3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(is_numeric("1e3445");

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)
5.4.320.0060.03512.50
5.4.310.0050.03812.50
5.4.300.0020.03912.50
5.4.290.0050.03812.49
5.4.280.0030.04012.39
5.4.270.0030.03912.39
5.4.260.0070.03512.39
5.4.250.0050.03812.39
5.4.240.0060.03512.39
5.4.230.0060.04012.38
5.4.220.0050.03712.38
5.4.210.0040.03612.38
5.4.200.0050.03712.38
5.4.190.0050.03612.38
5.4.180.0040.03812.38
5.4.170.0070.03812.39
5.4.160.0060.03412.38
5.4.150.0080.03312.38
5.4.140.0040.03712.07
5.4.130.0030.03812.05
5.4.120.0050.03512.02
5.4.110.0060.03412.01
5.4.100.0040.04012.02
5.4.90.0040.03712.01
5.4.80.0040.03812.01
5.4.70.0100.02912.01
5.4.60.0070.03212.01
5.4.50.0060.03412.01
5.4.40.0020.03912.00
5.4.30.0060.03411.99
5.4.20.0040.03611.99
5.4.10.0060.03311.99
5.4.00.0060.03511.48
5.3.290.0050.03812.80
5.3.280.0080.03512.70
5.3.270.0080.03712.72
5.3.260.0030.04112.72
5.3.250.0060.03712.71
5.3.240.0060.04412.72
5.3.230.0040.03912.71
5.3.220.0040.03812.68
5.3.210.0040.04112.68
5.3.200.0030.03912.68
5.3.190.0060.03612.68
5.3.180.0080.03312.68
5.3.170.0040.03712.66
5.3.160.0070.03412.68
5.3.150.0060.03512.67
5.3.140.0050.03712.66
5.3.130.0070.03612.66
5.3.120.0060.03812.66
5.3.110.0080.04312.66
5.3.100.0090.03312.12
5.3.90.0040.03812.09
5.3.80.0080.03512.07
5.3.70.0040.03712.08
5.3.60.0060.03512.06
5.3.50.0070.03412.00
5.3.40.0060.03512.00
5.3.30.0070.03311.95
5.3.20.0100.03211.73
5.3.10.0080.03211.70
5.3.00.0050.03711.68
5.2.170.0040.0319.18
5.2.160.0050.0289.18
5.2.150.0030.0369.18
5.2.140.0070.0359.18
5.2.130.0030.0349.14
5.2.120.0090.0239.14
5.2.110.0040.0299.15
5.2.100.0040.0289.14
5.2.90.0030.0309.14
5.2.80.0030.0319.14
5.2.70.0030.0319.14
5.2.60.0020.0319.09
5.2.50.0040.0309.06
5.2.40.0020.0309.04
5.2.30.0050.0289.01
5.2.20.0070.0269.00
5.2.10.0020.0308.93
5.2.00.0050.0298.78
5.1.60.0020.0268.07
5.1.50.0030.0268.06
5.1.40.0090.0228.05
5.1.30.0060.0368.40
5.1.20.0010.0298.42
5.1.10.0050.0268.14
5.1.00.0040.0268.14
5.0.50.0050.0236.62
5.0.40.0040.0196.48
5.0.30.0030.0326.29
5.0.20.0040.0296.26
5.0.10.0050.0236.24
5.0.00.0040.0306.23
4.4.90.0030.0164.77
4.4.80.0050.0144.76
4.4.70.0030.0154.75
4.4.60.0030.0154.76
4.4.50.0010.0174.77
4.4.40.0050.0224.70
4.4.30.0010.0174.76
4.4.20.0010.0174.84
4.4.10.0020.0164.85
4.4.00.0000.0284.76
4.3.110.0020.0164.67
4.3.100.0030.0144.67
4.3.90.0020.0154.63
4.3.80.0030.0244.58
4.3.70.0040.0134.63
4.3.60.0030.0144.63
4.3.50.0030.0154.63
4.3.40.0010.0324.54
4.3.30.0000.0183.28
4.3.20.0020.0163.26
4.3.10.0020.0153.22
4.3.00.0000.0209.61

preferences:
136.57 ms | 1394 KiB | 7 Q