3v4l.org

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

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)
8.3.60.0060.00916.75
8.3.50.0110.00416.21
8.3.40.0170.00318.84
8.3.30.0090.00618.71
8.3.20.0040.00419.98
8.3.10.0030.00523.48
8.3.00.0040.00421.75
8.2.180.0040.01418.53
8.2.170.0100.00722.96
8.2.160.0060.00920.39
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00421.13
8.2.120.0080.00026.35
8.2.110.0030.00719.08
8.2.100.0060.00618.04
8.2.90.0040.00419.26
8.2.80.0080.00017.97
8.2.70.0040.00417.50
8.2.60.0000.00917.80
8.2.50.0070.00418.09
8.2.40.0050.00322.19
8.2.30.0000.00719.48
8.2.20.0060.00317.66
8.2.10.0000.00717.95
8.2.00.0040.00417.92
8.1.280.0110.00425.92
8.1.270.0040.01522.02
8.1.260.0040.00428.09
8.1.250.0040.00428.09
8.1.240.0030.00622.48
8.1.230.0110.00017.83
8.1.220.0000.00817.78
8.1.210.0000.00818.77
8.1.200.0090.00017.23
8.1.190.0090.00017.22
8.1.180.0000.00818.10
8.1.170.0000.00918.66
8.1.160.0000.00720.72
8.1.150.0050.00618.75
8.1.140.0040.00419.50
8.1.130.0030.00617.73
8.1.120.0030.00317.43
8.1.110.0050.00217.36
8.1.100.0030.00517.24
8.1.90.0040.00417.29
8.1.80.0000.01017.31
8.1.70.0000.00717.29
8.1.60.0000.00717.47
8.1.50.0000.00817.51
8.1.40.0080.00417.43
8.1.30.0080.00017.62
8.1.20.0000.00817.59
8.1.10.0000.00717.52
8.1.00.0000.01017.39
8.0.300.0040.00418.77
8.0.290.0000.00716.75
8.0.280.0030.00518.29
8.0.270.0000.00817.18
8.0.260.0030.00317.09
8.0.250.0030.00316.83
8.0.240.0030.00716.83
8.0.230.0000.00716.94
8.0.220.0000.00716.89
8.0.210.0040.00416.75
8.0.200.0030.00316.89
8.0.190.0090.00016.93
8.0.180.0030.00316.96
8.0.170.0050.00316.79
8.0.160.0080.00016.86
8.0.150.0000.00716.84
8.0.140.0070.00316.72
8.0.130.0000.00513.35
8.0.120.0000.00816.82
8.0.110.0000.00716.86
8.0.100.0040.00416.86
8.0.90.0000.00816.78
8.0.80.0030.01216.85
8.0.70.0050.00216.90
8.0.60.0000.00716.73
8.0.50.0080.00016.96
8.0.30.0100.00817.09
8.0.20.0090.01017.40
8.0.10.0080.00016.96
8.0.00.0040.01316.97
7.4.330.0030.00316.66
7.4.320.0030.00316.54
7.4.300.0070.00016.55
7.4.290.0030.00316.49
7.4.280.0070.00016.56
7.4.270.0030.00316.42
7.4.260.0060.00016.53
7.4.250.0040.00416.46
7.4.240.0080.00016.43
7.4.230.0070.00016.45
7.4.220.0060.01116.62
7.4.210.0040.01216.47
7.4.200.0000.00716.63
7.4.160.0110.01116.36
7.4.150.0090.00917.40
7.4.140.0130.01217.86
7.4.130.0090.01116.35
7.4.120.0100.00616.45
7.4.110.0170.00716.50
7.4.100.0070.01716.41
7.4.90.0060.01016.54
7.4.80.0090.00919.39
7.4.70.0040.01416.59
7.4.60.0120.01116.59
7.4.50.0070.01116.70
7.4.40.0120.00416.38
7.4.30.0070.01016.61
7.4.10.0080.01114.82
7.4.00.0070.00815.04
7.3.330.0000.00513.21
7.3.320.0020.00213.18
7.3.310.0070.00016.25
7.3.300.0000.00616.29
7.3.290.0000.00616.24
7.3.280.0100.00716.38
7.3.270.0030.01517.40
7.3.260.0130.01016.30
7.3.250.0110.00616.35
7.3.240.0100.00716.47
7.3.230.0120.00616.46
7.3.210.0030.01516.39
7.3.200.0090.00619.39
7.3.190.0040.01216.36
7.3.180.0100.00616.42
7.3.170.0100.00716.46
7.3.160.0090.00616.45
7.3.130.0070.00714.66
7.3.120.0050.01114.82
7.3.110.0080.00814.71
7.3.100.0090.00614.79
7.3.90.0080.00714.84
7.3.80.0060.00514.89
7.3.70.0060.00714.69
7.3.60.0020.01414.85
7.3.50.0080.00614.84
7.3.40.0080.00614.64
7.3.30.0050.01114.63
7.3.20.0020.01216.55
7.3.10.0060.00616.53
7.3.00.0060.00616.51
7.2.330.0070.01016.61
7.2.320.0090.01416.57
7.2.310.0110.00616.81
7.2.300.0150.00316.68
7.2.290.0030.01316.55
7.2.260.0100.00914.99
7.2.250.0100.00814.96
7.2.240.0060.00914.87
7.2.230.0060.00814.83
7.2.220.0090.00814.68
7.2.210.0050.00814.81
7.2.200.0070.00714.91
7.2.190.0080.00614.82
7.2.180.0070.00814.96
7.2.170.0060.01114.87
7.2.160.0050.01114.92
7.2.150.0070.00816.80
7.2.140.0080.00716.85
7.2.130.0120.00516.83
7.2.120.0030.01016.68
7.2.110.0060.00816.80
7.2.100.0060.01016.69
7.2.90.0090.00816.72
7.2.80.0110.00716.67
7.2.70.0100.00516.85
7.2.60.0040.00916.83
7.2.50.0070.00916.81
7.2.40.0060.00816.67
7.2.30.0080.00816.86
7.2.20.0070.00616.82
7.2.10.0050.00816.88
7.2.00.0060.00917.38
7.1.330.0030.01115.73
7.1.320.0060.00615.61
7.1.310.0050.00715.70
7.1.300.0050.00515.59
7.1.290.0030.00715.73
7.1.280.0060.01015.72
7.1.270.0090.00615.73
7.1.260.0040.01115.88
7.1.250.0050.01015.77
7.1.240.0050.00715.43
7.1.230.0060.00615.88
7.1.220.0050.01115.62
7.1.210.0090.00715.67
7.1.200.0050.00815.66
7.1.190.0020.00915.88
7.1.180.0100.00315.74
7.1.170.0060.00615.59
7.1.160.0030.00915.69
7.1.150.0050.00715.68
7.1.140.0070.00615.63
7.1.130.0050.00715.90
7.1.120.0050.00515.58
7.1.110.0060.00615.81
7.1.100.0080.00616.63
7.1.90.0040.00815.83
7.1.80.0050.00615.71
7.1.70.0010.00816.32
7.1.60.0120.00616.93
7.1.50.0070.00815.79
7.1.40.0050.01015.64
7.1.30.0000.01015.80
7.1.20.0080.00515.76
7.1.10.0070.00615.74
7.1.00.0060.02917.88
7.0.330.0020.01315.06
7.0.320.0020.01215.05
7.0.310.0000.01215.46
7.0.300.0030.01115.29
7.0.290.0080.00615.38
7.0.280.0080.00315.17
7.0.270.0030.00915.24
7.0.260.0050.01015.28
7.0.250.0100.00215.21
7.0.240.0030.00915.38
7.0.230.0060.00715.21
7.0.220.0020.00915.28
7.0.210.0040.00915.41
7.0.200.0390.00515.05
7.0.190.0080.00215.10
7.0.180.0090.00515.28
7.0.170.0060.00615.36
7.0.160.0080.00615.30
7.0.150.0080.00915.13
7.0.140.0070.00415.26
7.0.130.0050.01215.40
7.0.120.0090.00515.43
7.0.110.0050.00815.14
7.0.100.0070.00815.10
7.0.90.0030.00815.22
7.0.80.0050.01115.04
7.0.70.0060.00515.17
7.0.60.0100.02517.38
7.0.50.0090.02916.28
7.0.40.0040.01915.65
7.0.30.0100.01815.69
7.0.20.0100.03015.59
7.0.10.0060.03515.47
7.0.00.0050.02515.62
5.6.400.0080.00714.04
5.6.390.0070.00913.89
5.6.380.0030.01213.94
5.6.370.0030.01114.12
5.6.360.0070.01013.98
5.6.350.0050.00914.28
5.6.340.0080.00513.94
5.6.330.0110.00214.02
5.6.320.0050.00714.20
5.6.310.0030.00814.09
5.6.300.0060.00814.07
5.6.290.0040.00913.91
5.6.280.0040.01816.42
5.6.270.0060.00914.26
5.6.260.0050.00914.04
5.6.250.0030.01414.16
5.6.240.0030.01114.11
5.6.230.0110.00714.13
5.6.220.0090.00414.12
5.6.210.0040.03416.24
5.6.200.0060.03315.34
5.6.190.0110.02716.14
5.6.180.0140.02716.29
5.6.170.0120.02316.18
5.6.160.0080.03016.12
5.6.150.0040.02915.37
5.6.140.0060.03415.57
5.6.130.0090.02115.37
5.6.120.0070.03216.31
5.6.110.0090.03316.40
5.6.100.0080.02816.35
5.6.90.0070.03316.22
5.6.80.0100.02516.10
5.6.70.0060.00813.80
5.6.60.0030.01013.86
5.6.50.0090.00613.92
5.6.40.0010.01114.08
5.6.30.0070.00814.05
5.6.20.0060.00813.89
5.6.10.0060.00413.88
5.6.00.0060.00613.93
5.5.380.0070.00914.12
5.5.370.0110.00313.76
5.5.360.0070.00514.10
5.5.350.0140.03015.85
5.5.340.0060.03315.27
5.5.330.0060.02016.13
5.5.320.0160.01816.04
5.5.310.0150.02416.16
5.5.300.0050.01715.24
5.5.290.0060.02815.27
5.5.280.0080.02016.36
5.5.270.0020.02316.40
5.5.260.0020.03216.27
5.5.250.0030.03016.15
5.5.240.0120.02415.84
5.5.230.0060.00613.75
5.5.220.0050.00714.02
5.5.210.0060.00514.06
5.5.200.0030.00913.88
5.5.190.0000.01113.75
5.5.180.0010.00714.10
5.5.170.0030.01013.89
5.5.160.0030.01213.96
5.5.150.0050.00913.89
5.5.140.0080.00513.83
5.5.130.0060.00814.06
5.5.120.0080.00914.07
5.5.110.0050.00813.95
5.5.100.0040.01113.97
5.5.90.0030.00914.10
5.5.80.0070.00314.06
5.5.70.0060.00613.89
5.5.60.0050.00913.86
5.5.50.0110.00613.83
5.5.40.0070.00713.91
5.5.30.0070.00914.16
5.5.20.0050.01113.91
5.5.10.0000.01313.80
5.5.00.0030.00713.69

preferences:
56.46 ms | 400 KiB | 5 Q