3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(isset($ololo=null));

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)
5.4.350.0080.03812.01
5.4.340.0070.04712.01
5.4.320.0120.05012.50
5.4.310.0100.08312.49
5.4.300.0060.04412.49
5.4.290.0110.04312.50
5.4.280.0070.04212.39
5.4.270.0120.03812.39
5.4.260.0080.05212.39
5.4.250.0100.04612.39
5.4.240.0110.05612.39
5.4.230.0120.04212.38
5.4.220.0100.04412.38
5.4.210.0120.05012.38
5.4.200.0120.05112.38
5.4.190.0100.05212.38
5.4.180.0120.05212.38
5.4.170.0100.05512.39
5.4.160.0060.04012.38
5.4.150.0130.05712.38
5.4.140.0090.05512.07
5.4.130.0110.05712.05
5.4.120.0220.06012.02
5.4.110.0100.05312.02
5.4.100.0110.04812.01
5.4.90.0140.04712.01
5.4.80.0130.04512.01
5.4.70.0060.04912.01
5.4.60.0080.04712.01
5.4.50.0070.04912.01
5.4.40.0160.07012.00
5.4.30.0150.05611.99
5.4.20.0190.07811.99
5.4.10.0190.07111.99
5.4.00.0070.05611.48
5.3.290.0240.08012.80
5.3.280.0090.07112.71
5.3.270.0080.06112.73
5.3.260.0080.04312.72
5.3.250.0080.04012.72
5.3.240.0090.04312.72
5.3.230.0120.04512.71
5.3.220.0100.04912.68
5.3.210.0130.04612.68
5.3.200.0040.05112.68
5.3.190.0110.04212.68
5.3.180.0080.04712.67
5.3.170.0080.04612.67
5.3.160.0120.04612.68
5.3.150.0110.04412.68
5.3.140.0080.06012.66
5.3.130.0080.05212.66
5.3.120.0070.07812.66
5.3.110.0120.05212.66
5.3.100.0090.05412.12
5.3.90.0080.05212.08
5.3.80.0080.05112.08
5.3.70.0070.05312.08
5.3.60.0070.05312.06
5.3.50.0110.04712.00
5.3.40.0070.05412.00
5.3.30.0110.04911.95
5.3.20.0130.04611.72
5.3.10.0080.04511.70
5.3.00.0140.04511.68
5.2.170.0070.0409.18
5.2.160.0090.0349.18
5.2.150.0090.0369.19
5.2.140.0060.0369.18
5.2.130.0060.0349.14
5.2.120.0090.0359.14
5.2.110.0070.0409.15
5.2.100.0070.0499.15
5.2.90.0080.0329.14
5.2.80.0050.0379.14
5.2.70.0100.0339.14
5.2.60.0090.0339.09
5.2.50.0090.0369.06
5.2.40.0090.0379.03
5.2.30.0060.0389.01
5.2.20.0060.0339.00
5.2.10.0060.0358.93
5.2.00.0060.0408.78
5.1.60.0070.0278.07
5.1.50.0040.0538.06
5.1.40.0080.0388.05
5.1.30.0090.0378.40
5.1.20.0070.0368.41
5.1.10.0090.0288.14
5.1.00.0060.0378.14
5.0.50.0030.0306.62
5.0.40.0050.0296.48
5.0.30.0080.0416.29
5.0.20.0090.0466.26
5.0.10.0040.0256.24
5.0.00.0050.0366.23
4.4.90.0040.0214.78
4.4.80.0030.0204.75
4.4.70.0030.0224.75
4.4.60.0050.0174.75
4.4.50.0060.0274.77
4.4.40.0030.0314.71
4.4.30.0050.0184.76
4.4.20.0010.0214.84
4.4.10.0050.0234.85
4.4.00.0040.0314.76
4.3.110.0010.0204.67
4.3.100.0030.0184.66
4.3.90.0030.0204.64
4.3.80.0030.0284.59
4.3.70.0030.0154.63
4.3.60.0040.0154.63
4.3.50.0020.0174.63
4.3.40.0030.0254.53
4.3.30.0040.0193.29
4.3.20.0020.0203.27
4.3.10.0020.0223.21
4.3.00.0170.0236.66

preferences:
144.62 ms | 1394 KiB | 7 Q