3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo mb_strlen("안녕", "utf-8"); echo strlen("안녕녕");

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)
8.3.60.0120.00616.25
8.3.50.0090.00917.21
8.3.40.0070.00718.67
8.3.30.0140.00018.48
8.3.20.0080.00018.65
8.3.10.0040.00418.48
8.3.00.0080.00019.15
8.2.180.0210.00018.04
8.2.170.0140.00322.96
8.2.160.0080.00818.83
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0030.00526.16
8.2.120.0080.00019.54
8.2.110.0040.00420.29
8.2.100.0110.00317.78
8.2.90.0050.00317.75
8.2.80.0040.00418.78
8.2.70.0030.00617.50
8.2.60.0070.00417.90
8.2.50.0030.00617.78
8.2.40.0000.00819.23
8.2.30.0000.00917.72
8.2.20.0030.00717.46
8.2.10.0000.00717.41
8.2.00.0040.00417.61
8.1.280.0100.00725.92
8.1.270.0000.00723.99
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0050.00520.45
8.1.230.0120.00017.77
8.1.220.0060.00317.74
8.1.210.0060.00318.77
8.1.200.0060.00317.23
8.1.190.0050.00316.97
8.1.180.0000.00818.10
8.1.170.0080.00017.62
8.1.160.0080.00018.95
8.1.150.0000.00718.60
8.1.140.0040.00417.34
8.1.130.0000.00719.01
8.1.120.0040.00417.32
8.1.110.0050.00317.27
8.1.100.0040.00317.28
8.1.90.0070.00017.21
8.1.80.0000.00717.25
8.1.70.0030.00317.26
8.1.60.0000.00717.39
8.1.50.0040.00417.50
8.1.40.0000.00817.47
8.1.30.0040.00417.57
8.1.20.0060.00617.49
8.1.10.0080.00017.39
8.1.00.0000.00817.30
8.0.300.0070.00018.77
8.0.290.0000.00716.75
8.0.280.0000.00718.47
8.0.270.0000.00717.35
8.0.260.0030.00316.71
8.0.250.0040.00416.78
8.0.240.0030.00316.85
8.0.230.0030.00316.70
8.0.220.0030.00516.82
8.0.210.0060.00316.84
8.0.200.0030.00316.86
8.0.190.0000.00816.75
8.0.180.0000.00816.88
8.0.170.0030.00616.88
8.0.160.0030.00316.87
8.0.150.0030.00716.79
8.0.140.0000.00716.68
8.0.130.0000.00513.21
8.0.120.0030.00616.77
8.0.110.0000.00716.76
8.0.100.0040.00416.82
8.0.90.0000.00716.85
8.0.80.0090.00916.84
8.0.70.0040.00416.67
8.0.60.0060.00316.78
8.0.50.0030.00616.84
8.0.30.0100.01017.13
8.0.20.0100.00816.89
8.0.10.0040.00416.80
8.0.00.0070.01316.63
7.4.330.0030.00312.78
7.4.320.0000.00616.36
7.4.300.0060.00016.43
7.4.290.0000.01216.41
7.4.280.0000.00716.32
7.4.270.0080.00016.49
7.4.260.0060.00013.19
7.4.250.0000.00816.35
7.4.240.0040.00416.45
7.4.230.0070.00016.32
7.4.220.0060.01216.45
7.4.210.0060.01416.41
7.4.200.0000.00716.43
7.4.190.0000.00816.49
7.4.160.0090.00616.32
7.4.150.0140.00316.30
7.4.140.0060.01217.86
7.4.130.0140.01116.25
7.4.120.0070.01516.41
7.4.110.0110.00716.41
7.4.100.0100.00616.33
7.4.90.0120.00616.17
7.4.80.0070.01019.39
7.4.70.0060.01016.54
7.4.60.0090.00816.33
7.4.50.0000.00416.28
7.4.40.0030.01116.27
7.4.30.0110.00616.36
7.4.00.0080.00414.72
7.3.330.0030.00313.03
7.3.320.0000.00612.89
7.3.310.0030.00316.21
7.3.300.0000.00616.04
7.3.290.0100.00716.15
7.3.280.0000.01916.06
7.3.270.0110.00916.45
7.3.260.0140.00816.41
7.3.240.0070.01016.35
7.3.230.0040.01916.49
7.3.210.0030.01316.50
7.3.200.0120.00816.29
7.3.190.0100.00616.32
7.3.180.0070.01016.08
7.3.170.0090.00816.34
7.3.160.0060.01516.44
7.3.120.0120.00314.73
7.2.330.0130.00316.15
7.2.320.0100.00916.39
7.2.310.0090.00916.59
7.2.300.0100.00716.58
7.2.290.0150.00316.23
7.2.00.0060.00619.20
7.1.100.0000.01118.00
7.1.70.0000.00717.11
7.1.60.0130.01019.25
7.1.50.0070.00716.79
7.1.00.0000.03722.36
7.0.200.0000.01016.72
7.0.140.0000.07722.23
7.0.120.0030.07022.13
7.0.60.0030.08320.00
7.0.50.0070.06017.82
7.0.40.0000.07720.23
7.0.30.0500.05720.21
7.0.20.0200.04720.09
7.0.10.0270.04020.12
7.0.00.0030.07720.08
5.6.280.0030.07321.06
5.6.210.0000.07720.69
5.6.200.0070.08718.11
5.6.190.0030.05320.57
5.6.180.0270.08020.33
5.6.170.0270.08020.49
5.6.160.0030.05720.50
5.6.150.0070.08018.11
5.6.140.0170.07018.12
5.6.130.0070.08718.04
5.6.120.0130.07021.14
5.6.110.0070.08720.96
5.6.100.0070.08320.98
5.6.90.0100.08020.96
5.6.80.0000.06720.40
5.6.70.4270.03320.36
5.5.350.0230.06720.46
5.5.340.0000.06317.93
5.5.330.0030.09020.19
5.5.320.0270.06020.17
5.5.310.0200.04720.30
5.5.300.0030.04317.96
5.5.290.0000.04318.02
5.5.280.0100.06720.74
5.5.270.0170.06720.80
5.5.260.0000.04320.79
5.5.250.0100.07720.48
5.5.240.0030.07320.25
5.4.450.0270.04319.10
5.4.440.3970.04319.45
5.4.430.0100.06019.30
5.4.420.0070.05719.32
5.4.410.0100.05319.52
5.4.400.0070.05718.96
5.4.390.0100.05019.16
5.4.380.0070.07018.61
5.4.370.0230.03018.56
5.4.360.0130.03018.50
5.4.350.0080.03811.97
5.4.340.0020.03911.96
5.4.320.0060.04812.45
5.4.310.0060.04412.45
5.4.300.0080.04712.45
5.4.290.0110.05012.45
5.4.280.0090.04612.34
5.4.270.0080.04112.34
5.4.260.0080.04912.35
5.4.250.0070.04612.34
5.4.240.0080.04412.35
5.4.230.0060.04512.34
5.4.220.0060.04412.34
5.4.210.0090.04412.34
5.4.200.0080.04712.34
5.4.190.0090.04612.33
5.4.180.0090.04512.33
5.4.170.0080.05012.34
5.4.160.0070.05012.34
5.4.150.0110.04012.34
5.4.140.0090.03912.02
5.4.130.0070.04112.01
5.4.120.0070.04411.97
5.4.110.0090.04111.96
5.4.100.0080.04111.96
5.4.90.0070.04511.96
5.4.80.0080.05711.96
5.4.70.0110.04311.96
5.4.60.0130.04211.96
5.4.50.0060.04711.96
5.4.40.0100.04011.95
5.4.30.0080.04211.95
5.4.20.0070.04011.95
5.4.10.0130.04611.95
5.4.00.0090.03911.43
5.3.290.0090.04512.80
5.3.280.0080.04312.71
5.3.270.0090.04612.72
5.3.260.0100.04612.72
5.3.250.0080.04312.72
5.3.240.0090.04412.72
5.3.230.0080.04712.71
5.3.220.0070.04212.68
5.3.210.0090.05412.68
5.3.200.0120.05312.68
5.3.190.0060.04412.67
5.3.180.0100.04912.67
5.3.170.0100.04912.67
5.3.160.0100.05012.67
5.3.150.0090.05412.67
5.3.140.0130.06012.66
5.3.130.0080.05212.66
5.3.120.0080.05012.66
5.3.110.0090.04912.66
5.3.100.0090.04812.12
5.3.90.0090.05312.08
5.3.80.0090.04512.08
5.3.70.0070.04712.08
5.3.60.0080.04212.06
5.3.50.0070.04312.00

preferences:
51.53 ms | 401 KiB | 5 Q