3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string="這是wibibi測試字串"; echo mb_strlen( $string,0,8,"utf-8");

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)
8.3.60.0090.01316.50
8.3.50.0120.00518.16
8.3.40.0080.00818.83
8.3.30.0080.00618.84
8.3.20.0130.00318.77
8.3.10.0050.00320.53
8.3.00.0040.00419.26
8.2.180.0150.00018.28
8.2.170.0100.01022.96
8.2.160.0000.01519.46
8.2.150.0040.00424.18
8.2.140.0030.00524.66
8.2.130.0070.00026.16
8.2.120.0080.00020.45
8.2.110.0030.00721.04
8.2.100.0080.00417.78
8.2.90.0060.00319.25
8.2.80.0070.00019.26
8.2.70.0000.00817.50
8.2.60.0080.00018.04
8.2.50.0030.00518.07
8.2.40.0000.00718.01
8.2.30.0060.00318.05
8.2.20.0030.00619.28
8.2.10.0040.00417.72
8.2.00.0040.00417.76
8.1.280.0170.00325.92
8.1.270.0030.00524.66
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0080.00420.52
8.1.230.0000.01220.91
8.1.220.0040.00417.74
8.1.210.0070.00318.96
8.1.200.0030.00617.13
8.1.190.0040.00417.53
8.1.180.0060.00318.10
8.1.170.0080.00018.67
8.1.160.0070.00318.78
8.1.150.0000.00718.49
8.1.140.0050.00217.39
8.1.130.0030.00317.77
8.1.120.0030.00317.30
8.1.110.0040.00417.40
8.1.100.0040.00417.41
8.1.90.0070.00017.33
8.1.80.0040.00417.30
8.1.70.0040.00417.38
8.1.60.0030.00617.53
8.1.50.0040.00417.33
8.1.40.0000.00717.52
8.1.30.0040.00417.56
8.1.20.0030.00517.52
8.1.10.0000.00717.44
8.1.00.0000.00817.52
8.0.300.0000.00819.83
8.0.290.0040.00416.63
8.0.280.0000.00718.29
8.0.270.0000.00717.23
8.0.260.0000.00616.73
8.0.250.0000.00716.99
8.0.240.0000.00716.92
8.0.230.0030.00316.94
8.0.220.0000.00616.91
8.0.210.0050.00316.93
8.0.200.0030.00316.81
8.0.190.0050.00217.00
8.0.180.0040.00416.97
8.0.170.0000.00916.88
8.0.160.0030.00316.83
8.0.150.0030.00616.84
8.0.140.0050.00316.87
8.0.130.0050.00013.28
8.0.120.0090.00016.89
8.0.110.0000.00716.84
8.0.100.0000.00816.85
8.0.90.0030.00516.93
8.0.80.0120.00316.88
8.0.70.0030.00516.76
8.0.60.0030.00616.73
8.0.50.0040.00416.93
8.0.30.0130.00716.98
8.0.20.0120.00817.21
8.0.10.0040.00416.89
8.0.00.0180.00316.64
7.4.330.0020.00212.85
7.4.320.0030.00316.52
7.4.300.0070.00016.54
7.4.290.0000.00716.42
7.4.280.0000.00816.43
7.4.270.0070.00016.46
7.4.260.0020.00213.25
7.4.250.0000.00916.33
7.4.240.0000.00716.43
7.4.230.0030.00316.34
7.4.220.0120.01316.33
7.4.210.0060.00916.39
7.4.200.0040.00416.27
7.4.190.0040.00416.53
7.4.160.0060.00916.45
7.4.150.0170.00016.34
7.4.140.0110.00816.33
7.4.130.0000.01616.41
7.4.120.0090.00916.43
7.4.110.0080.01216.48
7.4.100.0140.00316.63
7.4.90.0130.01016.41
7.4.80.0040.01319.39
7.4.70.0100.00716.44
7.4.60.0130.00616.39
7.4.50.0000.00616.33
7.4.40.0130.00316.30
7.4.30.0090.00616.46
7.4.00.0050.01014.93
7.3.330.0070.00013.07
7.3.320.0050.00012.92
7.3.310.0030.00316.23
7.3.300.0030.00316.19
7.3.290.0090.00716.15
7.3.280.0060.01216.19
7.3.270.0100.00716.33
7.3.260.0130.01616.26
7.3.250.0130.00616.36
7.3.240.0100.00616.48
7.3.230.0060.01316.37
7.3.210.0180.00016.32
7.3.200.0170.00016.43
7.3.190.0100.01316.20
7.3.180.0100.01016.18
7.3.170.0070.01016.32
7.3.160.0100.01016.31
7.3.120.0070.00914.76
7.3.110.0060.00614.80
7.3.100.0090.00614.49
7.3.90.0070.00714.38
7.3.80.0030.01014.87
7.3.70.0030.01014.75
7.3.60.0060.00614.80
7.3.50.0100.00714.50
7.3.40.0040.01114.59
7.3.30.0060.00614.77
7.3.20.0030.01316.62
7.3.10.0030.01316.74
7.3.00.0060.00916.64
7.2.330.0130.00316.29
7.2.320.0110.00816.41
7.2.310.0120.00616.60
7.2.300.0040.01516.46
7.2.290.0080.00816.48
7.2.250.0070.01114.83
7.2.240.0070.01315.02
7.2.230.0040.01115.15
7.2.220.0080.00814.91
7.2.210.0030.00914.79
7.2.200.0000.01014.61
7.2.190.0030.01214.76
7.2.180.0070.00414.79
7.2.170.0060.00614.99
7.2.00.0030.00919.02
7.1.330.0060.00615.49
7.1.320.0070.00315.58
7.1.310.0060.00615.71
7.1.300.0060.00915.48
7.1.290.0070.00715.93
7.1.280.0080.00015.84
7.1.270.0070.00715.91
7.1.260.0080.00615.77
7.1.200.0030.01015.77
7.1.100.0080.00417.75
7.1.70.0000.00816.75
7.1.60.0100.01319.31
7.1.50.0030.01716.82
7.1.00.0070.03022.44
7.0.200.0000.00716.72
7.0.140.0100.06722.09
7.0.120.0030.06721.96
7.0.60.0070.08319.93
7.0.50.0070.04017.66
7.0.40.0100.07717.69
7.0.30.0070.05717.77
7.0.20.0100.06317.79
7.0.10.0070.07317.68
7.0.00.0100.03717.74
5.6.280.0030.07321.05
5.6.210.0030.04720.68
5.6.200.0100.08318.11
5.6.190.0100.05718.16
5.6.180.0100.07718.19
5.6.170.0000.05018.12
5.6.160.0070.04018.11
5.6.150.0100.06018.21
5.6.140.0000.05018.09
5.6.130.0100.05718.07
5.6.120.0170.05318.11
5.6.110.0100.04018.21
5.6.100.0170.08318.17
5.6.90.0070.08718.13
5.6.80.0030.07317.55
5.6.70.0130.05717.55
5.6.60.0100.05317.48
5.6.50.0130.07317.53
5.6.40.0030.07717.57
5.6.30.0070.06717.44
5.6.20.0070.07717.55
5.6.10.0070.05017.46
5.6.00.0070.05017.47
5.5.350.2470.03320.38
5.5.340.0100.06317.91
5.5.330.0070.05018.02
5.5.320.0070.08017.88
5.5.310.0030.04717.92
5.5.300.0130.07317.92
5.5.290.0100.05017.91
5.5.280.0070.06017.91
5.5.270.0070.04017.97
5.5.260.0000.09017.91
5.5.250.0100.07717.73
5.5.240.0030.09017.30
5.5.230.0030.08317.36
5.5.220.0070.05017.29
5.5.210.0070.05017.36
5.5.200.0000.05317.34
5.5.190.0030.04317.30
5.5.180.0170.07017.35
5.5.160.0100.05717.37
5.5.150.0070.06317.22
5.5.140.0070.04717.22
5.5.130.0000.08317.35
5.5.120.0100.07017.33
5.5.110.0100.07017.33
5.5.100.0170.06717.24
5.5.90.0100.06017.16
5.5.80.0100.04017.23
5.5.70.0100.07317.13
5.5.60.0200.06717.21
5.5.50.0030.06017.22
5.5.40.0100.07317.12
5.5.30.0070.07017.12
5.5.20.0000.05717.15
5.5.10.0070.07017.16
5.5.00.0100.04317.24
5.4.450.0130.04019.41
5.4.440.0100.04719.21
5.4.430.0030.04319.43
5.4.420.0230.05719.41
5.4.410.0100.04019.09
5.4.400.0030.04019.04
5.4.390.0100.07319.13
5.4.380.0070.06718.98
5.4.370.0000.05018.98
5.4.360.0000.07019.01
5.4.350.0100.03319.04
5.4.340.0100.07319.13
5.4.320.0130.07019.16
5.4.310.0030.05019.07
5.4.300.0030.05018.98
5.4.290.0100.07318.98
5.4.280.0100.07018.95
5.4.270.0070.07019.07
5.4.260.0200.04719.02
5.4.250.0170.04019.04
5.4.240.0100.07019.07
5.4.230.0100.06319.20
5.4.220.0070.07318.88
5.4.210.0030.08018.88
5.4.200.0070.04718.92
5.4.190.0030.07019.19
5.4.180.0070.04718.81
5.4.170.0000.07319.11
5.4.160.0030.06719.19
5.4.150.0100.07718.96
5.4.140.0200.06316.34
5.4.130.0100.06316.16
5.4.120.0030.04016.27
5.4.110.0100.04316.37
5.4.100.0070.05716.25
5.4.90.0030.04016.28
5.4.80.0070.04016.24
5.4.70.0030.07716.35
5.4.60.0130.06716.27
5.4.50.0030.08016.30
5.4.40.0100.04316.20
5.4.30.0030.03716.19
5.4.20.0000.07716.30
5.4.10.0070.07016.20
5.4.00.0000.04715.71
5.3.290.0030.08014.50
5.3.280.0000.08314.51
5.3.270.0030.06014.53
5.3.260.0000.08314.59
5.3.250.0100.07014.56
5.3.240.0100.04714.46
5.3.230.0070.06714.45
5.3.220.0100.07714.53
5.3.210.0070.07714.53
5.3.200.0070.05314.54
5.3.190.0070.07014.52
5.3.180.0030.06314.51
5.3.170.0000.07714.55
5.3.160.0070.04314.48
5.3.150.0030.04714.48
5.3.140.0030.04714.54
5.3.130.0030.08014.47
5.3.120.0030.04014.52
5.3.110.0130.07314.49
5.3.100.0030.04013.97
5.3.90.0000.04013.95
5.3.80.0070.04313.86
5.3.70.0100.04013.98
5.3.60.0070.04313.96
5.3.50.0130.07013.91
5.3.40.0100.07313.88
5.3.30.0030.07713.66
5.3.20.0070.07013.62
5.3.10.0100.05713.42
5.3.00.0100.07013.59
5.2.170.0030.03310.98
5.2.160.0000.03710.96
5.2.150.0170.05311.12
5.2.140.0070.04011.07
5.2.130.0000.06711.06
5.2.120.0100.05710.88
5.2.110.0000.03311.13
5.2.100.0070.06311.05
5.2.90.0100.05711.24
5.2.80.0000.05311.02
5.2.70.0070.05711.01
5.2.60.0100.05711.04
5.2.50.0030.05011.01
5.2.40.0030.06710.81
5.2.30.0070.06011.00
5.2.20.0100.04010.78
5.2.10.0030.03010.89
5.2.00.0030.03710.74
5.1.60.0030.02310.05
5.1.50.0070.0539.96
5.1.40.0030.0579.97
5.1.30.0070.04710.34
5.1.20.0000.06010.39
5.1.10.0030.06010.22
5.1.00.0000.03010.00
5.0.50.0000.0278.60
5.0.40.0000.0408.38
5.0.30.0070.0608.18
5.0.20.0000.0338.09
5.0.10.0000.0508.14
5.0.00.0000.0408.00
4.4.90.0070.0307.86
4.4.80.0070.0337.86
4.4.70.0000.0237.86
4.4.60.0070.0107.86
4.4.50.0000.0177.86
4.4.40.0030.0477.86
4.4.30.0070.0337.86
4.4.20.0000.0337.86
4.4.10.0000.0377.86
4.4.00.0030.0507.86
4.3.110.0030.0337.86
4.3.100.0000.0337.86
4.3.90.0000.0377.86
4.3.80.0000.0577.86
4.3.70.0030.0137.86
4.3.60.0000.0307.86
4.3.50.0000.0307.86
4.3.40.0100.0337.86
4.3.30.0000.0377.86
4.3.20.0000.0377.86
4.3.10.0000.0277.86
4.3.00.0000.0277.86

preferences:
42.72 ms | 401 KiB | 5 Q