3v4l.org

run code in 300+ PHP versions simultaneously
<?php function array_not_unique(array $a): array { return array_diff_key( $a, array_unique($a) ); } $array = [ 'apple', 'orange', 'pear', 'banana', 'apple', 'pear', 'kiwi', 'kiwi', 'kiwi' ]; var_export(array_not_unique($array));

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)
8.5.00.0150.00619.93
8.4.150.0080.00616.91
8.4.140.0090.01117.47
8.4.130.0100.00918.77
8.4.120.0160.00324.23
8.4.110.0130.00622.63
8.4.100.0100.00918.66
8.4.90.0140.00620.47
8.4.80.0050.00418.83
8.4.70.0090.00917.83
8.4.60.0120.00818.79
8.4.50.0120.00818.36
8.4.40.0030.00617.69
8.4.30.0120.00620.34
8.4.20.0130.00924.11
8.4.10.0090.00023.93
8.3.280.0140.00818.18
8.3.270.0150.00516.76
8.3.260.0090.01116.64
8.3.250.0050.00319.05
8.3.240.0040.00517.17
8.3.230.0080.00716.29
8.3.220.0130.00718.80
8.3.210.0050.00318.16
8.3.200.0050.00416.50
8.3.190.0100.00816.85
8.3.180.0100.01016.87
8.3.170.0040.01318.68
8.3.160.0100.00717.18
8.3.150.0150.00318.91
8.3.140.0040.00416.63
8.3.130.0040.00418.53
8.3.120.0080.00820.76
8.3.110.0210.00320.94
8.3.100.0000.00824.06
8.3.90.0030.00526.77
8.3.80.0040.00417.97
8.3.70.0120.00616.50
8.3.60.0080.00816.75
8.3.50.0140.00016.85
8.3.40.0120.00620.05
8.3.30.0150.00018.45
8.3.20.0040.00424.18
8.3.10.0070.00024.66
8.3.00.0050.00326.16
8.2.290.0100.01016.32
8.2.280.0060.00218.50
8.2.270.0110.00716.95
8.2.260.0030.00618.09
8.2.250.0070.00016.46
8.2.240.0030.00617.10
8.2.230.0060.00322.58
8.2.220.0060.00937.54
8.2.210.0060.00326.77
8.2.200.0030.00718.41
8.2.190.0040.01416.63
8.2.180.0120.00916.47
8.2.170.0100.01018.75
8.2.160.0080.00822.96
8.2.150.0080.00025.66
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0000.00821.00
8.2.110.0000.01121.18
8.2.100.0110.00017.66
8.2.90.0050.00317.91
8.2.80.0090.00019.22
8.2.70.0110.00648.63
8.2.60.0110.00538.18
8.2.50.0120.00337.94
8.2.40.0090.01038.06
8.2.30.0140.00538.11
8.2.20.0120.00738.02
8.2.10.0170.00238.11
8.2.00.0120.00638.02
8.1.330.0120.00715.82
8.1.320.0100.01017.93
8.1.310.0070.01116.70
8.1.300.0120.00417.62
8.1.290.0060.00330.84
8.1.280.0100.01025.92
8.1.270.0100.00023.79
8.1.260.0100.00026.35
8.1.250.0040.00428.09
8.1.240.0090.00022.15
8.1.230.0110.00020.89
8.1.220.0040.00417.74
8.1.210.0060.00320.33
8.1.200.0130.00248.28
8.1.190.0110.00437.77
8.1.180.0100.00638.14
8.1.170.0080.00837.98
8.1.160.0110.00637.98
8.1.150.0140.00430.60
8.1.140.0090.00738.02
8.1.130.0140.00337.97
8.1.120.0130.00338.11
8.1.110.0130.00437.97
8.1.100.0170.00037.94
8.1.90.0120.00438.01
8.1.80.0140.00238.06
8.1.70.0100.00637.98
8.1.60.0150.00338.06
8.1.50.0120.00737.97
8.1.40.0160.00238.11
8.1.30.0120.00637.98
8.1.20.0090.00938.11
8.1.10.0130.00638.02
8.1.00.0170.00137.98
8.0.300.0050.00220.09
8.0.290.0050.00533.19
8.0.280.0120.00637.82
8.0.270.0100.00737.82
8.0.260.0130.00337.86
8.0.250.0090.00837.82
8.0.240.0160.00137.86
8.0.230.0130.00437.90
8.0.220.0140.00337.82
8.0.210.0120.00537.82
8.0.200.0150.00237.86
8.0.190.0130.00537.82
8.0.180.0090.00737.82
8.0.170.0130.00237.82
8.0.160.0120.00437.82
8.0.150.0110.00637.82
8.0.140.0130.00337.82
8.0.130.0130.00337.82
8.0.120.0090.00737.82
8.0.110.0120.00437.82
8.0.100.0110.00637.82
8.0.90.0100.00637.82
8.0.80.0120.00437.82
8.0.70.0160.00037.82
8.0.60.0120.00537.85
8.0.50.0130.00437.82
8.0.30.0140.00337.82
8.0.20.0140.00237.82
8.0.10.0140.00337.82
7.4.50.0170.00922.96

preferences:
31.76 ms | 403 KiB | 5 Q