3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = 'a'; $n = 100;//mt_rand(); for ($i = 0; $i < $n; $i++) { $str++; } print $str

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)
5.4.310.0050.03912.46
5.4.300.0060.03712.47
5.4.290.0060.04012.46
5.4.280.0070.03712.36
5.4.270.0050.03712.36
5.4.260.0030.04112.36
5.4.250.0050.04412.36
5.4.240.0090.03612.36
5.4.230.0060.08512.35
5.4.220.0100.04812.35
5.4.210.0070.05212.35
5.4.200.0060.04112.35
5.4.190.0060.05112.34
5.4.180.0050.05112.35
5.4.170.0070.05012.36
5.4.160.0050.03712.36
5.4.150.0090.03812.35
5.4.140.0060.03812.04
5.4.130.0020.03912.02
5.4.120.0040.03811.98
5.4.110.0030.03711.98
5.4.100.0060.03511.98
5.4.90.0060.03711.98
5.4.80.0080.05011.98
5.4.70.0060.04911.97
5.4.60.0060.03611.97
5.4.50.0060.03511.98
5.4.40.0060.04011.96
5.4.30.0020.03911.96
5.4.20.0040.03911.96
5.4.10.0050.03411.96
5.4.00.0030.04511.45
5.3.290.0060.04712.80
5.3.280.0100.03912.71
5.3.270.0110.05012.73
5.3.260.0130.03912.72
5.3.250.0050.03812.72
5.3.240.0030.04412.72
5.3.230.0020.04312.70
5.3.220.0090.03312.68
5.3.210.0060.03812.68
5.3.200.0070.03612.68
5.3.190.0050.03812.68
5.3.180.0060.03812.67
5.3.170.0080.04812.67
5.3.160.0040.04312.68
5.3.150.0070.04312.67
5.3.140.0070.04312.66
5.3.130.0050.03912.66
5.3.120.0080.04512.66
5.3.110.0070.03912.66
5.3.100.0010.04212.11
5.3.90.0050.03712.09
5.3.80.0050.03812.08
5.3.70.0070.03812.08
5.3.60.0080.03712.07
5.3.50.0080.04912.00
5.3.40.0090.04612.00
5.3.30.0070.03711.95
5.3.20.0070.03511.72
5.3.10.0040.04211.70
5.3.00.0070.04811.70
5.2.170.0020.0339.19
5.2.160.0040.0319.19
5.2.150.0030.0329.18
5.2.140.0030.0349.18
5.2.130.0060.0289.14
5.2.120.0080.0389.14
5.2.110.0060.0289.15
5.2.100.0070.0359.14
5.2.90.0060.0289.14
5.2.80.0050.0309.14
5.2.70.0070.0289.14
5.2.60.0060.0349.09
5.2.50.0060.0299.06
5.2.40.0020.0429.04
5.2.30.0050.0299.02
5.2.20.0080.0259.01
5.2.10.0040.0298.93
5.2.00.0040.0298.78
5.1.60.0040.0248.07
5.1.50.0030.0288.07
5.1.40.0050.0258.05
5.1.30.0050.0308.39
5.1.20.0010.0298.41
5.1.10.0070.0248.14
5.1.00.0030.0338.15
5.0.50.0040.0226.62
5.0.40.0060.0266.48
5.0.30.0020.0346.29
5.0.20.0050.0246.26
5.0.10.0060.0186.24
5.0.00.0040.0386.23
4.4.90.0050.0144.77
4.4.80.0010.0164.76
4.4.70.0030.0214.75
4.4.60.0020.0164.75
4.4.50.0030.0204.77
4.4.40.0040.0274.71
4.4.30.0020.0154.76
4.4.20.0020.0164.84
4.4.10.0020.0164.85
4.4.00.0040.0244.76
4.3.110.0040.0144.66
4.3.100.0000.0194.66
4.3.90.0030.0144.64
4.3.80.0030.0324.59
4.3.70.0030.0144.63
4.3.60.0040.0144.63
4.3.50.0020.0204.63
4.3.40.0020.0244.54
4.3.30.0000.0183.29
4.3.20.0030.0163.27
4.3.10.0050.0183.21
4.3.00.0100.01015.91

preferences:
141.28 ms | 1394 KiB | 7 Q