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 mb_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)
8.3.60.0100.01018.18
8.3.50.0130.00922.10
8.3.40.0100.00718.59
8.3.30.0040.01118.98
8.3.20.0040.00420.07
8.3.10.0080.00023.58
8.3.00.0040.00419.09
8.2.180.0100.01016.50
8.2.170.0090.00622.96
8.2.160.0070.01020.46
8.2.150.0070.00024.18
8.2.140.0030.00524.66
8.2.130.0020.00526.16
8.2.120.0050.00322.04
8.2.110.0040.00422.25
8.2.100.0090.00317.59
8.2.90.0030.00619.22
8.2.80.0040.00419.43
8.2.70.0040.00417.63
8.2.60.0040.00417.80
8.2.50.0040.00418.07
8.2.40.0000.00918.09
8.2.30.0070.00019.28
8.2.20.0000.00817.61
8.2.10.0000.00717.82
8.2.00.0040.00417.42
8.1.280.0070.01025.92
8.1.270.0030.00521.91
8.1.260.0070.00026.35
8.1.250.0050.00328.09
8.1.240.0040.00423.75
8.1.230.0110.00018.97
8.1.220.0100.00017.74
8.1.210.0040.00418.77
8.1.200.0060.00317.23
8.1.190.0050.00317.17
8.1.180.0040.00418.89
8.1.170.0050.00318.51
8.1.160.0050.00218.66
8.1.150.0040.00418.50
8.1.140.0050.00217.23
8.1.130.0070.00017.82
8.1.120.0000.00717.21
8.1.110.0000.00717.27
8.1.100.0040.00417.39
8.1.90.0030.00317.29
8.1.80.0000.00717.36
8.1.70.0030.00317.24
8.1.60.0040.00417.41
8.1.50.0030.00617.40
8.1.40.0050.00317.45
8.1.30.0040.00417.49
8.1.20.0040.00417.58
8.1.10.0050.00317.45
8.1.00.0000.00717.41
8.0.300.0040.00418.77
8.0.290.0080.00016.93
8.0.280.0000.00718.49
8.0.270.0030.00317.16
8.0.260.0070.00017.24
8.0.250.0000.00716.83
8.0.240.0030.00316.83
8.0.230.0070.00016.80
8.0.220.0040.00416.86
8.0.210.0040.00416.73
8.0.200.0040.00416.87
8.0.190.0000.00716.89
8.0.180.0080.00316.70
8.0.170.0040.00416.75
8.0.160.0030.00316.78
8.0.150.0030.00516.79
8.0.140.0000.00716.75
8.0.130.0050.00013.18
8.0.120.0000.00816.79
8.0.110.0000.00716.86
8.0.100.0070.00016.77
8.0.90.0000.00716.64
8.0.80.0120.01216.83
8.0.70.0040.00316.86
8.0.60.0040.00416.84
8.0.50.0040.00416.71
8.0.30.0090.01116.93
8.0.20.0130.00817.40
8.0.10.0000.00716.82
8.0.00.0100.00816.50
7.4.330.0050.00015.02
7.4.320.0030.00316.38
7.4.300.0000.00716.50
7.4.290.0050.00316.38
7.4.280.0030.00616.48
7.4.270.0000.00716.39
7.4.260.0030.00316.37
7.4.250.0080.00016.34
7.4.240.0000.00716.30
7.4.230.0030.00316.26
7.4.220.0030.01416.50
7.4.210.0090.00616.43
7.4.200.0000.00716.27
7.4.160.0030.01216.40
7.4.150.0120.00617.40
7.4.140.0070.01217.86
7.4.130.0070.01016.46
7.4.120.0090.00816.27
7.4.110.0070.01016.40
7.4.100.0140.00316.36
7.4.90.0110.00716.27
7.4.80.0080.00819.39
7.4.70.0040.01416.39
7.4.60.0120.00316.25
7.4.50.0040.00416.23
7.4.40.0040.01216.42
7.4.30.0070.01516.61
7.4.00.0070.00814.99
7.3.330.0060.00013.06
7.3.320.0000.00512.89
7.3.310.0040.00416.18
7.3.300.0060.00016.11
7.3.290.0070.00616.20
7.3.280.0100.00516.11
7.3.270.0150.00317.40
7.3.260.0080.00816.27
7.3.250.0150.00716.22
7.3.240.0090.00616.46
7.3.230.0180.00216.39
7.3.210.0070.01016.30
7.3.200.0140.00819.39
7.3.190.0090.00916.27
7.3.180.0040.01116.23
7.3.170.0170.00716.32
7.3.160.0100.01016.36
7.3.120.0110.00514.38
7.3.110.0030.01114.38
7.3.100.0100.00714.73
7.3.90.0030.00714.58
7.3.80.0070.00414.82
7.3.70.0040.00714.70
7.3.60.0060.00614.67
7.3.50.0050.01014.63
7.3.40.0000.01314.60
7.3.30.0090.00314.69
7.3.20.0040.00916.58
7.3.10.0030.01216.66
7.3.00.0040.01016.59
7.2.330.0100.00716.55
7.2.320.0120.00916.32
7.2.310.0120.00316.30
7.2.300.0110.00816.42
7.2.290.0100.01016.37
7.2.250.0070.00914.96
7.2.240.0080.01214.79
7.2.230.0050.01214.98
7.2.220.0050.00714.90
7.2.210.0070.00514.69
7.2.200.0070.00614.74
7.2.190.0020.01214.87
7.2.180.0090.00615.00
7.2.170.0080.00714.81
7.2.60.0090.00616.53
7.2.00.0070.00719.50
7.1.330.0020.01015.66
7.1.320.0070.00315.59
7.1.310.0030.00915.52
7.1.300.0070.00615.48
7.1.290.0060.00815.60
7.1.280.0060.00615.61
7.1.270.0060.00915.65
7.1.260.0030.01015.68
7.1.200.0070.00715.54
7.1.100.0000.01117.89
7.1.70.0030.00716.75
7.1.60.0100.01319.32
7.1.50.0130.01016.55
7.1.00.0100.07022.30
7.0.200.0030.00716.80
7.0.140.0030.07022.13
7.0.60.0100.06019.91
7.0.50.0070.04317.76
7.0.40.0070.04320.07
7.0.30.0430.05320.13
7.0.20.0200.09020.18
7.0.10.0100.08319.97
7.0.00.0000.04720.16
5.6.280.0070.06721.14
5.6.210.0030.07720.50
5.6.200.0030.06318.18
5.6.190.0070.04020.59
5.6.180.3830.04020.61
5.6.170.0230.08720.41
5.6.160.0070.06720.70
5.6.150.0100.03718.22
5.6.140.0030.05718.09
5.6.130.0000.08018.07
5.6.120.0170.06021.14
5.6.110.0100.08320.98
5.6.100.0030.07320.96
5.6.90.0230.07020.94
5.6.80.0070.08020.41
5.6.70.4270.03720.49
5.5.350.0200.08020.36
5.5.340.0070.05317.95
5.5.330.0070.04020.21
5.5.320.0100.08020.43
5.5.310.0270.08020.34
5.5.300.0070.05317.92
5.5.290.0170.05317.88
5.5.280.0030.06020.77
5.5.270.0070.03720.94
5.5.260.0030.07320.79
5.5.250.0070.09020.57
5.5.240.0200.07320.25
5.4.450.0800.06319.42
5.4.440.0630.06319.45
5.4.430.0030.06019.55
5.4.420.0830.05019.40
5.4.410.0730.05719.19
5.4.400.0770.05318.79
5.4.390.0700.06018.95
5.4.380.0800.04719.19
5.4.370.0570.05719.15
5.4.360.0770.07319.23
5.4.350.0370.05019.14
5.4.340.0070.03211.96
5.4.320.0050.03712.45
5.4.310.0030.04112.45
5.4.300.0080.03412.45
5.4.290.0060.03812.45
5.4.280.0040.03712.34
5.4.270.0040.03812.35
5.4.260.0060.03812.34
5.4.250.0060.03712.35
5.4.240.0030.04712.34
5.4.230.0040.03912.34
5.4.220.0060.03812.34
5.4.210.0040.04312.34
5.4.200.0050.03712.34
5.4.190.0080.03312.34
5.4.180.0080.03412.34
5.4.170.0080.03312.34
5.4.160.0060.03512.34
5.4.150.0040.03812.34
5.4.140.0070.03512.02
5.4.130.0040.03712.01
5.4.120.0040.03611.97
5.4.110.0050.03611.96
5.4.100.0050.03511.97
5.4.90.0060.03611.96
5.4.80.0070.03411.96
5.4.70.0060.03311.96
5.4.60.0060.03411.96
5.4.50.0050.03511.96
5.4.40.0030.03611.95
5.4.30.0090.03111.94
5.4.20.0070.03311.95
5.4.10.0080.03211.95
5.4.00.0110.03911.44
5.3.290.0060.03912.80
5.3.280.0070.03612.71
5.3.270.0080.03512.72
5.3.260.0070.03712.72
5.3.250.0060.03612.72
5.3.240.0050.03612.72
5.3.230.0100.04112.71
5.3.220.0080.03912.68
5.3.210.0040.04012.68
5.3.200.0060.03712.68
5.3.190.0060.04212.68
5.3.180.0090.04212.67
5.3.170.0080.03412.66
5.3.160.0040.03812.67
5.3.150.0060.04312.67
5.3.140.0070.04112.66
5.3.130.0040.04012.66
5.3.120.0060.03812.66
5.3.110.0100.03412.66
5.3.100.0050.04512.12
5.3.90.0050.04512.08
5.3.80.0090.03312.07
5.3.70.0080.03412.07
5.3.60.0050.03612.06
5.3.50.0070.03912.00
5.3.40.0040.03812.00
5.3.30.0060.04011.94
5.3.20.0070.03911.72
5.3.10.0070.03511.69
5.3.00.0070.03911.67
5.2.170.0060.0339.18
5.2.160.0070.0269.17
5.2.150.0040.0319.18
5.2.140.0050.0309.17
5.2.130.0030.0309.13
5.2.120.0060.0269.13
5.2.110.0060.0289.14
5.2.100.0040.0299.13
5.2.90.0060.0289.13
5.2.80.0060.0409.13
5.2.70.0040.0369.13
5.2.60.0040.0309.09
5.2.50.0020.0329.05
5.2.40.0020.0319.03
5.2.30.0050.0379.00
5.2.20.0030.0298.99
5.2.10.0050.0268.93
5.2.00.0030.0298.79
5.1.60.0060.0278.07
5.1.50.0070.0328.06
5.1.40.0060.0218.04
5.1.30.0070.0228.39
5.1.20.0050.0268.41
5.1.10.0050.0248.14
5.1.00.0030.0268.14
5.0.50.0010.0226.61
5.0.40.0040.0186.48
5.0.30.0030.0316.29
5.0.20.0030.0196.26
5.0.10.0050.0246.24
5.0.00.0050.0306.22
4.4.90.0020.0174.78
4.4.80.0030.0174.75
4.4.70.0070.0124.76
4.4.60.0040.0174.75
4.4.50.0040.0234.77
4.4.40.0030.0254.71
4.4.30.0020.0184.76
4.4.20.0020.0164.85
4.4.10.0050.0144.85
4.4.00.0040.0244.76
4.3.110.0050.0164.67
4.3.100.0020.0214.67
4.3.90.0020.0194.63
4.3.80.0050.0294.59
4.3.70.0020.0164.63
4.3.60.0010.0164.63
4.3.50.0030.0154.63
4.3.40.0030.0244.54
4.3.30.0050.0133.28
4.3.20.0010.0163.25
4.3.10.0010.0163.21
4.3.00.0070.0206.99

preferences:
47.98 ms | 401 KiB | 5 Q