3v4l.org

run code in 300+ PHP versions simultaneously
<?php $nr = '10'; echo is_float($nr)

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)
5.4.320.0090.03712.47
5.4.310.0070.04112.46
5.4.300.0030.04012.46
5.4.290.0050.03812.46
5.4.280.0030.04012.36
5.4.270.0050.03612.36
5.4.260.0060.04012.36
5.4.250.0100.04112.36
5.4.240.0080.03312.36
5.4.230.0060.03612.36
5.4.220.0070.03512.36
5.4.210.0050.03612.35
5.4.200.0050.04212.35
5.4.190.0020.03912.35
5.4.180.0070.04212.35
5.4.170.0060.04012.36
5.4.160.0050.03512.35
5.4.150.0020.03912.35
5.4.140.0060.03512.04
5.4.130.0050.03512.02
5.4.120.0040.04211.99
5.4.110.0020.04211.98
5.4.100.0070.03311.98
5.4.90.0060.03711.98
5.4.80.0040.03711.98
5.4.70.0040.03511.98
5.4.60.0070.03211.98
5.4.50.0040.04311.98
5.4.40.0120.03311.97
5.4.30.0090.03311.96
5.4.20.0060.03611.96
5.4.10.0040.03811.97
5.4.00.0080.03611.46
5.3.290.0060.03812.80
5.3.280.0040.03912.71
5.3.270.0060.03812.72
5.3.260.0020.04212.72
5.3.250.0040.03712.72
5.3.240.0040.03812.72
5.3.230.0040.03912.71
5.3.220.0040.03812.68
5.3.210.0070.04612.68
5.3.200.0060.04012.68
5.3.190.0070.03512.68
5.3.180.0090.03912.67
5.3.170.0050.03612.67
5.3.160.0070.03512.67
5.3.150.0080.03512.67
5.3.140.0050.03712.66
5.3.130.0070.03612.66
5.3.120.0070.04512.66
5.3.110.0070.04012.66
5.3.100.0090.03312.12
5.3.90.0010.04212.08
5.3.80.0060.03512.08
5.3.70.0090.04012.07
5.3.60.0030.04012.07
5.3.50.0060.04112.00
5.3.40.0090.03312.00
5.3.30.0080.03211.95
5.3.20.0070.03811.72
5.3.10.0050.04311.70
5.3.00.0040.04011.69
5.2.170.0090.0369.18
5.2.160.0040.0299.18
5.2.150.0040.0329.18
5.2.140.0080.0289.18
5.2.130.0030.0369.14
5.2.120.0060.0269.14
5.2.110.0030.0309.15
5.2.100.0050.0279.14
5.2.90.0040.0289.14
5.2.80.0030.0319.14
5.2.70.0020.0359.14
5.2.60.0060.0319.09
5.2.50.0020.0329.06
5.2.40.0030.0379.04
5.2.30.0060.0319.01
5.2.20.0060.0269.00
5.2.10.0050.0268.93
5.2.00.0070.0298.78
5.1.60.0110.0188.06
5.1.50.0050.0248.06
5.1.40.0030.0248.04
5.1.30.0020.0368.40
5.1.20.0070.0298.42
5.1.10.0050.0248.14
5.1.00.0070.0238.14
5.0.50.0040.0206.62
5.0.40.0030.0196.48
5.0.30.0040.0306.29
5.0.20.0030.0196.27
5.0.10.0050.0176.24
5.0.00.0040.0296.23
4.4.90.0010.0164.78
4.4.80.0030.0144.75
4.4.70.0020.0174.75
4.4.60.0020.0154.76
4.4.50.0050.0134.77
4.4.40.0000.0284.71
4.4.30.0040.0144.76
4.4.20.0000.0184.85
4.4.10.0050.0134.85
4.4.00.0040.0234.75
4.3.110.0020.0164.67
4.3.100.0040.0134.66
4.3.90.0010.0164.63
4.3.80.0000.0264.58
4.3.70.0020.0144.63
4.3.60.0030.0154.63
4.3.50.0040.0174.62
4.3.40.0030.0234.54
4.3.30.0020.0173.29
4.3.20.0000.0183.27
4.3.10.0030.0143.21
4.3.00.0070.01315.97

preferences:
142.91 ms | 1398 KiB | 7 Q