3v4l.org

run code in 300+ PHP versions simultaneously
<?php spl_autoload_register(function ($class) { if ('foo' === $class) { class foo implements foointerface {} } elseif ('foointerface' === $class) { throw new \Exception('boo'); } }); try { class_exists('foo'); } catch (\Exception $e) { var_dump($e->getMessage()); } $a = new foo(); var_dump($a); var_dump($a instanceof foointerface);

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)
8.3.60.0040.01518.68
8.3.50.0070.01017.96
8.3.40.0030.01218.92
8.3.30.0090.00618.67
8.3.20.0090.00018.73
8.3.10.0040.00421.90
8.3.00.0040.00423.48
8.2.180.0100.01316.49
8.2.170.0130.00622.96
8.2.160.0070.00719.04
8.2.150.0030.00625.66
8.2.140.0040.00424.66
8.2.130.0060.00320.93
8.2.120.0040.00426.35
8.2.110.0000.00919.32
8.2.100.0040.00818.03
8.2.90.0000.00919.08
8.2.80.0050.00317.97
8.2.70.0000.00817.80
8.2.60.0040.00417.97
8.2.50.0030.00518.10
8.2.40.0000.00719.53
8.2.30.0000.00720.62
8.2.20.0040.00417.99
8.2.10.0040.00417.99
8.2.00.0000.00817.94
8.1.280.0060.00925.92
8.1.270.0040.00420.29
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0060.00322.82
8.1.230.0070.00419.03
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0040.00417.47
8.1.190.0040.00417.13
8.1.180.0040.00418.10
8.1.170.0050.00318.59
8.1.160.0000.00818.79
8.1.150.0070.00018.86
8.1.140.0000.00718.94
8.1.130.0000.00820.27
8.1.120.0040.00417.45
8.1.110.0000.00717.43
8.1.100.0040.00417.48
8.1.90.0000.00717.35
8.1.80.0030.00517.42
8.1.70.0040.00417.45
8.1.60.0060.00317.63
8.1.50.0030.00517.50
8.1.40.0040.00417.50
8.1.30.0000.00817.55
8.1.20.0040.00417.71
8.1.10.0030.00517.59
8.1.00.0040.00717.57
8.0.300.0040.00418.77
8.0.290.0080.00016.75
8.0.280.0000.00718.46
8.0.270.0000.00717.19
8.0.260.0030.00320.18
8.0.250.0050.00516.95
8.0.240.0040.00417.01
8.0.230.0030.00716.93
8.0.220.0000.00716.98
8.0.210.0040.00416.99
8.0.200.0050.00217.05
8.0.190.0050.00216.97
8.0.180.0020.00517.02
8.0.170.0030.00516.98
8.0.160.0040.00417.07
8.0.150.0060.00616.83
8.0.140.0040.00416.93
8.0.130.0070.00013.38
8.0.120.0040.00416.87
8.0.110.0000.00716.89
8.0.100.0050.00216.77
8.0.90.0050.00316.85
8.0.80.0090.00616.88
8.0.70.0040.00416.80
8.0.60.0040.00417.00
8.0.50.0040.00416.89
8.0.30.0110.00717.06
8.0.20.0090.00917.40
8.0.10.0180.00316.89
8.0.00.0100.01116.77
7.4.330.0000.00515.55
7.4.320.0000.00716.61
7.4.300.0030.00316.43
7.4.290.0000.00716.51
7.4.280.0030.00616.60
7.4.270.0030.00316.59
7.4.260.0030.00316.58
7.4.250.0000.00716.57
7.4.240.0040.00416.43
7.4.230.0040.00416.72
7.4.220.0040.00416.71
7.4.210.0080.00916.66
7.4.200.0000.00716.59
7.4.160.0130.00416.47
7.4.140.0100.01017.58
7.4.130.0130.00916.49
7.4.120.0090.01016.54
7.4.110.0080.01116.26
7.4.100.0140.00916.38
7.4.90.0110.00916.49
7.4.80.0110.00917.91
7.4.70.0120.00716.52
7.4.60.0090.01116.39
7.4.50.0060.01116.41
7.4.40.0110.01316.66
7.4.30.0100.01316.46
7.4.20.0100.01316.31
7.4.10.0080.01115.59
7.4.00.0120.00715.29
7.3.330.0000.00613.21
7.3.320.0030.00313.22
7.3.310.0030.00316.39
7.3.300.0060.00016.30
7.3.290.0060.00016.36
7.3.280.0030.01316.33
7.3.260.0110.00916.53
7.3.250.0070.01616.18
7.3.240.0120.00716.46
7.3.230.0120.00816.52
7.3.220.0130.01016.45
7.3.210.0090.01016.37
7.3.200.0120.01216.49
7.3.190.0140.01216.41
7.3.180.0120.00716.28
7.3.170.0140.00616.37
7.3.160.0080.01016.44
7.3.150.0180.01016.41
7.3.140.0100.01316.46
7.3.130.0120.00915.44
7.3.120.0090.01015.33
7.3.110.0100.00715.25
7.3.100.0100.00815.29
7.3.90.0100.00815.26
7.3.80.0080.00915.10
7.3.70.0070.00915.10
7.3.60.0070.01014.97
7.3.50.0080.00614.97
7.3.40.0090.00514.98
7.3.30.0070.00714.96
7.3.20.0090.00916.38
7.3.10.0100.00516.14
7.3.00.0090.00716.39
7.2.340.0240.02016.72
7.2.330.0260.00416.73
7.2.320.0160.01016.52
7.2.310.0230.00816.66
7.2.300.0180.01016.57
7.2.290.0170.01216.71
7.2.280.0370.00316.56
7.2.270.0270.01116.81
7.2.260.0160.01515.88
7.2.250.0120.01515.46
7.2.240.0100.00615.37
7.2.230.0120.01015.50
7.2.220.0120.00915.54
7.2.210.0110.00815.37
7.2.200.0100.00815.20
7.2.190.0100.00815.17
7.2.180.0070.01015.19
7.2.170.0100.00915.26
7.2.160.0120.00715.21
7.2.150.0110.01016.57
7.2.140.0120.00716.48
7.2.130.0120.00816.55
7.2.120.0110.00716.51
7.2.110.0090.01116.51
7.2.100.0960.00715.51
7.2.90.0990.00715.51
7.2.80.1020.00715.48
7.2.70.1150.00715.76
7.2.60.0850.01015.67
7.2.50.1110.00915.66
7.2.40.1060.00915.64
7.2.30.1000.00815.69
7.2.20.0980.00715.63
7.2.10.1030.00615.60
7.2.00.1060.00815.71
7.1.330.0100.01015.80
7.1.320.0100.01015.76
7.1.310.0100.00915.75
7.1.300.0140.00615.49
7.1.290.0130.00615.48
7.1.280.0220.00715.43
7.1.270.0120.00715.40
7.1.260.0090.01015.54
7.1.250.0100.01215.43
7.1.240.0160.00715.29
7.1.230.0190.00815.28
7.1.220.1220.00514.32
7.1.210.1030.00914.37
7.1.200.1090.00714.44
7.1.190.1140.00614.38
7.1.180.1020.00714.42
7.1.170.1110.00614.50
7.1.160.1120.00714.39
7.1.150.1270.00914.39
7.1.140.1070.00814.40
7.1.130.1030.00714.42
7.1.120.1020.00714.41
7.1.110.1000.00714.50
7.1.100.1110.00714.43
7.1.90.1020.00714.37
7.1.80.1070.00714.47
7.1.70.1080.00914.31
7.1.60.1050.01126.35
7.1.50.1310.00826.30
7.1.40.1430.00926.30
7.1.30.1380.01026.25
7.1.20.1320.01026.29
7.1.10.1210.00814.36
7.1.00.1030.00714.29
7.0.330.0150.01314.79
7.0.320.0250.01115.21
7.0.310.0800.01115.17
7.0.300.0250.00815.20
7.0.290.0290.01115.05
7.0.280.0300.00715.19
7.0.270.0260.00815.40
7.0.260.0290.00615.28
7.0.250.0300.00815.32
7.0.240.0350.01115.35
7.0.230.0260.00915.22
7.0.220.0190.01815.04
7.0.210.0300.00615.09
7.0.200.0260.01315.23
7.0.190.0330.01315.24
7.0.180.0280.01115.38
7.0.170.0170.02115.21
7.0.160.0430.00515.41
7.0.150.0300.00815.48
7.0.140.0320.01015.30
7.0.130.0250.01515.25
7.0.120.0270.00915.10
7.0.110.0290.01115.14
7.0.100.0250.01515.15
7.0.90.0220.01815.13
7.0.80.0270.01415.17
7.0.70.0250.01115.19
7.0.60.0250.01015.15
7.0.50.0330.00415.27
7.0.40.0220.01315.22
7.0.30.0370.01315.26
7.0.20.0280.00915.09
7.0.10.0290.02415.20
7.0.00.0280.00715.34
5.6.400.0120.01114.62
5.6.390.0160.00914.67
5.6.380.0110.00714.39
5.6.370.0270.00915.86
5.6.360.0230.01016.11
5.6.350.0280.01116.07
5.6.340.0280.01415.84
5.6.330.0330.00615.66
5.6.320.0210.01415.60
5.6.310.0170.02015.94
5.6.300.0260.01616.05
5.6.290.0230.01816.00
5.6.280.0270.01316.00
5.6.270.0450.00915.97
5.6.260.0410.00315.79
5.6.250.0220.01716.01
5.6.240.0340.00816.01
5.6.230.0300.00815.91
5.6.220.0340.01016.14
5.6.210.0530.01715.98
5.6.200.0260.01615.81
5.6.190.0450.00016.11
5.6.180.0200.02016.17
5.6.170.0290.01016.00
5.6.160.0200.00516.15
5.6.150.0300.01616.18
5.6.140.0350.00515.77
5.6.130.0190.02015.97
5.6.120.0210.02216.00
5.6.110.0310.01215.80
5.6.100.0250.01816.00
5.6.90.0320.01516.08
5.6.80.0300.01415.73
5.6.70.0230.01615.87
5.6.60.0180.02115.72
5.6.50.0240.01215.84
5.6.40.0240.01115.78
5.6.30.0240.00915.77
5.6.20.0220.01515.94
5.6.10.0360.01116.08
5.6.00.0260.01515.93

preferences:
57.23 ms | 401 KiB | 5 Q