3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo mb_strlen("안녕", "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)
8.3.40.0120.00618.62
8.3.30.0060.00918.64
8.3.20.0080.00018.61
8.3.10.0040.00418.54
8.3.00.0030.00619.02
8.2.170.0140.00422.96
8.2.160.0090.00618.74
8.2.150.0100.00024.18
8.2.140.0050.00324.66
8.2.130.0000.00726.16
8.2.120.0040.00419.64
8.2.110.0060.00321.98
8.2.100.0070.00517.78
8.2.90.0040.00419.17
8.2.80.0090.00017.97
8.2.70.0040.00417.50
8.2.60.0000.00817.91
8.2.50.0050.00318.07
8.2.40.0040.00419.13
8.2.30.0090.00017.66
8.2.20.0030.00617.57
8.2.10.0080.00017.41
8.2.00.0040.00417.41
8.1.270.0040.00423.99
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0090.00022.42
8.1.230.0040.00817.58
8.1.220.0090.00017.74
8.1.210.0030.00618.77
8.1.200.0060.00316.98
8.1.190.0040.00417.10
8.1.180.0040.00418.10
8.1.170.0030.00718.71
8.1.160.0040.00418.95
8.1.150.0030.00718.55
8.1.140.0040.00417.30
8.1.130.0070.00017.42
8.1.120.0070.00017.32
8.1.110.0000.00717.21
8.1.100.0030.00317.20
8.1.90.0000.00817.31
8.1.80.0030.00317.32
8.1.70.0030.00317.36
8.1.60.0070.00017.52
8.1.50.0030.00517.44
8.1.40.0050.00217.36
8.1.30.0060.00317.43
8.1.20.0030.00917.57
8.1.10.0000.00717.51
8.1.00.0040.00417.41
8.0.300.0040.00418.77
8.0.290.0050.00216.75
8.0.280.0000.00718.68
8.0.270.0000.00817.25
8.0.260.0030.00316.69
8.0.250.0050.00616.93
8.0.240.0000.00716.96
8.0.230.0030.00316.93
8.0.220.0040.00416.86
8.0.210.0030.00316.77
8.0.200.0040.00416.86
8.0.190.0040.00416.77
8.0.180.0040.00416.92
8.0.170.0040.00416.88
8.0.160.0030.00316.71
8.0.150.0000.00816.66
8.0.140.0030.00616.82
8.0.130.0050.00013.18
8.0.120.0030.00516.79
8.0.110.0050.00216.85
8.0.100.0000.00816.88
8.0.90.0080.00016.63
8.0.80.0000.01616.88
8.0.70.0040.00416.61
8.0.60.0030.00616.87
8.0.50.0050.00316.79
8.0.30.0120.00616.88
8.0.20.0080.01316.93
8.0.10.0070.00016.94
8.0.00.0110.00816.69
7.4.330.0000.00512.97
7.4.320.0030.00316.29
7.4.300.0030.00316.35
7.4.290.0050.00516.47
7.4.280.0000.00716.30
7.4.270.0000.00616.37
7.4.260.0030.00313.15
7.4.250.0040.00416.34
7.4.240.0060.00016.46
7.4.230.0030.00316.46
7.4.220.0030.01516.40
7.4.210.0100.01016.33
7.4.200.0040.00416.46
7.4.190.0040.00416.60
7.4.160.0170.00316.42
7.4.150.0100.01016.59
7.4.140.0090.00917.86
7.4.130.0160.00316.26
7.4.120.0060.01016.40
7.4.110.0050.01316.27
7.4.100.0030.01516.38
7.4.90.0030.02016.46
7.4.80.0160.00619.39
7.4.70.0130.00316.39
7.4.60.0090.00716.21
7.4.50.0000.00816.30
7.4.40.0040.01516.38
7.4.30.0120.00416.41
7.4.00.0070.01014.70
7.3.330.0030.00312.85
7.3.320.0000.00612.94
7.3.310.0030.00315.99
7.3.300.0060.00016.12
7.3.290.0050.01016.11
7.3.280.0000.01516.15
7.3.270.0120.00816.18
7.3.260.0140.00416.20
7.3.240.0070.01116.46
7.3.230.0070.01116.03
7.3.210.0130.00316.28
7.3.200.0000.01616.25
7.3.190.0060.00916.17
7.3.180.0030.01416.27
7.3.170.0130.00316.16
7.3.160.0080.00716.23
7.3.120.0050.01214.55
7.3.110.0060.01014.88
7.3.100.0040.01214.58
7.3.90.0040.00714.98
7.3.80.0040.00814.63
7.3.70.0120.00414.65
7.3.60.0130.00014.72
7.3.50.0070.00714.67
7.3.40.0100.00314.73
7.3.30.0030.01314.80
7.3.20.0040.00716.62
7.3.10.0040.00716.66
7.3.00.0000.01116.48
7.2.330.0110.00716.61
7.2.320.0090.00916.56
7.2.310.0070.01116.32
7.2.300.0120.00616.28
7.2.290.0090.00916.41
7.2.250.0110.00714.94
7.2.240.0040.01515.18
7.2.230.0060.00314.88
7.2.220.0100.00614.91
7.2.210.0030.00714.91
7.2.200.0070.00714.86
7.2.190.0100.00314.84
7.2.180.0030.01214.80
7.2.170.0080.00814.91
7.2.60.0040.01116.58
7.2.50.0130.00816.37
7.1.330.0040.00715.50
7.1.320.0000.01015.65
7.1.310.0030.00915.80
7.1.300.0070.00715.49
7.1.290.0060.00615.76
7.1.280.0030.01015.83
7.1.270.0060.00315.64
7.1.260.0080.00415.70
7.1.200.0120.00015.57
7.1.70.0030.00617.01
7.1.60.0090.00619.25
7.1.50.0150.01116.55
7.1.00.0030.03322.31
7.0.200.0000.01016.82
7.0.140.0130.06322.12
7.0.120.0100.06722.16
7.0.60.0300.06319.94
7.0.50.0130.05717.80
7.0.40.0200.03720.20
7.0.30.0170.04720.24
7.0.20.0270.04020.20
7.0.10.0070.04720.04
7.0.00.0300.03320.12
5.6.280.0070.07321.08
5.6.210.0000.04320.62
5.6.200.0070.08718.08
5.6.190.0130.04320.61
5.6.180.0170.04320.63
5.6.170.0100.04320.45
5.6.160.0170.04020.27
5.6.150.0170.04320.32
5.6.140.0000.04320.46
5.6.130.0030.03720.11
5.6.120.0030.08320.46
5.6.110.0030.06720.10
5.6.100.0000.07320.27
5.6.90.0170.08020.41
5.6.80.0100.07019.73
5.6.70.0070.03719.81
5.6.60.0070.08019.70
5.6.50.0070.06319.85
5.6.40.0000.04319.47
5.6.30.0000.04319.73
5.6.20.0030.04719.53
5.6.10.0000.09019.82
5.6.00.0100.04319.63
5.5.350.4000.03720.44
5.5.340.0100.04017.93
5.5.330.0200.03720.21
5.5.320.0170.05320.15
5.5.310.0130.05720.56
5.5.300.0000.04319.90
5.5.290.0030.03720.26
5.5.280.0000.08720.15
5.5.270.0000.08320.16
5.5.260.0030.07320.23
5.5.250.0030.08020.04
5.5.240.0000.08019.30
5.5.230.0000.04319.30
5.5.220.0030.05719.63
5.5.210.0030.05319.32
5.5.200.0070.04019.25
5.5.190.0070.06719.32
5.5.180.0030.08019.43
5.5.160.0100.07319.49
5.5.150.0070.06019.56
5.5.140.0100.05019.48
5.5.130.0070.08319.55
5.5.120.0100.07719.56
5.5.110.0130.08319.54
5.5.100.0030.07719.38
5.5.90.0070.05319.23
5.5.80.0100.07719.17
5.5.70.0130.07319.41
5.5.60.0130.07019.22
5.5.50.0000.08319.15
5.5.40.0030.06319.28
5.5.30.0000.08719.42
5.5.20.0070.07719.39
5.5.10.0070.07719.36
5.5.00.0000.05319.30
5.4.450.0000.04019.12
5.4.440.0030.04719.38
5.4.430.0000.05019.49
5.4.420.0030.06719.47
5.4.410.0000.05019.37
5.4.400.0100.05718.80
5.4.390.0030.09319.14
5.4.380.0000.05019.13
5.4.370.0070.07318.79
5.4.360.0070.04019.18
5.4.350.0100.03019.18
5.4.340.0070.04719.02
5.4.320.0030.08018.92
5.4.310.0030.08018.79
5.4.300.0130.06019.09
5.4.290.0100.06719.07
5.4.280.0100.07019.18
5.4.270.0100.07319.11
5.4.260.0130.05318.79
5.4.250.0100.05719.14
5.4.240.0100.03318.95
5.4.230.0070.03318.80
5.4.220.0070.07718.92
5.4.210.0070.04719.14
5.4.200.0000.07019.14
5.4.190.0070.07319.17
5.4.180.0100.06719.17
5.4.170.0000.04319.13
5.4.160.0100.03318.98
5.4.150.0130.07018.88
5.4.140.0100.05716.31
5.4.130.0030.04016.27
5.4.120.0100.06316.28
5.4.110.0170.05016.27
5.4.100.0000.07316.30
5.4.90.0100.07316.25
5.4.80.0070.07316.25
5.4.70.0070.04316.33
5.4.60.0130.06716.34
5.4.50.0030.05716.12
5.4.40.0130.06316.28
5.4.30.0030.06716.23
5.4.20.0070.05716.32
5.4.10.0200.05716.13
5.4.00.0100.06315.69
5.3.290.0100.06314.60
5.3.280.0130.05014.61
5.3.270.0070.07014.53
5.3.260.0030.03714.52
5.3.250.0030.07314.39
5.3.240.0070.06714.54
5.3.230.0070.04014.55
5.3.220.0100.07014.50
5.3.210.0000.07714.44
5.3.200.0030.08014.65
5.3.190.0070.05714.35
5.3.180.0000.05014.45
5.3.170.0070.06714.50
5.3.160.0030.04014.52
5.3.150.0070.03714.48
5.3.140.0070.07314.48
5.3.130.0070.06314.50
5.3.120.0030.06314.46
5.3.110.0130.06714.44
5.3.100.0070.06013.95
5.3.90.0200.05313.96
5.3.80.0070.07313.94
5.3.70.0030.06713.95
5.3.60.0130.06314.09
5.3.50.0070.07013.89
5.3.40.0070.05313.91
5.3.30.0130.06713.84
5.3.20.0130.06313.47
5.3.10.0030.07013.58
5.3.00.0070.05713.72
5.2.170.0030.06712.65
5.2.160.0070.04712.65
5.2.150.0100.03712.65
5.2.140.0030.06312.65
5.2.130.0030.04712.65
5.2.120.0030.05012.65
5.2.110.0070.05712.65
5.2.100.0070.05712.65
5.2.90.0030.04712.65
5.2.80.0000.04012.65
5.2.70.0070.06012.65
5.2.60.0000.04312.65
5.2.50.0000.06012.65
5.2.40.0030.04312.65
5.2.30.0000.05712.65
5.2.20.0070.03712.65
5.2.10.0100.05012.65
5.2.00.0000.03712.65
5.1.60.0030.02712.65
5.1.50.0030.02312.65
5.1.40.0000.03312.65
5.1.30.0030.05712.65
5.1.20.0030.05712.65
5.1.10.0030.05312.65
5.1.00.0070.05012.65
5.0.50.0030.02712.65
5.0.40.0000.02312.65
5.0.30.0000.05712.65
5.0.20.0100.01712.65
5.0.10.0030.03712.65
5.0.00.0000.06012.65
4.4.90.0000.03712.65
4.4.80.0070.03012.65
4.4.70.0070.02312.65
4.4.60.0030.02012.65
4.4.50.0000.02312.65
4.4.40.0000.02312.65
4.4.30.0070.03012.65
4.4.20.0000.03012.65
4.4.10.0000.02712.65
4.4.00.0000.04712.65
4.3.110.0070.03312.65
4.3.100.0030.02012.65
4.3.90.0030.03712.65
4.3.80.0030.05012.65
4.3.70.0000.03712.65
4.3.60.0000.02712.65
4.3.50.0000.03712.65
4.3.40.0000.05712.65
4.3.30.0030.03712.65
4.3.20.0030.03012.65
4.3.10.0030.03312.65
4.3.00.0000.03312.65

preferences:
48.58 ms | 400 KiB | 5 Q