3v4l.org

run code in 300+ PHP versions simultaneously
<?php $len1 = mb_strlen("ああえ","UTF-8"); $len2 = mb_strlen("らいうう","UTF-8"); echo $len1.<'br'>.$len2; ?>

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)
5.4.280.0230.11912.36
5.4.270.0170.09412.36
5.4.260.0110.06312.36
5.4.250.0100.06012.36
5.4.240.0250.06712.36
5.4.230.0200.08212.35
5.4.220.0200.09212.35
5.4.210.0270.08612.35
5.4.200.0120.08312.35
5.4.190.0190.06712.35
5.4.180.0180.10312.35
5.4.170.0120.03812.36
5.4.160.0070.03912.36
5.4.150.0100.04612.35
5.4.140.0270.08412.04
5.4.130.0110.06312.02
5.4.120.0170.07611.98
5.4.110.0160.08211.98
5.4.100.0150.05411.98
5.4.90.0100.06111.99
5.4.80.0130.06111.98
5.4.70.0160.05111.98
5.4.60.0130.06311.98
5.4.50.0140.06811.98
5.4.40.0210.09011.97
5.4.30.0090.08511.96
5.4.20.0120.05011.96
5.4.10.0160.07011.97
5.4.00.0060.05211.46
5.3.280.0270.15912.70
5.3.270.0230.08312.73
5.3.260.0120.08112.72
5.3.250.0150.04712.72
5.3.240.0200.08612.71
5.3.230.0160.06612.71
5.3.220.0230.09112.68
5.3.210.0290.08012.68
5.3.200.0540.06912.68
5.3.190.0150.06512.68
5.3.180.0160.09212.67
5.3.170.0180.10512.67
5.3.160.0250.09512.67
5.3.150.0350.08912.68
5.3.140.0130.06412.66
5.3.130.0160.04712.66
5.3.120.0170.07512.66
5.3.110.0160.06512.66
5.3.100.0090.05212.12
5.3.90.0200.06212.09
5.3.80.0090.05112.08
5.3.70.0100.04612.07
5.3.60.0120.03512.06
5.3.50.0100.04112.00
5.3.40.0240.09612.00
5.3.30.0210.07811.94
5.3.20.0230.05711.70
5.3.10.0150.04811.67
5.3.00.0170.06111.66
5.2.170.0220.0809.15
5.2.160.0120.0529.15
5.2.150.0070.0329.16
5.2.140.0100.0659.15
5.2.130.0100.0439.11
5.2.120.0090.0429.11
5.2.110.0120.0449.12
5.2.100.0090.0459.12
5.2.90.0210.0479.11
5.2.80.0060.0519.11
5.2.70.0130.0529.11
5.2.60.0130.0349.06
5.2.50.0060.0469.04
5.2.40.0080.0289.01
5.2.30.0100.0388.98
5.2.20.0130.0458.97
5.2.10.0090.0388.90
5.2.00.0090.0408.75
5.1.60.0090.0378.05
5.1.50.0110.0308.05
5.1.40.0030.0288.03
5.1.30.0040.0308.38
5.1.20.0080.0278.40
5.1.10.0060.0318.12
5.1.00.0100.0378.13
5.0.50.0050.0326.60
5.0.40.0070.0286.46
5.0.30.0040.0436.27
5.0.20.0040.0216.25
5.0.10.0070.0306.22
5.0.00.0080.0326.21
4.4.90.0060.0154.77
4.4.80.0040.0164.75
4.4.70.0050.0154.75
4.4.60.0020.0194.75
4.4.50.0030.0174.77
4.4.40.0050.0294.71
4.4.30.0050.0174.76
4.4.20.0050.0344.84
4.4.10.0070.0224.85
4.4.00.0040.0294.76
4.3.110.0050.0294.67
4.3.100.0080.0214.66
4.3.90.0050.0234.63
4.3.80.0070.0304.59
4.3.70.0060.0194.63
4.3.60.0180.0404.63
4.3.50.0050.0214.63
4.3.40.0040.0364.54
4.3.30.0060.0293.27
4.3.20.0020.0213.25
4.3.10.0230.0353.21
4.3.00.0030.0207.54

preferences:
147.9 ms | 1394 KiB | 7 Q