3v4l.org

run code in 300+ PHP versions simultaneously
<?php $t = array( 0, '0', '', null, false, array() ); foreach ($t as $i => $v) { if ($v == NULL) { echo "$i : $v IS NULL"; } else { echo "$i : $v is not 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)
5.4.320.0120.05412.46
5.4.310.0090.05412.46
5.4.300.0110.04112.47
5.4.290.0070.04012.46
5.4.280.0070.03512.36
5.4.270.0080.03612.36
5.4.260.0110.04712.36
5.4.250.0080.05212.36
5.4.240.0110.05112.36
5.4.230.0080.04112.35
5.4.220.0090.03912.36
5.4.210.0080.04212.36
5.4.200.0070.03912.35
5.4.190.0090.04712.35
5.4.180.0040.04312.35
5.4.170.0050.03812.36
5.4.160.0080.03412.34
5.4.150.0070.03512.36
5.4.140.0090.03512.04
5.4.130.0070.03512.03
5.4.120.0060.03511.99
5.4.110.0120.04311.98
5.4.100.0060.05011.98
5.4.90.0080.05311.98
5.4.80.0090.03611.98
5.4.70.0090.04511.97
5.4.60.0080.03311.98
5.4.50.0080.03211.98
5.4.40.0030.03711.96
5.4.30.0050.03711.96
5.4.20.0050.03611.96
5.4.10.0060.04611.96
5.4.00.0080.03411.45
5.3.290.0090.03612.80
5.3.280.0080.04312.71
5.3.270.0070.03812.72
5.3.260.0070.03812.72
5.3.250.0060.03812.72
5.3.240.0060.04312.72
5.3.230.0070.03612.71
5.3.220.0060.03712.68
5.3.210.0100.03512.68
5.3.200.0090.03412.68
5.3.190.0030.04112.68
5.3.180.0070.03712.67
5.3.170.0070.03712.66
5.3.160.0080.03612.68
5.3.150.0090.03412.68
5.3.140.0060.03612.66
5.3.130.0050.04012.66
5.3.120.0090.03912.66
5.3.110.0060.03912.65
5.3.100.0060.03612.12
5.3.90.0050.03712.08
5.3.80.0060.03612.07
5.3.70.0040.03912.07
5.3.60.0060.03712.07
5.3.50.0040.03912.00
5.3.40.0060.04112.00
5.3.30.0070.05111.95
5.3.20.0090.03711.73
5.3.10.0070.03311.70
5.3.00.0120.02911.69
5.2.170.0050.0309.18
5.2.160.0030.0309.18
5.2.150.0050.0299.19
5.2.140.0080.0299.18
5.2.130.0060.0419.14
5.2.120.0040.0349.14
5.2.110.0080.0269.15
5.2.100.0080.0259.14
5.2.90.0040.0309.14
5.2.80.0020.0349.14
5.2.70.0050.0319.14
5.2.60.0060.0289.09
5.2.50.0050.0359.06
5.2.40.0040.0309.04
5.2.30.0060.0329.02
5.2.20.0080.0319.01
5.2.10.0080.0268.93
5.2.00.0070.0278.79
5.1.60.0040.0248.07
5.1.50.0050.0238.07
5.1.40.0070.0238.05
5.1.30.0100.0328.41
5.1.20.0030.0308.42
5.1.10.0060.0278.15
5.1.00.0050.0258.14
5.0.50.0070.0176.63
5.0.40.0020.0256.49
5.0.30.0030.0336.30
5.0.20.0040.0196.27
5.0.10.0050.0186.24
5.0.00.0030.0316.24
4.4.90.0030.0204.78
4.4.80.0040.0144.76
4.4.70.0030.0174.76
4.4.60.0050.0234.75
4.4.50.0030.0164.77
4.4.40.0020.0264.71
4.4.30.0030.0154.76
4.4.20.0020.0174.84
4.4.10.0020.0194.85
4.4.00.0040.0274.76
4.3.110.0040.0154.67
4.3.100.0030.0154.66
4.3.90.0030.0144.63
4.3.80.0040.0244.58
4.3.70.0020.0164.63
4.3.60.0040.0144.63
4.3.50.0020.0174.63
4.3.40.0020.0254.54
4.3.30.0000.0183.29
4.3.20.0030.0153.27
4.3.10.0020.0163.22
4.3.00.0100.02013.95

preferences:
159.94 ms | 1386 KiB | 7 Q