3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo mb_strlen('中国')

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)
5.4.350.0040.03711.98
5.4.340.0100.04511.98
5.4.320.0090.05012.47
5.4.310.0090.05812.46
5.4.300.0120.04212.47
5.4.290.0110.05112.46
5.4.280.0070.07912.36
5.4.270.0170.06412.36
5.4.260.0070.04112.36
5.4.250.0070.04512.36
5.4.240.0060.04112.36
5.4.230.0060.04112.35
5.4.220.0060.03712.36
5.4.210.0060.04412.35
5.4.200.0080.04512.35
5.4.190.0120.05712.35
5.4.180.0110.04812.35
5.4.170.0060.08612.36
5.4.160.0270.10812.35
5.4.150.0210.06812.35
5.4.140.0140.08412.04
5.4.130.0130.05312.02
5.4.120.0080.04711.99
5.4.110.0100.06211.98
5.4.100.0110.03711.98
5.4.90.0130.05411.98
5.4.80.0190.07011.98
5.4.70.0130.05711.98
5.4.60.0110.06011.98
5.4.50.0150.04911.98
5.4.40.0020.04111.96
5.4.30.0100.04011.96
5.4.20.0110.07811.96
5.4.10.0070.04411.96
5.4.00.0140.05511.45
5.3.290.0080.04512.80
5.3.280.0180.07812.71
5.3.270.0170.10612.72
5.3.260.0170.09912.72
5.3.250.0140.09712.72
5.3.240.0100.09112.72
5.3.230.0080.04312.71
5.3.220.0120.06212.68
5.3.210.0080.04812.68
5.3.200.0070.04212.68
5.3.190.0060.04512.68
5.3.180.0080.04512.67
5.3.170.0090.04112.67
5.3.160.0100.04712.68
5.3.150.0070.05812.68
5.3.140.0060.05012.66
5.3.130.0110.06212.66
5.3.120.0090.04512.66
5.3.110.0090.06912.66
5.3.100.0130.05512.12
5.3.90.0100.05612.09
5.3.80.0100.04612.07
5.3.70.0120.07012.08
5.3.60.0120.03612.06
5.3.50.0090.04112.00
5.3.40.0100.05012.00
5.3.30.0060.04011.95
5.3.20.0050.04011.73
5.3.10.0080.03811.70
5.3.00.0070.04811.68
5.2.170.0060.0349.18
5.2.160.0070.0409.18
5.2.150.0080.0419.18
5.2.140.0050.0379.18
5.2.130.0080.0339.14
5.2.120.0060.0309.14
5.2.110.0060.0309.15
5.2.100.0040.0309.14
5.2.90.0060.0319.14
5.2.80.0100.0909.14
5.2.70.0050.0369.14
5.2.60.0090.0339.09
5.2.50.0130.0359.06
5.2.40.0190.0459.04
5.2.30.0120.0719.02
5.2.20.0080.0599.00
5.2.10.0180.1368.93
5.2.00.0090.0348.78
5.1.60.0130.0438.07
5.1.50.0050.0278.06
5.1.40.0070.0248.05
5.1.30.0130.0558.40
5.1.20.0030.0358.42
5.1.10.0080.0268.14
5.1.00.0050.0368.14
5.0.50.0030.0246.63
5.0.40.0030.0216.48
5.0.30.0040.0346.29
5.0.20.0040.0226.26
5.0.10.0090.0296.24
5.0.00.0040.0446.23
4.4.90.0050.0274.78
4.4.80.0050.0314.75
4.4.70.0100.0354.75
4.4.60.0040.0184.75
4.4.50.0060.0284.77
4.4.40.0050.0274.71
4.4.30.0060.0204.76
4.4.20.0030.0204.85
4.4.10.0060.0154.85
4.4.00.0050.0264.76
4.3.110.0040.0164.66
4.3.100.0010.0204.66
4.3.90.0050.0144.63
4.3.80.0040.0534.58
4.3.70.0130.0274.63
4.3.60.0130.0324.63
4.3.50.0070.0344.63
4.3.40.0160.0904.54
4.3.30.0040.0223.29
4.3.20.0090.0403.27
4.3.10.0020.0203.21
4.3.00.0130.0206.97

preferences:
142.11 ms | 1394 KiB | 7 Q