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run code in 300+ PHP versions simultaneously
<?php define('TEST_TEST', 1); class TestClass2 { function __construct() {} } class TestClass extends TestClass2 { var $test = [ TEST_TEST => 'test' ]; } new TestClass();

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)
8.4.120.0040.00524.19
8.4.110.0130.00625.63
8.4.100.0070.00518.27
8.4.90.0120.00918.57
8.4.80.0050.00417.64
8.4.70.0040.00418.15
8.4.60.0070.00118.83
8.4.50.0050.00318.57
8.4.40.0140.00719.94
8.4.30.0080.00820.21
8.4.20.0120.00817.60
8.4.10.0080.00017.38
8.3.250.0140.00418.72
8.3.240.0120.00716.17
8.3.230.0130.00716.27
8.3.220.0120.00719.01
8.3.210.0070.01116.71
8.3.200.0020.00616.64
8.3.190.0100.00917.00
8.3.180.0070.01217.11
8.3.170.0120.00618.73
8.3.160.0040.01216.79
8.3.150.0140.00418.64
8.3.140.0120.00617.03
8.3.130.0060.00318.39
8.3.120.0070.01120.62
8.3.110.0060.00920.94
8.3.100.0080.00024.06
8.3.90.0040.00426.77
8.3.80.0030.00718.43
8.3.70.0090.00618.09
8.3.60.0110.00718.18
8.3.50.0080.01223.56
8.3.40.0120.00318.51
8.3.30.0000.01518.37
8.3.20.0080.00021.73
8.3.10.0050.00320.38
8.3.00.0080.00020.52
8.2.290.0070.00820.24
8.2.280.0070.01218.48
8.2.270.0100.00717.16
8.2.260.0090.00017.07
8.2.250.0090.00918.41
8.2.240.0090.00018.71
8.2.230.0000.00922.58
8.2.220.0110.00037.54
8.2.210.0070.00726.77
8.2.200.0070.00716.63
8.2.190.0130.00616.58
8.2.180.0130.01025.92
8.2.170.0120.00322.96
8.2.160.0140.00020.34
8.2.150.0090.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0000.00820.97
8.2.110.0060.00320.39
8.2.100.0040.00717.78
8.2.90.0030.00618.09
8.2.80.0000.00818.51
8.2.70.0060.00317.38
8.2.60.0080.00017.93
8.2.50.0050.00518.07
8.2.40.0050.00318.09
8.2.30.0080.00017.96
8.2.20.0000.00717.98
8.2.10.0070.00019.22
8.2.00.0070.00018.99
8.1.330.0140.00421.91
8.1.320.0120.00816.16
8.1.310.0110.00418.39
8.1.300.0080.00017.61
8.1.290.0060.00330.84
8.1.280.0070.00725.92
8.1.270.0050.00322.00
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0090.00021.02
8.1.230.0130.00018.98
8.1.220.0080.00017.74
8.1.210.0060.00318.77
8.1.200.0030.00617.10
8.1.190.0060.00317.10
8.1.180.0000.00818.10
8.1.170.0080.00018.47
8.1.160.0050.00218.62
8.1.150.0040.00418.76
8.1.140.0030.00322.14
8.1.130.0000.00717.21
8.1.120.0040.00417.32
8.1.110.0040.00417.25
8.1.100.0000.00717.30
8.1.90.0040.00417.36
8.1.80.0030.00617.30
8.1.70.0030.00617.24
8.1.60.0000.00717.35
8.1.50.0030.00617.42
8.1.40.0030.00517.37
8.1.30.0030.00517.48
8.1.20.0050.00317.59
8.1.10.0000.00817.57
8.1.00.0000.00717.41
8.0.300.0070.00018.77
8.0.290.0030.00516.63
8.0.280.0030.00318.37
8.0.270.0000.00717.93
8.0.260.0000.00616.75
8.0.250.0070.00016.80
8.0.240.0080.00016.89
8.0.230.0000.00716.72
8.0.220.0050.00516.68
8.0.210.0030.00316.77
8.0.200.0000.00616.70
8.0.190.0070.00016.77
8.0.180.0040.00416.76
8.0.170.0060.00316.61
8.0.160.0030.00516.74
8.0.150.0000.01016.70
8.0.140.0040.00416.67
8.0.130.0060.00013.15
8.0.120.0070.00016.66
8.0.110.0000.00716.46
8.0.100.0050.00216.73
8.0.90.0040.00416.79
8.0.80.0080.01216.70
8.0.70.0000.00716.73
8.0.60.0000.00816.81
8.0.50.0000.00716.82
8.0.30.0110.00616.91
8.0.20.0060.01216.68
8.0.10.0080.00016.91
8.0.00.0130.00316.83
7.4.330.0050.00016.72
7.4.320.0030.00316.39
7.4.300.0000.00716.54
7.4.290.0030.00516.44
7.4.280.0040.00416.48
7.4.270.0030.00316.53
7.4.260.0030.00313.18
7.4.250.0040.00316.52
7.4.240.0050.00216.46
7.4.230.0000.00716.50
7.4.220.0020.00516.60
7.4.210.0100.00916.42
7.4.200.0080.00016.36
7.4.130.0090.00916.30
7.4.120.0060.01316.34
7.4.110.0080.00916.32
7.4.100.0070.01016.43
7.4.90.0070.01116.43
7.4.80.0070.01119.39
7.4.70.0030.01416.48
7.4.60.0080.00816.39
7.4.50.0060.01016.38
7.4.40.0080.00816.41
7.4.10.0120.00914.86
7.4.00.0070.00814.87
7.3.330.0070.00016.13
7.3.320.0030.00313.16
7.3.310.0000.00716.29
7.3.300.0000.00616.24
7.3.290.0030.00316.24
7.3.280.0120.00316.32
7.3.260.0030.01316.26
7.3.240.0110.00916.25
7.3.230.0130.00616.15
7.3.210.0070.01016.31
7.3.200.0080.01116.32
7.3.190.0030.01316.31
7.3.180.0100.01316.52
7.3.170.0070.01016.30
7.3.160.0130.00316.37
7.3.130.0100.01014.61
7.3.120.0090.01014.60
7.3.110.0060.01014.54
7.3.100.0060.01014.59
7.3.90.0080.00814.65
7.3.80.0050.00914.56
7.3.70.0080.00614.50
7.3.60.0080.00614.52
7.3.50.0060.00914.58
7.3.40.0080.00714.54
7.3.30.0070.00814.47
7.3.20.0080.00815.24
7.3.10.0090.00714.91
7.3.00.0060.01015.21
7.2.330.0160.00316.59
7.2.320.0120.00416.22
7.2.310.0120.00916.54
7.2.300.0000.02216.49
7.2.290.0100.00516.39
7.2.260.0070.01314.89
7.2.250.0100.00714.73
7.2.240.0060.01014.82
7.2.230.0070.00914.77
7.2.220.0060.01214.83
7.2.210.0060.00914.71
7.2.200.0060.01114.76
7.2.190.0070.00814.81
7.2.180.0080.01014.74
7.2.170.0050.01414.75
7.2.160.0070.01014.76
7.2.150.0080.00815.27
7.2.140.0070.00815.26
7.2.130.0090.00715.21
7.2.120.0070.00915.27
7.2.110.0120.00915.23
7.2.100.0080.01015.15
7.2.90.0090.01015.33
7.2.80.0060.01015.33
7.2.70.0080.01015.15
7.2.60.0090.00915.24
7.2.50.0110.00615.24
7.2.40.0100.01015.21
7.2.30.0060.01015.24
7.2.20.0120.01015.30
7.2.10.0100.00615.24
7.2.00.0070.01015.21

preferences:
29.01 ms | 403 KiB | 5 Q