3v4l.org

run code in 300+ PHP versions simultaneously
<?php function removeRepeatedCharacters($key){ $removeNext = false; for($i = 0; $i < count($key); $i++){ if($key[$i] == $key[$i+1]){ $key[$i] = ' '; $removeNext = true; } else if($removeNext){ $key[$i] =' '; $removeNext= false; } } echo str_replace(' ','',$key); } removeRepeatedCharacters('aabcccdee');

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)
8.3.60.0110.00416.50
8.3.50.0100.00717.83
8.3.40.0150.00318.77
8.3.30.0000.01418.84
8.3.20.0000.00721.90
8.3.10.0000.00822.04
8.3.00.0040.00423.54
8.2.180.0140.00418.66
8.2.170.0070.00722.96
8.2.160.0100.00719.46
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0080.00020.77
8.2.120.0080.00026.35
8.2.110.0070.00419.31
8.2.100.0060.00617.78
8.2.90.0030.00619.07
8.2.80.0080.00019.03
8.2.70.0000.01017.25
8.2.60.0040.00417.80
8.2.50.0040.00418.10
8.2.40.0070.00020.36
8.2.30.0000.00719.26
8.2.20.0030.00618.17
8.2.10.0000.00718.00
8.2.00.0070.00018.04
8.1.280.0090.00925.92
8.1.270.0000.00723.91
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0030.00621.12
8.1.230.0070.00420.30
8.1.220.0050.00317.74
8.1.210.0030.00518.77
8.1.200.0000.00817.34
8.1.190.0000.00817.13
8.1.180.0040.00418.10
8.1.170.0000.00818.46
8.1.160.0040.00418.81
8.1.150.0040.00420.21
8.1.140.0000.00719.49
8.1.130.0030.00318.89
8.1.120.0000.00817.42
8.1.110.0050.00317.44
8.1.100.0000.00717.48
8.1.90.0000.00817.36
8.1.80.0070.00017.35
8.1.70.0000.00717.42
8.1.60.0000.00717.55
8.1.50.0050.00317.55
8.1.40.0040.00417.43
8.1.30.0000.00717.66
8.1.20.0030.00617.64
8.1.10.0050.00317.56
8.1.00.0040.00417.45
8.0.300.0040.00418.77
8.0.290.0040.00416.63
8.0.280.0000.00718.46
8.0.270.0030.00617.24
8.0.260.0060.00018.88
8.0.250.0000.00716.97
8.0.240.0040.00416.85
8.0.230.0070.00016.89
8.0.220.0000.00716.91
8.0.210.0030.00316.82
8.0.200.0080.00016.86
8.0.190.0040.00416.91
8.0.180.0040.00416.84
8.0.170.0050.00216.96
8.0.160.0080.00016.91
8.0.150.0040.00416.88
8.0.140.0070.00016.93
8.0.130.0000.00513.38
8.0.120.0000.00716.93
8.0.110.0070.00016.94
8.0.100.0000.00817.05
8.0.90.0000.00716.80
8.0.80.0030.01217.02
8.0.70.0060.00316.95
8.0.60.0020.00516.80
8.0.50.0070.00017.07
8.0.30.0100.00917.13
8.0.20.0140.00617.40
8.0.10.0040.00416.88
8.0.00.0110.00616.77
7.4.330.0040.00015.55
7.4.320.0040.00416.51
7.4.300.0040.00416.50
7.4.290.0000.00916.52
7.4.280.0040.00416.46
7.4.270.0060.00316.67
7.4.260.0060.00316.54
7.4.250.0080.00016.55
7.4.240.0030.00316.45
7.4.230.0030.00316.70
7.4.220.0130.00616.67
7.4.210.0020.01216.53
7.4.200.0070.00016.48
7.4.160.0130.00316.50
7.4.150.0150.00317.40
7.4.140.0090.01217.86
7.4.130.0070.01116.61
7.4.120.0100.01016.55
7.4.110.0060.01116.53
7.4.100.0120.00616.70
7.4.90.0130.00616.53
7.4.80.0100.00619.39
7.4.70.0130.00316.56
7.4.60.0160.00316.45
7.4.50.0070.01116.29
7.4.40.0070.01616.54
7.4.30.0130.00316.64
7.4.00.0070.01114.93
7.3.330.0080.00013.44
7.3.320.0060.00013.32
7.3.310.0040.00416.35
7.3.300.0070.00016.22
7.3.290.0000.00616.22
7.3.280.0080.00816.33
7.3.270.0110.00617.40
7.3.260.0090.00716.66
7.3.250.0110.00716.44
7.3.240.0140.00316.51
7.3.230.0120.01016.39
7.3.210.0110.00716.45
7.3.200.0070.01016.34
7.3.190.0210.00016.46
7.3.180.0150.00616.31
7.3.170.0060.01316.40
7.3.160.0070.01216.39
7.2.330.0090.00916.65
7.2.320.0100.00716.93
7.2.310.0130.00316.80
7.2.300.0090.00916.45
7.2.290.0060.01116.53
7.2.80.0060.00616.77
7.2.60.0100.00317.00
7.1.200.0070.00415.80
7.1.90.0050.00818.39
7.1.80.0060.00918.05
7.1.70.0060.00617.14
7.1.60.0180.01035.02
7.1.50.0150.01134.77
7.1.40.0240.01234.40
7.1.30.0180.01634.48
7.1.20.0180.01334.56
7.1.10.0120.00416.53
7.1.00.0050.01016.65
7.0.230.0020.01017.84
7.0.220.0080.00517.77
7.0.210.0050.00816.61
7.0.200.0070.00716.60
7.0.190.0040.00816.56
7.0.180.0030.01216.40
7.0.170.0030.01316.22
7.0.160.0040.01016.24
7.0.150.0050.01016.23
7.0.140.0060.01016.32
7.0.130.0060.00816.63
7.0.120.0070.00916.43
7.0.110.0080.00816.35
7.0.100.0040.01116.38
7.0.90.0040.01116.43
7.0.80.0020.01216.42
7.0.70.0000.01416.35
7.0.60.0080.00816.21
7.0.50.0050.00816.54
7.0.40.0020.01216.48
7.0.30.0030.01016.43
7.0.20.0060.00616.43
7.0.10.0060.00616.46
7.0.00.0080.00516.51

preferences:
31.99 ms | 400 KiB | 5 Q