3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a =function ($str) { is_string(%1$s) ? strtolower(%1$s) : %1$s; }; var_dump($a('AAA'));

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)
5.4.310.0060.03812.52
5.4.300.0050.04312.52
5.4.290.0060.03712.51
5.4.280.0070.03712.41
5.4.270.0060.03612.41
5.4.260.0080.03512.41
5.4.250.0060.04612.41
5.4.240.0080.03812.41
5.4.230.0060.03812.40
5.4.220.0090.03312.40
5.4.210.0100.03112.40
5.4.200.0080.04012.40
5.4.190.0070.03712.40
5.4.180.0040.04212.40
5.4.170.0040.03812.40
5.4.160.0080.03712.40
5.4.150.0090.03312.39
5.4.140.0050.03812.09
5.4.130.0050.03612.07
5.4.120.0090.03212.04
5.4.110.0060.03512.03
5.4.100.0100.03012.03
5.4.90.0060.03612.03
5.4.80.0040.03912.03
5.4.70.0050.03812.02
5.4.60.0050.03612.03
5.4.50.0060.03512.03
5.4.40.0050.03512.02
5.4.30.0050.03612.01
5.4.20.0100.03112.00
5.4.10.0020.03812.01
5.4.00.0050.03711.50
5.3.280.0080.03612.71
5.3.270.0040.04112.72
5.3.260.0030.04212.72
5.3.250.0070.03612.71
5.3.240.0060.03812.72
5.3.230.0080.04712.71
5.3.220.0080.03912.68
5.3.210.0070.03912.68
5.3.200.0060.04212.68
5.3.190.0050.04012.68
5.3.180.0060.03612.67
5.3.170.0040.03912.67
5.3.160.0060.03712.67
5.3.150.0070.03612.68
5.3.140.0050.04012.66
5.3.130.0090.03612.66
5.3.120.0050.04012.66
5.3.110.0050.04012.66
5.3.100.0070.03512.12
5.3.90.0100.03212.10
5.3.80.0030.03912.09
5.3.70.0060.03712.09
5.3.60.0080.03412.09
5.3.50.0060.03612.02
5.3.40.0060.03512.02
5.3.30.0100.03111.98
5.3.20.0070.03411.77
5.3.10.0050.03611.73
5.3.00.0080.03411.71
5.2.170.0050.0329.18
5.2.160.0070.0279.18
5.2.150.0020.0329.18
5.2.140.0040.0319.18
5.2.130.0100.0299.14
5.2.120.0070.0269.14
5.2.110.0070.0269.14
5.2.100.0040.0299.14
5.2.90.0050.0299.14
5.2.80.0060.0289.14
5.2.70.0040.0309.14
5.2.60.0040.0309.09
5.2.50.0030.0349.05
5.2.40.0060.0339.03
5.2.30.0040.0309.02
5.2.20.0020.0319.00
5.2.10.0050.0278.92
5.2.00.0060.0288.78
5.1.60.0060.0228.07
5.1.50.0080.0218.06
5.1.40.0050.0238.04
5.1.30.0040.0278.40
5.1.20.0030.0278.42
5.1.10.0030.0278.14
5.1.00.0050.0258.14
5.0.50.0030.0216.63
5.0.40.0050.0186.48
5.0.30.0030.0346.30
5.0.20.0030.0206.27
5.0.10.0010.0226.23
5.0.00.0060.0286.23
4.4.90.0040.0144.78
4.4.80.0020.0164.75
4.4.70.0000.0184.75
4.4.60.0030.0144.76
4.4.50.0020.0164.77
4.4.40.0020.0264.71
4.4.30.0010.0174.76
4.4.20.0020.0164.84
4.4.10.0020.0164.85
4.4.00.0010.0264.75
4.3.110.0040.0144.66
4.3.100.0030.0154.66
4.3.90.0040.0134.63
4.3.80.0020.0254.58
4.3.70.0020.0154.63
4.3.60.0010.0164.63
4.3.50.0030.0164.63
4.3.40.0010.0264.54
4.3.30.0020.0163.28
4.3.20.0020.0163.25
4.3.10.0020.0153.22
4.3.00.0000.0237.21

preferences:
141.26 ms | 1394 KiB | 7 Q