3v4l.org

run code in 300+ PHP versions simultaneously
<?php $v = [false]; foreach($v as $t): echo PHP_EOL; echo PHP_EOL; list($t1, $t2, $t3, $t4) = [$t, $t, $t, $t]; var_dump(gettype($t) . ':' . var_export($t, true), var_dump('-$t', -$t); var_dump('+$t', +$t); var_dump('!$t', !$t); var_dump('~$t', ~$t); var_dump('$t++', $t1++); var_dump('$t--', $t2--); var_dump('--$t', --$t3); var_dump('++$t', ++$t4]); endforeach;

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)
5.4.320.0050.03912.50
5.4.310.0030.04012.50
5.4.300.0080.03412.50
5.4.290.0050.03912.50
5.4.280.0050.03612.39
5.4.270.0060.04112.39
5.4.260.0040.03912.39
5.4.250.0080.03512.39
5.4.240.0070.03512.39
5.4.230.0050.03912.39
5.4.220.0060.03612.39
5.4.210.0040.03612.38
5.4.200.0050.03812.39
5.4.190.0040.03712.38
5.4.180.0050.03712.38
5.4.170.0040.03812.39
5.4.160.0050.03912.39
5.4.150.0050.03912.38
5.4.140.0040.04012.07
5.4.130.0070.03412.05
5.4.120.0060.04012.02
5.4.110.0080.03412.02
5.4.100.0030.03712.02
5.4.90.0070.04112.01
5.4.80.0060.03612.02
5.4.70.0080.03712.01
5.4.60.0050.03512.01
5.4.50.0050.03612.02
5.4.40.0040.03512.00
5.4.30.0030.03811.99
5.4.20.0030.03612.00
5.4.10.0100.03012.00
5.4.00.0060.03411.48
5.3.290.0040.04012.80
5.3.280.0050.04112.71
5.3.270.0080.04012.72
5.3.260.0060.03912.72
5.3.250.0060.03612.72
5.3.240.0060.03612.72
5.3.230.0060.03812.71
5.3.220.0080.03412.68
5.3.210.0050.03912.68
5.3.200.0040.03812.68
5.3.190.0070.03512.68
5.3.180.0060.03612.67
5.3.170.0050.03712.67
5.3.160.0070.04012.67
5.3.150.0080.04512.67
5.3.140.0080.03412.66
5.3.130.0060.04012.66
5.3.120.0090.03612.65
5.3.110.0040.04112.65
5.3.100.0070.04212.12
5.3.90.0060.03812.08
5.3.80.0060.03512.07
5.3.70.0060.03512.07
5.3.60.0030.03812.07
5.3.50.0070.03912.00
5.3.40.0040.04012.00
5.3.30.0080.03111.95
5.3.20.0040.03611.73
5.3.10.0060.03811.70
5.3.00.0050.04211.68
5.2.170.0030.0319.18
5.2.160.0050.0289.18
5.2.150.0070.0299.18
5.2.140.0040.0309.18
5.2.130.0040.0299.14
5.2.120.0060.0309.14
5.2.110.0080.0339.15
5.2.100.0080.0339.14
5.2.90.0090.0249.14
5.2.80.0030.0319.14
5.2.70.0090.0339.14
5.2.60.0060.0289.09
5.2.50.0040.0309.05
5.2.40.0070.0259.04
5.2.30.0010.0329.02
5.2.20.0050.0279.00
5.2.10.0030.0298.92
5.2.00.0080.0258.79
5.1.60.0060.0258.07
5.1.50.0080.0208.06
5.1.40.0050.0238.04
5.1.30.0030.0278.39
5.1.20.0010.0298.42
5.1.10.0080.0218.14
5.1.00.0050.0248.14
5.0.50.0030.0216.62
5.0.40.0030.0196.48
5.0.30.0010.0336.29
5.0.20.0020.0206.27
5.0.10.0030.0206.24
5.0.00.0020.0326.23
4.4.90.0020.0164.78
4.4.80.0040.0134.76
4.4.70.0040.0144.75
4.4.60.0050.0134.76
4.4.50.0020.0164.77
4.4.40.0030.0244.71
4.4.30.0040.0134.76
4.4.20.0020.0164.84
4.4.10.0020.0164.85
4.4.00.0000.0274.76
4.3.110.0020.0164.67
4.3.100.0030.0144.66
4.3.90.0020.0154.64
4.3.80.0030.0244.58
4.3.70.0030.0144.63
4.3.60.0020.0154.63
4.3.50.0040.0144.63
4.3.40.0030.0244.54
4.3.30.0030.0203.28
4.3.20.0020.0163.26
4.3.10.0010.0173.22
4.3.00.0030.01715.63

preferences:
142.09 ms | 1398 KiB | 7 Q