3v4l.org

run code in 300+ PHP versions simultaneously
<?php define ('a'. 'b', 1); print (constant('ab'));

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)
8.3.60.0090.01218.30
8.3.50.0040.01416.13
8.3.40.0040.01218.85
8.3.30.0040.01118.54
8.3.20.0070.00021.72
8.3.10.0040.00421.81
8.3.00.0040.00418.89
8.2.180.0070.01018.29
8.2.170.0070.00722.96
8.2.160.0060.00922.26
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0070.00022.08
8.2.120.0080.00026.35
8.2.110.0100.01022.31
8.2.100.0000.01217.78
8.2.90.0050.00319.02
8.2.80.0040.00417.97
8.2.70.0060.00317.38
8.2.60.0000.00817.91
8.2.50.0000.00918.10
8.2.40.0070.00020.64
8.2.30.0040.00419.20
8.2.20.0080.00317.91
8.2.10.0000.00817.75
8.2.00.0000.00717.99
8.1.280.0140.00725.92
8.1.270.0040.00422.03
8.1.260.0070.00026.35
8.1.250.0080.00028.09
8.1.240.0080.00023.92
8.1.230.0050.00522.16
8.1.220.0060.00317.74
8.1.210.0000.00918.77
8.1.200.0060.00317.10
8.1.190.0040.00417.10
8.1.180.0050.00218.10
8.1.170.0080.00018.52
8.1.160.0000.00718.76
8.1.150.0000.00718.75
8.1.140.0060.00319.43
8.1.130.0030.00318.63
8.1.120.0000.00717.34
8.1.110.0000.00817.22
8.1.100.0050.00217.32
8.1.90.0090.00017.28
8.1.80.0000.00817.38
8.1.70.0050.00217.33
8.1.60.0000.00717.37
8.1.50.0040.00417.42
8.1.40.0020.00517.28
8.1.30.0000.00717.38
8.1.20.0040.00417.56
8.1.10.0040.00417.42
8.1.00.0080.00017.41
8.0.300.0000.00718.77
8.0.290.0040.00416.63
8.0.280.0030.00318.38
8.0.270.0000.00717.23
8.0.260.0030.00318.54
8.0.250.0000.00816.90
8.0.240.0050.00316.91
8.0.230.0000.00716.71
8.0.220.0030.00316.68
8.0.210.0060.00316.77
8.0.200.0000.00616.76
8.0.190.0030.00516.79
8.0.180.0030.00516.73
8.0.170.0000.00716.82
8.0.160.0030.00316.74
8.0.150.0070.00016.71
8.0.140.0040.00416.80
8.0.130.0000.00513.16
8.0.120.0000.00716.78
8.0.110.0040.00416.81
8.0.100.0070.00016.72
8.0.90.0000.00716.67
8.0.80.0090.00916.73
8.0.70.0030.00516.65
8.0.60.0070.00016.78
8.0.50.0040.00416.82
8.0.30.0150.00617.01
8.0.20.0070.01317.40
8.0.10.0040.00416.89
8.0.00.0110.00716.74
7.4.330.0000.00515.55
7.4.320.0000.00716.36
7.4.300.0030.00316.27
7.4.290.0060.00016.46
7.4.280.0080.00016.49
7.4.270.0000.00716.51
7.4.260.0060.00013.26
7.4.250.0030.00316.36
7.4.240.0000.00716.49
7.4.230.0000.00616.55
7.4.220.0060.01216.43
7.4.210.0110.00416.34
7.4.200.0030.00316.40
7.4.160.0130.00316.31
7.4.150.0070.01017.40
7.4.140.0120.00517.86
7.4.130.0040.01616.18
7.4.120.0120.00816.38
7.4.110.0080.00816.32
7.4.100.0080.01116.27
7.4.90.0100.00716.36
7.4.80.0130.00319.39
7.4.70.0080.00816.32
7.4.60.0060.01016.38
7.4.50.0120.00316.29
7.4.40.0100.01016.24
7.4.30.0090.01316.27
7.4.00.0060.00614.89
7.3.330.0000.00612.97
7.3.320.0020.00213.04
7.3.310.0030.00316.14
7.3.300.0030.00316.11
7.3.290.0060.01016.12
7.3.280.0070.01116.14
7.3.270.0130.00617.40
7.3.260.0090.00816.22
7.3.250.0090.00816.18
7.3.240.0090.00816.35
7.3.230.0070.01016.31
7.3.210.0130.00416.39
7.3.200.0080.00816.02
7.3.190.0190.00316.09
7.3.180.0040.01116.15
7.3.170.0090.00916.43
7.3.160.0060.01016.20
7.3.120.0080.00814.62
7.3.110.0090.00614.66
7.3.100.0030.01314.71
7.3.90.0000.01314.69
7.3.80.0060.00314.38
7.3.70.0100.00614.35
7.3.60.0040.00814.35
7.3.50.0080.00414.65
7.3.40.0100.00714.64
7.3.30.0080.00814.70
7.3.20.0090.00616.38
7.3.10.0100.00516.45
7.3.00.0070.00816.66
7.2.330.0110.01116.36
7.2.320.0130.00916.17
7.2.310.0070.01016.10
7.2.300.0150.00616.39
7.2.290.0110.00516.63
7.2.240.0130.00314.51
7.2.230.0040.01414.48
7.2.220.0030.01014.64
7.2.210.0100.00614.90
7.2.200.0000.01314.82
7.2.190.0100.00314.76
7.2.180.0030.01314.82
7.2.170.0070.01114.80
7.2.160.0090.00614.98
7.2.150.0040.01216.89
7.2.140.0080.00416.50
7.2.130.0070.00916.89
7.2.120.0070.00816.75
7.2.110.0040.01116.88
7.2.100.0050.01016.57
7.2.90.0040.01116.72
7.2.80.0050.01116.79
7.2.70.0100.00516.96
7.2.60.0050.00916.67
7.2.50.0060.00916.75
7.2.40.0030.00816.76
7.2.30.0050.00916.78
7.2.20.0090.00916.86
7.2.10.0060.00916.55
7.2.00.0050.01116.84
7.1.330.0060.00315.35
7.1.320.0070.00715.61
7.1.310.0070.00715.76
7.1.300.0100.00715.70
7.1.290.0100.00315.73
7.1.280.0070.00415.73
7.1.270.0060.00315.49
7.1.260.0100.00315.70
7.1.250.0070.00815.64
7.1.240.0050.00515.57
7.1.230.0000.00815.59
7.1.220.0060.00615.78
7.1.210.0030.01015.56
7.1.200.0050.00815.59
7.1.190.0070.00715.79
7.1.180.0030.01015.64
7.1.170.0030.00615.52
7.1.160.0040.01115.56
7.1.150.0030.00615.33
7.1.140.0150.00315.55
7.1.130.0040.01115.63
7.1.120.0110.00315.81
7.1.110.0080.00815.61
7.1.100.0130.00015.77
7.1.90.0070.00715.43
7.1.80.0040.00415.45
7.1.70.0060.00616.38
7.1.60.0420.01024.24
7.1.50.0470.01724.24
7.1.40.0780.01324.12
7.1.30.0420.00824.04
7.1.20.0460.01124.14
7.1.10.0320.00815.14
7.1.00.0380.01115.04
7.0.330.0030.00615.46
7.0.320.0030.00615.39
7.0.310.0030.00615.28
7.0.300.0080.00015.45
7.0.290.0070.00715.27
7.0.280.0040.01115.07
7.0.270.0030.01315.29
7.0.260.0030.00715.03
7.0.250.0070.00415.40
7.0.240.0100.00315.14
7.0.230.0050.00315.24
7.0.220.0000.01315.06
7.0.210.0060.00615.05
7.0.200.0420.01215.26
7.0.190.0450.00514.98
7.0.180.0400.00814.74
7.0.170.0670.01414.69
7.0.160.0570.01214.81
7.0.150.0340.00514.71
7.0.140.0350.01214.77
7.0.130.0320.00814.95
7.0.120.0350.00514.97
7.0.110.0520.00814.88
7.0.100.0350.00714.83
7.0.90.0300.01414.73
7.0.80.0370.00814.67
7.0.70.0320.00614.88
7.0.60.0370.01014.71
7.0.50.0520.00714.95
7.0.40.0380.01413.78
7.0.30.0370.00713.72
7.0.20.0480.00913.93
7.0.10.0620.01013.98
7.0.00.0460.00613.95
5.6.380.0070.00714.08

preferences:
67.22 ms | 400 KiB | 5 Q