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"')); echo strlen(utf8_decode(json_decode('"\u2002\u2003\u2004\u2005\u2006"'))); echo 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)
8.3.70.0110.01116.50
8.3.60.0130.00718.55
8.3.50.0130.00721.99
8.3.40.0100.00718.73
8.3.30.0120.00318.93
8.3.20.0080.00020.34
8.3.10.0040.00423.66
8.3.00.0000.00819.38
8.2.180.0000.01416.38
8.2.170.0070.00722.96
8.2.160.0070.00720.53
8.2.150.0060.00324.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00421.95
8.2.110.0060.00619.19
8.2.100.0080.00418.09
8.2.90.0040.00419.28
8.2.80.0000.00817.97
8.2.70.0080.00017.36
8.2.60.0060.00317.92
8.2.50.0040.00418.07
8.2.40.0000.00818.09
8.2.30.0000.00717.90
8.2.20.0000.00717.73
8.2.10.0050.00217.97
8.2.00.0040.00417.59
8.1.280.0070.01425.92
8.1.270.0040.00422.06
8.1.260.0070.00026.35
8.1.250.0030.00628.09
8.1.240.0030.00623.96
8.1.230.0040.00717.64
8.1.220.0000.00817.74
8.1.210.0050.00518.77
8.1.200.0090.00017.23
8.1.190.0060.00317.10
8.1.180.0000.00718.10
8.1.170.0000.00920.14
8.1.160.0070.00021.98
8.1.150.0000.00718.79
8.1.140.0060.00317.30
8.1.130.0070.00017.75
8.1.120.0000.00717.23
8.1.110.0000.00717.34
8.1.100.0040.00417.40
8.1.90.0040.00417.38
8.1.80.0040.00417.29
8.1.70.0030.00317.20
8.1.60.0000.00817.44
8.1.50.0030.00617.37
8.1.40.0080.00017.25
8.1.30.0080.00017.57
8.1.20.0000.00717.42
8.1.10.0000.00817.34
8.1.00.0000.00717.45
8.0.300.0070.00018.77
8.0.290.0070.00016.63
8.0.280.0030.00318.41
8.0.270.0000.00717.14
8.0.260.0030.00317.17
8.0.250.0030.00316.84
8.0.240.0070.00016.89
8.0.230.0030.00316.81
8.0.220.0030.00316.71
8.0.210.0000.00716.78
8.0.200.0000.00716.68
8.0.190.0030.00516.84
8.0.180.0090.00016.76
8.0.170.0000.00916.82
8.0.160.0040.00416.79
8.0.150.0000.00716.57
8.0.140.0000.00716.62
8.0.130.0060.00013.18
8.0.120.0050.00216.67
8.0.110.0080.00016.58
8.0.100.0000.00716.79
8.0.90.0050.00216.76
8.0.80.0090.01316.73
8.0.70.0040.00316.70
8.0.60.0040.00416.72
8.0.50.0050.00316.75
8.0.30.0120.00717.09
8.0.20.0120.00917.40
8.0.10.0050.00316.74
8.0.00.0070.01116.48
7.4.330.0000.00515.02
7.4.320.0060.00016.36
7.4.300.0060.00016.45
7.4.290.0030.00316.26
7.4.280.0050.00516.47
7.4.270.0000.00716.37
7.4.260.0030.00316.36
7.4.250.0000.00816.42
7.4.240.0000.00716.44
7.4.230.0030.00316.34
7.4.220.0030.01416.48
7.4.210.0080.00916.47
7.4.200.0040.00416.36
7.4.160.0100.00616.61
7.4.150.0100.01017.40
7.4.140.0100.00617.86
7.4.130.0100.00816.47
7.4.120.0100.01016.41
7.4.110.0090.01216.48
7.4.100.0100.00716.18
7.4.90.0040.01216.30
7.4.80.0030.01319.39
7.4.70.0080.01116.52
7.4.60.0040.01216.23
7.4.50.0000.00916.49
7.4.40.0080.00816.28
7.4.30.0070.01316.42
7.4.00.0030.01214.98
7.3.330.0000.00612.86
7.3.320.0050.00012.88
7.3.310.0040.00416.23
7.3.300.0000.00616.12
7.3.290.0090.00716.08
7.3.280.0080.00916.10
7.3.270.0070.01017.40
7.3.260.0110.00716.36
7.3.250.0080.01416.33
7.3.240.0130.00316.13
7.3.230.0030.01616.39
7.3.210.0170.00016.23
7.3.200.0170.00019.39
7.3.190.0070.01016.27
7.3.180.0110.00416.31
7.3.170.0000.01616.27
7.3.160.0080.00816.46
7.2.330.0140.00316.57
7.2.320.0060.01016.30
7.2.310.0060.00916.29
7.2.300.0060.01016.54
7.2.290.0120.00916.64
7.2.00.0110.00419.25
7.1.100.0000.01618.03
7.1.70.0020.00516.82
7.1.60.0140.01119.32
7.1.50.0090.01216.85
7.1.00.0070.07322.36
7.0.201.0050.00716.73
7.0.140.0070.06722.07
7.0.60.0100.08019.97
7.0.50.0070.05017.80
7.0.40.0200.07320.12
7.0.30.0130.09020.21
7.0.20.0330.07020.09
7.0.10.0030.07320.33
7.0.00.0130.07720.01
5.6.210.0100.06720.54
5.6.200.0070.08018.22
5.6.190.0070.04020.77
5.6.180.0230.04320.34
5.6.170.0230.07720.44
5.6.160.0170.07720.49
5.6.150.0100.05018.11
5.6.140.0100.05318.18
5.6.130.0030.06318.07
5.6.120.0100.03321.01
5.6.110.0200.07020.96
5.6.100.0070.06720.97
5.6.90.0030.08720.96
5.6.80.0200.06320.37
5.5.350.0300.02320.33
5.5.340.0070.08018.02
5.5.330.0100.07720.19
5.5.320.0100.05020.30
5.5.310.0300.06720.29
5.5.300.0070.08017.91
5.5.290.0130.05018.05
5.5.280.0070.04320.84
5.5.270.0070.05720.73
5.5.260.0030.06020.86
5.5.250.0030.04020.60
5.5.240.0000.07720.14
5.4.450.1400.04719.54
5.4.440.0600.06319.11
5.4.430.1230.04319.09
5.4.420.1570.03019.43
5.4.410.1330.05719.34
5.4.400.1230.05718.78
5.4.390.1030.05018.92
5.4.380.1000.05719.06
5.4.370.1530.04318.78
5.4.360.1870.05318.93
5.4.350.1270.02718.88
5.4.340.0050.03611.97
5.4.320.0070.03512.46
5.4.310.0080.04412.45
5.4.300.0080.03512.45
5.4.290.0040.04212.45
5.4.280.0060.03512.35
5.4.270.0050.03612.35
5.4.260.0060.04112.35
5.4.250.0040.03912.35
5.4.240.0050.04012.35
5.4.230.0060.03812.34
5.4.220.0090.03312.34
5.4.210.0040.03712.34
5.4.200.0050.03912.34
5.4.190.0040.03812.34
5.4.180.0040.03712.34
5.4.170.0040.03912.35
5.4.160.0030.03812.35
5.4.150.0020.03912.34
5.4.140.0050.03712.02
5.4.130.0060.03612.01
5.4.120.0070.04111.97
5.4.110.0080.03311.97
5.4.100.0050.03811.96
5.4.90.0040.03811.97
5.4.80.0090.03311.96
5.4.70.0070.03511.96
5.4.60.0060.03211.96
5.4.50.0030.03611.96
5.4.40.0060.03311.95
5.4.30.0060.03411.95
5.4.20.0080.03211.95
5.4.10.0070.03411.95
5.4.00.0020.04011.44
5.3.290.0070.03812.80
5.3.280.0050.03712.71
5.3.270.0050.03912.72
5.3.260.0050.03912.72
5.3.250.0060.03712.72
5.3.240.0050.03712.72
5.3.230.0050.03712.71
5.3.220.0050.03712.68
5.3.210.0050.03912.68
5.3.200.0040.03712.68
5.3.190.0080.03412.68
5.3.180.0040.03712.67
5.3.170.0070.03412.67
5.3.160.0060.03512.67
5.3.150.0070.03612.67
5.3.140.0070.03412.66
5.3.130.0040.04012.66
5.3.120.0070.03712.65
5.3.110.0070.03812.66
5.3.100.0080.03612.11
5.3.90.0090.04412.09
5.3.80.0060.03912.08
5.3.70.0070.03912.08
5.3.60.0010.04312.07
5.3.50.0090.03712.00
5.3.40.0060.04012.00
5.3.30.0090.03111.95
5.3.20.0090.03711.73
5.3.10.0070.03711.69
5.3.00.0100.03711.68
5.2.170.0040.0359.18
5.2.160.0070.0289.18
5.2.150.0040.0379.18
5.2.140.0050.0299.17
5.2.130.0050.0289.14
5.2.120.0020.0309.13
5.2.110.0030.0309.14
5.2.100.0070.0309.13
5.2.90.0070.0339.14
5.2.80.0050.0329.13
5.2.70.0040.0309.13
5.2.60.0060.0359.08
5.2.50.0080.0299.05
5.2.40.0040.0369.03
5.2.30.0030.0319.01
5.2.20.0060.0279.00
5.2.10.0040.0288.93
5.2.00.0060.0278.79
5.1.60.0020.0258.06
5.1.50.0070.0238.06
5.1.40.0050.0288.04
5.1.30.0070.0238.39
5.1.20.0030.0278.42
5.1.10.0010.0288.14
5.1.00.0040.0258.14
5.0.50.0020.0216.61
5.0.40.0030.0196.48
5.0.30.0040.0306.29
5.0.20.0030.0196.26
5.0.10.0040.0186.23
5.0.00.0010.0326.23
4.4.90.0060.0124.78
4.4.80.0030.0154.75
4.4.70.0020.0174.76
4.4.60.0040.0134.75
4.4.50.0010.0174.77
4.4.40.0030.0244.71
4.4.30.0030.0154.76
4.4.20.0050.0124.84
4.4.10.0020.0164.85
4.4.00.0010.0274.75
4.3.110.0040.0194.67
4.3.100.0010.0184.67
4.3.90.0020.0164.64
4.3.80.0030.0244.58
4.3.70.0030.0144.63
4.3.60.0020.0164.63
4.3.50.0040.0194.63
4.3.40.0050.0214.54
4.3.30.0010.0173.28
4.3.20.0020.0163.25
4.3.10.0030.0153.21
4.3.00.0270.01012.33

preferences:
48.51 ms | 401 KiB | 5 Q