3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [4, 3.1, 4, false, 3.2, 1, 2, 1]; $result = []; foreach ($array as $index => $value) { foreach ($array as $i => $v) { if ($value === $v && $index !== $i) { continue 2; // duplicate found, stop checking this value; do not retain } } $result[] = $value; } var_export($result);

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)
8.5.10.0140.00516.82
8.5.00.0140.00819.92
8.4.160.0130.00920.44
8.4.150.0010.00214.05
8.4.140.0140.00817.68
8.4.130.0060.00419.60
8.4.120.0050.00420.51
8.4.110.0090.01222.40
8.4.100.0130.00817.80
8.4.90.0120.00818.58
8.4.80.0120.00919.52
8.4.70.0090.00817.93
8.4.60.0130.00818.58
8.4.50.0100.00817.74
8.4.40.0140.00717.62
8.4.30.0110.00820.45
8.4.20.0180.00317.96
8.4.10.0130.00719.62
8.3.280.0150.00518.63
8.3.270.0120.00816.50
8.3.260.0130.00616.52
8.3.250.0120.00619.05
8.3.240.0100.00916.56
8.3.230.0100.00816.80
8.3.220.0070.00217.12
8.3.210.0090.00616.64
8.3.200.0030.00516.68
8.3.190.0100.00817.07
8.3.180.0080.00616.49
8.3.170.0070.00716.54
8.3.160.0090.00918.46
8.3.150.0090.00917.12
8.3.140.0110.00417.15
8.3.130.0040.00418.46
8.3.120.0040.00819.06
8.3.110.0030.00620.94
8.3.100.0110.00424.06
8.3.90.0060.00326.77
8.3.80.0060.00318.31
8.3.70.0070.00716.58
8.3.60.0160.00018.43
8.3.50.0170.00020.08
8.3.40.0110.00418.84
8.3.30.0090.00918.68
8.3.20.0050.00324.18
8.3.10.0050.00324.66
8.3.00.0070.00026.16
8.2.290.0090.00720.76
8.2.280.0110.00518.25
8.2.270.0120.00616.34
8.2.260.0040.00417.20
8.2.250.0040.00417.02
8.2.240.0080.00417.17
8.2.230.0030.00622.58
8.2.220.0030.00637.54
8.2.210.0110.00726.77
8.2.200.0040.00816.63
8.2.190.0140.00416.75
8.2.180.0150.00025.92
8.2.170.0060.00919.09
8.2.160.0070.00722.96
8.2.150.0040.00425.66
8.2.140.0000.00824.66
8.2.130.0050.00326.16
8.2.120.0040.00419.66
8.2.110.0040.00420.31
8.2.100.0080.00418.00
8.2.90.0040.00417.88
8.2.80.0060.00318.73
8.2.70.0000.00817.63
8.2.60.0060.00317.63
8.2.50.0040.00417.75
8.2.40.0080.00019.78
8.2.30.0000.00717.82
8.2.20.0000.00722.27
8.2.10.0070.00017.63
8.2.00.0040.00419.24
8.1.330.0050.00522.16
8.1.320.0110.00816.04
8.1.310.0110.00416.59
8.1.300.0130.00619.58
8.1.290.0040.00418.88
8.1.280.0110.00425.92
8.1.270.0000.00723.99
8.1.260.0090.00026.35
8.1.250.0080.00028.09
8.1.240.0030.00523.84
8.1.230.0100.00319.13
8.1.220.0000.00817.77
8.1.210.0050.00318.77
8.1.200.0040.00417.36
8.1.190.0060.00317.23
8.1.180.0050.00518.10
8.1.170.0050.00317.62
8.1.160.0030.00319.07
8.1.150.0040.00418.55
8.1.140.0040.00417.50
8.1.130.0000.00718.88
8.1.120.0060.00317.48
8.1.110.0050.00317.49
8.1.100.0030.00317.48
8.1.90.0000.00717.41
8.1.80.0040.00417.35
8.1.70.0000.00717.47
8.1.60.0040.00417.50
8.1.50.0000.00917.57
8.1.40.0030.00917.43
8.1.30.0040.00417.68
8.1.20.0050.00317.56
8.1.10.0000.00717.51
8.1.00.0000.00717.45
8.0.300.0040.00419.66
8.0.290.0070.00016.75
8.0.280.0030.00318.52
8.0.270.0030.00316.82
8.0.260.0030.00318.38
8.0.250.0030.00316.86
8.0.240.0030.00516.86
8.0.230.0000.00716.98
8.0.220.0070.00016.85
8.0.210.0070.00016.90
8.0.200.0040.00416.95
8.0.190.0070.00316.97
8.0.180.0070.00316.80
8.0.170.0050.00316.97
8.0.160.0000.00816.94
8.0.150.0030.00316.85
8.0.140.0060.00316.76
8.0.130.0150.00416.70
8.0.120.0130.00416.88
8.0.110.0150.00316.88
8.0.100.0150.00316.89
8.0.90.0140.00516.91
8.0.80.0150.00316.94
8.0.70.0090.00916.90
8.0.60.0110.00716.80
8.0.50.0050.00916.71
8.0.30.0140.00516.90
8.0.20.0090.00916.92
8.0.10.0150.00517.05
8.0.00.0060.00316.89
7.4.330.0000.00515.55
7.4.320.0000.00616.61
7.4.300.0040.00416.60
7.4.290.0000.00916.45
7.4.280.0040.00416.55
7.4.270.0030.00516.52
7.4.260.0180.00516.53
7.4.250.0160.00616.56
7.4.240.0170.00316.52
7.4.230.0160.00516.36
7.4.220.0160.00216.55
7.4.210.0180.00016.56
7.4.200.0130.00316.48
7.4.190.0130.00416.62
7.4.180.0160.00316.52
7.4.160.0110.00616.56
7.4.150.0170.00416.49
7.4.140.0150.00516.58
7.4.130.0160.00216.42
7.4.120.0110.00616.43
7.4.110.0130.00416.40
7.4.100.0100.00716.55
7.4.90.0150.00316.42
7.4.80.0180.00016.43
7.4.70.0120.00616.45
7.4.60.0130.00416.44
7.4.50.0080.00816.37
7.4.40.0130.00416.27
7.4.30.0150.00216.29
7.4.20.0130.00416.50
7.4.10.0130.00416.40
7.4.00.0130.00316.34
7.3.330.0140.00416.32
7.3.320.0090.00916.33
7.3.310.0130.00516.16
7.3.300.0150.00316.35
7.3.290.0060.01216.22
7.3.280.0150.00316.37
7.3.270.0140.00516.32
7.3.260.0110.00416.41
7.3.250.0150.00316.16
7.3.240.0050.00916.32
7.3.230.0120.00616.46
7.3.220.0090.00916.26
7.3.210.0130.00716.38
7.3.200.0200.00016.21
7.3.190.0120.00416.07
7.3.180.0090.00316.13
7.3.170.0080.00416.04
7.3.160.0090.00216.15
7.3.150.0120.00016.18
7.3.140.0120.00015.86
7.3.130.0050.00816.24
7.3.120.0130.00016.33
7.3.110.0090.00316.24
7.3.100.0050.00515.81
7.3.90.0080.00316.07
7.3.80.0080.00416.07
7.3.70.0110.00016.33
7.3.60.0090.00316.00
7.3.50.0070.00716.18
7.3.40.0040.00816.23
7.3.30.0110.00016.36
7.3.20.0060.00618.11
7.3.10.0100.00218.09
7.3.00.0090.00418.22

preferences:
37.85 ms | 403 KiB | 5 Q