3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = "hello ๐Ÿ‘จโ€๐Ÿ‘ฉโ€๐Ÿ‘งโ€๐Ÿ‘ฆ"; echo strlen($str) . "\n"; echo mb_strlen($str) . "\n"; echo iconv_strlen($str) . "\n"; echo grapheme_strlen($str) . "\n";

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)
8.4.130.0090.00518.84
8.4.120.0120.00321.60
8.4.110.0120.00919.71
8.4.100.0080.00119.73
8.4.90.0120.00918.63
8.4.80.0110.00618.73
8.4.70.0070.01320.57
8.4.60.0050.00422.29
8.4.50.0110.00619.65
8.4.40.0130.01018.47
8.4.30.0030.00618.72
8.4.20.0100.00719.64
8.4.10.0040.00420.44
8.3.260.0110.00817.48
8.3.250.0110.00919.79
8.3.240.0090.01217.50
8.3.230.0050.00417.80
8.3.220.0090.01118.16
8.3.210.0120.00717.47
8.3.200.0070.01317.55
8.3.190.0130.00820.15
8.3.180.0100.00819.70
8.3.170.0180.00017.43
8.3.160.0130.00320.05
8.3.150.0130.00719.81
8.3.140.0100.01421.47
8.3.130.0120.00019.36
8.3.120.0050.00320.11
8.3.110.0070.00320.94
8.3.100.0080.00024.06
8.3.90.0000.00826.77
8.3.80.0080.00317.97
8.3.70.0130.00617.48
8.3.60.0030.01219.39
8.3.50.0100.00519.43
8.3.40.0190.00319.76
8.3.30.0070.00719.67
8.3.20.0060.00319.69
8.3.10.0080.00022.85
8.3.00.0060.00322.76
8.2.290.0130.00621.41
8.2.280.0130.00617.70
8.2.270.0050.00317.84
8.2.260.0110.00717.54
8.2.250.0040.00419.53
8.2.240.0060.00318.09
8.2.230.0120.00022.58
8.2.220.0070.00337.54
8.2.210.0070.00726.77
8.2.200.0040.00417.63
8.2.190.0130.00319.46
8.2.180.0120.00619.50
8.2.170.0140.00422.96
8.2.160.0100.00321.52
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0050.00322.07
8.2.110.0100.00021.43
8.2.100.0030.00918.59
8.2.90.0040.00421.59
8.2.80.0040.00419.05
8.2.70.0040.00418.68
8.2.60.0080.00818.97
8.2.50.0040.00718.13
8.2.40.0000.00921.93
8.2.30.0030.00621.54
8.2.20.0040.00419.06
8.2.10.0040.00418.89
8.2.00.0000.00820.22
8.1.330.0110.00517.35
8.1.320.0120.00717.20
8.1.310.0030.00616.90
8.1.300.0170.00317.13
8.1.290.0030.00730.84
8.1.280.0040.01425.92
8.1.270.0080.00021.33
8.1.260.0090.00026.35
8.1.250.0080.00028.09
8.1.240.0030.00724.84
8.1.230.0080.00323.20
8.1.220.0080.00018.66
8.1.210.0060.00220.11
8.1.200.0050.00318.36
8.1.190.0080.00018.52
8.1.180.0000.00818.41
8.1.170.0060.00319.70
8.1.160.0060.00319.94
8.1.150.0020.00519.79
8.1.140.0000.00719.88
8.1.130.0000.00722.95
8.1.120.0050.00218.51
8.1.110.0050.00318.46
8.1.100.0000.01018.43
8.1.90.0080.00318.42
8.1.80.0050.00418.42
8.1.70.0050.00618.38
8.1.60.0030.00818.57
8.1.50.0120.00118.51
8.1.40.0140.00818.55
8.1.30.0070.00518.65
8.1.20.0070.00618.64
8.1.10.0050.00818.42
8.1.00.0090.00618.44
8.0.300.0040.00421.11
8.0.290.0100.00017.75
8.0.280.0000.00819.53
8.0.270.0020.00518.32
8.0.260.0030.00319.38
8.0.250.0080.00317.84
8.0.240.0070.00017.88
8.0.230.0080.00517.74
8.0.220.0090.00217.78
8.0.210.0020.00917.67
8.0.200.0090.00217.84
8.0.190.0070.00617.88
8.0.180.0080.00317.77
8.0.170.0030.00917.80
8.0.160.0050.00717.82
8.0.150.0100.00217.72
8.0.140.0060.00617.75
8.0.130.0110.00015.53
8.0.120.0080.00517.83
8.0.110.0040.00717.95
8.0.100.0050.00517.97
8.0.90.0060.00418.02
8.0.80.0080.01017.90
8.0.70.0050.00517.96
8.0.60.0060.00617.84
8.0.50.0100.00117.71
8.0.30.0100.01118.15
8.0.20.0140.00718.10
8.0.10.0060.00618.00
8.0.00.0090.01117.75
7.4.330.0050.00015.55
7.4.320.0000.00617.43
7.4.300.0110.00217.40
7.4.290.0070.00317.34
7.4.280.0080.00317.37
7.4.270.0090.00217.37
7.4.260.0080.00317.32
7.4.250.0030.00917.48
7.4.240.0080.00317.40
7.4.230.0030.00717.52
7.4.220.0090.00317.49
7.4.210.0050.01317.53
7.4.200.0050.00517.55
7.4.190.0120.00017.32
7.4.180.0000.01417.35
7.4.160.0090.00917.52
7.4.150.0000.01117.30
7.4.140.0100.01117.77
7.4.130.0080.00917.32
7.4.120.0100.01017.53
7.4.110.0090.00917.43
7.4.100.0120.00717.40
7.4.90.0070.01017.38
7.4.80.0090.01018.35
7.4.70.0080.00917.49
7.4.60.0090.01117.34
7.4.50.0080.01117.33
7.4.40.0100.01017.39
7.4.30.0120.00817.36
7.4.20.0100.00917.30
7.4.10.0070.01017.41
7.4.00.0090.00817.15
7.3.330.0070.00415.21
7.3.320.0100.00115.11
7.3.310.0040.00817.42
7.3.300.0090.00317.23
7.3.290.0080.00617.31
7.3.280.0090.01117.36
7.3.270.0080.00717.25
7.3.260.0110.01017.61
7.3.250.0130.00317.23
7.3.240.0120.00717.66
7.3.230.0100.00817.36
7.3.220.0120.00416.92
7.3.210.0090.01017.26
7.3.200.0090.00917.33
7.3.190.0090.01217.53
7.3.180.0090.00817.60
7.3.170.0120.00817.45
7.3.160.0110.00917.32
7.3.150.0070.01317.28
7.3.140.0090.01017.36
7.3.130.0130.00717.51
7.3.120.0100.00817.35
7.3.110.0100.00917.36
7.3.100.0090.00917.14
7.3.90.0100.00917.11
7.3.80.0100.00817.18
7.3.70.0110.00817.20
7.3.60.0090.00917.16
7.3.50.0090.00917.09
7.3.40.0090.00917.18
7.3.30.0130.00617.14
7.3.20.0090.01017.44
7.3.10.0100.01017.50
7.3.00.0130.00817.45
7.2.340.0160.00016.93
7.2.330.0150.00517.37
7.2.320.0090.00917.33
7.2.310.0090.01017.28
7.2.300.0140.00717.49
7.2.290.0140.00717.35
7.2.280.0090.01017.46
7.2.270.0110.00917.44
7.2.260.0120.00717.46
7.2.250.0100.01317.30
7.2.240.0110.01017.55
7.2.230.0100.01217.26
7.2.220.0120.00917.03
7.2.210.0110.00917.09
7.2.200.0080.01117.23
7.2.190.0090.01217.25
7.2.180.0090.01017.17
7.2.170.0080.01017.25
7.2.160.0110.00817.32
7.2.150.0080.01117.47
7.2.140.0130.00717.45
7.2.130.0120.00817.51
7.2.120.0110.00917.45
7.2.110.0110.00817.49
7.2.100.0260.00817.09
7.2.90.0770.00817.23
7.2.80.0610.01117.17
7.2.70.0380.00817.22
7.2.60.0590.01017.29
7.2.50.0560.00717.21
7.2.40.0380.01017.31
7.2.30.0560.00917.27
7.2.20.0620.00817.29
7.2.10.0400.00917.23
7.2.00.0590.01017.29
7.1.330.0110.01016.27
7.1.320.0190.00916.47
7.1.310.0100.00916.32
7.1.300.0120.00916.42
7.1.290.0150.00916.26
7.1.280.0090.00916.30
7.1.270.0090.01016.42
7.1.260.0120.00716.43
7.1.250.0070.01316.35
7.1.240.0100.00816.36
7.1.230.0080.01216.36
7.1.220.0690.01016.13
7.1.210.1110.00916.19
7.1.200.0830.00816.21
7.1.190.0740.01216.14
7.1.180.0460.00816.16
7.1.170.0400.00916.12
7.1.160.0400.00816.10
7.1.150.0720.00916.13
7.1.140.0560.01016.05
7.1.130.0460.01116.17
7.1.120.0740.01116.07
7.1.110.0590.01016.04
7.1.100.0630.01116.09
7.1.90.0660.00816.46
7.1.80.0610.00916.40
7.1.70.0810.00816.39
7.1.60.0830.00918.69
7.1.50.0990.01518.73
7.1.40.1230.00718.91
7.1.30.1580.00718.82
7.1.20.1070.01018.78
7.1.10.0990.00816.46
7.1.00.0490.00716.48
7.0.330.0080.01116.39
7.0.320.0120.00816.25
7.0.310.0120.00816.34
7.0.300.0110.00916.26
7.0.290.0120.00716.10
7.0.280.0090.01116.21
7.0.270.0170.00716.21
7.0.260.0150.01116.21
7.0.250.0100.00916.50
7.0.240.0120.00716.31
7.0.230.0080.01116.44
7.0.220.0100.01016.31
7.0.210.0130.00516.32
7.0.200.0100.00816.43
7.0.190.0070.01116.27
7.0.180.0100.00916.38
7.0.170.0100.00916.41
7.0.160.0100.01216.38
7.0.150.0070.01116.31
7.0.140.0100.00916.22
7.0.130.0120.00616.33
7.0.120.0130.00616.28
7.0.110.0090.00916.27
7.0.100.0080.01116.26
7.0.90.0080.01116.28
7.0.80.0100.01016.26
7.0.70.0140.00916.32
7.0.60.0120.00816.31
7.0.50.0100.00816.25
7.0.40.0110.00816.36
7.0.30.0170.00516.32
7.0.20.0120.00716.27
7.0.10.0100.00716.34
7.0.00.0090.01016.30
5.6.400.0110.01116.39
5.6.390.0090.01416.31
5.6.380.0110.01116.37
5.6.370.0110.00816.47
5.6.360.0110.00916.36
5.6.350.0110.00916.39
5.6.340.0090.01216.41
5.6.330.0100.01316.37
5.6.320.0110.01216.43
5.6.310.0120.00916.42
5.6.300.0090.01116.48
5.6.290.0100.01016.43
5.6.280.0110.01116.56
5.6.270.0100.01016.33
5.6.260.0080.01216.31
5.6.250.0080.01216.31
5.6.240.0140.00716.39
5.6.230.0140.00716.41
5.6.220.0110.01116.40
5.6.210.0100.01316.37
5.6.200.0100.01016.49
5.6.190.0110.01116.48
5.6.180.0100.01316.55
5.6.170.0090.01216.53
5.6.160.0110.01516.48
5.6.150.0080.01316.44
5.6.140.0110.01216.45
5.6.130.0100.01116.47
5.6.120.0080.01316.41
5.6.110.0110.01016.40
5.6.100.0140.00916.42
5.6.90.0100.01116.42
5.6.80.0120.00916.37
5.6.70.0070.01316.33
5.6.60.0090.01216.38
5.6.50.0100.01116.41
5.6.40.0140.00916.33
5.6.30.0100.01116.35
5.6.20.0100.01216.34
5.6.10.0100.01116.27
5.6.00.0130.00916.33

preferences:
102.36 ms | 403 KiB | 5 Q