3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = '这是一个长度47个字符的中文字符串'; echo mb_strlen($str); // 17

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)
8.3.40.0140.00018.72
8.3.30.0080.00619.00
8.3.20.0040.00420.25
8.3.10.0040.00421.77
8.3.00.0000.00918.93
8.2.170.0060.01222.96
8.2.160.0000.01320.35
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0000.00826.16
8.2.120.0040.00422.25
8.2.110.0060.00320.35
8.2.100.0110.00018.03
8.2.90.0000.00719.01
8.2.80.0040.00417.97
8.2.70.0080.00017.63
8.2.60.0040.00417.93
8.2.50.0040.00418.07
8.2.40.0090.00020.01
8.2.30.0000.00717.92
8.2.20.0050.00517.61
8.2.10.0040.00417.86
8.2.00.0090.00017.52
8.1.270.0060.00322.19
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0040.00423.88
8.1.230.0060.00619.15
8.1.220.0080.00017.75
8.1.210.0030.00618.77
8.1.200.0060.00317.23
8.1.190.0050.00317.00
8.1.180.0040.00418.10
8.1.170.0040.00418.36
8.1.160.0000.00721.94
8.1.150.0040.00418.71
8.1.140.0050.00317.25
8.1.130.0070.00017.21
8.1.120.0070.00017.42
8.1.110.0040.00417.42
8.1.100.0030.00517.39
8.1.90.0050.00317.41
8.1.80.0000.00817.27
8.1.70.0000.00717.33
8.1.60.0040.00417.61
8.1.50.0000.00817.47
8.1.40.0000.00717.48
8.1.30.0080.00017.64
8.1.20.0040.00417.55
8.1.10.0050.00217.60
8.1.00.0000.00717.55
8.0.300.0000.00718.77
8.0.290.0000.00816.75
8.0.280.0030.00318.49
8.0.270.0030.00317.35
8.0.260.0030.00316.91
8.0.250.0060.00016.98
8.0.240.0060.00017.07
8.0.230.0030.00316.93
8.0.220.0070.00016.94
8.0.210.0030.00316.78
8.0.200.0030.00316.90
8.0.190.0080.00016.94
8.0.180.0070.00016.85
8.0.170.0060.00316.92
8.0.160.0040.00416.73
8.0.150.0040.00416.86
8.0.140.0050.00316.73
8.0.130.0030.00313.30
8.0.120.0000.00716.86
8.0.110.0000.00716.83
8.0.100.0000.00716.91
8.0.90.0030.00516.92
8.0.80.0130.00316.84
8.0.70.0000.00816.86
8.0.60.0070.00016.91
8.0.50.0000.00716.77
8.0.30.0100.00917.09
8.0.20.0070.01417.40
8.0.10.0000.00816.84
8.0.00.0080.01216.73
7.4.330.0000.00515.00
7.4.320.0070.00016.41
7.4.300.0060.00016.53
7.4.290.0000.00716.41
7.4.280.0080.00016.51
7.4.270.0070.00016.41
7.4.260.0000.00716.52
7.4.250.0040.00416.35
7.4.240.0020.00516.43
7.4.230.0030.00516.45
7.4.220.0170.00416.35
7.4.210.0100.01016.54
7.4.200.0000.00716.37
7.4.160.0060.01016.40
7.4.150.0120.00617.40
7.4.140.0110.00717.86
7.4.130.0060.01116.39
7.4.120.0110.00516.49
7.4.110.0080.01116.46
7.4.100.0080.01216.42
7.4.90.0130.00616.48
7.4.80.0070.01119.39
7.4.70.0070.01116.63
7.4.60.0140.00416.34
7.4.50.0000.00816.44
7.4.40.0090.01116.29
7.4.30.0150.00616.52
7.4.00.0040.01114.86
7.3.330.0070.00013.07
7.3.320.0050.00013.14
7.3.310.0070.00016.18
7.3.300.0040.00415.98
7.3.290.0080.01216.15
7.3.280.0050.01316.08
7.3.270.0120.00917.40
7.3.260.0070.01016.41
7.3.250.0140.00616.16
7.3.240.0070.01316.32
7.3.230.0100.00716.43
7.3.210.0130.01016.02
7.3.200.0090.00919.39
7.3.190.0070.01016.21
7.3.180.0060.01016.34
7.3.170.0130.00716.38
7.3.160.0040.01116.13
7.3.10.0030.00915.79
7.3.00.0070.00716.46
7.2.330.0090.00916.45
7.2.320.0140.00516.39
7.2.310.0030.01316.34
7.2.300.0130.00316.52
7.2.290.0110.00516.52
7.2.130.0090.00616.56
7.2.120.0080.01016.40
7.2.110.0070.01016.52
7.2.100.0100.00716.47
7.2.90.0080.00616.49
7.2.80.0100.00716.61
7.2.70.0090.00516.65
7.2.60.0080.00416.56
7.2.50.0030.01316.59
7.2.40.0080.00816.52
7.2.30.0080.01116.69
7.2.20.0150.00516.59
7.2.10.0150.00616.30
7.2.00.0040.01217.45
7.1.250.0060.00815.49
7.1.240.0030.00615.74
7.1.230.0060.00915.70
7.1.220.0130.00015.47
7.1.210.0060.00615.71
7.1.200.0040.00615.67
7.1.190.0060.00615.64
7.1.180.0090.00615.67
7.1.170.0090.00315.77
7.1.160.0030.00915.63
7.1.150.0110.00015.84
7.1.140.0050.00315.82
7.1.130.0070.00715.54
7.1.120.0040.00815.80
7.1.110.0040.00915.83
7.1.100.0310.00515.31
7.1.90.0040.00815.75
7.1.80.0040.01115.36
7.1.70.0030.00716.42
7.1.60.0040.00617.44
7.1.50.0070.00916.32
7.1.40.0050.00515.48
7.1.30.0040.01115.61
7.1.20.0000.01515.73
7.1.10.0000.01415.59
7.1.00.0050.04019.04
7.0.330.0070.00315.39
7.0.320.0030.00715.30
7.0.310.0070.00715.54
7.0.300.0060.00615.32
7.0.290.0060.00615.08
7.0.280.0100.00615.15
7.0.270.0050.00315.08
7.0.260.0000.01015.15
7.0.250.0060.01015.13
7.0.240.0070.00715.15
7.0.230.0030.00715.19
7.0.220.0070.00715.26
7.0.210.0060.00615.27
7.0.200.0020.00716.06
7.0.190.0000.00915.32
7.0.180.0060.00315.26
7.0.170.0030.00615.58
7.0.160.0000.00815.20
7.0.150.0000.01215.27
7.0.140.0110.03518.64
7.0.130.0080.00415.52
7.0.120.0040.01114.91
7.0.110.0040.00715.55
7.0.100.0100.04217.71
7.0.90.0040.03417.57
7.0.80.0130.02417.73
7.0.70.0080.02817.69
7.0.60.0080.04017.69
7.0.50.0100.03717.81
7.0.40.0080.02016.57
7.0.30.0030.02716.59
7.0.20.0030.02516.73
7.0.10.0070.02216.76
7.0.00.0070.02716.65
5.6.380.0030.01414.18
5.6.370.0070.00714.42
5.6.360.0040.00814.05
5.6.350.0040.01114.32
5.6.340.0030.01014.30
5.6.330.0030.01014.44
5.6.320.0030.01314.00
5.6.310.0030.00714.18
5.6.300.0000.00814.47
5.6.290.0080.00314.44
5.6.280.0070.04717.62
5.6.270.0060.00614.52
5.6.260.0040.00814.16
5.6.250.0050.04017.24
5.6.240.0070.02617.30
5.6.230.0030.04617.34
5.6.220.0070.03617.42
5.6.210.0050.03017.38
5.6.200.0080.02517.54
5.6.190.0050.03417.51
5.6.180.0030.02917.63
5.6.170.0080.02217.71
5.6.160.0120.01817.60
5.6.150.0080.02517.75
5.6.140.0130.01817.65
5.6.130.0050.02517.74
5.6.120.0080.02517.75
5.6.110.0070.02017.72
5.6.100.0020.02417.61
5.6.90.0050.03417.68
5.6.80.0040.02617.30
5.6.70.0110.01817.27
5.6.60.0040.02617.27
5.6.50.0030.02417.17
5.6.40.0070.02417.24
5.6.30.0080.02017.17
5.6.20.0050.02317.20
5.6.10.0040.02217.13
5.6.00.0090.02017.29
5.5.380.0130.03615.71
5.5.370.0090.03715.67
5.5.360.0020.04815.79
5.5.350.0120.03815.68
5.5.340.0050.02916.05
5.5.330.0070.02215.73
5.5.320.0060.02015.97
5.5.310.0030.02415.98
5.5.300.0000.02815.83
5.5.290.0060.02015.94
5.5.280.0070.02215.90
5.5.270.0080.02515.89
5.5.260.0080.02215.87
5.5.250.0060.01915.65
5.5.240.0030.02515.58
5.5.230.0050.03015.54
5.5.220.0070.02015.46
5.5.210.0080.02015.48
5.5.200.0020.02815.54
5.5.190.0100.01715.58
5.5.180.0040.02515.47
5.5.170.0060.00311.02
5.5.160.0050.03315.62
5.5.150.0070.02315.48
5.5.140.0000.02815.59
5.5.130.0020.02215.49
5.5.120.0000.02615.49
5.5.110.0010.02415.58
5.5.100.0020.02515.43
5.5.90.0050.01915.45
5.5.80.0060.02315.35
5.5.70.0080.01715.32
5.5.60.0050.02215.40
5.5.50.0100.04015.54
5.5.40.0050.02415.51
5.5.30.0050.04315.51
5.5.20.0030.03515.54
5.5.10.0050.02315.53
5.5.00.0120.03715.40
5.4.450.0030.02515.25
5.4.440.0050.02115.18
5.4.430.0080.01815.10
5.4.420.0070.02215.09
5.4.410.0000.02314.96
5.4.400.0060.02014.91
5.4.390.0050.02014.94
5.4.380.0030.02414.79
5.4.370.0000.02114.88
5.4.360.0030.02115.13
5.4.350.0080.02015.03
5.4.340.0030.02314.90
5.4.330.0100.00010.90
5.4.320.0080.02015.13
5.4.310.0050.01814.98
5.4.300.0070.01814.95
5.4.290.0030.02114.97
5.4.280.0040.02314.97
5.4.270.0000.02314.91
5.4.260.0020.02715.06
5.4.250.0020.02514.88
5.4.240.0040.03414.89
5.4.230.0060.02214.82
5.4.220.0030.04514.99
5.4.210.0050.03014.85
5.4.200.0020.04015.12
5.4.190.0080.03515.02
5.4.180.0050.02515.02
5.4.170.0100.02514.86
5.4.160.0080.02415.04
5.4.150.0070.03814.77
5.4.140.0050.02413.71
5.4.130.0020.04013.51
5.4.120.0040.04013.58
5.4.110.0120.03313.69
5.4.100.0060.03013.66
5.4.90.0040.02413.74
5.4.80.0020.04413.74
5.4.70.0030.04213.63
5.4.60.0080.03513.61
5.4.50.0070.03813.59
5.4.40.0070.03713.68
5.4.30.0070.04213.65
5.4.20.0030.02513.68
5.4.10.0040.02313.59
5.4.00.0060.03513.33
5.3.290.0050.01812.38
5.3.280.0080.02012.34
5.3.270.0070.04312.43
5.3.260.0070.03912.39
5.3.250.0020.04412.33
5.3.240.0040.03912.45
5.3.230.0030.04112.41
5.3.220.0050.02312.33
5.3.210.0060.02012.26
5.3.200.0120.03712.43
5.3.190.0120.03512.39
5.3.180.0060.03012.40
5.3.170.0060.04012.45
5.3.160.0050.03812.44
5.3.150.0050.04012.38
5.3.140.0070.03612.45
5.3.130.0070.02512.39
5.3.120.0100.03312.43
5.3.110.0060.04112.47
5.3.100.0030.03612.15
5.3.90.0110.03312.20
5.3.80.0050.03712.01
5.3.70.0060.03512.10
5.3.60.0050.04012.21
5.3.50.0030.04011.99
5.3.40.0130.03311.95
5.3.30.0060.01812.04
5.3.20.0050.02311.86
5.3.10.0070.03611.71
5.3.00.0020.03811.85
5.2.170.0100.01811.13
5.2.160.0030.02711.13
5.2.150.0060.01811.13
5.2.140.0080.03511.13
5.2.130.0030.03611.13
5.2.120.0050.03211.13
5.2.110.0050.03111.13
5.2.100.0060.03411.13
5.2.90.0040.03111.13
5.2.80.0070.02811.13
5.2.70.0020.02211.13
5.2.60.0020.03411.13
5.2.50.0030.03511.13
5.2.40.0050.03011.13
5.2.30.0070.02811.13
5.2.20.0020.03411.13
5.2.10.0030.03311.13
5.2.00.0080.02211.13
5.1.60.0060.02811.13
5.1.50.0020.02811.13
5.1.40.0000.02011.13
5.1.30.0090.02211.13
5.1.20.0050.01811.13
5.1.10.0050.02511.13
5.1.00.0070.02211.13
5.0.50.0060.02011.13
5.0.40.0050.02211.13
5.0.30.0040.02211.13
5.0.20.0040.02311.13
5.0.10.0070.01811.13
5.0.00.0020.02911.13
4.4.90.0040.01511.13
4.4.80.0030.01911.13
4.4.70.0020.01611.13
4.4.60.0000.02511.13
4.4.50.0030.01011.13
4.4.40.0000.03211.13
4.4.30.0040.01511.13
4.4.20.0030.02011.13
4.4.10.0000.02111.13
4.4.00.0040.02311.13
4.3.110.0050.01711.13
4.3.100.0020.01211.13
4.3.90.0050.01311.13
4.3.80.0020.01511.13
4.3.70.0000.02111.13
4.3.60.0010.01111.13
4.3.50.0000.01911.13
4.3.40.0010.02511.13
4.3.30.0020.01011.13
4.3.20.0000.02011.13
4.3.10.0040.01611.13
4.3.00.0020.01811.13

preferences:
31.18 ms | 400 KiB | 5 Q