3v4l.org

run code in 300+ PHP versions simultaneously
<?php define("f", "a"); define("f", "b"); echo f;

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)
8.3.60.0120.00618.56
8.3.50.0000.01418.16
8.3.40.0030.01418.85
8.3.30.0090.00618.54
8.3.20.0080.00019.34
8.3.10.0000.00723.48
8.3.00.0080.00020.65
8.2.180.0170.00316.63
8.2.170.0070.01022.96
8.2.160.0070.00721.95
8.2.150.0070.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00417.97
8.2.120.0040.00426.35
8.2.110.0000.00919.45
8.2.100.0070.00418.22
8.2.90.0030.00617.63
8.2.80.0040.00417.97
8.2.70.0000.00817.90
8.2.60.0040.00418.09
8.2.50.0040.00418.10
8.2.40.0000.00719.34
8.2.30.0000.00819.26
8.2.20.0060.00317.86
8.2.10.0050.00318.05
8.2.00.0060.00317.51
8.1.280.0120.00925.92
8.1.270.0040.00418.72
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0040.00422.07
8.1.230.0030.00718.86
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0030.00617.35
8.1.190.0080.00017.00
8.1.180.0030.00518.10
8.1.170.0080.00018.51
8.1.160.0000.00718.82
8.1.150.0000.00818.73
8.1.140.0000.00722.17
8.1.130.0000.00722.04
8.1.120.0000.00717.39
8.1.110.0000.00817.34
8.1.100.0050.00217.22
8.1.90.0030.00517.28
8.1.80.0000.00717.27
8.1.70.0070.00017.26
8.1.60.0060.00317.46
8.1.50.0000.00717.32
8.1.40.0040.00417.49
8.1.30.0000.00817.55
8.1.20.0050.00317.50
8.1.10.0040.00417.46
8.1.00.0040.00417.38
8.0.300.0040.00418.77
8.0.290.0000.00716.75
8.0.280.0040.00418.31
8.0.270.0000.00717.19
8.0.260.0000.00818.27
8.0.250.0070.00016.93
8.0.240.0030.00316.84
8.0.230.0000.00716.88
8.0.220.0030.00316.92
8.0.210.0000.00816.81
8.0.200.0000.00716.95
8.0.190.0070.00016.98
8.0.180.0040.00416.79
8.0.170.0040.00416.88
8.0.160.0040.00416.73
8.0.150.0070.00016.71
8.0.140.0000.00816.84
8.0.130.0000.00513.30
8.0.120.0040.00416.74
8.0.110.0070.00016.84
8.0.100.0040.00416.67
8.0.90.0030.00316.84
8.0.80.0090.01116.86
8.0.70.0040.00416.72
8.0.60.0000.00816.77
8.0.50.0040.00416.70
8.0.30.0070.01117.12
8.0.20.0240.01117.40
8.0.10.0000.00716.88
8.0.00.0110.00716.72
7.4.330.0000.00515.55
7.4.320.0030.00316.51
7.4.300.0060.00016.41
7.4.290.0000.00716.47
7.4.280.0000.00816.52
7.4.270.0040.00416.44
7.4.260.0040.00416.55
7.4.250.0000.00816.39
7.4.240.0030.00616.53
7.4.230.0000.00816.63
7.4.220.0080.00016.30
7.4.210.0070.00716.45
7.4.200.0030.00316.28
7.4.160.0060.01116.49
7.4.140.0120.01717.86
7.4.130.0130.00316.54
7.4.120.0080.01116.47
7.4.110.0070.01616.52
7.4.100.0070.01116.45
7.4.90.0120.01316.53
7.4.80.0180.00419.39
7.4.70.0060.01216.68
7.4.60.0090.00916.36
7.4.50.0120.00316.52
7.4.40.0130.00316.39
7.4.00.0000.01614.84
7.3.330.0030.00312.94
7.3.320.0060.00012.93
7.3.310.0030.00616.27
7.3.300.0000.00716.20
7.3.290.0000.00716.02
7.3.280.0110.00616.21
7.3.260.0130.00716.29
7.3.240.0110.00916.25
7.3.230.0060.01216.38
7.3.210.0120.00916.16
7.3.200.0090.00916.19
7.3.190.0100.01016.22
7.3.180.0030.01316.43
7.3.170.0110.00516.14
7.3.160.0060.01116.46
7.3.120.0130.00614.90
7.3.110.0100.00714.78
7.3.100.0060.00914.75
7.3.90.0130.00314.52
7.3.80.0090.00314.84
7.3.70.0090.00614.63
7.3.60.0050.00314.83
7.3.50.0070.00714.56
7.3.40.0110.00414.72
7.3.30.0070.00714.75
7.3.20.0100.00716.63
7.3.10.0030.00616.62
7.3.00.0000.01516.41
7.2.330.0140.00416.72
7.2.320.0060.01816.42
7.2.310.0000.01516.64
7.2.300.0080.00816.54
7.2.290.0080.01316.66
7.2.250.0060.01314.91
7.2.240.0040.01114.81
7.2.230.0060.00914.91
7.2.220.0040.01114.53
7.2.210.0130.00314.76
7.2.200.0070.01114.75
7.2.190.0060.01014.76
7.2.180.0030.01314.97
7.2.170.0030.01314.92
7.2.160.0030.01314.73
7.2.150.0000.01816.84
7.2.140.0040.00716.69
7.2.130.0070.00716.79
7.2.120.0060.00916.78
7.2.110.0430.00515.89
7.2.100.0470.01015.57
7.2.90.0440.00715.80
7.2.80.0600.01115.57
7.2.70.0330.00815.61
7.2.60.0350.01115.63
7.2.50.0330.00915.77
7.2.40.0410.01015.82
7.2.30.0440.01115.83
7.2.20.0320.01315.71
7.2.10.0450.01315.66
7.2.00.0450.00715.60
7.1.330.0070.00615.68
7.1.320.0030.01415.75
7.1.310.0070.01115.68
7.1.300.0070.01015.84
7.1.290.0140.00315.59
7.1.280.0090.00615.59
7.1.270.0000.01615.58
7.1.260.0070.00715.56
7.1.250.0000.01715.39
7.1.230.1130.01013.73
7.1.220.0710.00713.79
7.1.210.0690.00613.53
7.1.200.0560.01314.02
7.1.190.0630.00913.93
7.1.180.0840.00313.82
7.1.170.0900.00713.47
7.1.160.0580.00713.51
7.1.150.0610.00713.87
7.1.140.0640.00713.49
7.1.130.0540.01313.75
7.1.120.0590.00913.39
7.1.110.0840.00613.79
7.1.100.0560.01413.84
7.1.90.0930.00913.91
7.1.80.0880.00314.03
7.1.70.0630.00713.65
7.1.60.1080.01031.67
7.1.50.0950.00331.81
7.1.40.0670.01431.43
7.1.30.0770.00331.65
7.1.20.0780.01031.75
7.1.10.1030.01013.98
7.1.00.0680.00913.34
5.6.380.0160.00413.98

preferences:
57.43 ms | 401 KiB | 5 Q