3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace test; echo \substr("data", 0, 1)

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)
5.4.320.0030.03719.06
5.4.310.0000.03718.92
5.4.300.0000.04018.88
5.4.290.0000.04018.79
5.4.280.0000.04019.08
5.4.270.0030.03318.80
5.4.260.0000.04319.11
5.4.250.0000.03718.91
5.4.240.0030.03719.07
5.4.230.0000.04018.91
5.4.220.0000.04019.08
5.4.210.0000.04318.88
5.4.200.0000.03718.82
5.4.190.0000.04018.89
5.4.180.0000.03719.08
5.4.170.0000.05319.19
5.4.160.0070.03018.89
5.4.150.0070.03318.86
5.4.140.0000.03716.16
5.4.130.0070.03016.33
5.4.120.0000.07316.54
5.4.110.0000.07716.48
5.4.100.0030.07316.39
5.4.90.0030.07016.30
5.4.80.0030.06316.40
5.4.70.0030.05016.38
5.4.60.0030.07016.04
5.4.50.0030.07016.41
5.4.40.0000.07316.28
5.4.30.0070.04316.39
5.4.20.0100.06716.38
5.4.10.0030.07716.36
5.4.00.0030.07015.88
5.3.290.0030.03714.75
5.3.280.0030.03714.42
5.3.270.0070.03314.45
5.3.260.0000.03714.48
5.3.250.0030.03314.46
5.3.240.0000.03714.46
5.3.230.0070.03014.64
5.3.220.0070.07014.47
5.3.210.0030.08314.43
5.3.200.0000.08314.52
5.3.190.0070.07014.66
5.3.180.0100.07014.44
5.3.170.0000.06014.39
5.3.160.0000.04714.52
5.3.150.0030.07314.54
5.3.140.0030.07714.43
5.3.130.0030.04314.38
5.3.120.0000.06714.38
5.3.110.0070.07714.38
5.3.100.0030.07713.88
5.3.90.0070.06313.93
5.3.80.0070.06313.86
5.3.70.0000.05313.86
5.3.60.0000.06013.96
5.3.50.0130.05713.76
5.3.40.0130.05313.97
5.3.30.0030.06313.95
5.3.20.0030.07013.71
5.3.10.0070.05713.53
5.3.00.0070.07313.47
5.2.170.0000.06312.36
5.2.160.0070.06012.36
5.2.150.0030.06012.36
5.2.140.0100.05012.36
5.2.130.0000.06712.36
5.2.120.0070.06012.36
5.2.110.0100.04012.36
5.2.100.0030.06312.36
5.2.90.0070.03312.36
5.2.80.0030.05712.36
5.2.70.0000.05312.36
5.2.60.0070.06312.36
5.2.50.0030.06012.36
5.2.40.0000.05712.36
5.2.30.0030.04712.36
5.2.20.0070.06012.36
5.2.10.0070.05712.36
5.2.00.0070.04312.36
5.1.60.0000.05712.36
5.1.50.0030.04712.36
5.1.40.0070.04712.36
5.1.30.0000.05712.36
5.1.20.0000.03712.36
5.1.10.0030.05712.36
5.1.00.0070.05312.36
5.0.50.0030.04312.36
5.0.40.0030.03712.36
5.0.30.0030.04712.36
5.0.20.0030.03312.36
5.0.10.0030.04712.36
5.0.00.0000.05012.36
4.4.90.0030.03312.36
4.4.80.0070.03012.36
4.4.70.0000.03712.36
4.4.60.0030.02312.36
4.4.50.0100.01712.36
4.4.40.0030.04312.36
4.4.30.0070.03012.36
4.4.20.0000.03712.36
4.4.10.0070.02712.36
4.4.00.0000.05712.36
4.3.110.0000.03712.36
4.3.100.0000.03312.36
4.3.90.0030.03312.36
4.3.80.0130.02312.36
4.3.70.0000.03712.36
4.3.60.0030.03012.36
4.3.50.0070.02712.36
4.3.40.0030.04312.36
4.3.30.0030.03712.36
4.3.20.0070.03012.36
4.3.10.0100.02012.36
4.3.00.0000.03012.36

preferences:
133.41 ms | 1394 KiB | 7 Q