3v4l.org

run code in 300+ PHP versions simultaneously
<?php // http://gathering.tweakers.net/forum/list_messages/1605981 // Just a char (http://www.fileformat.info/info/unicode/char/f1/index.htm) $char = 'ñ'; // Combining char (http://en.wikipedia.org/wiki/Combining_character) $charCombining = 'ñ'; $str = 'se'.$char.'or'; $strCombining = 'se'.$charCombining.'or'; //var_dump($str, str_replace($char, 'n', $str)); //var_dump($strCombining, str_replace($char, 'n', $strCombining));

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)
8.3.60.0110.00316.63
8.3.50.0040.01118.07
8.3.40.0070.00718.66
8.3.30.0100.00319.06
8.3.20.0070.00020.22
8.3.10.0080.00318.65
8.3.00.0060.00319.25
8.2.180.0060.00916.63
8.2.170.0070.01122.96
8.2.160.0100.00720.39
8.2.150.0030.00624.18
8.2.140.0050.00324.66
8.2.130.0140.00326.16
8.2.120.0080.00019.23
8.2.110.0030.00620.47
8.2.100.0090.00318.16
8.2.90.0030.00619.23
8.2.80.0000.00817.97
8.2.70.0090.00017.63
8.2.60.0030.00517.93
8.2.50.0000.00918.07
8.2.40.0000.00818.05
8.2.30.0000.00719.40
8.2.20.0040.00417.67
8.2.10.0000.00718.13
8.2.00.0040.00417.66
8.1.270.0040.00423.71
8.1.260.0040.00426.35
8.1.250.0020.00528.09
8.1.240.0060.00323.85
8.1.230.0080.00319.14
8.1.220.0060.00317.74
8.1.210.0000.00718.77
8.1.200.0000.00817.23
8.1.190.0080.00017.10
8.1.180.0030.00518.10
8.1.170.0100.00018.46
8.1.160.0040.00422.06
8.1.150.0030.00518.82
8.1.140.0030.00517.49
8.1.130.0030.00317.77
8.1.120.0070.00017.45
8.1.110.0070.00017.35
8.1.100.0070.00017.34
8.1.90.0000.00717.46
8.1.80.0000.00717.46
8.1.70.0000.00817.38
8.1.60.0030.00517.50
8.1.50.0000.00817.52
8.1.40.0000.00817.49
8.1.30.0050.00317.50
8.1.20.0040.00417.63
8.1.10.0000.00717.49
8.1.00.0030.00617.48
8.0.300.0040.00418.77
8.0.290.0040.00416.88
8.0.280.0000.00718.41
8.0.270.0000.00817.21
8.0.260.0030.00317.18
8.0.250.0000.00716.82
8.0.240.0030.00316.94
8.0.230.0040.00416.97
8.0.220.0000.00716.83
8.0.210.0030.00316.89
8.0.200.0000.00616.93
8.0.190.0100.00016.95
8.0.180.0030.00316.95
8.0.170.0000.00816.97
8.0.160.0020.00516.86
8.0.150.0040.00416.84
8.0.140.0050.00316.74
8.0.130.0060.00013.30
8.0.120.0000.00816.87
8.0.110.0000.00716.81
8.0.100.0070.00016.86
8.0.90.0000.00716.75
8.0.80.0120.00316.79
8.0.70.0040.00416.70
8.0.60.0000.00716.87
8.0.50.0040.00416.87
8.0.30.0090.01016.99
8.0.20.0140.00517.40
8.0.10.0000.00716.77
8.0.00.0090.00816.60
7.4.330.0050.00015.07
7.4.320.0030.00316.38
7.4.300.0030.00316.44
7.4.290.0030.00316.46
7.4.280.0000.00716.50
7.4.270.0000.00716.45
7.4.260.0050.00316.46
7.4.250.0020.00516.54
7.4.240.0020.00516.41
7.4.230.0000.00716.46
7.4.220.0100.01016.57
7.4.210.0100.01016.39
7.4.200.0000.00716.53
7.4.160.0100.01316.25
7.4.150.0110.00617.40
7.4.140.0080.00817.86
7.4.130.0070.01016.34
7.4.120.0070.00916.51
7.4.110.0090.00916.29
7.4.100.0100.00716.30
7.4.90.0030.01316.42
7.4.80.0060.01219.39
7.4.70.0070.01016.45
7.4.60.0120.00616.57
7.4.50.0030.00516.30
7.4.40.0120.00916.57
7.4.30.0090.00616.38
7.4.00.0110.00514.93
7.3.330.0000.00513.24
7.3.320.0050.00013.08
7.3.310.0030.00316.06
7.3.300.0030.00316.36
7.3.290.0030.01016.21
7.3.280.0090.00816.27
7.3.270.0070.01317.40
7.3.260.0130.00316.32
7.3.250.0120.00816.26
7.3.240.0130.00316.28
7.3.230.0030.01516.39
7.3.210.0160.00016.36
7.3.200.0070.01519.39
7.3.190.0070.01316.48
7.3.180.0080.00816.57
7.3.170.0070.01016.49
7.3.160.0060.01416.46
7.3.120.0070.01414.79
7.3.110.0040.01214.46
7.3.100.0030.01315.09
7.3.90.0130.00314.73
7.3.80.0030.01014.86
7.3.70.0060.00614.92
7.3.60.0100.00014.77
7.3.50.0080.00814.48
7.3.40.0130.00314.81
7.3.30.0030.01014.91
7.3.20.0030.00616.33
7.3.10.0050.00516.67
7.3.00.0040.01116.45
7.2.330.0140.00316.50
7.2.320.0110.00716.64
7.2.310.0160.00016.53
7.2.300.0070.01016.31
7.2.290.0150.00716.34
7.2.250.0070.01114.89
7.2.240.0030.01615.02
7.2.230.0000.01015.17
7.2.220.0050.00514.68
7.2.210.0060.00314.83
7.2.200.0150.00314.77
7.2.190.0110.00714.95
7.2.180.0060.00814.72
7.2.170.0080.00614.89
7.2.130.0060.00616.77
7.2.120.0110.00316.87
7.2.110.0000.01016.80
7.2.100.0060.00616.63
7.2.90.0060.00916.79
7.2.80.0040.01116.89
7.2.70.0000.01516.88
7.2.60.0050.00516.65
7.2.50.0110.00316.46
7.2.40.0060.00816.68
7.2.30.0040.01116.84
7.2.20.0000.00816.84
7.2.10.0030.00916.74
7.2.00.0050.00917.86
7.1.330.0000.01315.35
7.1.320.0030.00515.39
7.1.310.0030.00615.66
7.1.300.0100.00315.48
7.1.290.0040.00815.57
7.1.280.0110.00615.46
7.1.270.0120.00315.72
7.1.260.0070.00715.64
7.1.250.0000.01015.54
7.1.100.0030.01017.95
7.1.70.0070.00317.13
7.1.60.0030.01919.61
7.1.50.0070.01316.85
7.1.00.0000.07722.54
7.0.200.0040.00416.62
7.0.140.0130.06322.07
7.0.60.0070.08019.81
7.0.50.0070.05317.80
7.0.40.0100.05320.03
7.0.30.0400.08320.13
7.0.20.0300.08020.12
7.0.10.0130.07720.17
7.0.00.0070.08320.04
5.6.280.0000.07721.01
5.6.210.0070.05720.46
5.6.200.0170.07318.12
5.6.190.0030.05720.43
5.6.180.0630.05720.33
5.6.170.0400.07320.53
5.6.160.0070.08720.48
5.6.150.0070.07718.18
5.6.140.0170.07318.18
5.6.130.0100.06018.16
5.6.120.0100.07020.93
5.6.110.0100.07721.10
5.6.100.0100.08321.00
5.6.90.0130.07720.99
5.6.80.0070.06720.50
5.5.350.0130.08320.43
5.5.340.0130.07317.93
5.5.330.0130.07020.21
5.5.320.0330.05720.26
5.5.310.0200.03720.18
5.5.300.0030.04717.87
5.5.290.0170.06017.98
5.5.280.0030.04720.96
5.5.270.0070.06720.75
5.5.260.0000.06720.78
5.5.250.0100.03320.77
5.5.240.0170.07320.27
5.4.450.0300.04319.14
5.4.440.0470.06719.41
5.4.430.0170.05319.41
5.4.420.0270.05019.41
5.4.410.0230.05019.20
5.4.400.0270.05319.16
5.4.390.0170.05319.25
5.4.380.0300.05718.76
5.4.370.0230.05718.60
5.4.360.0230.06018.60
5.4.350.0370.07018.56
5.4.340.0300.04718.62
5.4.320.0100.04412.45
5.4.310.0070.03812.45
5.4.300.0070.03912.45
5.4.290.0090.03712.45
5.4.280.0070.03612.34
5.4.270.0070.05012.35
5.4.260.0080.04412.35
5.4.250.0090.04612.34
5.4.240.0040.03912.34
5.4.230.0080.03612.34
5.4.220.0060.03712.34
5.4.210.0080.04212.34
5.4.200.0050.04012.34
5.4.190.0070.03512.34
5.4.180.0070.04212.33
5.4.170.0060.04312.34
5.4.160.0100.03312.34
5.4.150.0050.04012.34
5.4.140.0080.03512.02
5.4.130.0040.03912.01
5.4.120.0050.04511.97
5.4.110.0070.03911.96
5.4.100.0060.04511.96
5.4.90.0050.03911.96
5.4.80.0070.05311.96
5.4.70.0060.03611.96
5.4.60.0050.04811.96
5.4.50.0090.03411.96
5.4.40.0090.03211.95
5.4.30.0100.03311.95
5.4.20.0060.04411.95
5.4.10.0100.03311.95
5.4.00.0090.04211.43
5.3.290.0090.03812.80
5.3.280.0100.03612.71
5.3.270.0070.04012.73
5.3.260.0080.05412.72
5.3.250.0060.04612.71
5.3.240.0080.04212.72
5.3.230.0080.05012.71
5.3.220.0090.05112.68
5.3.210.0050.05212.68
5.3.200.0040.03812.68
5.3.190.0070.03812.68
5.3.180.0080.03912.67
5.3.170.0080.03912.67
5.3.160.0070.03912.67
5.3.150.0140.06012.68
5.3.140.0060.04012.66
5.3.130.0140.03712.66
5.3.120.0120.04312.65
5.3.110.0090.04512.66
5.3.100.0090.04012.12
5.3.90.0100.03612.08
5.3.80.0090.04212.07
5.3.70.0110.03612.07
5.3.60.0090.05112.07
5.3.50.0070.04312.00
5.3.40.0050.04112.00
5.3.30.0050.03811.94
5.3.20.0030.04011.72
5.3.10.0050.03811.69
5.3.00.0100.03911.67
5.2.170.0060.0419.18
5.2.160.0050.0389.18
5.2.150.0070.0379.18
5.2.140.0030.0379.18
5.2.130.0050.0329.13
5.2.120.0040.0399.14
5.2.110.0060.0329.14
5.2.100.0020.0319.13
5.2.90.0040.0329.14
5.2.80.0050.0369.13
5.2.70.0030.0349.13
5.2.60.0070.0289.09
5.2.50.0040.0389.06
5.2.40.0030.0309.03
5.2.30.0110.0349.00
5.2.20.0100.0289.00
5.2.10.0030.0298.91
5.2.00.0070.0278.78
5.1.60.0040.0238.06
5.1.50.0060.0228.05
5.1.40.0040.0238.04
5.1.30.0030.0268.39
5.1.20.0030.0278.41
5.1.10.0030.0318.13
5.1.00.0060.0258.14
5.0.50.0040.0196.61
5.0.40.0030.0196.47
5.0.30.0030.0326.29
5.0.20.0020.0216.25
5.0.10.0060.0176.23
5.0.00.0030.0316.23
4.4.90.0080.0144.78
4.4.80.0030.0154.75
4.4.70.0030.0154.75
4.4.60.0020.0174.76
4.4.50.0030.0154.77
4.4.40.0030.0244.71
4.4.30.0020.0174.76
4.4.20.0010.0174.84
4.4.10.0020.0164.85
4.4.00.0040.0244.76
4.3.110.0050.0134.67
4.3.100.0020.0194.66
4.3.90.0030.0144.63
4.3.80.0030.0274.58
4.3.70.0030.0204.63
4.3.60.0040.0194.63
4.3.50.0040.0204.63
4.3.40.0040.0304.54
4.3.30.0030.0203.28
4.3.20.0030.0203.25
4.3.10.0020.0193.22
4.3.00.0070.02714.28

preferences:
108.74 ms | 400 KiB | 5 Q