3v4l.org

run code in 300+ PHP versions simultaneously
<?php $counts = []; $item = 1; $counts[$item] ?? $counts[$item] = 1 ?? $counts[$item]++;

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)
8.3.60.0070.01418.31
8.3.50.0080.01021.22
8.3.40.0110.00418.73
8.3.30.0040.01118.72
8.3.20.0070.00020.25
8.3.10.0040.00423.66
8.3.00.0040.00421.77
8.2.180.0110.00418.29
8.2.170.0070.00722.96
8.2.160.0120.00320.34
8.2.150.0080.00024.18
8.2.140.0000.00724.66
8.2.130.0040.00421.00
8.2.120.0000.00726.35
8.2.110.0000.00819.07
8.2.100.0040.00818.04
8.2.90.0040.00419.17
8.2.80.0060.00317.97
8.2.70.0060.00317.63
8.2.60.0110.00017.91
8.2.50.0040.00818.09
8.2.40.0080.00022.15
8.2.30.0070.00019.37
8.2.20.0040.00417.73
8.2.10.0000.00718.11
8.2.00.0000.00717.92
8.1.280.0170.00325.92
8.1.270.0150.00422.01
8.1.260.0060.00328.09
8.1.250.0000.00728.09
8.1.240.0060.00622.54
8.1.230.0100.00017.83
8.1.220.0030.00617.79
8.1.210.0040.00418.77
8.1.200.0000.01117.35
8.1.190.0030.00617.23
8.1.180.0050.00318.10
8.1.170.0070.00018.50
8.1.160.0000.00720.73
8.1.150.0040.00418.69
8.1.140.0080.00019.42
8.1.130.0000.00917.63
8.1.120.0050.00217.41
8.1.110.0040.00417.27
8.1.100.0000.00717.36
8.1.90.0070.00017.42
8.1.80.0040.00417.24
8.1.70.0030.00517.29
8.1.60.0040.00417.48
8.1.50.0060.00317.51
8.1.40.0050.00517.50
8.1.30.0030.00617.61
8.1.20.0070.00017.68
8.1.10.0030.00617.55
8.1.00.0040.00417.38
8.0.300.0080.00018.77
8.0.290.0030.00616.63
8.0.280.0000.00718.43
8.0.270.0070.00017.09
8.0.260.0030.00317.14
8.0.250.0030.00316.88
8.0.240.0000.00916.82
8.0.230.0030.00516.93
8.0.220.0050.00316.77
8.0.210.0070.00016.81
8.0.200.0030.00316.98
8.0.190.0040.00716.81
8.0.180.0040.00316.90
8.0.170.0040.00416.87
8.0.160.0000.00816.95
8.0.150.0050.00316.77
8.0.140.0090.00016.74
8.0.130.0000.00513.26
8.0.120.0030.00516.87
8.0.110.0070.00016.77
8.0.100.0040.00416.68
8.0.90.0000.00716.76
8.0.80.0040.01116.85
8.0.70.0040.00416.89
8.0.60.0030.00316.76
8.0.50.0050.00316.70
8.0.30.0090.00717.11
8.0.20.0090.01017.40
8.0.10.0040.00416.84
8.0.00.0100.00816.84
7.4.330.0000.00516.69
7.4.320.0000.00616.33
7.4.300.0000.00716.48
7.4.290.0000.00716.48
7.4.280.0030.00516.55
7.4.270.0000.00616.41
7.4.260.0050.00516.50
7.4.250.0000.00716.41
7.4.240.0000.00716.47
7.4.230.0000.00716.41
7.4.220.0090.00916.41
7.4.210.0080.00816.50
7.4.200.0050.00316.41
7.4.160.0120.00916.41
7.4.150.0000.01717.40
7.4.140.0150.01017.86
7.4.130.0070.01116.43
7.4.120.0110.00716.53
7.4.110.0180.00016.54
7.4.100.0090.00916.58
7.4.90.0090.00916.47
7.4.80.0100.01019.39
7.4.70.0100.00716.54
7.4.60.0030.01316.46
7.4.50.0090.00616.35
7.4.40.0030.01316.67
7.4.30.0070.01416.64
7.4.10.0080.00814.80
7.4.00.0110.00514.78
7.3.330.0050.00013.21
7.3.320.0000.00613.07
7.3.310.0040.00416.47
7.3.300.0030.00316.31
7.3.290.0070.00016.35
7.3.280.0100.00716.29
7.3.270.0120.00417.40
7.3.260.0120.00616.49
7.3.250.0100.00816.44
7.3.240.0080.01116.46
7.3.230.0090.00916.54
7.3.210.0070.01016.31
7.3.200.0190.00319.39
7.3.190.0140.00316.37
7.3.180.0060.01216.32
7.3.170.0100.00716.34
7.3.160.0090.00616.42
7.3.130.0030.01315.10
7.3.120.0090.00915.14
7.3.110.0120.00614.76
7.3.100.0040.00714.57
7.3.90.0100.00614.88
7.3.80.0060.00314.64
7.3.70.0030.00814.79
7.3.60.0060.00914.57
7.3.50.0090.00614.89
7.3.40.0030.01014.92
7.3.30.0070.00714.83
7.3.20.0040.00816.84
7.3.10.0040.00816.80
7.3.00.0000.00916.86
7.2.330.0120.00616.57
7.2.320.0120.00916.33
7.2.310.0030.01316.28
7.2.300.0070.01016.57
7.2.290.0130.00316.71
7.2.260.0070.00714.71
7.2.250.0030.01315.01
7.2.240.0040.01115.06
7.2.230.0030.01314.88
7.2.220.0060.01315.14
7.2.210.0040.01114.76
7.2.200.0080.00814.95
7.2.190.0030.01015.13
7.2.180.0060.00914.85
7.2.170.0000.01914.93
7.2.160.0000.01514.92
7.2.150.0000.01116.86
7.2.140.0120.00316.78
7.2.130.0000.01616.88
7.2.120.0090.00616.94
7.2.110.0120.00016.52
7.2.100.0060.00316.79
7.2.90.0000.01316.79
7.2.80.0120.00316.78
7.2.70.0090.00616.82
7.2.60.0050.00616.71
7.2.50.0080.00316.68
7.2.40.0060.00916.89
7.2.30.0120.00316.96
7.2.20.0080.00816.81
7.2.10.0060.00617.09
7.2.00.0120.00518.07
7.1.330.0090.00615.81
7.1.320.0040.00715.79
7.1.310.0040.00715.75
7.1.300.0040.00815.62
7.1.290.0060.00615.79
7.1.280.0040.00815.68
7.1.270.0060.00315.75
7.1.260.0000.01015.66
7.1.250.0030.01315.67
7.1.240.0030.00615.71
7.1.230.0080.00015.81
7.1.220.0070.00715.72
7.1.210.0060.00915.64
7.1.200.0110.00515.75
7.1.190.0110.00415.64
7.1.180.0040.00815.68
7.1.170.0060.00315.57
7.1.160.0000.01515.70
7.1.150.0090.00615.98
7.1.140.0050.00515.76
7.1.130.0040.00815.82
7.1.120.0030.01415.76
7.1.110.0040.00415.61
7.1.100.0050.00916.86
7.1.90.0040.01215.81
7.1.80.0070.01015.68
7.1.70.0020.00916.31
7.1.60.0090.00917.54
7.1.50.0040.00916.03
7.1.40.0040.00815.61
7.1.30.0040.00815.70
7.1.20.0000.01315.84
7.1.10.0000.01015.48
7.1.00.0070.03919.15
7.0.330.0060.00915.51
7.0.320.0030.01015.31
7.0.310.0030.01015.31
7.0.300.0040.01115.38
7.0.290.0070.00715.21
7.0.280.0020.01015.45
7.0.270.0070.00715.42
7.0.260.0100.00715.09
7.0.250.0030.00715.43
7.0.240.0030.01015.38
7.0.230.0030.00915.52
7.0.220.0040.00815.54
7.0.210.0050.00815.34
7.0.200.0510.00614.91
7.0.190.0070.00715.27
7.0.180.0030.00615.39
7.0.170.0000.00915.02
7.0.160.0060.00615.55
7.0.150.0040.00715.55
7.0.140.0080.00415.48
7.0.130.0040.00415.14
7.0.120.0040.01115.33
7.0.110.0080.00615.42
7.0.100.0090.00315.37
7.0.90.0030.01415.36
7.0.80.0030.01015.47
7.0.70.0070.00715.40
7.0.60.0160.04118.50
7.0.50.0060.04116.65
7.0.40.0040.02716.58
7.0.30.0220.03716.80
7.0.20.0170.02916.62
7.0.10.0090.02716.82
7.0.00.0080.03816.78
5.6.400.0120.00014.05
5.6.390.0030.00913.79
5.6.380.0040.00814.30
5.6.370.0030.01013.88
5.6.360.0060.00914.11
5.6.350.0090.00313.94
5.6.340.0030.01014.12
5.6.330.0130.00014.11
5.6.320.0090.00613.71
5.6.310.0040.00914.18
5.6.300.0040.01114.43
5.6.290.0060.00614.21
5.6.280.0000.02317.44
5.6.270.0000.00913.88
5.6.260.0030.00614.41
5.6.250.0060.01014.05
5.6.240.0070.00714.06
5.6.230.0000.00914.33
5.6.220.0090.00914.09
5.6.210.0080.03817.32
5.6.200.0050.04916.24
5.6.190.0070.04217.17
5.6.180.0150.03617.35
5.6.170.0190.04017.30
5.6.160.0060.02517.47
5.6.150.0090.03616.21
5.6.140.0110.03716.18
5.6.130.0070.03216.03
5.6.120.0110.02617.58
5.6.110.0050.05017.69
5.6.100.0050.04817.41
5.6.90.0110.04117.54
5.6.80.0100.03717.17
5.6.70.0030.01014.11
5.6.60.0090.00314.16
5.6.50.0140.00013.97
5.6.40.0060.00614.16
5.6.30.0040.01113.96
5.6.20.0000.00914.12
5.6.10.0040.01514.13
5.6.00.0030.01114.23
5.5.380.0060.00614.29
5.5.370.0030.01314.11
5.5.360.0070.00714.07
5.5.350.0130.04117.18
5.5.340.0070.03815.96
5.5.330.0050.04517.13
5.5.320.0130.04417.27
5.5.310.0210.04317.08
5.5.300.0000.03716.09
5.5.290.0100.04316.18
5.5.280.0050.04517.42
5.5.270.0040.04317.48
5.5.260.0060.04617.32
5.5.250.0070.04317.42
5.5.240.0130.03617.08
5.5.230.0070.00713.73
5.5.220.0000.01514.09
5.5.210.0100.00713.80
5.5.200.0070.00713.68
5.5.190.0090.00613.72
5.5.180.0030.01013.94
5.5.170.0080.00413.92
5.5.160.0040.00814.01
5.5.150.0060.00914.18
5.5.140.0000.01614.09
5.5.130.0030.01313.92
5.5.120.0040.01113.98
5.5.110.0070.00714.03
5.5.100.0060.00613.99
5.5.90.0000.00914.02
5.5.80.0030.01413.81
5.5.70.0000.01113.86
5.5.60.0100.00313.73
5.5.50.0080.00614.00
5.5.40.0100.00313.73
5.5.30.0090.00013.88
5.5.20.0040.00914.05
5.5.10.0070.00713.74
5.5.00.0000.01013.68

preferences:
54.57 ms | 401 KiB | 5 Q