3v4l.org

run code in 300+ PHP versions simultaneously
<?php $s = '๐Ÿ‘จโ€๐Ÿ‘ฉโ€๐Ÿ‘งโ€๐Ÿ‘ฆ'; var_dump(strlen($s)); var_dump(mb_strlen($s)); var_dump(grapheme_strlen($s));

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)
8.4.120.0130.00721.33
8.4.110.0110.01021.84
8.4.100.0090.01118.73
8.4.90.0080.00521.76
8.4.80.0110.00919.97
8.4.70.0130.00619.93
8.4.60.0160.00621.53
8.4.50.0150.00721.24
8.4.40.0120.00918.71
8.4.30.0130.00621.52
8.4.20.0150.00620.08
8.4.10.0080.01220.42
8.3.250.0100.00919.78
8.3.240.0130.00717.66
8.3.230.0120.00817.54
8.3.220.0040.00520.09
8.3.210.0080.00717.61
8.3.200.0050.00317.47
8.3.190.0080.01118.07
8.3.180.0090.01019.97
8.3.170.0130.00317.92
8.3.160.0070.01119.25
8.3.150.0110.00718.22
8.3.140.0000.00817.41
8.3.130.0050.00519.46
8.3.120.0030.01419.52
8.3.110.0180.00417.44
8.3.100.0240.00017.34
8.3.90.0160.00619.29
8.3.80.0190.00317.34
8.3.70.0230.00017.27
8.3.60.0160.00518.92
8.3.50.0150.00517.28
8.3.40.0050.01618.40
8.3.30.0130.00418.18
8.3.20.0170.00018.20
8.3.10.0090.00720.13
8.3.00.0000.01220.08
8.2.290.0120.00718.21
8.2.280.0140.00719.35
8.2.270.0040.00417.72
8.2.260.0070.01118.14
8.2.250.0130.00517.44
8.2.240.0160.00317.48
8.2.230.0150.00417.63
8.2.220.0150.00617.35
8.2.210.0140.00617.16
8.2.200.0140.00317.34
8.2.190.0150.00318.86
8.2.180.0090.00917.32
8.2.170.0150.00518.16
8.2.160.0120.00718.38
8.2.150.0120.00618.29
8.2.140.0140.00418.18
8.2.130.0180.00418.18
8.2.120.0120.00818.37
8.2.110.0090.01218.46
8.2.100.0090.01218.16
8.2.90.0200.00018.32
8.2.80.0140.00718.07
8.2.70.0140.00719.98
8.2.60.0040.01518.14
8.2.50.0140.00618.00
8.2.40.0110.00820.15
8.2.30.0150.00418.45
8.2.20.0170.00318.49
8.2.10.0110.00820.12
8.2.00.0110.00518.19
8.1.330.0110.00817.22
8.1.320.0090.00917.04
8.1.310.0050.00317.71
8.1.300.0090.00916.87
8.1.290.0140.00616.85
8.1.280.0090.00916.77
8.1.270.0160.00318.16
8.1.260.0190.00518.12
8.1.250.0140.00518.15
8.1.240.0070.01017.97
8.1.230.0120.00418.23
8.1.220.0110.00718.07
8.1.210.0130.00318.11
8.1.200.0120.00618.10
8.1.190.0150.00317.95
8.1.180.0180.00017.95
8.1.170.0130.00318.20
8.1.160.0120.00418.06
8.1.150.0120.00418.28
8.1.140.0150.00419.94
8.1.130.0140.00419.79
8.1.120.0120.00618.19
8.1.110.0080.00818.16
8.1.100.0140.00318.38
8.1.90.0170.00018.12
8.1.80.0110.00819.94
8.1.70.0140.00518.27
8.1.60.0140.00618.38
8.1.50.0130.00718.41
8.1.40.0150.00520.21
8.1.30.0120.00618.38
8.1.20.0130.00618.29
8.1.10.0160.00318.45
8.1.00.0170.00318.22

preferences:
44.39 ms | 403 KiB | 5 Q