3v4l.org

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

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)
5.4.320.0050.03712.50
5.4.310.0050.04012.49
5.4.300.0060.04012.50
5.4.290.0040.03912.49
5.4.280.0060.03512.39
5.4.270.0050.03812.39
5.4.260.0080.03512.39
5.4.250.0070.03612.39
5.4.240.0080.03412.39
5.4.230.0090.03512.38
5.4.220.0080.03412.38
5.4.210.0080.03412.38
5.4.200.0030.04112.38
5.4.190.0060.04412.38
5.4.180.0060.03612.38
5.4.170.0070.04012.38
5.4.160.0080.04112.38
5.4.150.0090.03312.38
5.4.140.0090.03512.07
5.4.130.0060.03512.05
5.4.120.0090.03612.02
5.4.110.0060.03612.01
5.4.100.0100.03312.01
5.4.90.0070.05312.01
5.4.80.0040.04212.01
5.4.70.0110.03812.00
5.4.60.0040.04112.00
5.4.50.0060.03912.01
5.4.40.0080.03711.99
5.4.30.0050.04212.00
5.4.20.0030.03711.99
5.4.10.0040.03611.99
5.4.00.0070.03311.48
5.3.290.0070.04312.80
5.3.280.0100.04112.71
5.3.270.0040.04812.72
5.3.260.0070.03912.72
5.3.250.0060.05012.72
5.3.240.0070.03612.72
5.3.230.0060.03712.71
5.3.220.0050.03712.68
5.3.210.0110.03312.68
5.3.200.0070.03612.68
5.3.190.0060.03612.68
5.3.180.0020.04012.67
5.3.170.0070.03912.67
5.3.160.0110.04612.67
5.3.150.0090.03812.68
5.3.140.0130.03412.66
5.3.130.0020.04412.66
5.3.120.0070.04212.66
5.3.110.0060.04012.66
5.3.100.0040.03912.11
5.3.90.0100.03412.08
5.3.80.0080.03412.07
5.3.70.0060.03912.07
5.3.60.0060.03612.07
5.3.50.0040.03912.00
5.3.40.0070.03712.00
5.3.30.0050.03811.95
5.3.20.0060.03711.72
5.3.10.0040.03811.70
5.3.00.0100.03311.68
5.2.170.0090.0419.18
5.2.160.0100.0369.18
5.2.150.0070.0389.18
5.2.140.0040.0329.18
5.2.130.0030.0329.14
5.2.120.0040.0359.14
5.2.110.0060.0329.14
5.2.100.0080.0329.14
5.2.90.0060.0369.14
5.2.80.0060.0329.14
5.2.70.0050.0339.14
5.2.60.0050.0319.09
5.2.50.0050.0369.06
5.2.40.0030.0329.04
5.2.30.0030.0369.01
5.2.20.0080.0449.00
5.2.10.0100.0458.92
5.2.00.0090.0388.78
5.1.60.0070.0328.06
5.1.50.0070.0308.06
5.1.40.0090.0258.04
5.1.30.0040.0298.40
5.1.20.0040.0278.41
5.1.10.0070.0258.14
5.1.00.0050.0318.14
5.0.50.0100.0226.62
5.0.40.0060.0186.48
5.0.30.0030.0426.29
5.0.20.0040.0256.26
5.0.10.0040.0206.24
5.0.00.0110.0546.23
4.4.90.0080.0304.78
4.4.80.0150.0314.75
4.4.70.0050.0224.75
4.4.60.0050.0184.75
4.4.50.0030.0184.77
4.4.40.0080.0294.71
4.4.30.0050.0174.76
4.4.20.0010.0194.85
4.4.10.0030.0164.85
4.4.00.0040.0284.75
4.3.110.0050.0194.67
4.3.100.0010.0194.66
4.3.90.0030.0194.64
4.3.80.0030.0264.58
4.3.70.0040.0234.63
4.3.60.0040.0214.63
4.3.50.0060.0204.63
4.3.40.0040.0314.54
4.3.30.0020.0163.28
4.3.20.0000.0193.26
4.3.10.0020.0183.22
4.3.00.0070.01315.63

preferences:
153.57 ms | 1394 KiB | 7 Q