3v4l.org

run code in 300+ PHP versions simultaneously
<?php $tab = array(); unset($tab['test'])

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)
5.4.220.0100.03912.32
5.4.210.0100.04012.32
5.4.200.0120.04512.33
5.4.190.0090.04312.32
5.4.180.0120.03812.32
5.4.170.0100.03912.33
5.4.160.0120.03812.32
5.4.150.0110.04112.32
5.4.140.0070.04512.01
5.4.130.0100.04111.99
5.4.120.0080.04211.96
5.4.110.0100.04111.95
5.4.100.0120.03811.95
5.4.90.0120.04311.95
5.4.80.0080.04411.95
5.4.70.0130.03611.95
5.4.60.0110.04111.95
5.4.50.0140.03611.95
5.4.40.0130.04011.94
5.4.30.0130.04011.93
5.4.20.0120.03811.93
5.4.10.0100.04311.93
5.4.00.0120.03811.42
5.3.270.0120.04712.72
5.3.260.0100.04312.72
5.3.250.0200.06512.72
5.3.240.0090.04312.72
5.3.230.0130.04212.71
5.3.220.0170.03612.68
5.3.210.0150.03912.68
5.3.200.0140.04112.68
5.3.190.0130.04112.67
5.3.180.0170.03812.67
5.3.170.0140.04012.67
5.3.160.0120.04212.67
5.3.150.0130.04712.67
5.3.140.0130.04412.66
5.3.130.0140.04212.66
5.3.120.0190.06612.66
5.3.110.0130.04212.66
5.3.100.0120.04112.12
5.3.90.0130.03812.09
5.3.80.0150.04312.07
5.3.70.0140.04212.07
5.3.60.0130.04212.07
5.3.50.0150.04112.00
5.3.40.0140.04212.00
5.3.30.0210.04411.94
5.3.20.0120.04211.70
5.3.10.0150.03611.66
5.3.00.0100.04111.65
5.2.170.0090.0389.15
5.2.160.0090.0329.15
5.2.150.0110.0319.15
5.2.140.0080.0349.15
5.2.130.0090.0329.11
5.2.120.0070.0389.11
5.2.110.0080.0349.12
5.2.100.0100.0329.11
5.2.90.0090.0319.11
5.2.80.0110.0319.10
5.2.70.0110.0329.10
5.2.60.0120.0329.06
5.2.50.0100.0349.03
5.2.40.0090.0329.00
5.2.30.0100.0318.98
5.2.20.0130.0298.96
5.2.10.0100.0328.89
5.2.00.0110.0318.75
5.1.60.0080.0268.04
5.1.50.0050.0308.03
5.1.40.0070.0298.02
5.1.30.0080.0308.37
5.1.20.0090.0308.39
5.1.10.0090.0328.12
5.1.00.0090.0298.11
5.0.50.0070.0246.60
5.0.40.0050.0246.45
5.0.30.0060.0346.26
5.0.20.0060.0236.24
5.0.10.0050.0246.21
5.0.00.0080.0376.21
4.4.90.0050.0214.78
4.4.80.0050.0214.76
4.4.70.0070.0184.75
4.4.60.0070.0154.75
4.4.50.0040.0184.77
4.4.40.0080.0264.70
4.4.30.0110.0134.76
4.4.20.0050.0184.84
4.4.10.0080.0154.85
4.4.00.0060.0254.75
4.3.110.0040.0194.67
4.3.100.0050.0164.67
4.3.90.0050.0164.63
4.3.80.0040.0274.58
4.3.70.0070.0174.63
4.3.60.0060.0184.63
4.3.50.0040.0184.63
4.3.40.0050.0254.54
4.3.30.0050.0153.28
4.3.20.0040.0173.26
4.3.10.0040.0183.22
4.3.00.0100.02313.23

preferences:
145.5 ms | 1394 KiB | 7 Q