3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = ["one", "one", "two", "two", "three"]; $count = array_count_values($arr); echo "duplicates \n"; var_dump(array_keys(array_diff($count, [1]))); echo "uniques \n"; var_dump(array_keys(array_intersect($count, [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)
8.5.10.0030.00718.31
8.5.00.0160.01019.80
8.4.160.0110.01122.27
8.4.150.0030.00014.05
8.4.140.0130.00817.55
8.4.130.0130.00318.68
8.4.120.0120.00923.99
8.4.110.0120.00918.67
8.4.100.0160.00517.39
8.4.90.0120.00917.39
8.4.80.0070.00217.80
8.4.70.0050.00417.55
8.4.60.0120.00818.38
8.4.50.0150.00720.50
8.4.40.0120.00017.50
8.4.30.0150.00617.83
8.4.20.0100.01020.47
8.4.10.0030.00617.57
8.3.280.0130.00818.31
8.3.270.0110.00816.14
8.3.260.0110.00816.55
8.3.250.0100.00918.66
8.3.240.0110.00817.04
8.3.230.0130.00616.62
8.3.220.0100.00718.27
8.3.210.0100.00916.50
8.3.200.0120.00716.65
8.3.190.0110.00817.10
8.3.180.0050.00316.66
8.3.170.0100.01017.29
8.3.160.0060.01216.52
8.3.150.0040.01118.91
8.3.140.0000.00816.74
8.3.130.0000.00918.13
8.3.120.0160.00018.61
8.3.110.0050.00316.63
8.3.100.0060.00324.06
8.3.90.0110.00426.77
8.3.80.0040.00416.50
8.3.70.0100.01016.58
8.3.60.0040.01118.31
8.3.50.0090.00518.13
8.3.40.0120.00318.59
8.3.30.0040.01118.44
8.3.20.0080.00019.07
8.3.10.0060.00321.73
8.3.00.0080.00020.41
8.2.290.0130.00520.36
8.2.280.0120.00718.09
8.2.270.0060.01217.37
8.2.260.0030.00616.42
8.2.250.0070.00018.38
8.2.240.0030.00618.73
8.2.230.0070.00320.94
8.2.220.0070.00337.54
8.2.210.0090.00926.77
8.2.200.0060.00316.38
8.2.190.0070.01018.04
8.2.180.0000.01818.41
8.2.170.0100.01018.75
8.2.160.0100.00322.96
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0040.00419.63
8.2.120.0040.00426.35
8.2.110.0090.00019.27
8.2.100.0110.00018.16
8.2.90.0030.00617.75
8.2.80.0040.00417.97
8.2.70.0040.00417.93
8.2.60.0000.00718.22
8.2.50.0030.00618.10
8.2.40.0000.00821.06
8.2.30.0000.00719.16
8.2.20.0070.00017.88
8.2.10.0000.00818.02
8.2.00.0040.00417.71
8.1.330.0110.00816.82
8.1.320.0090.01116.03
8.1.310.0080.00016.63
8.1.300.0080.00018.46
8.1.290.0000.00818.88
8.1.280.0100.00725.92
8.1.270.0080.00020.53
8.1.260.0040.00426.35
8.1.250.0050.00328.09
8.1.240.0040.00422.14
8.1.230.0030.01018.83
8.1.220.0000.00917.74
8.1.210.0060.00318.77
8.1.200.0050.00317.23
8.1.190.0060.00317.22
8.1.180.0040.00418.10
8.1.170.0040.00418.59
8.1.160.0000.00818.80
8.1.150.0040.00418.81
8.1.140.0030.00322.09
8.1.130.0000.00620.25
8.1.120.0030.00317.36
8.1.110.0070.00017.44
8.1.100.0040.00417.30
8.1.90.0000.00717.37
8.1.80.0050.00317.27
8.1.70.0070.00017.34
8.1.60.0040.00417.49
8.1.50.0000.01017.34
8.1.40.0000.00817.32
8.1.30.0000.00917.44
8.1.20.0020.00517.59
8.1.10.0050.00217.37
8.1.00.0030.00617.38
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0000.00818.42
8.0.270.0030.00517.30
8.0.260.0030.00318.43
8.0.250.0000.00716.89
8.0.240.0030.00316.92
8.0.230.0000.00816.78
8.0.220.0050.00316.82
8.0.210.0030.00316.80
8.0.200.0030.00316.82
8.0.190.0040.00416.84
8.0.180.0000.00816.87
8.0.170.0080.00016.83
8.0.160.0070.00016.89
8.0.150.0000.00816.71
8.0.140.0000.00816.80
8.0.130.0000.00613.23
8.0.120.0070.00016.73
8.0.110.0000.00716.85
8.0.100.0050.00316.59
8.0.90.0040.00416.63
8.0.80.0090.00916.80
8.0.70.0000.00816.75
8.0.60.0050.00216.81
8.0.50.0050.00316.69
8.0.30.0110.00617.04
8.0.20.0070.01117.40
8.0.10.0000.00716.93
8.0.00.0100.01016.70
7.4.330.0000.00415.55
7.4.320.0030.00316.37
7.4.300.0050.00316.41
7.4.290.0070.00016.39
7.4.280.0070.00316.34
7.4.270.0000.00716.56
7.4.260.0030.00316.39
7.4.250.0050.00216.49
7.4.240.0020.00516.47
7.4.230.0000.00716.23
7.4.220.0000.00716.53
7.4.210.0100.00716.42
7.4.200.0000.00716.45
7.4.160.0130.00316.40
7.4.140.0140.00517.86
7.4.130.0150.00616.62
7.4.120.0100.00816.37
7.4.110.0130.00416.41
7.4.100.0030.01316.48
7.4.90.0090.00916.40
7.4.80.0140.01019.39
7.4.70.0100.01016.61
7.4.60.0130.00316.42
7.4.50.0030.01216.41
7.4.40.0090.01416.21
7.4.00.0060.00514.96
7.3.330.0000.00512.88
7.3.320.0030.00312.93
7.3.310.0040.00416.18
7.3.300.0000.00615.96
7.3.290.0000.00716.08
7.3.280.0080.01016.16
7.3.260.0110.00816.23
7.3.240.0110.00716.30
7.3.230.0130.00516.08
7.3.210.0110.00816.20
7.3.200.0080.00816.02
7.3.190.0160.00316.25
7.3.180.0160.00616.39
7.3.170.0030.01316.24
7.3.160.0040.01416.29
7.3.120.0030.01414.69
7.3.110.0060.01214.81
7.3.100.0070.00714.65
7.3.90.0130.00614.96
7.3.80.0060.00614.89
7.3.70.0040.00814.63
7.3.60.0030.01014.75
7.3.50.0060.00614.48
7.3.40.0070.00714.25
7.3.30.0000.00914.54
7.3.20.0000.01416.50
7.3.10.0100.00716.54
7.3.00.0080.00616.46
7.2.330.0140.00516.45
7.2.320.0060.01216.64
7.2.310.0090.00916.34
7.2.300.0090.00616.20
7.2.290.0040.01316.67
7.2.250.0070.01115.05
7.2.240.0100.01015.06
7.2.230.0070.01314.86
7.2.220.0040.01114.81
7.2.210.0000.01615.12
7.2.200.0060.00914.93
7.2.190.0000.01414.66
7.2.180.0110.00415.00
7.2.170.0060.00615.00
7.2.130.0100.00816.55
7.2.120.0070.01216.66
7.2.110.0160.00515.84
7.2.100.0140.00816.06
7.2.90.0180.01116.17
7.2.80.0170.00516.07
7.2.70.0140.00416.09
7.2.60.0190.00616.23
7.2.50.0140.00916.06
7.2.40.0120.01015.99
7.2.30.0110.01016.24
7.2.20.0100.00716.03
7.2.10.0130.00716.09
7.2.00.0110.00916.17
7.1.330.0030.01215.66
7.1.320.0080.00415.39
7.1.310.0000.01515.83
7.1.300.0070.00715.36
7.1.290.0130.00315.53
7.1.280.0030.01015.68
7.1.270.0120.00315.54
7.1.260.0030.00815.77
7.1.250.0110.00615.54
7.1.230.0170.00713.59
7.1.220.0130.00713.86
7.1.210.1040.00313.66
7.1.200.0230.01013.94
7.1.190.0180.00413.60
7.1.180.0210.01013.94
7.1.170.0280.00413.61
7.1.160.0130.01013.66
7.1.150.0160.00913.95
7.1.140.0180.00913.63
7.1.130.0160.00613.65
7.1.120.0160.01013.88
7.1.110.0170.00713.93
7.1.100.0220.00413.97
7.1.90.0200.00713.86
7.1.80.0150.01513.77
7.1.70.0190.00414.03
7.1.60.1090.01331.98
7.1.50.0350.00631.79
7.1.40.0520.00031.43
7.1.30.0370.00331.71
7.1.20.0370.01131.73
7.1.10.0260.00713.82
7.1.00.0260.00613.71
5.6.380.0060.00814.11

preferences:
165.99 ms | 403 KiB | 5 Q