3v4l.org

run code in 300+ PHP versions simultaneously
<?php $list = array(1, 2, 3, 3, 3, 4, 4, 10, 13, 15, 15, 17); function remove_duplicity(array $list) { $prev_value = null; $result = array(); foreach($list as $value) { if($prev_value !== $value) { $result[] = $value; $prev_value = $value; } } return $result; } $result remove_duplicity($list);

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)
5.4.310.0070.04512.51
5.4.300.0090.04212.52
5.4.290.0060.04312.52
5.4.280.0050.04112.41
5.4.270.0070.04412.41
5.4.260.0080.03812.41
5.4.250.0070.03812.41
5.4.240.0270.05112.41
5.4.230.0060.03712.40
5.4.220.0040.03812.40
5.4.210.0080.03512.41
5.4.200.0060.04112.41
5.4.190.0060.03712.40
5.4.180.0070.04412.41
5.4.170.0080.03712.40
5.4.160.0090.04212.40
5.4.150.0110.04012.40
5.4.140.0040.05412.09
5.4.130.0090.04812.07
5.4.120.0070.04212.03
5.4.110.0070.03712.03
5.4.100.0060.04312.03
5.4.90.0030.06012.03
5.4.80.0090.05012.03
5.4.70.0130.04112.02
5.4.60.0090.04312.02
5.4.50.0130.03912.03
5.4.40.0110.03612.01
5.4.30.0100.05212.01
5.4.20.0080.05012.00
5.4.10.0120.04712.02
5.4.00.0110.05511.50
5.3.290.0120.04012.80
5.3.280.0100.05012.70
5.3.270.0080.05712.73
5.3.260.0060.05712.72
5.3.250.0070.05112.72
5.3.240.0120.05412.71
5.3.230.0090.05012.70
5.3.220.0130.05212.68
5.3.210.0170.07312.68
5.3.200.0100.05012.68
5.3.190.0080.05512.68
5.3.180.0210.04712.68
5.3.170.0120.05412.67
5.3.160.0120.04912.67
5.3.150.0150.07312.67
5.3.140.0060.04212.66
5.3.130.0070.05612.66
5.3.120.0100.05212.66
5.3.110.0060.04212.66
5.3.100.0080.03812.12
5.3.90.0060.03912.10
5.3.80.0190.04012.10
5.3.70.0060.05112.09
5.3.60.0080.03712.08
5.3.50.0110.04612.03
5.3.40.0130.06712.02
5.3.30.0110.05711.98
5.3.20.0080.05011.77
5.3.10.0090.03611.73
5.3.00.0050.03911.72
5.2.170.0030.0339.22
5.2.160.0070.0319.22
5.2.150.0050.0329.22
5.2.140.0040.0409.21
5.2.130.0060.0479.18
5.2.120.0110.0359.18
5.2.110.0110.0359.18
5.2.100.0080.0459.18
5.2.90.0080.0379.18
5.2.80.0020.0359.17
5.2.70.0060.0319.17
5.2.60.0090.0319.13
5.2.50.0040.0329.10
5.2.40.0060.0309.08
5.2.30.0060.0319.04
5.2.20.0060.0379.04
5.2.10.0090.0298.95
5.2.00.0060.0328.80
5.1.60.0170.0618.09
5.1.50.0070.0298.09
5.1.40.0150.0888.07
5.1.30.0170.1048.42
5.1.20.0200.0728.44
5.1.10.0240.1088.17
5.1.00.0120.0368.17
5.0.50.0140.0476.64
5.0.40.0110.0436.50
5.0.30.0330.0836.31
5.0.20.0190.0416.29
5.0.10.0140.0486.25
5.0.00.0100.0546.25
4.4.90.0090.0384.78
4.4.80.0080.0224.75
4.4.70.0050.0174.75
4.4.60.0030.0224.76
4.4.50.0050.0194.77
4.4.40.0030.0274.71
4.4.30.0050.0194.76
4.4.20.0040.0444.85
4.4.10.0050.0184.85
4.4.00.0060.0414.76
4.3.110.0030.0184.67
4.3.100.0060.0224.67
4.3.90.0080.0184.63
4.3.80.0080.0704.58
4.3.70.0070.0414.63
4.3.60.0040.0224.63
4.3.50.0030.0204.63
4.3.40.0050.0274.54
4.3.30.0030.0183.30
4.3.20.0040.0203.29
4.3.10.0040.0223.24
4.3.00.0000.01715.91

preferences:
141.59 ms | 1394 KiB | 7 Q