3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(hello); function atom(...$atoms) { array_walk( $atoms, function ($atom) { if (defined($atom)) { if ($atom !== constant($atom)) raise("The atom is already defined with a different value: ".$atom); } else { define($atom, $atom); } } ); } atom(@atom); atom(@raise); atom(@dispatch); atom(@acceptsmessage); atom(@isatom); var_dump(@atom);

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)
8.3.60.0120.00916.63
8.3.50.0070.01118.05
8.3.40.0120.00318.85
8.3.30.0070.01518.71
8.3.20.0000.00720.15
8.3.10.0060.00323.73
8.3.00.0000.00819.13
8.2.180.0100.00616.50
8.2.170.0070.01422.96
8.2.160.0070.00722.26
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0070.00317.50
8.2.120.0070.00026.35
8.2.110.0100.00019.30
8.2.100.0070.00717.91
8.2.90.0050.00319.09
8.2.80.0000.00817.97
8.2.70.0070.00717.63
8.2.60.0080.00017.80
8.2.50.0040.00418.07
8.2.40.0030.00619.28
8.2.30.0030.00320.66
8.2.20.0060.00317.78
8.2.10.0000.00818.10
8.2.00.0000.00718.21
8.1.280.0070.01025.92
8.1.270.0060.00322.21
8.1.260.0040.00428.09
8.1.250.0040.00428.09
8.1.240.0000.00923.84
8.1.230.0080.00318.86
8.1.220.0030.00517.76
8.1.210.0000.00818.77
8.1.200.0030.00617.36
8.1.190.0000.00717.23
8.1.180.0000.00818.10
8.1.170.0040.00418.67
8.1.160.0000.00721.93
8.1.150.0000.00818.95
8.1.140.0040.00419.55
8.1.130.0070.00017.74
8.1.120.0040.00417.50
8.1.110.0060.00317.49
8.1.100.0040.00417.32
8.1.90.0000.00717.47
8.1.80.0050.00317.46
8.1.70.0000.00717.45
8.1.60.0030.00617.45
8.1.50.0030.00517.39
8.1.40.0030.00517.51
8.1.30.0030.00617.67
8.1.20.0000.00817.61
8.1.10.0000.00817.50
8.1.00.0060.00317.49
8.0.300.0100.00018.77
8.0.290.0000.00816.88
8.0.280.0030.00318.40
8.0.270.0070.00017.30
8.0.260.0030.00317.20
8.0.250.0030.00617.09
8.0.240.0050.00317.06
8.0.230.0000.00717.01
8.0.220.0000.00616.98
8.0.210.0000.00716.97
8.0.200.0000.00816.95
8.0.190.0030.00317.07
8.0.180.0040.00416.98
8.0.170.0040.00416.98
8.0.160.0040.00417.12
8.0.150.0030.00517.00
8.0.140.0060.00616.99
8.0.130.0060.00013.45
8.0.120.0030.00516.97
8.0.110.0000.00816.97
8.0.100.0040.00417.05
8.0.90.0030.00416.87
8.0.80.0110.00417.05
8.0.70.0080.00016.78
8.0.60.0040.00416.86
8.0.50.0040.00416.89
8.0.30.0130.00717.28
8.0.20.0100.01117.40
8.0.10.0000.00716.84
8.0.00.0070.01016.86
7.4.330.0000.00516.84
7.4.320.0000.00616.54
7.4.300.0000.00616.40
7.4.290.0030.00316.60
7.4.280.0050.00516.54
7.4.270.0000.00716.47
7.4.260.0000.00716.57
7.4.250.0040.00416.60
7.4.240.0050.00316.63
7.4.230.0070.00016.54
7.4.220.0150.00616.49
7.4.210.0090.00616.59
7.4.200.0040.00416.71
7.4.160.0090.00616.46
7.4.150.0070.01117.40
7.4.140.0130.01017.86
7.4.130.0070.01216.58
7.4.120.0120.00716.54
7.4.110.0140.00616.45
7.4.100.0090.01216.55
7.4.90.0090.00916.76
7.4.80.0060.01619.39
7.4.70.0170.00316.46
7.4.60.0100.00716.57
7.4.50.0040.01116.48
7.4.40.0160.00016.39
7.4.30.0110.00616.41
7.4.00.0090.00614.91
7.3.330.0030.00313.17
7.3.320.0000.00513.31
7.3.310.0040.00416.34
7.3.300.0000.00716.22
7.3.290.0070.01116.29
7.3.280.0090.00916.29
7.3.270.0130.01017.40
7.3.260.0080.00816.50
7.3.250.0080.00816.43
7.3.240.0090.00816.33
7.3.230.0120.01216.41
7.3.210.0140.00716.38
7.3.200.0090.01116.47
7.3.190.0030.01316.57
7.3.180.0130.00316.53
7.3.170.0140.01116.35
7.3.160.0120.00416.39
7.2.330.0030.01616.70
7.2.320.0090.00916.78
7.2.310.0140.00416.72
7.2.300.0100.00716.55
7.2.290.0150.00316.72
7.2.60.0070.00716.96
7.2.00.0100.01019.18
7.1.200.0040.00815.96
7.1.100.0040.00718.25
7.1.70.0030.00617.25
7.1.60.0090.01519.48
7.1.50.0040.01516.93
7.1.00.0030.07722.41
7.0.200.0210.00814.57
7.0.60.0070.08019.97
7.0.50.0000.04317.86
7.0.40.0000.05020.27
7.0.30.0200.08720.07
7.0.20.0330.07720.24
7.0.10.0130.08020.16
7.0.00.0030.05720.11
5.6.280.0100.06020.79
5.6.210.0030.07320.55
5.6.200.0130.05718.25
5.6.190.0070.06720.63
5.6.180.0230.05320.42
5.6.170.0230.08020.48
5.6.160.0070.04020.46
5.6.150.0200.06718.22
5.6.140.0100.05018.28
5.6.130.0070.08318.19
5.6.120.0170.07721.00
5.6.110.0030.09021.01
5.6.100.0070.08021.13
5.6.90.0130.06721.14
5.6.80.0130.07720.52
5.5.350.4200.04320.39
5.5.340.0030.05017.99
5.5.330.0270.05020.30
5.5.320.0170.04720.31
5.5.310.0470.04020.36
5.5.300.0030.08317.98
5.5.290.0030.04018.08
5.5.280.0030.04320.88
5.5.270.0130.04320.85
5.5.260.0000.07020.85
5.5.250.0100.05720.69
5.5.240.0230.07020.26

preferences:
49.16 ms | 400 KiB | 5 Q