170.0090.00016.88
8.0.160.0050.00316.81
8.0.150.0030.00516.79
8.0.140.0000.00716.89
8.0.130.0060.00013.32
8.0.120.0030.00516.73
8.0.110.0040.00416.81
8.0.100.0040.00416.74
8.0.90.0000.00716.77
8.0.80.0100.00716.83
8.0.70.0080.00016.93
8.0.60.0000.00716.77
8.0.50.0030.00516.70
8.0.30.0090.01116.95
8.0.20.0140.00717.40
8.0.10.0000.00816.85
8.0.00.0050.01316.61
7.4.330.0000.00516.68
7.4.320.0030.00316.37
7.4.300.0030.00316.47
7.4.290.0030.00316.43
7.4.280.0040.00416.40
7.4.270.0030.00316.56
7.4.260.0080.00016.40
7.4.250.0040.00416.42
7.4.240.0020.00516.44
7.4.230.0070.00016.41
7.4.220.0120.00616.37
7.4.210.0030.01216.48
7.4.200.0000.00716.54
7.4.160.0150.00016.49
7.4.150.0190.00717.40
7.4.140.0160.00717.86
7.4.130.0110.00616.32
7.4.120.0130.00816.49
7.4.110.0090.00916.52
7.4.100.0100.00616.48
7.4.90.0140.00816.34
7.4.80.0120.00619.39
7.4.70.0110.00916.21
7.4.60.0110.00616.42
7.4.50.0000.01516.34
7.4.40.0000.01616.46
7.4.30.0030.01316.53
7.4.10.0120.00616.59
7.4.00.0100.00615.33
7.3.330.0000.00613.12
7.3.320.0030.00313.25
7.3.310.0040.00416.11
7.3.300.0000.00716.25
7.3.290.0090.00816.27
7.3.280.0100.00716.29
7.3.270.0060.01217.40
7.3.260.0070.01016.22
7.3.240.0070.01016.25
7.3.230.0100.00716.43
7.3.210.0100.00716.39
7.3.200.0080.00816.27
7.3.190.0030.01316.48
7.3.180.0130.00316.27
7.3.170.0090.00616.48
7.3.160.0070.01016.48
7.3.130.0030.01416.48
7.3.120.0090.00615.70
7.3.110.0060.01015.53
7.3.100.0030.01015.61
7.3.90.0070.00515.54
7.3.80.0090.00315.45
7.3.70.0050.00715.42
7.3.60.0060.00615.60
7.3.50.0070.00215.39
7.3.40.0060.00915.46
7.3.30.0030.00915.44
7.3.20.0080.00717.24
7.3.10.0040.01117.38
7.3.00.0020.01217.37
7.2.330.0100.00716.68
7.2.320.0160.00616.30
7.2.310.0060.01116.44
7.2.300.0120.00916.59
7.2.290.0110.01116.25
7.2.260.0000.01916.47
7.2.250.0080.01115.86
7.2.240.0090.00715.64
7.2.230.0100.00715.72
7.2.220.0070.00715.43
7.2.210.0080.00615.79
7.2.200.0050.00815.69
7.2.190.0030.01015.63
7.2.180.0070.00715.74
7.2.170.0080.00715.56
7.2.160.0060.00815.54
7.2.150.0040.01317.64
7.2.140.0020.01317.63
7.2.130.0090.00517.49
7.2.120.0050.00817.54
7.2.110.0080.00817.35
7.2.100.0050.00617.52
7.2.90.0050.00917.56
7.2.80.0020.01417.46
7.2.70.0110.00317.48
7.2.60.0070.00917.21
7.2.50.0050.01017.58
7.2.40.0030.00817.48
7.2.30.0110.00517.56
7.2.20.0060.01217.56
7.2.10.0100.00417.62
7.2.00.0030.01318.15
7.1.330.0070.00816.43
7.1.320.0050.00616.43
7.1.310.0120.00316.55
7.1.300.0060.00816.46
7.1.290.0080.00516.43
7.1.280.0030.01216.49
7.1.270.0070.00416.28
7.1.260.0060.01116.39
7.1.250.0030.00916.30
7.1.240.0090.00716.34
7.1.230.0050.00516.34
7.1.220.0070.00816.13
7.1.210.0050.01216.21
7.1.200.0080.00416.15
7.1.190.0050.01016.39
7.1.180.0070.01016.32
7.1.170.0060.00916.41
7.1.160.0050.01116.36
7.1.150.0060.01016.37
7.1.140.0060.00516.49
7.1.130.0080.00916.43
7.1.120.0090.00716.35
7.1.110.0070.00816.43
7.1.100.0060.00416.95
7.1.90.0040.01116.50
7.1.80.0090.00716.42
7.1.70.0050.00816.54
7.1.60.0090.01017.40
7.1.50.0040.00816.61
7.1.40.0070.00716.43
7.1.30.0030.01116.35
7.1.20.0090.00916.27
7.1.10.0050.00716.29
7.1.00.0020.03218.45
7.0.330.0070.00415.94
7.0.320.0120.00315.89
7.0.310.0110.00416.03
7.0.300.0030.01216.12
7.0.290.0060.00915.91
7.0.280.0040.01416.13
7.0.270.0090.00516.08
7.0.260.0050.00716.06
7.0.250.0050.00716.23
7.0.240.0090.00616.08
7.0.230.0030.01016.23
7.0.220.0060.00316.14
7.0.210.0000.01416.08
7.0.200.0070.00616.29
7.0.190.0060.00815.98
7.0.180.0060.00916.04
7.0.170.0060.01116.12
7.0.160.0070.00516.21
7.0.150.0060.00816.10
7.0.140.0050.01116.03
7.0.130.0050.00916.05
7.0.120.0020.01116.09
7.0.110.0090.00216.16
7.0.100.0080.00616.21
7.0.90.0040.00915.99
7.0.80.0020.01116.20
7.0.70.0070.00416.06
7.0.60.0090.02617.46
7.0.50.0080.02916.74
7.0.40.0050.03216.11
7.0.30.0090.02116.17
7.0.20.0100.02916.16
7.0.10.0060.03616.12
7.0.00.0090.03016.17
5.6.400.0050.00614.92
5.6.390.0070.00815.05
5.6.380.0050.01114.95
5.6.370.0080.00815.09
5.6.360.0030.01214.89
5.6.350.0110.00515.01
5.6.340.0050.00915.01
5.6.330.0070.00915.03
5.6.320.0000.01114.84
5.6.310.0060.00915.00
5.6.300.0090.01015.18
5.6.290.0060.01014.69
5.6.280.0010.02716.97
5.6.270.0090.00515.15
5.6.260.0050.00914.89
5.6.250.0050.01014.86
5.6.240.0050.01214.82
5.6.230.0070.00914.92
5.6.220.0080.00314.80
5.6.210.0070.03516.65
5.6.200.0090.01615.92
5.6.190.0110.02916.79
5.6.180.0090.01816.76
5.6.170.0140.02516.66
5.6.160.0100.03216.72
5.6.150.0050.03315.88
5.6.140.0040.01916.02
5.6.130.0010.02216.08
5.6.120.0080.02817.00
5.6.110.0030.02516.94
5.6.100.0080.02916.85
5.6.90.0070.03616.76
5.6.80.0070.02016.67
5.6.70.0090.00514.75
5.6.60.0060.00714.71
5.6.50.0040.00914.75
5.6.40.0100.00614.76
5.6.30.0060.01114.71
5.6.20.0090.00314.81
5.6.10.0020.01014.96
5.6.00.0080.00714.86
5.5.380.0030.00914.65
5.5.370.0040.00914.92
5.5.360.0070.01014.91
5.5.350.1110.01716.63
5.5.340.0040.01915.86
5.5.330.0020.03316.80
5.5.320.0050.02816.62
5.5.310.0150.02716.64
5.5.300.0080.03015.85
5.5.290.0130.02915.86
5.5.280.0040.02016.71
5.5.270.0050.02116.71
5.5.260.0080.01916.73
5.5.250.0070.03016.53
5.5.240.0130.01716.65
5.5.230.0040.00914.59
5.5.220.0000.01314.84
5.5.210.0050.00914.75
5.5.200.0090.00814.75
5.5.190.0030.01214.73
5.5.180.0070.00714.90
5.5.170.0080.00714.79
5.5.160.0060.00814.72
5.5.150.0070.00714.90
5.5.140.0070.00814.54
5.5.130.0100.00314.57
5.5.120.0050.00714.86
5.5.110.0060.00514.83
5.5.100.0070.00714.72
5.5.90.0030.01114.71
5.5.80.0070.00714.67
5.5.70.0050.00914.53
5.5.60.0020.01214.86
5.5.50.0100.00314.63
5.5.40.0080.00514.61
5.5.30.0020.01014.89
5.5.20.0060.00814.78
5.5.10.0040.00814.68
5.5.00.0030.01014.76

preferences:
65.74 ms | 400 KiB | 5 Q