3v4l.org

run code in 300+ PHP versions simultaneously
<?php function utils_removeDuplicates($str, $delimiter = ',') { if($str != '') { $str = implode($delimiter,array_unique(explode($delimiter, $str))); } return $str; } $data = "88, 99, 99,99, 100"; echo utils_removeDuplicates($data); //$a = preg_split( '/[, ]+/', $data, -1, PREG_SPLIT_NO_EMPTY );

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)
8.3.60.0120.00318.29
8.3.50.0110.00522.02
8.3.40.0040.01818.63
8.3.30.0070.01018.90
8.3.20.0080.00020.20
8.3.10.0080.00020.18
8.3.00.0060.00317.50
8.2.180.0190.00318.29
8.2.170.0120.00322.96
8.2.160.0080.00820.44
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0040.00422.17
8.2.110.0030.00621.18
8.2.100.0150.00317.52
8.2.90.0040.00417.97
8.2.80.0030.00517.97
8.2.70.0030.00617.50
8.2.60.0050.00317.93
8.2.50.0000.00918.07
8.2.40.0000.00718.16
8.2.30.0000.00719.32
8.2.20.0070.00017.56
8.2.10.0040.00417.99
8.2.00.0000.00717.76
8.1.280.0040.01525.92
8.1.270.0030.00624.66
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0030.00622.54
8.1.230.0040.00920.93
8.1.220.0030.00517.79
8.1.210.0050.00518.77
8.1.200.0000.01017.23
8.1.190.0040.00417.22
8.1.180.0050.00218.10
8.1.170.0070.00418.51
8.1.160.0040.00422.01
8.1.150.0070.00018.97
8.1.140.0000.00817.47
8.1.130.0030.00317.90
8.1.120.0040.00417.44
8.1.110.0000.00817.46
8.1.100.0000.00717.46
8.1.90.0070.00017.47
8.1.80.0040.00417.46
8.1.70.0000.00817.34
8.1.60.0040.00417.50
8.1.50.0070.00317.54
8.1.40.0080.00017.55
8.1.30.0060.00317.64
8.1.20.0050.00317.62
8.1.10.0080.00017.54
8.1.00.0040.00417.48
8.0.300.0000.00820.04
8.0.290.0000.00716.63
8.0.280.0070.00018.33
8.0.270.0030.00416.75
8.0.260.0020.00517.18
8.0.250.0000.00717.00
8.0.240.0000.00716.92
8.0.230.0070.00016.88
8.0.220.0000.00716.90
8.0.210.0030.00316.80
8.0.200.0070.00016.81
8.0.190.0000.00816.78
8.0.180.0020.00516.79
8.0.170.0000.00816.85
8.0.160.0000.00816.79
8.0.150.0040.00416.73
8.0.140.0030.00616.79
8.0.130.0060.00013.26
8.0.120.0040.00416.67
8.0.110.0050.00316.85
8.0.100.0030.00316.93
8.0.90.0030.00516.66
8.0.80.0070.01116.79
8.0.70.0040.00416.88
8.0.60.0070.00016.69
8.0.50.0040.00416.88
8.0.30.0140.00817.06
8.0.20.0140.00917.40
8.0.10.0030.00516.84
8.0.00.0090.01016.77
7.4.330.0050.00015.09
7.4.320.0040.00416.51
7.4.300.0030.00316.43
7.4.290.0030.00316.56
7.4.280.0050.00616.59
7.4.270.0040.00416.60
7.4.260.0070.00016.53
7.4.250.0040.00316.46
7.4.240.0040.00416.53
7.4.230.0030.00316.60
7.4.220.0030.01616.55
7.4.210.0040.01116.63
7.4.200.0030.00316.72
7.4.160.0060.00916.55
7.4.150.0130.00317.40
7.4.140.0110.01017.86
7.4.130.0080.00816.47
7.4.120.0110.00816.56
7.4.110.0110.00716.70
7.4.100.0100.00616.48
7.4.90.0090.00916.57
7.4.80.0090.01018.80
7.4.70.0070.01016.38
7.4.60.0130.00716.30
7.4.50.0000.00416.41
7.4.40.0090.00916.58
7.4.30.0100.01016.50
7.4.00.0130.00314.73
7.3.330.0060.00013.27
7.3.320.0000.00513.26
7.3.310.0040.00416.34
7.3.300.0000.00716.16
7.3.290.0030.01416.27
7.3.280.0080.00816.29
7.3.270.0100.00717.40
7.3.260.0170.00016.51
7.3.250.0120.00716.53
7.3.240.0100.00716.51
7.3.230.0110.00716.39
7.3.210.0070.01016.48
7.3.200.0110.00619.39
7.3.190.0110.01116.16
7.3.180.0120.00616.50
7.3.170.0140.00316.46
7.3.160.0070.01016.56
7.2.330.0040.01316.50
7.2.320.0040.01516.30
7.2.310.0030.01316.41
7.2.300.0080.00816.65
7.2.290.0140.01416.72
7.2.60.0060.00616.68
7.2.00.0060.00619.27
7.1.200.0040.00815.61
7.1.100.0040.00818.34
7.1.70.0020.00517.11
7.1.60.0180.00719.32
7.1.50.0080.00816.70
7.1.00.0070.07322.36
7.0.200.0030.00616.89
7.0.140.0000.07722.10
7.0.60.0100.08319.90
7.0.50.0030.04017.72
7.0.40.0070.05720.02
7.0.30.0430.04020.25
7.0.20.0270.05320.30
7.0.10.0030.09020.05
7.0.00.0070.08720.26
5.6.280.0070.06721.09
5.6.210.0100.07720.66
5.6.200.0030.08318.17
5.6.190.0030.04320.59
5.6.180.1830.04320.55
5.6.170.0370.07320.52
5.6.160.0030.07320.46
5.6.150.0000.04318.21
5.6.140.0100.07718.27
5.6.130.0100.06318.12
5.6.120.0070.03721.14
5.6.110.0000.04721.15
5.6.100.0200.07320.89
5.6.90.0130.08320.99
5.6.80.0070.08020.41
5.6.70.0270.04720.47
5.5.350.0300.07020.34
5.5.340.0100.05717.99
5.5.330.0100.08020.27
5.5.320.0230.04720.27
5.5.310.0130.07320.30
5.5.300.0000.04318.09
5.5.290.0130.06018.01
5.5.280.0070.06320.88
5.5.270.0070.08320.84
5.5.260.0000.07020.80
5.5.250.0100.06720.66
5.5.240.0230.03320.35
5.4.450.1130.06319.39
5.4.440.0330.05019.60
5.4.430.0830.05319.44
5.4.420.0800.00019.53
5.4.410.0630.00019.28
5.4.400.0630.00019.23
5.4.390.0630.00019.07
5.4.380.0370.05718.61
5.4.370.0370.04718.47
5.4.360.0470.04318.80
5.4.350.0500.06718.72
5.4.340.0300.06318.80
5.4.320.0070.03812.50
5.4.310.0080.04012.50
5.4.300.0080.03812.50
5.4.290.0070.03712.50
5.4.280.0090.03312.40
5.4.270.0110.03412.40
5.4.260.0050.03912.40
5.4.250.0090.04112.39
5.4.240.0080.03512.39
5.4.230.0060.04612.39
5.4.220.0070.04112.39
5.4.210.0110.03912.39
5.4.200.0110.03312.39
5.4.190.0120.03612.38
5.4.180.0060.04212.38
5.4.170.0080.03712.39
5.4.160.0070.04012.39
5.4.150.0040.04212.38
5.4.140.0070.03612.07
5.4.130.0040.03712.05
5.4.120.0030.03712.02
5.4.110.0050.03912.02
5.4.100.0070.03312.02
5.4.90.0070.03512.02
5.4.80.0070.03512.02
5.4.70.0090.03212.00
5.4.60.0110.03312.01
5.4.50.0090.03312.01
5.4.40.0050.03512.00
5.4.30.0060.03612.00
5.4.20.0080.03411.99
5.4.10.0040.03712.00
5.4.00.0060.03611.48
5.3.290.0050.04112.80
5.3.280.0040.03912.71
5.3.270.0060.03912.73
5.3.260.0060.04012.72
5.3.250.0040.04012.71
5.3.240.0080.03712.71
5.3.230.0080.03812.71
5.3.220.0110.03412.68
5.3.210.0080.04512.68
5.3.200.0040.03912.68
5.3.190.0060.03712.68
5.3.180.0050.03712.67
5.3.170.0020.03912.67
5.3.160.0060.04112.68
5.3.150.0070.03812.67
5.3.140.0060.03612.66
5.3.130.0070.03812.66
5.3.120.0040.04012.66
5.3.110.0090.03712.65
5.3.100.0050.03712.12
5.3.90.0060.03512.11
5.3.80.0040.03712.09
5.3.70.0050.03612.09
5.3.60.0070.03512.07
5.3.50.0120.03912.02
5.3.40.0060.03512.03
5.3.30.0060.03311.98
5.3.20.0040.03711.77
5.3.10.0040.03711.73
5.3.00.0090.03211.71
5.2.170.0050.0309.21
5.2.160.0080.0269.22
5.2.150.0080.0269.22
5.2.140.0050.0299.21
5.2.130.0060.0279.18
5.2.120.0030.0309.18
5.2.110.0030.0329.18
5.2.100.0060.0299.17
5.2.90.0070.0279.18
5.2.80.0050.0309.17
5.2.70.0060.0289.16
5.2.60.0060.0299.13
5.2.50.0050.0319.09
5.2.40.0080.0259.07
5.2.30.0100.0299.05
5.2.20.0050.0309.03
5.2.10.0090.0238.94
5.2.00.0070.0308.80
5.1.60.0060.0218.09
5.1.50.0040.0248.09
5.1.40.0070.0258.06
5.1.30.0040.0268.42
5.1.20.0070.0248.43
5.1.10.0030.0268.16
5.1.00.0060.0338.17
5.0.50.0040.0216.64
5.0.40.0030.0196.50
5.0.30.0050.0306.31
5.0.20.0030.0206.30
5.0.10.0030.0206.28
5.0.00.0040.0296.27
4.4.90.0020.0174.78
4.4.80.0010.0184.76
4.4.70.0030.0154.75
4.4.60.0040.0144.75
4.4.50.0030.0154.77
4.4.40.0030.0244.71
4.4.30.0030.0144.76
4.4.20.0050.0154.85
4.4.10.0020.0154.85
4.4.00.0040.0234.76
4.3.110.0060.0124.67
4.3.100.0050.0134.67
4.3.90.0010.0164.64
4.3.80.0050.0224.58
4.3.70.0030.0144.63
4.3.60.0020.0154.63
4.3.50.0020.0164.62
4.3.40.0030.0244.54
4.3.30.0020.0163.32
4.3.20.0050.0133.30
4.3.10.0020.0163.27
4.3.00.0130.0236.98

preferences:
38.51 ms | 401 KiB | 5 Q