3v4l.org

run code in 300+ PHP versions simultaneously
<?php //echo count(str_split(json_decode('" \u00a0\n\r\t\f\u000b\u200b\u180e\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u202f\u205f\u3000"'))); echo iconv_strlen(json_decode('"\u2002\u2003\u2004\u2005\u2006"'));

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)
8.3.40.0040.01118.67
8.3.30.0120.00319.09
8.3.20.0080.00020.16
8.3.10.0040.00423.65
8.3.00.0050.00319.26
8.2.170.0110.00422.96
8.2.160.0130.00320.37
8.2.150.0070.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0000.00822.06
8.2.110.0030.00621.18
8.2.100.0090.00317.63
8.2.90.0000.00719.08
8.2.80.0050.00317.97
8.2.70.0050.00317.25
8.2.60.0050.00517.91
8.2.50.0030.00618.07
8.2.40.0000.00719.88
8.2.30.0050.00218.09
8.2.20.0040.00417.55
8.2.10.0000.00718.03
8.2.00.0040.00417.54
8.1.270.0050.00322.11
8.1.260.0020.00526.35
8.1.250.0000.00828.09
8.1.240.0090.00023.67
8.1.230.0090.00319.10
8.1.220.0050.00317.74
8.1.210.0040.00418.77
8.1.200.0110.00017.23
8.1.190.0000.00916.88
8.1.180.0030.00618.10
8.1.170.0040.00420.17
8.1.160.0000.00721.91
8.1.150.0000.00718.76
8.1.140.0020.00517.33
8.1.130.0000.00717.74
8.1.120.0040.00417.25
8.1.110.0050.00217.40
8.1.100.0000.00717.36
8.1.90.0040.00417.28
8.1.80.0050.00317.34
8.1.70.0000.00717.24
8.1.60.0090.00017.48
8.1.50.0050.00317.42
8.1.40.0030.00617.39
8.1.30.0040.00417.57
8.1.20.0040.00417.48
8.1.10.0050.00317.41
8.1.00.0040.00417.31
8.0.300.0000.00718.77
8.0.290.0040.00416.75
8.0.280.0000.00718.28
8.0.270.0000.00717.17
8.0.260.0060.00317.05
8.0.250.0000.00716.91
8.0.240.0000.00716.86
8.0.230.0070.00016.82
8.0.220.0030.00316.80
8.0.210.0030.00316.66
8.0.200.0070.00016.71
8.0.190.0070.00016.84
8.0.180.0030.00616.71
8.0.170.0040.00416.66
8.0.160.0000.00816.77
8.0.150.0040.00416.65
8.0.140.0040.00416.66
8.0.130.0060.00013.27
8.0.120.0000.00916.90
8.0.110.0040.00416.97
8.0.100.0040.00416.71
8.0.90.0000.00916.92
8.0.80.0160.01016.94
8.0.70.0040.00416.70
8.0.60.0040.00416.83
8.0.50.0030.00616.93
8.0.30.0090.01217.12
8.0.20.0090.01517.40
8.0.10.0040.00416.85
8.0.00.0120.00716.81
7.4.330.0070.00015.02
7.4.320.0030.00316.23
7.4.300.0060.00016.41
7.4.290.0000.00716.30
7.4.280.0110.00016.45
7.4.270.0070.00016.47
7.4.260.0060.00016.27
7.4.250.0030.00616.46
7.4.240.0030.00516.54
7.4.230.0000.00816.63
7.4.220.0100.01616.63
7.4.210.0030.01616.65
7.4.200.0040.00416.64
7.4.160.0100.01316.52
7.4.150.0110.01017.40
7.4.140.0140.00817.86
7.4.130.0110.01016.61
7.4.120.0060.01316.42
7.4.110.0120.00816.37
7.4.100.0140.00616.57
7.4.90.0060.01516.61
7.4.80.0090.01219.39
7.4.70.0150.00916.50
7.4.60.0070.01116.49
7.4.50.0000.01016.61
7.4.40.0040.01416.65
7.4.30.0000.02516.43
7.4.00.0060.00915.16
7.3.330.0020.00213.18
7.3.320.0000.00513.12
7.3.310.0000.00916.33
7.3.300.0000.00716.11
7.3.290.0090.00716.36
7.3.280.0070.01016.29
7.3.270.0080.01217.40
7.3.260.0090.00916.67
7.3.250.0090.01216.61
7.3.240.0070.02016.52
7.3.230.0070.01316.46
7.3.210.0180.00416.50
7.3.200.0100.01019.39
7.3.190.0150.00416.47
7.3.180.0030.01416.39
7.3.170.0080.01116.36
7.3.160.0060.01216.35
7.3.10.0000.01116.91
7.3.00.0000.01116.47
7.2.330.0130.00616.46
7.2.320.0070.01116.42
7.2.310.0140.01416.49
7.2.300.0150.00316.77
7.2.290.0130.01016.67
7.2.130.0110.00417.08
7.2.120.0030.00716.67
7.2.110.0070.01016.83
7.2.100.0080.00416.60
7.2.90.0060.00616.80
7.2.80.0030.00916.97
7.2.70.0120.00616.79
7.2.60.0030.01016.76
7.2.50.0070.01017.02
7.2.40.0090.00916.89
7.2.30.0060.00917.11
7.2.20.0100.00016.73
7.2.10.0130.00316.90
7.2.00.0050.00818.13
7.1.250.0040.00815.98
7.1.200.0080.00015.70
7.1.100.0030.01018.14
7.1.70.0070.00717.27
7.1.60.0120.01519.32
7.1.50.0200.01434.73
7.1.00.0030.08022.72
7.0.200.0070.01116.66
7.0.140.0030.07022.13
7.0.60.0200.07321.66
7.0.50.0000.05717.93
7.0.40.0070.04720.28
7.0.30.0070.05320.29
7.0.20.0270.03720.46
7.0.10.0100.09020.46
7.0.00.0100.04020.24
5.6.210.0030.09020.54
5.6.200.0130.08018.34
5.6.190.0130.08320.48
5.6.180.0130.05320.65
5.6.170.0200.08720.56
5.6.160.0030.07720.53
5.6.150.0130.07718.32
5.6.140.0130.07018.27
5.6.130.0070.03718.34
5.6.120.0070.08021.02
5.6.110.0030.06021.10
5.6.100.0100.03721.11
5.6.90.0200.07721.14
5.6.80.0000.05720.64
5.5.350.0070.08020.46
5.5.340.0200.07018.16
5.5.330.0070.05320.74
5.5.320.0300.07720.35
5.5.310.0370.07020.40
5.5.300.0030.08318.10
5.5.290.0130.06318.19
5.5.280.0100.08020.88
5.5.270.0070.09321.02
5.5.260.0070.04021.02
5.5.250.0100.08020.62
5.5.240.0200.04320.31
5.4.450.0600.05719.68
5.4.440.1000.04319.73
5.4.430.0370.06719.30
5.4.420.0570.06719.28
5.4.410.0730.07319.37
5.4.400.0670.05719.49
5.4.390.0700.06019.38
5.4.380.0070.05719.30
5.4.370.0670.04019.34
5.4.360.0770.05319.13
5.4.350.0300.05719.30
5.4.340.0080.04312.18
5.4.320.0090.04012.67
5.4.310.0090.04412.66
5.4.300.0070.03612.67
5.4.290.0040.04312.66
5.4.280.0090.03512.56
5.4.270.0070.03712.56
5.4.260.0080.03812.56
5.4.250.0100.04212.56
5.4.240.0060.03712.57
5.4.230.0050.04012.56
5.4.220.0040.04012.55
5.4.210.0070.03512.55
5.4.200.0040.04012.55
5.4.190.0040.03812.55
5.4.180.0070.03612.55
5.4.170.0080.03412.56
5.4.160.0050.03812.56
5.4.150.0070.03612.55
5.4.140.0090.03412.24
5.4.130.0050.03612.23
5.4.120.0040.03712.18
5.4.110.0060.03612.18
5.4.100.0070.03512.18
5.4.90.0070.03812.18
5.4.80.0050.04512.18
5.4.70.0070.03412.18
5.4.60.0060.03412.17
5.4.50.0050.03612.18
5.4.40.0020.04012.16
5.4.30.0050.03712.16
5.4.20.0060.03512.16
5.4.10.0050.03612.16
5.4.00.0060.03711.65
5.3.290.0080.03812.90
5.3.280.0040.04112.84
5.3.270.0080.03812.85
5.3.260.0060.04012.85
5.3.250.0080.03612.85
5.3.240.0060.03812.85
5.3.230.0070.03712.84
5.3.220.0060.03812.81
5.3.210.0080.03812.81
5.3.200.0090.03512.81
5.3.190.0080.04512.81
5.3.180.0080.04012.80
5.3.170.0070.03512.81
5.3.160.0060.03712.81
5.3.150.0050.03912.80
5.3.140.0040.03912.80
5.3.130.0080.03812.79
5.3.120.0040.04212.79
5.3.110.0090.03912.79
5.3.100.0050.04112.28
5.3.90.0050.04012.26
5.3.80.0080.03712.25
5.3.70.0050.03912.25
5.3.60.0030.04012.23
5.3.50.0050.03712.18
5.3.40.0060.03612.18
5.3.30.0060.03612.14
5.3.20.0040.03711.93
5.3.10.0060.03511.89
5.3.00.0080.03511.87
5.2.170.0070.0299.37
5.2.160.0050.0299.37
5.2.150.0060.0309.36
5.2.140.0020.0349.36
5.2.130.0040.0309.32
5.2.120.0060.0289.32
5.2.110.0050.0299.33
5.2.100.0030.0319.33
5.2.90.0060.0349.32
5.2.80.0050.0329.32
5.2.70.0050.0309.32
5.2.60.0030.0319.28
5.2.50.0050.0309.25
5.2.40.0050.0299.23
5.2.30.0050.0319.20
5.2.20.0040.0309.19
5.2.10.0070.0259.13
5.2.00.0070.0378.99
5.1.60.0050.0268.07
5.1.50.0060.0328.06
5.1.40.0030.0268.04
5.1.30.0070.0268.39
5.1.20.0050.0288.41
5.1.10.0060.0278.14
5.1.00.0030.0288.14
5.0.50.0040.0236.62
5.0.40.0050.0246.47
5.0.30.0040.0296.29
5.0.20.0040.0196.26
5.0.10.0020.0206.23
5.0.00.0010.0326.23
4.4.90.0040.0164.78
4.4.80.0010.0174.75
4.4.70.0030.0174.75
4.4.60.0030.0144.76
4.4.50.0020.0154.77
4.4.40.0000.0304.71
4.4.30.0070.0154.76
4.4.20.0040.0184.85
4.4.10.0020.0154.85
4.4.00.0010.0264.76
4.3.110.0020.0254.67
4.3.100.0040.0134.66
4.3.90.0020.0154.63
4.3.80.0030.0234.58
4.3.70.0030.0164.63
4.3.60.0020.0144.63
4.3.50.0020.0154.62
4.3.40.0010.0254.54
4.3.30.0030.0213.28
4.3.20.0010.0173.26
4.3.10.0010.0163.21
4.3.00.0030.0206.99

preferences:
43.18 ms | 400 KiB | 5 Q